/* ============================================================
   海象翻译 — 全局样式表
   Walrus Translation — Global Stylesheet
============================================================ */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --bg:            #040d1a;
  --surface:       #0b1929;
  --surface-2:     #0f2236;
  --border:        rgba(255,255,255,0.08);
  --border-light:  rgba(255,255,255,0.14);
  --primary:       #4ecdc4;
  --primary-dim:   rgba(78,205,196,0.15);
  --primary-glow:  rgba(78,205,196,0.35);
  --secondary:     #ffe66d;
  --accent:        #ff6b6b;
  --text:          #e8f4f8;
  --text-muted:    #7a9bb0;
  --text-dim:      #4a6880;
  --radius-sm:     8px;
  --radius-md:     16px;
  --radius-lg:     24px;
  --radius-xl:     32px;
  --shadow-card:   0 4px 32px rgba(0,0,0,0.4);
  --transition:    all 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}
::selection { background: var(--primary); color: var(--bg); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Background ─────────────────────────────────────────────── */
.bg-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('/hx1.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.45;
  z-index: -1;
  pointer-events: none;
}
.bg-ambient {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.bg-ambient::before {
  content: ''; position: absolute; top: -30%; left: -20%; width: 70%; height: 70%;
  background: radial-gradient(ellipse, rgba(78,205,196,0.06) 0%, transparent 70%);
  animation: ambientFloat 18s ease-in-out infinite alternate;
}
.bg-ambient::after {
  content: ''; position: absolute; bottom: -20%; right: -10%; width: 60%; height: 60%;
  background: radial-gradient(ellipse, rgba(255,230,109,0.05) 0%, transparent 70%);
  animation: ambientFloat 24s ease-in-out infinite alternate-reverse;
}
.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
}
@keyframes ambientFloat {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(5%,8%) scale(1.1); }
  100% { transform: translate(-5%,3%) scale(0.95); }
}

/* ── Utility ────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.section { padding: 100px 0; position: relative; z-index: 1; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Outfit', sans-serif; font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--primary); margin-bottom: 16px;
}
.section-label::before { content: ''; width: 24px; height: 2px; background: var(--primary); border-radius: 1px; }
.section-title { font-family: 'Noto Serif SC', serif; font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: var(--text); line-height: 1.25; margin-bottom: 16px; }
.section-desc { font-size: 1.0625rem; color: var(--text-muted); max-width: 560px; line-height: 1.8; }

.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-sm);
  font-size: 1rem; font-weight: 600; font-family: 'Noto Sans SC', sans-serif;
  transition: var(--transition); position: relative; overflow: hidden;
}
.btn::after { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.1); opacity: 0; transition: opacity 0.2s; }
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(0.97); }

.btn-primary { background: linear-gradient(135deg, #3dbfb3, #5fd9cf); color: #fff; box-shadow: 0 4px 24px rgba(78,205,196,0.3); }
.btn-primary:hover { box-shadow: 0 8px 40px rgba(78,205,196,0.5); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-dim); }
.btn-lg { padding: 18px 40px; font-size: 1.0625rem; border-radius: var(--radius-md); }
.btn-sm { padding: 8px 18px; font-size: 0.875rem; }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 20px 0; transition: var(--transition);
}
.navbar.scrolled { background: rgba(4,13,26,0.88); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); padding: 12px 0; }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-family: 'Outfit', sans-serif; font-size: 1.375rem; font-weight: 800; color: var(--text); }
.nav-links { display: flex; align-items: center; gap: 8px; list-style: none; }
.nav-links a { padding: 8px 16px; font-size: 0.9375rem; color: var(--text-muted); border-radius: var(--radius-sm); transition: var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-links a.active { color: var(--primary); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; border: none; }
.nav-hamburger span { width: 24px; height: 2px; background: var(--text); border-radius: 1px; transition: var(--transition); display: block; }
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu { display: none; position: fixed; inset: 0; z-index: 99; background: rgba(4,13,26,0.97); backdrop-filter: blur(20px); flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1.5rem; font-family: 'Noto Serif SC', serif; font-weight: 700; color: var(--text-muted); padding: 14px 32px; border-radius: var(--radius-sm); transition: var(--transition); display: block; text-align: center; }
.mobile-menu a:hover { color: var(--primary); background: var(--primary-dim); }

/* ── Footer ────────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); padding: 60px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.8; max-width: 280px; }
.footer-social { display: flex; gap: 12px; margin-top: 24px; }
.footer-social a { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-muted); transition: var(--transition); font-size: 0.875rem; }
.footer-social a:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-dim); }
.footer-col h4 { font-family: 'Outfit', sans-serif; font-size: 0.875rem; font-weight: 600; color: var(--text); margin-bottom: 20px; letter-spacing: 0.05em; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col ul a { font-size: 0.875rem; color: var(--text-muted); transition: var(--transition); }
.footer-col ul a:hover { color: var(--primary); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 32px; border-top: 1px solid var(--border); font-size: 0.8125rem; color: var(--text-dim); }

/* ── Cursor glow ────────────────────────────────────────────── */
.cursor-glow { position: fixed; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(78,205,196,0.06), transparent 70%); pointer-events: none; z-index: 0; transform: translate(-50%,-50%); transition: opacity 0.3s; }

/* ── Hero ───────────────────────────────────────────────────── */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: 80px; position: relative; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 60px 0; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px 6px 8px; background: var(--primary-dim); border: 1px solid rgba(78,205,196,0.2); border-radius: 100px; font-size: 0.8125rem; font-weight: 500; color: var(--primary); margin-bottom: 28px; }
.hero-badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(0.8)} }
.hero-title { font-family: 'Noto Serif SC', serif; font-size: clamp(2.5rem, 5.5vw, 4rem); font-weight: 900; line-height: 1.15; color: var(--text); margin-bottom: 24px; }
.hero-title .highlight { background: linear-gradient(135deg, var(--primary), #7ef5ed); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.125rem; color: var(--text-muted); line-height: 1.85; margin-bottom: 40px; max-width: 480px; }
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--border); }
.hero-stat-num { font-family: 'Outfit', sans-serif; font-size: 2rem; font-weight: 800; color: var(--primary); line-height: 1; }
.hero-stat-label { font-size: 0.8125rem; color: var(--text-muted); margin-top: 4px; }
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-art { position: relative; width: 100%; max-width: 520px; }
.iceberg-card { background: linear-gradient(145deg, rgba(11,25,41,0.9), rgba(15,34,54,0.8)); border: 1px solid var(--border-light); border-radius: var(--radius-xl); padding: 40px; backdrop-filter: blur(12px); box-shadow: var(--shadow-card), 0 0 60px rgba(78,205,196,0.08); position: relative; overflow: hidden; }
.iceberg-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(78,205,196,0.4), transparent); }
.trans-demo { margin-bottom: 32px; }
.trans-demo-lang { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.trans-lang-tag { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; background: var(--primary-dim); border-radius: 100px; font-size: 0.75rem; font-weight: 600; color: var(--primary); font-family: 'Outfit', sans-serif; }
.trans-arrow { color: var(--text-dim); }
.trans-input, .trans-output { padding: 14px 16px; border-radius: var(--radius-sm); font-size: 0.9375rem; line-height: 1.7; }
.trans-input { background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--text); margin-bottom: 8px; }
.trans-output { background: rgba(78,205,196,0.06); border: 1px solid rgba(78,205,196,0.15); color: var(--primary); display: flex; align-items: center; gap: 8px; }
.trans-output::before { content: '🐋'; font-size: 1rem; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 100px; font-size: 0.8125rem; color: var(--text-muted); transition: var(--transition); }
.hero-pill:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-dim); }
.hero-pill-icon { font-size: 0.875rem; }
.hero-bubble { position: absolute; border-radius: 50%; animation: floatBubble 6s ease-in-out infinite; }
.hero-bubble-1 { width: 60px; height: 60px; background: radial-gradient(circle at 30% 30%, rgba(78,205,196,0.15), transparent); border: 1px solid rgba(78,205,196,0.2); top: -20px; right: -10px; }
.hero-bubble-2 { width: 36px; height: 36px; background: radial-gradient(circle at 30% 30%, rgba(255,230,109,0.1), transparent); border: 1px solid rgba(255,230,109,0.15); bottom: 40px; left: -16px; animation-delay: 2s; }
.hero-bubble-3 { width: 20px; height: 20px; background: rgba(78,205,196,0.2); top: 50%; right: -8px; animation-delay: 4s; }
@keyframes floatBubble { 0%,100%{transform:translateY(0) rotate(0deg)} 50%{transform:translateY(-15px) rotate(5deg)} }
.hero-waves { position: absolute; bottom: 0; left: 0; right: 0; height: 120px; overflow: hidden; }
.wave { position: absolute; bottom: 0; left: -50%; width: 200%; height: 100%; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%234ecdc4' fill-opacity='0.04' d='M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") repeat-x; background-size: 50% 100%; animation: waveMove 20s linear infinite; }
.wave:nth-child(2) { bottom: -10px; opacity: 0.6; animation: waveMove 14s linear infinite reverse; }
@keyframes waveMove { 0%{transform:translateX(0)} 100%{transform:translateX(50%)} }

/* ── Features ──────────────────────────────────────────────── */
.features { background: linear-gradient(180deg, transparent, rgba(11,25,41,0.5), transparent); }
.features-header { text-align: center; margin-bottom: 64px; }
.features-header .section-desc { margin: 0 auto; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { background: linear-gradient(145deg, rgba(11,25,41,0.8), rgba(15,34,54,0.5)); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 28px; transition: var(--transition); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--primary), transparent); opacity: 0; transition: opacity 0.3s; }
.feature-card:hover { transform: translateY(-8px); border-color: rgba(78,205,196,0.2); box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 30px rgba(78,205,196,0.08); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { width: 52px; height: 52px; background: var(--primary-dim); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 20px; transition: var(--transition); }
.feature-card:hover .feature-icon { background: var(--primary); box-shadow: 0 0 24px rgba(78,205,196,0.4); }
.feature-card:hover .feature-icon-emoji { filter: brightness(0) invert(1); }
.feature-title { font-family: 'Noto Serif SC', serif; font-size: 1.125rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.feature-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.75; }
.feature-tag { display: inline-block; margin-top: 16px; padding: 4px 12px; background: rgba(78,205,196,0.08); border-radius: 100px; font-size: 0.75rem; font-weight: 600; color: var(--primary); font-family: 'Outfit', sans-serif; }

/* ── Scenes ────────────────────────────────────────────────── */
.scenes-grid { display: flex; flex-direction: column; gap: 80px; margin-top: 64px; }
.scene-item { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.scene-item:nth-child(even) .scene-visual { order: 2; }
.scene-item:nth-child(even) .scene-text { order: 1; }
.scene-card { border-radius: var(--radius-xl); overflow: hidden; aspect-ratio: 4/3; position: relative; }
.scene-card-inner { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; font-size: 4rem; }
.scene-card-label { font-size: 1rem; color: rgba(255,255,255,0.6); font-family: 'Outfit', sans-serif; font-weight: 600; letter-spacing: 0.1em; }
.scene-card-1 { background: linear-gradient(135deg, #0f2027, #203a43, #2c5364); }
.scene-card-2 { background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); }
.scene-card-3 { background: linear-gradient(135deg, #0d2137, #1b4d3e, #2e8b57); }
.scene-card::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 40%; background: linear-gradient(to top, rgba(4,13,26,0.5), transparent); }
.scene-card-float { position: absolute; bottom: 16px; left: 16px; z-index: 2; display: flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(4,13,26,0.7); backdrop-filter: blur(8px); border: 1px solid var(--border-light); border-radius: 100px; font-size: 0.8125rem; color: var(--text); }
.scene-card-float-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); animation: pulse 2s ease-in-out infinite; }
.scene-eyebrow { font-family: 'Outfit', sans-serif; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--primary); margin-bottom: 12px; }
.scene-title { font-family: 'Noto Serif SC', serif; font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 900; color: var(--text); margin-bottom: 16px; line-height: 1.25; }
.scene-desc { font-size: 1rem; color: var(--text-muted); line-height: 1.85; margin-bottom: 28px; }
.scene-features { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.scene-features li { display: flex; align-items: center; gap: 10px; font-size: 0.9375rem; color: var(--text-muted); }
.scene-features li::before { content: ''; width: 20px; height: 20px; min-width: 20px; background: var(--primary-dim); border-radius: 50%; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234ecdc4' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; }

/* ── Stats ─────────────────────────────────────────────────── */
.stats { background: linear-gradient(135deg, rgba(11,25,41,0.9), rgba(15,34,54,0.7)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.stats::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 50%, rgba(78,205,196,0.04), transparent 70%); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; position: relative; }
.stat-item { padding: 24px; position: relative; }
.stat-item::after { content: ''; position: absolute; right: 0; top: 20%; height: 60%; width: 1px; background: var(--border); }
.stat-item:last-child::after { display: none; }
.stat-icon { font-size: 2rem; margin-bottom: 16px; }
.stat-num { font-family: 'Outfit', sans-serif; font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 800; background: linear-gradient(135deg, var(--primary), #7ef5ed); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 1rem; color: var(--text-muted); font-weight: 500; }
.stat-desc { font-size: 0.8125rem; color: var(--text-dim); margin-top: 6px; }

/* ── Testimonials ──────────────────────────────────────────── */
.testimonials-header { text-align: center; margin-bottom: 64px; }
.testimonials-header .section-desc { margin: 0 auto; }
.testimonials-track { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: linear-gradient(145deg, rgba(11,25,41,0.8), rgba(15,34,54,0.4)); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; transition: var(--transition); }
.testimonial-card:hover { border-color: rgba(78,205,196,0.2); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.3); }
.testimonial-stars { display: flex; gap: 3px; margin-bottom: 20px; }
.testimonial-stars span { color: var(--secondary); font-size: 1rem; }
.testimonial-text { font-size: 0.9375rem; color: var(--text-muted); line-height: 1.85; margin-bottom: 24px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; font-weight: 700; font-family: 'Outfit', sans-serif; flex-shrink: 0; }
.testimonial-avatar-1 { background: linear-gradient(135deg, #4ecdc4, #2a9d8f); }
.testimonial-avatar-2 { background: linear-gradient(135deg, #ffe66d, #f4a261); }
.testimonial-avatar-3 { background: linear-gradient(135deg, #a29bfe, #6c5ce7); }
.testimonial-name { font-size: 0.9375rem; font-weight: 600; color: var(--text); }
.testimonial-role { font-size: 0.8125rem; color: var(--text-dim); }

/* ── CTA ───────────────────────────────────────────────────── */
.cta-section { text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(78,205,196,0.06), transparent 70%); }
.cta-inner { position: relative; padding: 80px 40px; background: linear-gradient(145deg, rgba(11,25,41,0.9), rgba(15,34,54,0.6)); border: 1px solid var(--border-light); border-radius: var(--radius-xl); overflow: hidden; }
.cta-inner::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent); }
.cta-title { font-family: 'Noto Serif SC', serif; font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: var(--text); margin-bottom: 16px; }
.cta-desc { font-size: 1.0625rem; color: var(--text-muted); margin-bottom: 40px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.platform-tags { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.platform-tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 100px; font-size: 0.8125rem; color: var(--text-muted); transition: var(--transition); }
.platform-tag:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-dim); }

/* ── Articles preview (homepage) ───────────────────────────── */
.articles-preview { background: linear-gradient(180deg, rgba(11,25,41,0.5), transparent); }
.articles-preview .features-header { text-align: center; margin-bottom: 48px; }
.articles-preview .section-desc { margin: 0 auto; }

/* ── Articles grid ──────────────────────────────────────────── */
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 64px; }
.article-card { background: linear-gradient(145deg, rgba(11,25,41,0.8), rgba(15,34,54,0.5)); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; }
.article-card:hover { transform: translateY(-6px); border-color: rgba(78,205,196,0.2); box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.article-card-cover { aspect-ratio: 16/9; overflow: hidden; position: relative; background: linear-gradient(135deg, #0f2027, #203a43); }
.article-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.article-card:hover .article-card-cover img { transform: scale(1.05); }
.article-card-cover-placeholder { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 3rem; gap: 8px; }
.article-card-cover-placeholder-label { font-size: 0.75rem; color: rgba(255,255,255,0.4); font-family: 'Outfit', sans-serif; letter-spacing: 0.1em; }
.article-card-cover-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(4,13,26,0.4), transparent); }
.article-card-category { position: absolute; top: 12px; left: 12px; padding: 4px 10px; background: rgba(4,13,26,0.8); border: 1px solid var(--border-light); border-radius: 100px; font-size: 0.7rem; font-weight: 600; color: var(--primary); font-family: 'Outfit', sans-serif; backdrop-filter: blur(8px); }
.article-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.article-card-title { font-family: 'Noto Serif SC', serif; font-size: 1.125rem; font-weight: 700; color: var(--text); margin-bottom: 10px; line-height: 1.4; transition: color 0.2s; }
.article-card:hover .article-card-title { color: var(--primary); }
.article-card-summary { font-size: 0.875rem; color: var(--text-muted); line-height: 1.7; flex: 1; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.article-card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-dim); flex-wrap: wrap; }
.article-card-meta-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-dim); }

/* ── Articles page ─────────────────────────────────────────── */
.articles-hero { padding: 140px 0 60px; text-align: center; }
.articles-hero-title { font-family: 'Noto Serif SC', serif; font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 900; color: var(--text); margin-bottom: 16px; }
.articles-hero-desc { font-size: 1.125rem; color: var(--text-muted); max-width: 560px; margin: 0 auto 48px; line-height: 1.8; }
.articles-filters { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-btn { padding: 8px 20px; border-radius: 100px; font-size: 0.875rem; font-weight: 500; color: var(--text-muted); background: rgba(255,255,255,0.04); border: 1px solid var(--border); cursor: pointer; transition: var(--transition); }
.filter-btn:hover, .filter-btn.active { background: var(--primary-dim); border-color: var(--primary); color: var(--primary); }
.articles-search { display: flex; justify-content: center; margin-bottom: 48px; }
.search-wrap { position: relative; width: 100%; max-width: 480px; }
.search-wrap input { width: 100%; padding: 12px 16px 12px 44px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: var(--radius-md); color: var(--text); font-size: 0.9375rem; transition: var(--transition); }
.search-wrap input:focus { outline: none; border-color: var(--primary); background: rgba(78,205,196,0.04); }
.search-wrap input::placeholder { color: var(--text-dim); }
.search-wrap::before { content: '🔍'; position: absolute; left: 14px; top: 50%; transform: translateY(-50%); font-size: 0.875rem; }
.articles-empty { text-align: center; padding: 80px 20px; color: var(--text-muted); font-size: 1.0625rem; }
.articles-empty-icon { font-size: 4rem; margin-bottom: 16px; opacity: 0.4; }
.articles-pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 48px; }
.page-btn { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); font-size: 0.9rem; font-weight: 600; color: var(--text-muted); background: rgba(255,255,255,0.04); border: 1px solid var(--border); cursor: pointer; transition: var(--transition); }
.page-btn:hover, .page-btn.active { background: var(--primary-dim); border-color: var(--primary); color: var(--primary); }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ── Article detail ────────────────────────────────────────── */
.article-detail-hero { padding: 140px 0 60px; }
.article-detail-hero-inner { max-width: 760px; margin: 0 auto; }
.article-back { display: inline-flex; align-items: center; gap: 8px; font-size: 0.875rem; color: var(--text-muted); margin-bottom: 32px; transition: var(--transition); }
.article-back:hover { color: var(--primary); }
.article-detail-category { display: inline-flex; padding: 4px 14px; background: var(--primary-dim); border: 1px solid rgba(78,205,196,0.2); border-radius: 100px; font-size: 0.75rem; font-weight: 600; color: var(--primary); font-family: 'Outfit', sans-serif; margin-bottom: 20px; }
.article-detail-title { font-family: 'Noto Serif SC', serif; font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 900; color: var(--text); line-height: 1.2; margin-bottom: 20px; }
.article-detail-meta { display: flex; align-items: center; gap: 16px; font-size: 0.875rem; color: var(--text-dim); flex-wrap: wrap; }
.article-detail-meta-sep { width: 4px; height: 4px; border-radius: 50%; background: var(--text-dim); }
.article-detail-cover { max-width: 900px; margin: 40px auto 0; border-radius: var(--radius-xl); overflow: hidden; aspect-ratio: 16/9; background: linear-gradient(135deg, #0f2027, #203a43); }
.article-detail-cover img { width: 100%; height: 100%; object-fit: cover; }
.article-detail-cover-placeholder { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 5rem; }
.article-detail-body { max-width: 760px; margin: 0 auto; padding: 48px 24px 80px; }

/* Markdown content */
.article-content { font-size: 1.0625rem; line-height: 1.9; color: var(--text-muted); }
.article-content h1,.article-content h2,.article-content h3,.article-content h4,.article-content h5,.article-content h6 { font-family: 'Noto Serif SC', serif; color: var(--text); margin: 2em 0 0.75em; line-height: 1.3; }
.article-content h1 { font-size: 2rem; }
.article-content h2 { font-size: 1.625rem; }
.article-content h3 { font-size: 1.375rem; }
.article-content p { margin-bottom: 1.25em; }
.article-content a { color: var(--primary); border-bottom: 1px solid rgba(78,205,196,0.3); }
.article-content a:hover { border-color: var(--primary); }
.article-content strong { color: var(--text); font-weight: 700; }
.article-content em { font-style: italic; }
.article-content ul,.article-content ol { margin: 1em 0 1.25em 1.5em; }
.article-content li { margin-bottom: 0.5em; }
.article-content blockquote { margin: 1.5em 0; padding: 16px 24px; border-left: 3px solid var(--primary); background: rgba(78,205,196,0.04); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.article-content blockquote p { margin-bottom: 0; }
.article-content code { font-family: 'Consolas','Monaco',monospace; font-size: 0.875em; background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 4px; color: var(--secondary); }
.article-content pre { background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px 24px; overflow-x: auto; margin: 1.5em 0; }
.article-content pre code { background: none; padding: 0; font-size: 0.875rem; color: var(--text-muted); }
.article-content img { max-width: 100%; border-radius: var(--radius-md); margin: 1.5em 0; border: 1px solid var(--border); }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.article-content th,.article-content td { padding: 10px 16px; border: 1px solid var(--border); text-align: left; }
.article-content th { background: rgba(78,205,196,0.06); color: var(--text); font-weight: 600; }
.article-content hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }

/* Related articles */
.related-section { border-top: 1px solid var(--border); padding: 64px 0; background: linear-gradient(180deg, rgba(11,25,41,0.5), transparent); }
.related-title { font-family: 'Noto Serif SC', serif; font-size: 1.5rem; font-weight: 700; color: var(--text); margin-bottom: 32px; text-align: center; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card { background: linear-gradient(145deg, rgba(11,25,41,0.8), rgba(15,34,54,0.5)); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px; transition: var(--transition); display: flex; flex-direction: column; gap: 10px; }
.related-card:hover { transform: translateY(-4px); border-color: rgba(78,205,196,0.2); }
.related-card-title { font-family: 'Noto Serif SC', serif; font-size: 0.9375rem; font-weight: 700; color: var(--text); line-height: 1.4; }
.related-card:hover .related-card-title { color: var(--primary); }
.related-card-date { font-size: 0.8rem; color: var(--text-dim); }

/* ── Admin layout ──────────────────────────────────────────── */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar { width: 240px; background: rgba(4,13,26,0.95); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 50; backdrop-filter: blur(16px); }
.admin-sidebar-logo { display: flex; align-items: center; gap: 10px; padding: 20px 24px; font-family: 'Outfit', sans-serif; font-size: 1.125rem; font-weight: 800; color: var(--text); border-bottom: 1px solid var(--border); }
.admin-sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.admin-nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.9rem; color: var(--text-muted); transition: var(--transition); }
.admin-nav-item:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.admin-nav-item.active { background: var(--primary-dim); color: var(--primary); border: 1px solid rgba(78,205,196,0.2); }
.admin-nav-item-icon { font-size: 1rem; width: 20px; text-align: center; }
.admin-sidebar-footer { padding: 16px 24px; border-top: 1px solid var(--border); }
.admin-sidebar-footer a { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; color: var(--text-dim); transition: var(--transition); }
.admin-sidebar-footer a:hover { color: var(--accent); }
.admin-main { flex: 1; margin-left: 240px; min-height: 100vh; background: var(--bg); }
.admin-header { position: sticky; top: 0; background: rgba(4,13,26,0.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); padding: 16px 32px; display: flex; align-items: center; justify-content: space-between; z-index: 40; }
.admin-header-title { font-family: 'Noto Serif SC', serif; font-size: 1.25rem; font-weight: 700; color: var(--text); }
.admin-header-actions { display: flex; align-items: center; gap: 12px; }
.admin-content { padding: 32px; }

/* Admin dashboard */
.dashboard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 40px; }
.dashboard-stat { background: linear-gradient(145deg, rgba(11,25,41,0.9), rgba(15,34,54,0.7)); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; }
.dashboard-stat-icon { font-size: 1.75rem; margin-bottom: 12px; }
.dashboard-stat-num { font-family: 'Outfit', sans-serif; font-size: 2rem; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 6px; }
.dashboard-stat-label { font-size: 0.875rem; color: var(--text-muted); }
.dashboard-chart-placeholder { background: linear-gradient(145deg, rgba(11,25,41,0.9), rgba(15,34,54,0.7)); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 32px; text-align: center; color: var(--text-dim); font-size: 0.9rem; }

/* Admin article list */
.admin-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }
.admin-toolbar select,.admin-toolbar input { padding: 8px 14px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-size: 0.875rem; }
.admin-toolbar select:focus,.admin-toolbar input:focus { outline: none; border-color: var(--primary); }
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th,.admin-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.875rem; }
.admin-table th { background: rgba(255,255,255,0.02); color: var(--text-muted); font-weight: 600; font-family: 'Outfit', sans-serif; white-space: nowrap; }
.admin-table td { color: var(--text-muted); }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }
.article-title-cell { color: var(--text) !important; font-weight: 500; }
.status-badge { display: inline-flex; padding: 2px 10px; border-radius: 100px; font-size: 0.75rem; font-weight: 600; font-family: 'Outfit', sans-serif; }
.status-published { background: rgba(78,205,196,0.12); color: var(--primary); }
.status-draft { background: rgba(255,107,107,0.12); color: var(--accent); }
.action-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.action-btn { padding: 4px 10px; border-radius: 4px; font-size: 0.8rem; cursor: pointer; border: 1px solid var(--border); background: transparent; color: var(--text-muted); transition: var(--transition); }
.action-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-dim); }
.action-btn.delete:hover { border-color: var(--accent); color: var(--accent); background: rgba(255,107,107,0.08); }

/* Admin editor */
.editor-layout { display: grid; grid-template-columns: 1fr 1fr; height: calc(100vh - 130px); overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-md); }
.editor-pane { display: flex; flex-direction: column; overflow: hidden; }
.editor-pane:first-child { border-right: 1px solid var(--border); border-radius: var(--radius-md) 0 0 var(--radius-md); }
.editor-pane:last-child { border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.editor-pane-header { padding: 10px 16px; border-bottom: 1px solid var(--border); font-size: 0.8rem; color: var(--text-dim); font-family: 'Outfit', sans-serif; background: rgba(255,255,255,0.02); display: flex; align-items: center; justify-content: space-between; }
.editor-toolbar { display: flex; align-items: center; gap: 3px; padding: 8px 12px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.editor-toolbar-btn { min-width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; border-radius: 4px; font-size: 0.875rem; cursor: pointer; border: none; background: transparent; color: var(--text-muted); transition: all 0.2s; }
.editor-toolbar-btn:hover { background: var(--primary-dim); color: var(--primary); }
.editor-toolbar-sep { width: 1px; height: 18px; background: var(--border); margin: 0 4px; }
.editor-textarea { flex: 1; padding: 20px; background: transparent; border: none; color: var(--text); font-family: 'Consolas','Monaco',monospace; font-size: 0.9rem; line-height: 1.8; resize: none; outline: none; }
.editor-preview { flex: 1; padding: 20px; overflow-y: auto; }
.autosave-indicator { font-size: 0.75rem; color: var(--text-dim); margin-left: auto; }
.autosave-indicator.saved { color: var(--primary); }

/* Admin form elements */
.admin-form { max-width: 900px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text); margin-bottom: 8px; font-family: 'Outfit', sans-serif; }
.form-input { width: 100%; padding: 10px 14px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-size: 0.9375rem; transition: var(--transition); box-sizing: border-box; }
.form-input:focus { outline: none; border-color: var(--primary); background: rgba(78,205,196,0.04); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 0.8rem; color: var(--text-dim); margin-top: 4px; }
.form-actions { display: flex; align-items: center; gap: 12px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.toggle-wrap { display: flex; align-items: center; gap: 10px; }
.toggle { width: 44px; height: 24px; background: rgba(255,255,255,0.08); border-radius: 12px; cursor: pointer; position: relative; transition: var(--transition); border: 1px solid var(--border); }
.toggle.on { background: var(--primary); border-color: var(--primary); }
.toggle::after { content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform 0.3s; }
.toggle.on::after { transform: translateX(20px); }
.toggle-label { font-size: 0.875rem; color: var(--text-muted); }
.tags-input-wrap { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 10px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: var(--radius-sm); min-height: 42px; transition: var(--transition); cursor: text; }
.tags-input-wrap:focus-within { border-color: var(--primary); background: rgba(78,205,196,0.04); }
.tag-chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; background: var(--primary-dim); border: 1px solid rgba(78,205,196,0.2); border-radius: 100px; font-size: 0.75rem; color: var(--primary); }
.tag-chip button { background: none; border: none; color: inherit; cursor: pointer; font-size: 0.75rem; padding: 0; line-height: 1; opacity: 0.7; }
.tag-chip button:hover { opacity: 1; }
.tags-input { flex: 1; min-width: 80px; background: none; border: none; color: var(--text); font-size: 0.875rem; outline: none; }
.image-upload-zone { border: 2px dashed var(--border); border-radius: var(--radius-md); padding: 32px; text-align: center; cursor: pointer; transition: var(--transition); position: relative; overflow: hidden; }
.image-upload-zone:hover,.image-upload-zone.dragover { border-color: var(--primary); background: var(--primary-dim); }
.image-upload-zone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.image-upload-icon { font-size: 2rem; margin-bottom: 8px; }
.image-upload-text { font-size: 0.875rem; color: var(--text-muted); }
.image-upload-hint { font-size: 0.8rem; color: var(--text-dim); margin-top: 4px; }
.cover-preview-img { max-width: 100%; max-height: 160px; border-radius: var(--radius-sm); margin-top: 12px; border: 1px solid var(--border); }
.upload-progress { margin-top: 8px; font-size: 0.8rem; color: var(--primary); }

/* Login page */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; }
.login-card { background: linear-gradient(145deg, rgba(11,25,41,0.95), rgba(15,34,54,0.8)); border: 1px solid var(--border-light); border-radius: var(--radius-xl); padding: 48px; width: 100%; max-width: 420px; backdrop-filter: blur(16px); box-shadow: 0 20px 60px rgba(0,0,0,0.5); position: relative; }
.login-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--primary), transparent); }
.login-logo { display: flex; align-items: center; gap: 10px; font-family: 'Outfit', sans-serif; font-size: 1.375rem; font-weight: 800; color: var(--text); margin-bottom: 32px; justify-content: center; }
.login-title { font-family: 'Noto Serif SC', serif; font-size: 1.5rem; font-weight: 700; color: var(--text); margin-bottom: 8px; text-align: center; }
.login-subtitle { font-size: 0.875rem; color: var(--text-muted); text-align: center; margin-bottom: 32px; }
.login-error { background: rgba(255,107,107,0.1); border: 1px solid rgba(255,107,107,0.3); border-radius: var(--radius-sm); padding: 10px 14px; color: var(--accent); font-size: 0.875rem; margin-bottom: 20px; }
.login-btn { width: 100%; padding: 12px; background: linear-gradient(135deg, #3dbfb3, #5fd9cf); color: #fff; border: none; border-radius: var(--radius-sm); font-size: 1rem; font-weight: 600; cursor: pointer; transition: var(--transition); }
.login-btn:hover { box-shadow: 0 4px 24px rgba(78,205,196,0.4); transform: translateY(-1px); }

/* Toast */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast { padding: 12px 20px; border-radius: var(--radius-sm); font-size: 0.875rem; font-weight: 500; display: flex; align-items: center; gap: 8px; box-shadow: 0 8px 32px rgba(0,0,0,0.4); animation: toastIn 0.3s ease forwards; pointer-events: all; max-width: 320px; }
.toast-success { background: rgba(78,205,196,0.15); border: 1px solid rgba(78,205,196,0.3); color: var(--primary); }
.toast-error { background: rgba(255,107,107,0.15); border: 1px solid rgba(255,107,107,0.3); color: var(--accent); }
@keyframes toastIn { from{opacity:0;transform:translateX(20px)} to{opacity:1;transform:translateX(0)} }

/* Error pages */
.error-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; position: relative; z-index: 1; }
.error-code { font-family: 'Outfit', sans-serif; font-size: 8rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; margin-bottom: 16px; }
.error-title { font-family: 'Noto Serif SC', serif; font-size: 2rem; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.error-desc { font-size: 1rem; color: var(--text-muted); margin-bottom: 32px; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2)::after { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .editor-layout { grid-template-columns: 1fr; height: auto; }
  .editor-pane:first-child { border-radius: var(--radius-md); border-bottom: none; border-right: none; }
  .editor-pane:last-child { border-radius: var(--radius-md); border-left: 1px solid var(--border); }
  .editor-pane { min-height: 400px; }
  .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-title { font-size: 2.25rem; }
  .hero-stats { gap: 24px; }
  .nav-links,.nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .scene-item { grid-template-columns: 1fr; gap: 40px; }
  .scene-item:nth-child(even) .scene-visual { order: 0; }
  .scene-item:nth-child(even) .scene-text { order: 1; }
  .testimonials-track { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .section { padding: 70px 0; }
  .articles-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
  .admin-main { margin-left: 0; }
  .dashboard-grid { grid-template-columns: 1fr 1fr; }
}