/* roulang page: index */
:root {
  --bg: #0A0E1A;
  --bg-2: #101626;
  --bg-3: #070B14;
  --glass: rgba(255, 255, 255, 0.055);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-border-hover: rgba(255, 255, 255, 0.22);
  --blue: #3D7BFF;
  --green: #00E5A0;
  --gold: #FFC64B;
  --text: #EAF0FA;
  --text-2: #8A9BB8;
  --text-3: #4A5872;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.24);
  --shadow-green: 0 0 24px rgba(0, 229, 160, 0.35);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Roboto Mono", monospace;
  --container: 1200px;
  --space: 80px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space) 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 1rem; border: none; cursor: pointer;
  transition: all 0.25s ease; line-height: 1;
}
.btn-primary { background: var(--green); color: #062118; box-shadow: var(--shadow-green); }
.btn-primary:hover { background: #22f0b1; transform: translateY(-2px); box-shadow: 0 0 32px rgba(0, 229, 160, 0.5); }
.btn-primary:active { transform: scale(0.98); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid rgba(255, 255, 255, 0.35); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.7); background: rgba(255, 255, 255, 0.06); }
.btn-block { width: 100%; display: flex; }
.btn-sm { min-height: 40px; padding: 0 20px; font-size: 0.9rem; }

/* Glass */
.glass {
  background: var(--glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Section head */
.section-head { max-width: 720px; margin-bottom: 42px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8rem; letter-spacing: 0.08em; color: var(--green);
  background: rgba(0, 229, 160, 0.08);
  border: 1px solid rgba(0, 229, 160, 0.25);
  padding: 4px 14px; border-radius: var(--radius-pill); margin-bottom: 16px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  font-weight: 700; line-height: 1.25; margin: 0 0 12px;
}
.section-head p { color: var(--text-2); font-size: 1rem; margin: 0; }

/* Header Nav */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 14, 26, 0.7);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-inner { display: flex; align-items: center; gap: 20px; height: 72px; }
.brand { display: flex; flex-direction: column; line-height: 1.15; margin-right: 8px; gap: 1px; flex-shrink: 0; }
.brand-name { font-weight: 800; font-size: 1.32rem; letter-spacing: 0.01em; }
.brand-sub { font-size: 0.62rem; letter-spacing: 0.38em; color: var(--text-2); }
.main-nav {
  display: flex; align-items: center; gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  padding: 5px; border-radius: var(--radius-pill);
  overflow-x: auto; scrollbar-width: none; flex: 1;
}
.main-nav::-webkit-scrollbar { display: none; }
.nav-chip {
  padding: 8px 20px; border-radius: var(--radius-pill);
  color: var(--text-2); font-size: 0.94rem; font-weight: 500;
  white-space: nowrap; transition: all 0.25s ease; flex-shrink: 0;
}
.nav-chip:hover { color: var(--text); background: rgba(255, 255, 255, 0.08); }
.nav-chip.active { background: #fff; color: #0A0E1A; font-weight: 600; }
.header-cta { flex-shrink: 0; }

/* Countdown strip */
.countdown-strip {
  background: linear-gradient(90deg, rgba(255, 198, 75, 0.14), rgba(255, 198, 75, 0.02));
  border-bottom: 1px solid rgba(255, 198, 75, 0.2);
}
.cd-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 0; flex-wrap: wrap; }
.cd-left { display: flex; align-items: center; gap: 10px; color: var(--text-2); font-size: 0.92rem; }
.cd-left i { color: var(--gold); }
.cd-right { display: flex; align-items: center; gap: 12px; }
.cd-label { font-size: 0.88rem; color: var(--text-2); }
.cd-timer { font-family: var(--font-num); font-weight: 600; font-size: 1.18rem; color: var(--gold); letter-spacing: 0.04em; text-shadow: 0 0 14px rgba(255, 198, 75, 0.3); min-width: 118px; text-align: right; }
.cd-progress { width: 100%; height: 3px; background: rgba(255, 255, 255, 0.08); border-radius: 999px; overflow: hidden; }
.cd-progress span { display: block; height: 100%; width: 68%; background: linear-gradient(90deg, var(--gold), var(--green)); border-radius: 999px; }

/* Hero */
.hero { position: relative; min-height: 80vh; display: flex; align-items: center; padding: 88px 0 72px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; }
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 25%, rgba(10, 14, 26, 0.4), rgba(10, 14, 26, 0.92) 72%), linear-gradient(180deg, rgba(10, 14, 26, 0.35), var(--bg) 96%);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.45fr 1fr; gap: 52px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(61, 123, 255, 0.12); border: 1px solid rgba(61, 123, 255, 0.3);
  color: #cfe0ff; padding: 5px 16px; border-radius: var(--radius-pill);
  font-size: 0.82rem; margin-bottom: 20px;
}
.hero-badge i { color: var(--blue); }
.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.15; margin: 0 0 18px;
}
.hero h1 .hl { position: relative; color: var(--green); }
.hero h1 .hl::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 6px; border-radius: 999px;
  background: linear-gradient(90deg, rgba(0, 229, 160, 0.5), transparent);
}
.hero-sub { font-size: 1.15rem; color: var(--text-2); max-width: 520px; margin: 0 0 30px; line-height: 1.6; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-num); font-size: 1.7rem; font-weight: 600; color: var(--text); }
.hero-stats span { font-size: 0.84rem; color: var(--text-2); }
.hero-card { padding: 28px; position: relative; overflow: hidden; }
.hero-card::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 160px; height: 160px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 160, 0.15), transparent 70%);
}
.hc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.hc-top span { font-size: 0.82rem; color: var(--text-2); }
.hc-top em { font-style: normal; font-size: 0.76rem; color: var(--green); background: rgba(0, 229, 160, 0.1); border: 1px solid rgba(0, 229, 160, 0.3); padding: 2px 10px; border-radius: var(--radius-pill); }
.hc-title { font-size: 1.22rem; font-weight: 700; margin-bottom: 18px; }
.hc-row { display: flex; align-items: center; gap: 10px; color: var(--text-2); font-size: 0.92rem; margin-bottom: 12px; }
.hc-row i { width: 18px; color: var(--gold); }
.hc-progress { margin-bottom: 20px; }
.hc-progress .hp-bar { height: 6px; background: rgba(255, 255, 255, 0.08); border-radius: 999px; overflow: hidden; position: relative; }
.hc-progress .hp-bar i { position: absolute; left: 0; top: 0; height: 100%; width: 62%; background: linear-gradient(90deg, var(--green), #3dffb0); border-radius: 999px; }
.hc-progress span { display: block; margin-top: 8px; font-size: 0.82rem; color: var(--text-2); }

/* Features */
.features { background: linear-gradient(180deg, var(--bg), rgba(16, 22, 38, 0.6)); }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-areas: "a b" "a c" "d d"; gap: 16px; }
.feature-card { position: relative; padding: 34px 28px; min-height: 200px; overflow: hidden; transition: all 0.3s ease; }
.feature-card:hover { transform: translateY(-4px); border-color: var(--glass-border-hover); }
.feature-card.fc-1 { grid-area: a; min-height: 420px; display: flex; flex-direction: column; justify-content: flex-end; }
.feature-card.fc-2 { grid-area: b; }
.feature-card.fc-3 { grid-area: c; }
.feature-card.fc-4 { grid-area: d; min-height: 180px; }
.fc-num {
  position: absolute; top: 12px; right: 18px;
  font-family: var(--font-num); font-size: 4.5rem; font-weight: 700;
  color: rgba(255, 255, 255, 0.07); line-height: 1;
}
.fc-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(0, 229, 160, 0.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--green); font-size: 1.1rem; margin-bottom: 18px;
}
.feature-card h3 { font-size: 1.2rem; font-weight: 600; margin: 0 0 10px; }
.feature-card p { color: var(--text-2); font-size: 0.94rem; margin: 0; line-height: 1.6; max-width: 460px; }

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-areas:
    "g1 g1 g2 g3"
    "g4 g5 g5 g6";
  gap: 16px;
}
.g-item { position: relative; height: 220px; border-radius: var(--radius); overflow: hidden; transition: transform 0.4s ease; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.g-item:hover img { transform: scale(1.03); }
.g-item figcaption {
  position: absolute; left: 14px; bottom: 12px;
  background: rgba(10, 14, 26, 0.6);
  backdrop-filter: blur(8px);
  border-left: 2px solid var(--green);
  color: var(--text); font-size: 0.84rem; padding: 6px 14px; border-radius: 4px 10px 10px 4px;
}
.g-1 { grid-area: g1; height: 100%; }
.g-2 { grid-area: g2; }
.g-3 { grid-area: g3; }
.g-4 { grid-area: g4; }
.g-5 { grid-area: g5; }
.g-6 { grid-area: g6; }

/* News list */
.news-section { background: var(--bg-2); }
.news-list { border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--radius); background: rgba(255, 255, 255, 0.025); padding: 6px 18px; }
.news-item { display: flex; align-items: center; gap: 20px; padding: 22px 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.06); transition: background 0.3s ease; border-radius: 8px; }
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: rgba(255, 255, 255, 0.04); }
.news-thumb { width: 88px; height: 88px; border-radius: var(--radius-sm); background-size: cover; background-position: center; flex-shrink: 0; }
.news-body { flex: 1; min-width: 0; }
.news-title { display: block; font-size: 1.08rem; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-summary { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: 6px; font-size: 0.9rem; color: var(--text-2); line-height: 1.55; }
.news-meta { display: flex; align-items: center; gap: 14px; margin-top: 10px; }
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 12px; border-radius: var(--radius-pill);
  font-size: 0.76rem; border: 1px solid rgba(61, 123, 255, 0.4);
  color: #9fc0ff; background: rgba(61, 123, 255, 0.08);
}
.news-date { font-size: 0.82rem; color: var(--text-2); }
.news-arrow { color: var(--text-3); font-size: 1.3rem; transition: transform 0.3s ease, color 0.3s; flex-shrink: 0; }
.news-item:hover .news-arrow { color: var(--green); transform: translateX(4px); }
.empty-state {
  padding: 52px 24px; text-align: center;
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--radius); color: var(--text-2);
}
.empty-state i { font-size: 2.2rem; color: var(--text-3); margin-bottom: 12px; display: inline-block; }
.empty-state p { margin: 0; font-size: 0.95rem; }

/* CTA */
.cta { position: relative; background: var(--bg-2); overflow: hidden; }
.cta::before {
  content: ''; position: absolute; width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 160, 0.14), transparent 70%);
  top: -260px; right: -160px; pointer-events: none;
}
.cta::after {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 100%;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px; pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.cta-info h2 { font-size: clamp(1.5rem, 2.6vw, 2.3rem); font-weight: 700; margin: 0 0 16px; line-height: 1.25; }
.cta-info p { color: var(--text-2); font-size: 1rem; margin: 0 0 24px; max-width: 440px; }
.cta-form { padding: 30px; border-radius: var(--radius); background: var(--glass); border: 1px solid var(--glass-border); backdrop-filter: blur(18px); box-shadow: var(--shadow); }
.cta-form input, .cta-form select {
  width: 100%; height: 48px; margin-bottom: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm); color: var(--text);
  padding: 0 16px; outline: none; transition: all 0.25s ease;
}
.cta-form select option { background: var(--bg-2); color: var(--text); }
.cta-form input::placeholder { color: var(--text-3); }
.cta-form input:focus, .cta-form select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-note { font-size: 0.8rem; color: var(--text-3); margin: 12px 0 0; text-align: center; }
.cta-features { display: flex; gap: 12px; flex-direction: column; }
.cta-features li { display: flex; align-items: center; gap: 10px; color: var(--text-2); font-size: 0.94rem; list-style: none; }
.cta-features li i { color: var(--green); width: 18px; }

/* FAQ */
.faq-list { max-width: 840px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--glass); border: 1px solid var(--glass-border); border-radius: var(--radius); backdrop-filter: blur(18px); overflow: hidden; transition: border-color 0.3s ease; }
.faq-item[open] { border-color: rgba(0, 229, 160, 0.45); }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; font-weight: 600; font-size: 1.04rem; color: var(--text);
  transition: background 0.25s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: rgba(255, 255, 255, 0.03); }
.faq-icon { position: relative; width: 22px; height: 22px; flex-shrink: 0; }
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute; background: var(--text-2); border-radius: 2px;
  transition: transform 0.3s ease, background 0.3s ease;
}
.faq-icon::before { width: 14px; height: 2px; top: 10px; left: 4px; }
.faq-icon::after { width: 2px; height: 14px; top: 4px; left: 10px; }
.faq-item[open] .faq-icon::after { transform: scaleY(0); }
.faq-item[open] .faq-icon::before { background: var(--green); }
.faq-answer { padding: 0 24px 22px; color: var(--text-2); border-top: 1px solid rgba(255, 255, 255, 0.08); padding-top: 16px; line-height: 1.7; }

/* Footer */
.footer { background: var(--bg-3); border-top: 1px solid rgba(255, 255, 255, 0.06); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.3fr; gap: 48px; padding: 56px 0 40px; }
.footer-brand .brand-name { font-size: 1.4rem; }
.footer-brand p { color: var(--text-2); font-size: 0.92rem; margin: 14px 0 0; max-width: 320px; line-height: 1.7; }
.footer h4 { font-size: 1rem; font-weight: 600; margin: 0 0 18px; }
.footer-links a { display: block; color: var(--text-2); margin-bottom: 10px; font-size: 0.94rem; transition: color 0.25s ease, padding-left 0.25s ease; }
.footer-links a:hover { color: var(--text); padding-left: 4px; }
.footer-contact p { display: flex; align-items: center; gap: 8px; color: var(--text-2); margin-bottom: 12px; font-size: 0.94rem; }
.footer-contact i { color: var(--green); width: 16px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 18px 0; text-align: center; color: var(--text-3); font-size: 0.85rem; }
.footer-bottom .separator { margin: 0 8px; opacity: 0.5; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero { min-height: auto; padding: 72px 0; }
  .hero-card { max-width: 560px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-template-areas: "g1 g1" "g2 g3" "g4 g4" "g5 g6"; }
  .g-1 { height: 220px; }
  .cta-inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  :root { --space: 56px; }
  .header-inner { height: 64px; gap: 12px; }
  .header-cta { display: none; }
  .brand-sub { display: none; }
  .feature-grid { grid-template-areas: "a b" "c d"; }
  .feature-card.fc-1 { min-height: 240px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .news-item { flex-wrap: wrap; }
  .news-thumb { width: 100%; height: 160px; }
  .news-arrow { display: none; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .feature-grid { grid-template-columns: 1fr; grid-template-areas: "a" "b" "c" "d"; }
  .feature-card.fc-1 { min-height: 220px; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .hero-stats strong { font-size: 1.4rem; }
  .cd-right { width: 100%; justify-content: space-between; }
  .cd-timer { font-size: 1rem; }
  .section-head { margin-bottom: 28px; }
  .btn { width: 100%; }
  .hero-actions .btn { width: 100%; }
  .gallery-grid { grid-template-areas: "g1 g1" "g2 g2" "g3 g3" "g4 g4" "g5 g5" "g6 g6"; }
  .g-item { height: 180px; }
  .g-5 { height: 180px; }
  .cta-form { padding: 20px; }
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root {
    --color-bg: #0A0E1A;
    --color-bg-secondary: #101626;
    --color-bg-footer: #070B14;
    --color-primary: #3D7BFF;
    --color-accent: #00E5A0;
    --color-gold: #FFC64B;
    --color-text: #EAF0FA;
    --color-text-secondary: #8A9BB8;
    --color-text-muted: #4A5872;
    --glass-bg: rgba(255,255,255,0.055);
    --glass-border: rgba(255,255,255,0.12);
    --radius-card: 14px;
    --radius-btn: 10px;
    --radius-chip: 999px;
    --shadow-card: 0 8px 24px rgba(0,0,0,0.24);
    --shadow-accent: 0 0 24px rgba(0,229,160,0.35);
    --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: "DIN Alternate", "Roboto Mono", monospace;
    --transition: all 0.3s ease;
}

/* ============ Reset ============ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

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

ul,
ol {
    list-style-position: inside;
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* ============ 容器 ============ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.container.narrow {
    max-width: 920px;
}

.row {
    max-width: 1200px;
    margin: 0 auto;
}

.columns {
    padding: 0 12px;
}

/* ============ 通用按钮 ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.2;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    min-height: 44px;
    text-align: center;
}

.btn-primary {
    background: var(--color-accent);
    color: #08131C;
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    background: #19F2B5;
    color: #08131C;
    box-shadow: 0 0 36px rgba(0, 229, 160, 0.5);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: scale(0.98);
    box-shadow: 0 0 16px rgba(0, 229, 160, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.7);
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.875rem;
    min-height: 36px;
}

.btn-block {
    width: 100%;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

/* ============ Header / Nav ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 26, 0.72);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 12px;
    padding-bottom: 12px;
    max-width: 1360px;
}

.brand {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    white-space: nowrap;
    flex-shrink: 0;
}

.brand-name {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: 0.5px;
}

.brand-sub {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.04);
    padding: 4px;
    border-radius: var(--radius-chip);
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow-x: auto;
    scrollbar-width: none;
}

.main-nav::-webkit-scrollbar {
    display: none;
}

.nav-chip {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: var(--radius-chip);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(234, 240, 250, 0.75);
    white-space: nowrap;
    transition: var(--transition);
}

.nav-chip:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.nav-chip.active {
    background: #fff;
    color: #0A0E1A;
    font-weight: 600;
}

.header-cta {
    flex-shrink: 0;
}

/* ============ 面包屑 ============ */
.breadcrumb-section {
    padding: 18px 0;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.breadcrumb a {
    color: var(--color-text-secondary);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.breadcrumb-sep {
    color: var(--color-text-muted);
}

.breadcrumb .current {
    color: var(--color-text);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 260px;
}

/* ============ 文章头部 ============ */
.article-header {
    padding: 48px 0 32px;
}

.article-title-wrap {
    max-width: 860px;
    margin: 0 auto;
    text-align: left;
}

.article-title-wrap h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.meta-item i {
    color: var(--color-gold);
    font-size: 0.9rem;
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-chip);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(61, 123, 255, 0.08);
}

.article-hero-image {
    border-radius: var(--radius-card);
    overflow: hidden;
    max-width: 920px;
    margin: 0 auto;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--glass-border);
}

.article-hero-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    min-height: 280px;
    background: var(--color-bg-secondary);
}

/* ============ 正文区 ============ */
.article-body-wrap {
    padding: 44px 0 32px;
}

.article-body {
    max-width: 760px;
    margin: 0 auto;
    font-size: 1.0625rem;
    line-height: 1.85;
    color: rgba(234, 240, 250, 0.92);
}

.article-body h2 {
    font-size: clamp(1.5rem, 2.4vw, 2rem);
    font-weight: 700;
    margin-top: 44px;
    margin-bottom: 18px;
    color: var(--color-text);
    line-height: 1.3;
    position: relative;
    padding-left: 18px;
}

.article-body h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.15em;
    width: 4px;
    height: 0.85em;
    border-radius: 4px;
    background: var(--color-accent);
    box-shadow: 0 0 12px rgba(0, 229, 160, 0.4);
}

.article-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 14px;
    color: var(--color-text);
}

.article-body p {
    margin-bottom: 20px;
}

.article-body a {
    color: var(--color-accent);
    border-bottom: 1px solid rgba(0, 229, 160, 0.3);
    padding-bottom: 1px;
}

.article-body a:hover {
    color: #fff;
    border-bottom-color: #fff;
}

.article-body blockquote {
    border-left: 4px solid var(--color-accent);
    background: rgba(255, 255, 255, 0.045);
    padding: 18px 22px;
    margin: 28px 0;
    border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
    color: var(--color-text-secondary);
    font-style: italic;
}

.article-body ul {
    margin: 20px 0;
    padding-left: 10px;
}

.article-body ul li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 10px;
    list-style: none;
}

.article-body ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0.7;
}

.article-body ol {
    margin: 20px 0;
    padding-left: 24px;
}

.article-body ol li {
    padding-left: 6px;
    margin-bottom: 10px;
}

.article-body img {
    border-radius: var(--radius-card);
    margin: 28px auto;
    box-shadow: var(--shadow-card);
}

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

.article-body hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 36px 0;
}

/* ============ 内容未找到 ============ */
.not-found {
    text-align: center;
    padding: 80px 20px;
    max-width: 600px;
    margin: 0 auto;
    border: 1px dashed var(--color-text-muted);
    border-radius: var(--radius-card);
    background: rgba(255, 255, 255, 0.02);
}

.not-found i {
    font-size: 3rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.not-found h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.not-found p {
    color: var(--color-text-secondary);
    margin-bottom: 28px;
}

/* ============ 文章底部 ============ */
.post-footer-section {
    padding: 32px 0 56px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.post-footer-inner {
    max-width: 760px;
    margin: 0 auto;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: var(--radius-chip);
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.tag:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(0, 229, 160, 0.08);
}

.post-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.post-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--radius-btn);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.post-nav-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(0, 229, 160, 0.07);
    transform: translateY(-2px);
}

.post-nav-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============ 相关推荐 ============ */
.related-section {
    padding: 56px 0 80px;
    background: var(--color-bg-secondary);
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
}

.section-head h2 {
    font-size: clamp(1.5rem, 2.4vw, 2.2rem);
    font-weight: 700;
    line-height: 1.25;
}

.section-head h2 span {
    color: var(--color-accent);
}

.section-more {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.section-more:hover {
    color: var(--color-accent);
    gap: 12px;
}

.related-grid {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -12px;
}

.related-card {
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.related-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.22);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.related-card .card-image {
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.related-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.related-card:hover .card-image img {
    transform: scale(1.04);
}

.related-card .card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-tag {
    display: inline-flex;
    align-self: flex-start;
    padding: 4px 12px;
    border-radius: var(--radius-chip);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    background: rgba(61, 123, 255, 0.08);
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 14px;
}

.related-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.45;
    color: var(--color-text);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 18px;
    flex: 1;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
}

.card-link:hover {
    color: #fff;
    gap: 12px;
}

/* ============ CTA 区块 ============ */
.cta-section {
    padding: 72px 0;
    background: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 50%, rgba(61, 123, 255, 0.15), transparent 60%);
    pointer-events: none;
}

.cta-wrap {
    display: flex;
    align-items: center;
    gap: 56px;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}

.cta-text {
    flex: 1;
    min-width: 280px;
}

.cta-text h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.cta-text p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    max-width: 440px;
}

.cta-form {
    flex: 1;
    min-width: 320px;
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-card);
    padding: 32px;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.form-group {
    margin-bottom: 16px;
}

.cta-form input,
.cta-form select {
    width: 100%;
    padding: 13px 16px;
    border-radius: var(--radius-btn);
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text);
    font-size: 0.9375rem;
    transition: var(--transition);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.cta-form input::placeholder {
    color: var(--color-text-muted);
}

.cta-form input:focus,
.cta-form select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15), 0 0 18px rgba(0, 229, 160, 0.12);
    background: rgba(255, 255, 255, 0.08);
}

.cta-form select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238A9BB8' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}

.cta-form option {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.cta-form .btn {
    margin-top: 4px;
}

/* ============ Footer ============ */
.footer {
    background: var(--color-bg-footer);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 56px;
}

.footer-grid {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    padding-bottom: 40px;
}

.footer-brand {
    flex: 1.4;
    min-width: 240px;
}

.footer-brand .brand {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 360px;
}

.footer-links {
    flex: 1;
    min-width: 150px;
}

.footer-contact {
    flex: 1;
    min-width: 200px;
}

.footer h4 {
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

.footer-links a {
    display: block;
    padding: 5px 0;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #fff;
    padding-left: 6px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-bottom: 10px;
}

.footer-contact p i {
    color: var(--color-accent);
    width: 18px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 22px 0;
}

.footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

.footer-bottom .separator {
    margin: 0 10px;
    color: var(--color-text-muted);
    opacity: 0.5;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
    .header-inner {
        gap: 12px;
    }
    .main-nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        margin-top: 8px;
    }
    .header-inner {
        flex-wrap: wrap;
    }
    .cta-wrap {
        gap: 32px;
    }
    .related-grid .columns {
        margin-bottom: 24px;
    }
}

@media (max-width: 640px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .header-inner {
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .brand-name {
        font-size: 1.3rem;
    }
    .brand-sub {
        font-size: 0.6rem;
        letter-spacing: 2px;
    }
    .header-cta .btn {
        padding: 8px 14px;
        font-size: 0.82rem;
    }
    .nav-chip {
        padding: 7px 14px;
        font-size: 0.82rem;
    }
    .article-header {
        padding: 32px 0 24px;
    }
    .article-title-wrap h1 {
        font-size: 1.75rem;
    }
    .article-meta {
        flex-wrap: wrap;
        gap: 10px;
    }
    .article-body {
        font-size: 1rem;
    }
    .article-body h2 {
        padding-left: 14px;
    }
    .post-nav {
        flex-direction: column;
        align-items: stretch;
    }
    .post-nav-btn {
        justify-content: center;
    }
    .related-section {
        padding: 44px 0 56px;
    }
    .cta-section {
        padding: 56px 0;
    }
    .cta-form {
        padding: 24px;
        min-width: 280px;
    }
    .footer-grid {
        gap: 32px;
    }
    .footer-bottom .container {
        justify-content: center;
        text-align: center;
    }
    .breadcrumb .current {
        max-width: 160px;
    }
}

@media (max-width: 520px) {
    .header-cta .btn span {
        display: none;
    }
    .header-cta .btn {
        width: 44px;
        height: 44px;
        padding: 0;
        font-size: 1rem;
        border-radius: 50%;
    }
    .related-grid .columns {
        width: 100%;
        padding: 0 8px;
        margin-bottom: 16px;
    }
    .related-grid {
        margin: 0 -8px;
    }
    .cta-wrap {
        flex-direction: column;
    }
    .cta-form {
        width: 100%;
    }
    .footer-bottom p {
        font-size: 0.75rem;
    }
}

/* roulang page: category1 */
:root {
  --bg-primary: #0A0E1A;
  --bg-secondary: #101626;
  --bg-footer: #070B14;
  --bg-card: rgba(255,255,255,0.055);
  --border-card: rgba(255,255,255,0.12);
  --accent-blue: #3D7BFF;
  --accent-green: #00E5A0;
  --accent-gold: #FFC64B;
  --text-primary: #EAF0FA;
  --text-secondary: #8A9BB8;
  --text-muted: #4A5872;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-chip: 999px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.24);
  --glow-green: 0 0 24px rgba(0,229,160,0.35);
  --container-width: 1200px;
  --section-space: 88px;
  --font-main: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num: "DIN Alternate","Roboto Mono",monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-blue); text-decoration: none; transition: color .3s ease; }
a:hover { color: var(--accent-green); text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }
input, select, textarea { font-family: inherit; }
h1, h2, h3, h4 { line-height: 1.25; color: var(--text-primary); }
h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 2.4vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: var(--section-space) 0; }
.section-head { margin-bottom: 44px; max-width: 680px; }
.section-head h2 { margin: 12px 0 10px; }
.section-head p { color: var(--text-secondary); font-size: 1rem; line-height: 1.6; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--radius-chip);
  border: 1px solid rgba(0,229,160,0.35);
  background: rgba(0,229,160,0.08);
  color: var(--accent-green);
  font-size: 0.8125rem;
  font-weight: 600;
}
.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all .3s ease;
  line-height: 1;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-green);
  color: #06281C;
  box-shadow: var(--glow-green);
}
.btn-primary:hover {
  background: #00F5AE;
  box-shadow: 0 0 32px rgba(0,229,160,0.5);
  color: #06281C;
  transform: translateY(-2px);
}
.btn-primary:active { transform: scale(0.98); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--text-primary);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  transform: translateY(-2px);
}
.btn-sm { height: 36px; padding: 0 16px; font-size: 0.8125rem; }
.btn-block { width: 100%; }

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.22);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,14,26,0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 72px;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.1;
  text-decoration: none;
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; }
.brand-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.brand-sub {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--accent-green);
  letter-spacing: 0.18em;
  margin-top: 3px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-chip);
  padding: 4px 6px;
}
.nav-chip {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 18px;
  border-radius: var(--radius-chip);
  color: rgba(234,240,250,0.75);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all .25s ease;
  white-space: nowrap;
}
.nav-chip:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
}
.nav-chip.active {
  background: #fff;
  color: #0A0E1A;
  font-weight: 600;
}
.header-cta { flex-shrink: 0; }

/* Breadcrumb */
.breadcrumb {
  padding: 18px 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent-green); }
.breadcrumb .sep { color: var(--text-muted); opacity: 0.6; }
.breadcrumb .current { color: var(--text-secondary); }

/* Hero */
.page-hero {
  position: relative;
  padding: 84px 0 90px;
  background-image: linear-gradient(120deg, rgba(10,14,26,0.88) 0%, rgba(10,14,26,0.65) 55%, rgba(16,22,38,0.55) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  top: -160px;
  right: -100px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(0,229,160,0.14) 0%, transparent 68%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 56px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 6px 16px;
  border-radius: var(--radius-chip);
  background: rgba(0,229,160,0.1);
  border: 1px solid rgba(0,229,160,0.3);
  color: var(--accent-green);
  font-size: 0.8125rem;
  font-weight: 600;
}
.hero-eyebrow i { font-size: 0.75rem; }
.page-hero h1 { margin-bottom: 16px; letter-spacing: 0.01em; }
.hero-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-card { padding: 28px; position: relative; }
.hero-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.hero-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0,229,160,0.12);
  border: 1px solid rgba(0,229,160,0.25);
  color: var(--accent-green);
  font-size: 1.1rem;
}
.hero-card-tag {
  padding: 4px 12px;
  border-radius: var(--radius-chip);
  background: rgba(255,198,75,0.1);
  border: 1px solid rgba(255,198,75,0.25);
  color: var(--accent-gold);
  font-size: 0.75rem;
  font-weight: 600;
}
.hero-card h3 { font-size: 1.2rem; margin-bottom: 14px; }
.hero-card-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}
.hero-card-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.4;
}
.hero-card-list .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-green { background: var(--accent-green); box-shadow: 0 0 8px rgba(0,229,160,0.6); }
.dot-gold { background: var(--accent-gold); box-shadow: 0 0 8px rgba(255,198,75,0.6); }
.dot-blue { background: var(--accent-blue); box-shadow: 0 0 8px rgba(61,123,255,0.6); }
.hero-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 16px;
}
.hero-card-footer span { color: var(--text-muted); font-size: 0.8125rem; }
.hero-card-footer strong { color: var(--accent-gold); font-family: var(--font-num); font-size: 0.9375rem; }

/* Stats */
.stats-section {
  padding: 64px 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  text-align: center;
  padding: 30px 20px 26px;
}
.stat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0,229,160,0.08);
  border: 1px solid rgba(0,229,160,0.2);
  color: var(--accent-green);
  font-size: 1.15rem;
}
.stat-number {
  display: block;
  font-family: var(--font-num);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}
.stat-number .plus { color: var(--accent-gold); }
.stat-label { color: var(--text-secondary); font-size: 0.875rem; }

/* Season */
.season-section { background: var(--bg-primary); }
.season-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.season-card {
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}
.season-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  border-radius: 0 4px 4px 0;
  opacity: 0.85;
}
.season-card:nth-child(1)::before { background: var(--accent-green); }
.season-card:nth-child(2)::before { background: var(--accent-blue); }
.season-card:nth-child(3)::before { background: var(--accent-gold); }
.season-card:nth-child(4)::before { background: #FF6B9D; }
.season-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.07);
  color: var(--text-primary);
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.season-meta {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-chip);
  background: rgba(61,123,255,0.1);
  color: var(--accent-blue);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.season-card h3 { margin-bottom: 10px; }
.season-card p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.6; }

/* Event Types */
.event-cat-section { background: var(--bg-secondary); }
.event-type-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.event-card { overflow: hidden; display: flex; flex-direction: column; }
.event-card-image {
  position: relative;
  aspect-ratio: 16 / 8;
  overflow: hidden;
}
.event-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.event-card:hover .event-card-image img { transform: scale(1.03); }
.event-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,14,26,0) 35%, rgba(10,14,26,0.55) 100%);
}
.event-tag {
  position: absolute;
  left: 16px;
  bottom: 12px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: var(--radius-chip);
  background: rgba(10,14,26,0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 600;
}
.event-card-content { padding: 22px 24px 24px; }
.event-card-content h3 { margin-bottom: 8px; }
.event-card-content p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 16px;
}
.event-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-green);
  font-size: 0.875rem;
  font-weight: 600;
  transition: gap .3s ease;
}
.event-card-link:hover { gap: 12px; color: var(--accent-green); }

/* Process */
.process-section { background: var(--bg-primary); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.process-step {
  position: relative;
  padding: 32px 24px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  transition: transform .35s ease, border-color .35s ease;
}
.process-step:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,160,0.4);
}
.step-num {
  font-family: var(--font-num);
  font-size: 2.5rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.3);
  line-height: 1;
  display: block;
  margin-bottom: 18px;
}
.process-step h3 { margin-bottom: 8px; }
.process-step p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.6; }
.step-line {
  position: absolute;
  top: 46px;
  right: -24px;
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, rgba(0,229,160,0.4), transparent);
}
.process-step:last-child .step-line { display: none; }

/* Features */
.features-section { background: var(--bg-secondary); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-item {
  display: flex;
  gap: 18px;
  padding: 26px 28px;
  align-items: flex-start;
}
.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,229,160,0.1);
  border: 1px solid rgba(0,229,160,0.22);
  color: var(--accent-green);
  font-size: 1.2rem;
}
.feature-item h3 { margin-bottom: 8px; }
.feature-item p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.6; }

/* FAQ */
.faq-section { background: var(--bg-primary); }
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item { overflow: hidden; }
.faq-item.active { border-color: rgba(0,229,160,0.35); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  text-align: left;
  transition: color .3s ease;
}
.faq-question i {
  color: var(--text-secondary);
  transition: transform .35s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-question i {
  transform: rotate(45deg);
  color: var(--accent-green);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-answer p {
  padding: 0 24px 22px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
}
.faq-answer .inner-divider {
  display: block;
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 0 24px;
}

/* Sub chips */
.subcat-section {
  padding: 0 0 var(--section-space);
  background: var(--bg-primary);
}
.subcat-wrap { text-align: center; }
.subcat-wrap span {
  display: inline-block;
  padding: 6px 16px;
  margin: 4px;
  border-radius: var(--radius-chip);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  transition: all .3s ease;
}
.subcat-wrap span:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

/* CTA */
.cta-section {
  position: relative;
  background: var(--bg-secondary);
  background-image: radial-gradient(circle at 20% 30%, rgba(61,123,255,0.12) 0%, transparent 50%), radial-gradient(circle at 80% 70%, rgba(0,229,160,0.12) 0%, transparent 50%);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.cta-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: rgba(255,255,255,0.035);
  border: 1px solid var(--border-card);
  border-radius: 18px;
  padding: 48px 52px;
}
.cta-left h2 { margin: 14px 0 12px; }
.cta-left p { color: var(--text-secondary); line-height: 1.7; }
.cta-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cta-form input,
.cta-form select {
  width: 100%;
  height: 46px;
  padding: 0 16px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-btn);
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: all .3s ease;
  appearance: none;
  -webkit-appearance: none;
}
.cta-form select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A9BB8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}
.cta-form input::placeholder { color: var(--text-muted); }
.cta-form input:focus,
.cta-form select:focus {
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(0,229,160,0.15);
  background-color: rgba(0,229,160,0.04);
}
.form-note {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-align: center;
  line-height: 1.5;
}

/* Footer */
.footer {
  background: var(--bg-footer);
  padding-top: 64px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer .brand { margin-bottom: 16px; }
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 340px;
}
.footer-links h4,
.footer-contact h4 {
  font-size: 0.9375rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.footer-links a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 10px;
  transition: color .3s ease;
}
.footer-links a:hover { color: var(--accent-green); }
.footer-contact p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i { color: var(--accent-green); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-align: center;
}
.footer-bottom .separator { margin: 0 10px; opacity: 0.5; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr 0.8fr; gap: 36px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .season-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .cta-box { grid-template-columns: 1fr; padding: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  :root { --section-space: 56px; }
  .container { padding: 0 16px; }
  .header-inner { height: 62px; padding: 0 16px; gap: 12px; }
  .brand-name { font-size: 1rem; }
  .brand-sub { font-size: 0.55rem; }
  .main-nav {
    flex: 1;
    min-width: 0;
    background: transparent;
    padding: 0;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .main-nav::-webkit-scrollbar { display: none; }
  .nav-chip {
    padding: 0 14px;
    height: 32px;
    font-size: 0.8125rem;
    background: rgba(255,255,255,0.06);
  }
  .nav-chip.active { background: #fff; color: #0A0E1A; }
  .header-cta { display: none; }

  .page-hero { padding: 48px 0 56px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-card { padding: 22px; }

  .stats-section { padding: 48px 0; }
  .stats-grid { gap: 12px; }
  .stat-card { padding: 22px 14px 20px; }
  .stat-number { font-size: 1.65rem; }

  .season-grid { grid-template-columns: 1fr; }
  .event-type-grid { grid-template-columns: 1fr; gap: 16px; }
  .process-grid { grid-template-columns: 1fr; }
  .step-line { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-item { padding: 22px 20px; }

  .cta-box { padding: 28px 20px; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .footer { padding-top: 48px; }
}