/* roulang page: index */
:root {
  --color-primary: #CDF03A;
  --color-primary-deep: #A5C430;
  --color-accent: #FF5E37;
  --color-ink: #17181C;
  --color-canvas: #F3F7EE;
  --color-surface: #FFFFFF;
  --color-success: #1FA855;
  --color-warning: #F5B700;
  --color-error: #E23B2E;
  --color-border: #E1E7DA;
  --color-body: #34363D;
  --color-muted: #8A8F98;
  --radius-card: 16px;
  --radius-img: 20px;
  --radius-chip: 999px;
  --shadow-sm: 0 4px 16px rgba(23,24,28,0.06);
  --shadow-lg: 0 12px 32px rgba(23,24,28,0.12);
  --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-num: Oswald, "DIN Alternate", "Arial Narrow", system-ui, sans-serif;
  --space-section: 96px;
  --space-section-mobile: 56px;
  --container-max: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-body);
  background-color: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }

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

a { color: inherit; text-decoration: none; transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease; }

a:hover { color: var(--color-primary-deep); }

a:focus-visible, button:focus-visible { outline: 3px solid rgba(205, 240, 58, 0.55); outline-offset: 2px; }

button { font-family: inherit; cursor: pointer; }

ul, ol { margin: 0; padding: 0; list-style: none; }

.container { max-width: var(--container-max); margin: 0 auto; padding-left: 32px; padding-right: 32px; }

.section { padding-top: var(--space-section); padding-bottom: var(--space-section); }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 40px; }

.section-head .section-title { font-size: 38px; font-weight: 800; color: var(--color-ink); line-height: 1.2; letter-spacing: -0.5px; }

.section-title-bar { display: inline-block; width: 18px; height: 5px; background: var(--color-primary); border-radius: 2px; margin-bottom: 14px; vertical-align: middle; }

.section-head .section-desc { color: var(--color-muted); font-size: 15px; margin-top: 10px; max-width: 520px; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 28px; border-radius: 6px; font-size: 16px; font-weight: 700; letter-spacing: 0.3px; border: none; line-height: 1; transition: background-color 0.25s ease, color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease; white-space: nowrap; }

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.btn-primary { background-color: var(--color-accent); color: #fff; clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%); }

.btn-primary:hover { background-color: #E84C28; color: #fff; }

.btn-dark { background-color: var(--color-ink); color: #fff; }

.btn-dark:hover { background-color: var(--color-accent); color: #fff; }

.btn-outline { background: transparent; border: 2px solid rgba(255,255,255,0.85); color: #fff; }

.btn-outline:hover { background-color: var(--color-primary); border-color: var(--color-primary); color: var(--color-ink); }

.btn-outline-dark { background: transparent; border: 2px solid var(--color-ink); color: var(--color-ink); }

.btn-outline-dark:hover { background-color: var(--color-ink); color: #fff; }

.chip, .tag { display: inline-flex; align-items: center; gap: 6px; padding: 5px 14px; border-radius: var(--radius-chip); font-size: 13px; font-weight: 700; line-height: 1.6; }

.chip-primary { background: var(--color-primary); color: var(--color-ink); }

.chip-outline { background: transparent; border: 1px solid var(--color-border); color: var(--color-body); }

.card { background: var(--color-surface); border-radius: var(--radius-card); box-shadow: var(--shadow-sm); overflow: hidden; }

/* ===== Header / Nav ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--color-ink); box-shadow: 0 4px 20px rgba(0,0,0,0.18); }

.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }

.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; min-height: 44px; }

.logo-mark { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; background: var(--color-primary); color: var(--color-ink); font-weight: 900; font-size: 20px; border-radius: 8px; clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%); }

.logo-text { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: 0.5px; }

.logo-text em { font-style: normal; color: var(--color-primary); margin-right: 2px; }

.main-nav { display: flex; align-items: center; gap: 6px; overflow-x: auto; scrollbar-width: none; }

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

.nav-link { display: inline-flex; align-items: center; justify-content: center; min-height: 36px; padding: 0 20px; border-radius: var(--radius-chip); font-size: 15px; font-weight: 600; color: rgba(255,255,255,0.72); background: rgba(255,255,255,0.08); border: 1px solid transparent; white-space: nowrap; }

.nav-link:hover { color: #fff; background: rgba(255,255,255,0.16); }

.nav-link.active { background: var(--color-primary); color: var(--color-ink); font-weight: 700; }

.header-cta { margin-left: auto; min-height: 44px; }

/* ===== Hero ===== */
.hero { position: relative; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; min-height: 660px; display: flex; align-items: center; overflow: hidden; }

.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(23,24,28,0.85) 0%, rgba(23,24,28,0.55) 45%, rgba(23,24,28,0.15) 100%); }

.hero-inner { position: relative; z-index: 2; width: 100%; padding: 72px 0; }

.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }

.hero-copy { color: #fff; }

.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 18px; background: rgba(205,240,58,0.16); border: 1px solid rgba(205,240,58,0.55); color: var(--color-primary); border-radius: var(--radius-chip); font-size: 14px; font-weight: 700; margin-bottom: 24px; letter-spacing: 0.5px; }

.hero-badge::before { content: ""; width: 8px; height: 8px; background: var(--color-primary); border-radius: 50%; }

.hero h1 { font-size: 60px; line-height: 1.15; font-weight: 800; color: #fff; letter-spacing: -1px; margin-bottom: 20px; }

.hero h1 .highlight { color: var(--color-primary); }

.hero-sub { font-size: 18px; line-height: 1.7; color: rgba(255,255,255,0.82); max-width: 520px; margin-bottom: 36px; }

.hero-btns { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 52px; }

.hero-illustration { position: relative; }

.hero-illustration img { width: 100%; max-height: 380px; object-fit: cover; border-radius: var(--radius-img); box-shadow: 0 24px 48px rgba(0,0,0,0.35); border: 1px solid rgba(255,255,255,0.15); }

.hero-illustration::after { content: ""; position: absolute; inset: -12px 12px 12px -12px; border: 2px solid var(--color-primary); border-radius: var(--radius-img); z-index: -1; opacity: 0.7; }

.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,0.18); padding-top: 32px; margin-top: 16px; }

.hero-stat + .hero-stat { border-left: 1px solid rgba(255,255,255,0.18); padding-left: 40px; }

.hero-stat-num { font-family: var(--font-num); font-size: 48px; font-weight: 800; color: var(--color-primary); line-height: 1.1; letter-spacing: 0.5px; font-variant-numeric: tabular-nums; }

.hero-stat-label { font-size: 14px; color: rgba(255,255,255,0.72); margin-top: 8px; }

/* ===== Product / Content Grid ===== */
.product-section { position: relative; }

.product-grid-large { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 24px; align-items: start; }

.product-card { background: var(--color-surface); border-radius: var(--radius-img); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform 0.3s ease, box-shadow 0.3s ease; position: relative; }

.product-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.product-card .product-media { position: relative; overflow: hidden; }

.product-card .product-media img { width: 100%; height: 260px; object-fit: cover; transition: transform 0.35s ease; }

.product-card:hover .product-media img { transform: scale(1.03); }

.product-card .product-media .tag { position: absolute; top: 16px; left: 16px; z-index: 2; }

.product-card .product-body { padding: 22px 24px 26px; }

.product-card .product-title { font-size: 22px; font-weight: 800; color: var(--color-ink); line-height: 1.4; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.product-card .product-desc { font-size: 14px; color: var(--color-muted); line-height: 1.65; margin-bottom: 18px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.product-card .product-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--color-border); padding-top: 16px; }

.product-meta .meta-item { font-size: 13px; color: var(--color-muted); display: inline-flex; align-items: center; gap: 6px; }

.product-meta .meta-item i { font-style: normal; }

.product-card .product-btn { min-height: 40px; padding: 0 20px; font-size: 14px; border-radius: 6px; background: var(--color-ink); color: #fff; display: inline-flex; align-items: center; justify-content: center; border: none; transition: background-color 0.25s ease, transform 0.2s ease; }

.product-card .product-btn:hover { background: var(--color-accent); transform: translateY(-2px); color: #fff; }

.product-card-offset { transform: translateY(48px); }

.product-grid-small { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 24px; }

.product-sm-card { background: var(--color-surface); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease; position: relative; }

.product-sm-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.product-sm-card .product-media img { width: 100%; height: 140px; object-fit: cover; transition: transform 0.35s ease; }

.product-sm-card:hover .product-media img { transform: scale(1.04); }

.product-sm-card .product-media .tag { position: absolute; top: 10px; left: 10px; font-size: 12px; padding: 4px 10px; }

.product-sm-card .product-body { padding: 16px 18px 20px; }

.product-sm-card .product-title { font-size: 16px; font-weight: 700; color: var(--color-ink); line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.product-sm-card .product-desc { font-size: 13px; color: var(--color-muted); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.product-sm-card .product-meta { border-top: 1px solid var(--color-border); padding-top: 12px; justify-content: space-between; }

.product-sm-card .product-btn { min-height: 34px; padding: 0 14px; font-size: 13px; }

/* ===== Testimonials ===== */
.testimonial-section { background: var(--color-ink); color: #fff; position: relative; overflow: hidden; }

.testimonial-section::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(205,240,58,0.08) 0%, transparent 40%), repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(255,255,255,0.03) 20px, rgba(255,255,255,0.03) 22px); pointer-events: none; }

.testimonial-section .section-head .section-title { color: #fff; }

.testimonial-section .section-head .section-desc { color: rgba(255,255,255,0.6); }

.testimonial-section .section-head .section-desc a { color: var(--color-primary); }

.testimonial-carousel { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }

.testimonial-track { overflow: hidden; }

.testimonial-slide { display: none; text-align: center; padding: 20px 10px; }

.testimonial-slide.active { display: block; animation: slideIn 0.45s ease forwards; }

@keyframes slideIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

.testimonial-quote-icon { font-size: 56px; color: var(--color-primary); line-height: 1; margin-bottom: 18px; font-family: Georgia, serif; }

.testimonial-text { font-size: 22px; line-height: 1.65; font-weight: 500; color: rgba(255,255,255,0.92); max-width: 640px; margin: 0 auto 26px; }

.testimonial-stars { display: inline-flex; gap: 6px; margin-bottom: 20px; color: var(--color-primary); font-size: 18px; letter-spacing: 4px; }

.testimonial-author { font-size: 15px; color: rgba(255,255,255,0.6); }

.testimonial-author strong { color: #fff; font-weight: 700; }

.testimonial-nav { display: flex; justify-content: center; align-items: center; gap: 20px; margin-top: 28px; }

.testimonial-nav button { width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); color: #fff; font-size: 18px; display: flex; align-items: center; justify-content: center; transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease; }

.testimonial-nav button:hover { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-ink); }

.testimonial-dots { display: flex; gap: 10px; }

.testimonial-dots button { width: 38px; height: 38px; background: transparent; border: none; padding: 12px 2px; display: flex; align-items: flex-end; justify-content: center; }

.testimonial-dots button::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.3); transition: background-color 0.25s ease, transform 0.25s ease; }

.testimonial-dots button.active::before, .testimonial-dots button:hover::before { background: var(--color-primary); transform: scale(1.3); }

/* ===== News List (CMS) ===== */
.news-section { background: var(--color-surface); }

.news-list { display: flex; flex-direction: column; gap: 20px; }

.news-card { display: grid; grid-template-columns: 160px 1fr; gap: 24px; background: #FAFDF5; border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden; transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease; }

.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: rgba(205,240,58,0.8); }

.news-card-thumb { overflow: hidden; position: relative; }

.news-card-thumb img { width: 160px; height: 100%; min-height: 140px; object-fit: cover; transition: transform 0.35s ease; }

.news-card:hover .news-card-thumb img { transform: scale(1.04); }

.news-card-thumb .thumb-badge { position: absolute; bottom: 10px; left: 10px; background: rgba(23,24,28,0.75); backdrop-filter: blur(4px); color: #fff; font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: var(--radius-chip); }

.news-card-body { padding: 20px 24px 20px 0; display: flex; flex-direction: column; gap: 8px; }

.news-card-body .tag { align-self: flex-start; }

.news-card-body h3 { font-size: 20px; font-weight: 800; color: var(--color-ink); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color 0.25s ease; }

.news-card:hover .news-card-body h3 { color: var(--color-primary-deep); }

.news-card-body p { font-size: 14px; color: var(--color-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.news-card-meta { display: flex; align-items: center; gap: 16px; margin-top: auto; font-size: 13px; color: var(--color-muted); }

.news-card-meta .meta-item { display: inline-flex; align-items: center; gap: 5px; }

.news-card-meta .meta-item::before { content: ""; width: 4px; height: 4px; background: var(--color-primary-deep); border-radius: 50%; }

.news-empty { background: #FAFDF5; border: 1px dashed var(--color-border); border-radius: var(--radius-card); text-align: center; padding: 56px 20px; }

.news-empty-icon { font-size: 56px; margin-bottom: 14px; line-height: 1; }

.news-empty p { font-size: 16px; color: var(--color-muted); margin-bottom: 20px; }

/* ===== Trust Bar ===== */
.trust-bar { background: var(--color-surface); border-bottom: 1px solid var(--color-border); }

.trust-inner { display: grid; grid-template-columns: repeat(4, 1fr); }

.trust-item { padding: 36px 30px; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; position: relative; }

.trust-item + .trust-item::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 1px; height: 60%; background: var(--color-border); }

.trust-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(205,240,58,0.2); display: flex; align-items: center; justify-content: center; font-size: 20px; }

.trust-title { font-size: 16px; font-weight: 800; color: var(--color-ink); }

.trust-desc { font-size: 14px; color: var(--color-muted); line-height: 1.5; }

/* ===== CTA Banner ===== */
.cta-banner { background: var(--color-primary); padding: 68px 0; position: relative; overflow: hidden; }

.cta-banner::before { content: ""; position: absolute; right: -40px; top: -80px; width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,0.2); }

.cta-banner::after { content: ""; position: absolute; left: -30px; bottom: -100px; width: 180px; height: 180px; border: 30px solid rgba(255,255,255,0.15); border-radius: 50%; }

.cta-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap; text-align: center; }

.cta-inner h2 { font-size: 36px; font-weight: 800; color: var(--color-ink); line-height: 1.25; }

.cta-inner p { font-size: 16px; color: rgba(23,24,28,0.75); margin-top: 8px; }

.cta-inner .btn { min-height: 52px; padding: 0 40px; }

/* ===== FAQ ===== */
.faq-section { background: var(--color-surface); }

.faq-list { max-width: 820px; margin: 0 auto; border-top: 1px solid var(--color-border); }

.faq-item { border-bottom: 1px solid var(--color-border); }

.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; background: none; border: none; padding: 26px 8px; text-align: left; font-size: 17px; font-weight: 700; color: var(--color-ink); font-family: inherit; transition: color 0.25s ease; }

.faq-question:hover { color: var(--color-primary-deep); }

.faq-icon { position: relative; width: 22px; height: 22px; flex-shrink: 0; display: inline-block; }

.faq-icon::before, .faq-icon::after { content: ""; position: absolute; background: var(--color-ink); border-radius: 2px; transition: transform 0.3s ease, background-color 0.3s ease; }

.faq-icon::before { top: 9px; left: 0; width: 22px; height: 3px; }

.faq-icon::after { top: 0; left: 9px; width: 3px; height: 22px; }

.faq-item.open .faq-icon::before { transform: rotate(180deg); background: var(--color-primary-deep); }

.faq-item.open .faq-icon::after { transform: rotate(90deg); background: var(--color-primary-deep); }

.faq-item.open .faq-question { color: var(--color-primary-deep); }

.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; padding: 0 8px; }

.faq-answer-inner { padding-bottom: 26px; font-size: 15px; line-height: 1.75; color: #5A5E66; }

/* ===== Footer ===== */
.site-footer { background: var(--color-ink); color: rgba(255,255,255,0.65); padding-top: 64px; }

.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }

.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px;}

.footer-brand .logo-mark { background: var(--color-primary); color: var(--color-ink); }

.footer-brand .logo-text { color: #fff; }

.footer-brand p { font-size: 14px; max-width: 300px; line-height: 1.7; }

.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 20px; letter-spacing: 0.5px; }

.footer-col ul li { margin-bottom: 10px; }

.footer-col a { font-size: 14px; color: rgba(255,255,255,0.65); }

.footer-col a:hover { color: var(--color-primary); }

.footer-copyright { border-top: 1px solid rgba(255,255,255,0.1); padding: 24px 0; font-size: 13px; text-align: center; color: rgba(255,255,255,0.5); }

.footer-copyright a { color: rgba(255,255,255,0.65); }

.footer-copyright a:hover { color: var(--color-primary); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-illustration { max-width: 480px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .product-grid-large { grid-template-columns: 1fr; }
  .product-card-offset { transform: none; }
  .product-grid-small { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .section { padding-top: var(--space-section-mobile); padding-bottom: var(--space-section-mobile); }
  .header-inner { height: 64px; gap: 14px; }
  .logo-text { font-size: 18px; }
  .main-nav { position: static; flex: 1; }
  .nav-link { min-height: 44px; padding: 0 16px; font-size: 14px; }
  .header-cta { display: none; }
  .hero { min-height: auto; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; }
  .hero-inner { padding: 48px 0; }
  .hero h1 { font-size: 36px; line-height: 1.2; }
  .hero-sub { font-size: 16px; }
  .hero-btns { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-btns .btn { width: 100%; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 20px; padding-top: 26px; }
  .hero-stat:nth-child(2) { border-right: none; }
  .hero-stat:nth-child(3) { border-left: none; grid-column: 1 / -1; padding-left: 0; }
  .hero-stat + .hero-stat { padding-left: 20px; }
  .hero-stat:nth-child(3) { padding-left: 0; }
  .hero-stat-num { font-size: 32px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 28px; }
  .section-head .section-title { font-size: 26px; }
  .section-head .section-desc { max-width: 100%; }
  .product-card .product-media img { height: 200px; }
  .product-grid-small { gap: 14px; }
  .product-sm-card .product-title { font-size: 15px; }
  .news-card { grid-template-columns: 1fr; gap: 0; }
  .news-card-thumb img { width: 100%; height: 180px; }
  .news-card-body { padding: 16px 18px 20px; }
  .news-card-body h3 { font-size: 18px; }
  .trust-inner { grid-template-columns: 1fr 1fr; }
  .trust-item { padding: 24px 18px; }
  .trust-item::before { display: none; }
  .trust-item:nth-child(odd) { border-right: 1px solid var(--color-border); }
  .cta-inner h2 { font-size: 28px; }
  .cta-inner p { font-size: 15px; }
  .cta-inner { flex-direction: column; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
  .testimonial-text { font-size: 18px; }
  .testimonial-nav { gap: 12px; }
}

@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .nav-link { padding: 0 14px; }
  .product-grid-small { grid-template-columns: 1fr; }
  .trust-inner { grid-template-columns: 1fr; }
  .trust-item:nth-child(odd) { border-right: none; }
  .trust-item { border-bottom: 1px solid var(--color-border); text-align: center; align-items: center; }
  .testimonial-nav button { width: 40px; height: 40px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}

/* roulang page: category1 */
:root {
  --color-primary: #CDF03A;
  --color-primary-deep: #A5C430;
  --color-accent: #FF5E37;
  --color-ink: #17181C;
  --color-canvas: #F3F7EE;
  --color-surface: #FFFFFF;
  --color-border: #E1E7DA;
  --color-success: #1FA855;
  --color-warning: #F5B700;
  --color-error: #E23B2E;
  --color-text: #23262E;
  --color-text-weak: #727A86;
  --color-text-invert: rgba(255,255,255,0.88);
  --radius-card: 16px;
  --radius-image: 20px;
  --radius-pill: 999px;
  --shadow-default: 0 4px 16px rgba(23,24,28,0.06);
  --shadow-hover: 0 12px 32px rgba(23,24,28,0.12);
  --transition: 0.3s ease;
  --container: 1200px;
  --space-section: 96px;
  --space-section-mobile: 56px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 28px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 8px;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.btn-accent:hover {
  background: #E84A24;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(255, 94, 55, 0.28);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.85);
  color: #fff;
}

.btn-outline:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-ink);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--color-ink);
  color: #fff;
}

.btn-dark:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(23, 24, 28, 0.2);
}

.btn-add {
  background: var(--color-ink);
  color: #fff;
  border-radius: 8px;
  min-height: 40px;
  padding: 0 18px;
  font-size: 14px;
}

.btn-add:hover {
  background: var(--color-accent);
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-ink);
  border-bottom: 2px solid rgba(205, 240, 58, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-ink);
  font-weight: 900;
  font-size: 22px;
  border-radius: 10px;
  transform: rotate(-6deg);
}

.logo-text {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
}

.logo-text em {
  font-style: normal;
  color: var(--color-primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-behavior: smooth;
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.nav-link.active {
  background: var(--color-primary);
  color: var(--color-ink);
  font-weight: 700;
}

.header-cta {
  flex-shrink: 0;
  min-height: 44px;
  padding: 0 22px;
  font-size: 15px;
  border-radius: 8px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.header-cta:hover {
  background: #E84A24;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 94, 55, 0.3);
}

/* ========== 分类横幅 ========== */
.page-banner {
  position: relative;
  background: linear-gradient(90deg, rgba(23, 24, 28, 0.92) 0%, rgba(23, 24, 28, 0.72) 48%, rgba(23, 24, 28, 0.45) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 84px 0 72px;
  color: #fff;
  border-bottom: 4px solid var(--color-primary);
}

.banner-inner {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 48px;
  align-items: center;
}

.banner-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.banner-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.page-banner h1 {
  font-size: 60px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.page-banner h1 .accent {
  color: var(--color-primary);
}

.banner-sub {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin-bottom: 28px;
}

.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.banner-stats {
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  padding-top: 24px;
  max-width: 520px;
}

.banner-stats .stat {
  flex: 1;
  padding: 0 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.banner-stats .stat:first-child {
  padding-left: 0;
  border-left: none;
}

.stat-num {
  font-family: "Oswald", "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 36px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.68);
}

.banner-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.banner-visual img {
  max-width: 320px;
  border-radius: 24px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  transform: rotate(3deg);
  border: 3px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.3s ease;
}

.banner-visual img:hover {
  transform: rotate(0deg) scale(1.02);
}

/* ========== Chip Tabs ========== */
.chip-tabs-wrap {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 72px;
  z-index: 90;
}

.chip-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 12px 0;
}

.chip-tabs::-webkit-scrollbar {
  display: none;
}

.chip-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-weak);
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  white-space: nowrap;
  transition: all 0.3s ease;
}

.chip-tab:hover {
  color: var(--color-ink);
  border-color: var(--color-primary);
}

.chip-tab.active {
  background: var(--color-primary);
  color: var(--color-ink);
  border-color: var(--color-primary);
  font-weight: 700;
}

/* ========== 通用板块 ========== */
.section {
  padding: var(--space-section) 0;
}

.section-head {
  margin-bottom: 48px;
  max-width: 720px;
}

.section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(255, 94, 55, 0.08);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-head h2::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 5px;
  background: var(--color-primary);
  transform: skewX(-30deg);
  margin-right: 12px;
  vertical-align: middle;
}

.section-head p {
  font-size: 16px;
  color: var(--color-text-weak);
  line-height: 1.75;
}

/* ========== 装备核心品类 ========== */
.categories-section {
  background: var(--color-canvas);
}

.category-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 24px;
}

.category-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-default);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.category-card-media {
  position: relative;
  overflow: hidden;
  height: 230px;
}

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

.category-card:hover .category-card-media img {
  transform: scale(1.03);
}

.category-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--color-primary);
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.category-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.category-card-body h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-ink);
}

.category-card-body p {
  font-size: 15px;
  color: var(--color-text-weak);
  line-height: 1.6;
}

.category-card-body ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.category-card-body ul li {
  font-size: 13px;
  color: var(--color-text);
  background: var(--color-canvas);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 15px;
  color: var(--color-accent);
  margin-top: auto;
  padding-top: 8px;
}

.text-link i {
  transition: transform 0.3s ease;
}

.text-link:hover i {
  transform: translateX(4px);
}

.text-link:hover {
  color: var(--color-ink);
}

/* ========== 热卖装备 ========== */
.hot-section {
  background: var(--color-surface);
}

.product-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.95fr 0.95fr 1fr;
  gap: 24px;
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-image);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-default);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:first-child {
  grid-column: span 2;
}

.product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.product-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-canvas);
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-media img {
  transform: scale(1.03);
}

.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 10px rgba(255, 94, 55, 0.3);
}

.product-cat {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.product-body h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-ink);
  line-height: 1.35;
}

.product-desc {
  font-size: 14px;
  color: var(--color-text-weak);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 8px;
}

.product-price {
  font-family: "Oswald", "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.product-sales {
  font-size: 13px;
  color: var(--color-text-weak);
}

/* ========== 选购流程 ========== */
.process-section {
  background: var(--color-ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(205, 240, 58, 0.14);
  border-radius: 50%;
  pointer-events: none;
}

.process-section .section-head h2 {
  color: #fff;
}

.process-section .section-head p {
  color: rgba(255, 255, 255, 0.68);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  transition: all 0.3s ease;
}

.process-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.process-num {
  font-family: "Oswald", "DIN Alternate", "Arial Narrow", sans-serif;
  font-size: 42px;
  font-weight: 800;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}

.process-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.process-item p {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.66);
}

/* ========== 选购指南 ========== */
.guide-section {
  background: var(--color-canvas);
}

.guide-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.guide-item {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-default);
  overflow: hidden;
  transition: all 0.3s ease;
}

.guide-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateX(6px);
  border-color: var(--color-primary);
}

.guide-link {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  align-items: stretch;
  min-height: 150px;
}

.guide-thumb {
  overflow: hidden;
  background: var(--color-canvas);
}

.guide-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.guide-item:hover .guide-thumb img {
  transform: scale(1.04);
}

.guide-body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.guide-tag {
  align-self: flex-start;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-primary);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}

.guide-body h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-ink);
  line-height: 1.4;
  transition: color 0.3s ease;
}

.guide-item:hover .guide-body h3 {
  color: var(--color-primary-deep);
}

.guide-body p {
  font-size: 15px;
  color: var(--color-text-weak);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.guide-meta {
  font-size: 13px;
  color: var(--color-text-weak);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

/* ========== 保障条 ========== */
.guarantee-bar {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 0;
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.guarantee-item {
  padding: 16px 32px;
  border-left: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.guarantee-item:first-child {
  padding-left: 0;
  border-left: none;
}

.guarantee-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(205, 240, 58, 0.25);
  color: var(--color-ink);
  font-size: 20px;
  border-radius: 14px;
}

.guarantee-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.guarantee-item p {
  font-size: 14px;
  color: var(--color-text-weak);
  line-height: 1.5;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--color-canvas);
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-default);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 56px;
  padding: 16px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-ink);
  text-align: left;
  transition: all 0.3s ease;
}

.faq-btn:hover {
  color: var(--color-primary-deep);
}

.faq-icon {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-ink);
  border-radius: 2px;
  transition: background 0.3s ease;
}

.faq-icon::before {
  width: 16px;
  height: 2px;
  top: 11px;
  left: 4px;
}

.faq-icon::after {
  width: 2px;
  height: 16px;
  top: 4px;
  left: 11px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
  background: var(--color-accent);
}

.faq-item.active .faq-btn {
  color: var(--color-primary-deep);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--color-text-weak);
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  max-height: 320px;
}

/* ========== CTA ========== */
.cta-banner {
  background: var(--color-primary);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(90deg, transparent 0, transparent 60px, rgba(23, 24, 28, 0.04) 60px, rgba(23, 24, 28, 0.04) 61px);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: 42px;
  font-weight: 800;
  color: var(--color-ink);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  position: relative;
}

.cta-banner p {
  font-size: 18px;
  color: rgba(23, 24, 28, 0.72);
  margin-bottom: 28px;
  position: relative;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  max-width: 360px;
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.25s ease;
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-col li {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-copyright {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
}

.footer-copyright a {
  color: rgba(255, 255, 255, 0.42);
}

.footer-copyright a:hover {
  color: var(--color-primary);
}

/* ========== 响应式 ========== */
@media (max-width: 1023px) {
  .container {
    padding: 0 24px;
  }

  .page-banner {
    padding: 64px 0 56px;
  }

  .banner-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .banner-visual {
    display: none;
  }

  .banner-stats {
    max-width: 100%;
  }

  .category-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .product-card:first-child {
    grid-column: span 2;
  }

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

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

  .guarantee-item {
    border-left: none;
    border-bottom: 1px solid var(--color-border);
    padding: 16px 8px;
  }

  .guarantee-item:nth-child(odd) {
    border-right: 1px solid var(--color-border);
    padding-right: 24px;
  }

  .guarantee-item:nth-last-child(-n+2) {
    border-bottom: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 767px) {
  :root {
    --space-section: 56px;
  }

  .container {
    padding: 0 20px;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .main-nav {
    order: 3;
    width: 100%;
    border-radius: 12px;
  }

  .nav-link {
    flex: 1;
    padding: 0 12px;
    font-size: 14px;
  }

  .header-cta {
    width: 44px;
    height: 44px;
    padding: 0;
    justify-content: center;
  }

  .header-cta .cta-text {
    display: none;
  }

  .chip-tabs-wrap {
    top: 118px;
  }

  .page-banner {
    padding: 48px 0 40px;
  }

  .page-banner h1 {
    font-size: 36px;
  }

  .banner-sub {
    font-size: 16px;
  }

  .banner-actions {
    flex-direction: column;
    gap: 12px;
  }

  .banner-actions .btn {
    width: 100%;
  }

  .banner-stats {
    flex-wrap: wrap;
    gap: 16px;
  }

  .banner-stats .stat {
    flex: 1 1 40%;
    padding: 0 12px;
  }

  .banner-stats .stat:first-child {
    padding-left: 0;
  }

  .stat-num {
    font-size: 28px;
  }

  .section-head h2 {
    font-size: 26px;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .category-card-media {
    height: 200px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-card:first-child {
    grid-column: auto;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .guide-link {
    grid-template-columns: 1fr;
  }

  .guide-thumb {
    aspect-ratio: 16 / 7;
  }

  .guide-body {
    padding: 20px;
  }

  .guarantee-grid {
    grid-template-columns: 1fr;
  }

  .guarantee-item {
    border-right: none !important;
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
  }

  .guarantee-item:last-child {
    border-bottom: none;
  }

  .cta-banner {
    padding: 48px 0;
  }

  .cta-banner h2 {
    font-size: 28px;
  }

  .cta-banner .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-copyright {
    font-size: 12px;
  }
}

@media (max-width: 520px) {
  .banner-stats .stat {
    flex: 1 1 100%;
    padding: 8px 0;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
  }

  .banner-stats .stat:first-child {
    border-top: none;
  }

  .process-grid {
    gap: 16px;
  }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
    --color-primary: #CDF03A;
    --color-primary-deep: #A5C430;
    --color-accent: #FF5E37;
    --color-ink: #17181C;
    --color-canvas: #F3F7EE;
    --color-surface: #FFFFFF;
    --color-success: #1FA855;
    --color-warning: #F5B700;
    --color-error: #E23B2E;
    --color-border: #E1E7DA;
    --text-main: #17181C;
    --text-secondary: #5B6270;
    --text-muted: #8A919E;
    --radius-card: 16px;
    --radius-image: 20px;
    --radius-chip: 999px;
    --shadow-normal: 0 4px 16px rgba(23,24,28,0.06);
    --shadow-hover: 0 12px 32px rgba(23,24,28,0.12);
    --shadow-hard: 0 4px 0 0 rgba(23,24,28,0.9);
    --space-section: 96px;
    --space-section-mobile: 56px;
    --container: 1200px;
    --font-num: "DIN Alternate", "Arial Narrow", system-ui, sans-serif;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    background: var(--color-canvas);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:visited { color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}
ul, ol, p, figure, blockquote { margin: 0; padding: 0; }

/* ===== 容器 ===== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 32px;
    padding-right: 32px;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 28px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, filter 0.25s ease;
    gap: 8px;
    white-space: nowrap;
    border: none;
}
.btn-primary {
    background: var(--color-accent);
    color: #FFFFFF;
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    border-radius: 0;
}
.btn-primary:hover {
    background: #E84A2A;
    transform: translateY(-2px);
    filter: drop-shadow(0 6px 12px rgba(255, 94, 55, 0.28));
}
.btn-primary:active {
    transform: translateY(0);
}
.btn-dark {
    background: var(--color-ink);
    color: #FFFFFF;
    border-radius: 10px;
}
.btn-dark:hover {
    background: var(--color-accent);
    color: #FFFFFF;
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--color-ink);
    border: 2px solid var(--color-ink);
    border-radius: 10px;
    font-weight: 600;
}
.btn-outline:hover {
    background: var(--color-ink);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* ===== 导航 ===== */
.site-header {
    background: var(--color-ink);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(23,24,28,0.25);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #FFFFFF;
    font-weight: 800;
    font-size: 22px;
    line-height: 1;
    flex-shrink: 0;
}
.logo:hover { color: #FFFFFF; }
.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--color-primary);
    color: var(--color-ink);
    border-radius: 10px;
    font-size: 21px;
    font-weight: 900;
    transition: background 0.25s;
}
.logo:hover .logo-mark {
    background: #E4FF6B;
}
.logo-text {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.logo-text em {
    font-style: normal;
    color: var(--color-primary);
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
.main-nav::-webkit-scrollbar { display: none; }
.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 20px;
    border-radius: var(--radius-chip);
    color: rgba(255,255,255,0.72);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: background 0.25s, color 0.25s;
}
.nav-link:hover {
    color: #FFFFFF;
    background: rgba(255,255,255,0.1);
}
.nav-link.active {
    background: var(--color-primary);
    color: var(--color-ink);
}
.header-cta {
    flex-shrink: 0;
    min-height: 44px;
    padding: 0 24px;
}
.header-cta i {
    display: none;
}

/* ===== 文章 Hero ===== */
.article-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 72px 0 56px;
    color: #FFFFFF;
    overflow: hidden;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(23,24,28,0.88) 0%, rgba(23,24,28,0.65) 55%, rgba(23,24,28,0.35) 100%);
}
.hero-overlay::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 320px;
    height: 320px;
    background: repeating-linear-gradient(45deg, rgba(205,240,58,0.08) 0 2px, transparent 2px 14px);
    transform: rotate(15deg);
}
.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 960px;
}
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 18px;
}
.breadcrumb a {
    color: rgba(255,255,255,0.6);
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: var(--color-primary);
}
.crumb-sep {
    color: rgba(255,255,255,0.3);
    font-size: 12px;
}
.crumb-current {
    color: rgba(255,255,255,0.85);
}
.article-cat-chip {
    display: inline-block;
    padding: 6px 16px;
    background: var(--color-primary);
    color: var(--color-ink);
    border-radius: var(--radius-chip);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}
.article-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 24px;
    max-width: 840px;
    letter-spacing: -0.5px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    align-items: center;
    font-size: 14px;
    color: rgba(255,255,255,0.72);
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.meta-item i {
    color: var(--color-primary);
    font-size: 14px;
}
.meta-item .num {
    font-family: var(--font-num);
    font-variant-numeric: tabular-nums;
}

/* ===== 正文区 ===== */
.article-section {
    padding: 48px 0 0;
}
.article-card {
    background: var(--color-surface);
    border-radius: 24px;
    box-shadow: var(--shadow-normal);
    padding: 48px;
    max-width: 960px;
    margin: 0 auto;
}
.article-cover {
    border-radius: var(--radius-image);
    overflow: hidden;
    margin-bottom: 40px;
    position: relative;
}
.article-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 70%, rgba(23,24,28,0.12));
    pointer-events: none;
}
.article-cover img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.article-cover figcaption {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text-muted);
    background: #F8FAF6;
    text-align: center;
}
.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-main);
}
.article-content > * + * {
    margin-top: 20px;
}
.article-content p {
    line-height: 1.85;
    margin-bottom: 0;
}
.article-content h2 {
    font-size: 26px;
    font-weight: 800;
    line-height: 1.35;
    margin: 44px 0 16px;
    padding-left: 16px;
    border-left: 4px solid var(--color-primary);
}
.article-content h3 {
    font-size: 21px;
    font-weight: 700;
    margin: 36px 0 12px;
    line-height: 1.4;
}
.article-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin: 28px 0 10px;
}
.article-content a {
    color: var(--color-primary-deep);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s;
}
.article-content a:hover {
    color: var(--color-ink);
}
.article-content ul,
.article-content ol {
    padding-left: 26px;
    margin: 16px 0 24px;
}
.article-content li {
    margin-bottom: 8px;
    line-height: 1.75;
}
.article-content img {
    border-radius: var(--radius-image);
    margin: 24px 0;
}
.article-content figure {
    margin: 28px 0;
}
.article-content figure img {
    margin: 0;
}
.article-content figcaption {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
    line-height: 1.6;
}
.article-content blockquote {
    border-left: 4px solid var(--color-primary);
    background: rgba(205, 240, 58, 0.08);
    padding: 18px 24px;
    border-radius: 0 14px 14px 0;
    margin: 28px 0;
    color: var(--text-secondary);
    font-style: normal;
}
.article-content blockquote p {
    margin: 0;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin: 24px 0;
    overflow-x: auto;
    display: block;
}
.article-content table th,
.article-content table td {
    border: 1px solid var(--color-border);
    padding: 10px 14px;
    text-align: left;
}
.article-content table th {
    background: var(--color-canvas);
    font-weight: 700;
}
.article-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 32px 0;
}
.article-content code {
    background: #EEF1E9;
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 0.9em;
}

/* ===== 标签 / 分享 ===== */
.article-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-top: 1px solid var(--color-border);
    padding-top: 28px;
    margin-top: 44px;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-canvas);
    border: 1px solid var(--color-border);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: var(--radius-chip);
    transition: background 0.2s, color 0.2s;
}
.tag:hover {
    background: var(--color-primary);
    color: var(--color-ink);
    border-color: var(--color-primary);
}
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-ink);
    color: #FFFFFF;
    min-height: 44px;
    padding: 0 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.25s, transform 0.25s;
}
.share-btn:hover {
    background: var(--color-accent);
    transform: translateY(-2px);
}

/* ===== 相关推荐 ===== */
.related-section {
    padding: 72px 0 0;
}
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}
.section-title {
    font-size: 30px;
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 14px;
    letter-spacing: -0.3px;
}
.title-bar {
    display: inline-block;
    width: 16px;
    height: 6px;
    background: var(--color-primary);
    transform: skewX(-30deg);
    border-radius: 2px;
    flex-shrink: 0;
}
.section-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    min-height: 44px;
    padding: 0 12px;
    transition: color 0.2s, gap 0.2s;
}
.section-more:hover {
    color: var(--color-primary-deep);
    gap: 12px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    background: var(--color-surface);
    border-radius: var(--radius-image);
    overflow: hidden;
    box-shadow: var(--shadow-normal);
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.related-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.related-card:hover .related-cover img {
    transform: scale(1.04);
}
.related-cat {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--color-primary);
    color: var(--color-ink);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: var(--radius-chip);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.related-body {
    padding: 22px 20px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.related-body h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.45;
    margin: 0 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}
.related-card:hover .related-body h3 {
    color: var(--color-primary-deep);
}
.related-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0 0 16px;
    flex: 1;
}
.related-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-num);
    font-variant-numeric: tabular-nums;
}
.related-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.related-meta i {
    font-size: 13px;
    color: var(--color-primary-deep);
}

/* ===== 返回入口 ===== */
.back-entry {
    padding: 56px 0 16px;
    text-align: center;
}

/* ===== 未找到 ===== */
.not-found-card {
    background: var(--color-surface);
    border-radius: 24px;
    box-shadow: var(--shadow-normal);
    max-width: 720px;
    margin: 32px auto 0;
    padding: 64px 40px;
    text-align: center;
}
.not-found-icon {
    font-size: 56px;
    color: var(--color-warning);
    margin-bottom: 20px;
}
.not-found-card h2 {
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 12px;
}
.not-found-card p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0 0 28px;
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--color-ink);
    color: rgba(255,255,255,0.72);
    padding: 64px 0 0;
    margin-top: 96px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.8fr 0.8fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}
.footer-brand .logo {
    margin-bottom: 16px;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255,255,255,0.5);
    max-width: 320px;
}
.footer-col h4 {
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}
.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-col li {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.6;
}
.footer-col a {
    color: rgba(255,255,255,0.6);
    transition: color 0.2s;
}
.footer-col a:hover {
    color: var(--color-primary);
}
.footer-copyright {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.45);
    text-align: center;
}
.footer-copyright a {
    color: rgba(255,255,255,0.45);
}
.footer-copyright a:hover {
    color: var(--color-primary);
}

/* ===== Toast ===== */
.copy-toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--color-ink);
    color: #FFFFFF;
    padding: 12px 28px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
    box-shadow: 0 8px 28px rgba(23,24,28,0.3);
    z-index: 2000;
}
.copy-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-hero {
        padding: 56px 0 44px;
    }
    .article-title {
        font-size: 34px;
    }
    .article-card {
        padding: 36px;
    }
}

@media (max-width: 767px) {
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
    .site-header {
        padding: 10px 0;
    }
    .header-inner {
        gap: 10px;
    }
    .logo-mark {
        width: 34px;
        height: 34px;
        font-size: 18px;
    }
    .logo-text {
        font-size: 18px;
    }
    .main-nav {
        flex: 1;
        margin: 0 -6px;
        padding: 0 6px;
    }
    .nav-link {
        padding: 0 14px;
        font-size: 13px;
        min-height: 40px;
    }
    .header-cta {
        width: 44px;
        padding: 0;
        font-size: 0;
        border-radius: 12px;
        clip-path: none;
    }
    .header-cta i {
        display: block;
        font-size: 16px;
    }
    .article-hero {
        padding: 44px 0 36px;
    }
    .article-title {
        font-size: 28px;
        line-height: 1.3;
        margin-bottom: 18px;
    }
    .article-meta {
        gap: 10px 16px;
        font-size: 13px;
    }
    .meta-item i {
        font-size: 13px;
    }
    .article-section {
        padding: 24px 0 0;
    }
    .article-card {
        padding: 20px;
        border-radius: 18px;
    }
    .article-cover {
        margin-bottom: 28px;
    }
    .article-content h2 {
        font-size: 22px;
        margin: 36px 0 12px;
    }
    .article-content h3 {
        font-size: 19px;
    }
    .article-toolbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        margin-top: 36px;
        padding-top: 22px;
    }
    .related-section {
        padding: 56px 0 0;
    }
    .section-title {
        font-size: 24px;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .back-entry {
        padding: 40px 0 0;
    }
    .site-footer {
        padding: 48px 0 0;
        margin-top: 72px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
        padding-bottom: 32px;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
    .footer-col h4 {
        margin-bottom: 14px;
    }
    .footer-copyright {
        font-size: 12px;
        padding: 16px 20px;
    }
    .not-found-card {
        padding: 40px 24px;
    }
    .not-found-card h2 {
        font-size: 24px;
    }
}

@media (max-width: 400px) {
    .logo-text {
        font-size: 16px;
    }
    .logo-mark {
        width: 30px;
        height: 30px;
        font-size: 16px;
    }
    .nav-link {
        padding: 0 12px;
        font-size: 12px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-brand {
        grid-column: auto;
    }
}

/* roulang page: category2 */
:root {
  --color-primary: #CDF03A;
  --color-primary-deep: #A5C430;
  --color-accent: #FF5E37;
  --color-ink: #17181C;
  --color-canvas: #F3F7EE;
  --color-surface: #FFFFFF;
  --color-success: #1FA855;
  --color-warning: #F5B700;
  --color-error: #E23B2E;
  --color-border: #E1E7DA;
  --color-muted: #5A6465;
  --color-white: #FFFFFF;
  --radius-sm: 10px;
  --radius-card: 16px;
  --radius-large: 20px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 16px rgba(23, 24, 28, 0.06);
  --shadow-hover: 0 12px 32px rgba(23, 24, 28, 0.12);
  --shadow-hard: 0 4px 0 0 rgba(23, 24, 28, 0.9);
  --container: 1200px;
  --space-section: 96px;
  --space-section-mobile: 56px;
  --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-num: Oswald, "DIN Alternate", "Arial Narrow", sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-ink);
  background: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover,
a:focus-visible {
  color: var(--color-primary-deep);
}
button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}
input,
textarea {
  font-family: inherit;
  font-size: inherit;
}
ul {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  border-radius: 0;
}
.btn-primary:hover {
  background: #E64E2A;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(230, 78, 42, 0.3);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-sm);
}
.btn-outline:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-ink);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-outline-dark {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid rgba(23, 24, 28, 0.3);
  border-radius: var(--radius-sm);
}
.btn-outline-dark:hover {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-primary);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--color-ink);
  color: var(--color-white);
  border-radius: var(--radius-sm);
}
.btn-dark:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 94, 55, 0.28);
}
.btn-dark:active {
  transform: translateY(0);
}
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}
/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  min-height: 44px;
}
.logo-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--color-primary);
  color: var(--color-ink);
  font-weight: 900;
  font-size: 20px;
  border-radius: 10px;
  clip-path: polygon(0 0, 100% 0, 100% 78%, 88% 100%, 0 100%);
}
.logo-text {
  font-weight: 800;
  font-size: 22px;
  color: var(--color-white);
  letter-spacing: 0.5px;
}
.logo-text em {
  font-style: normal;
  color: var(--color-primary);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.06);
  padding: 4px;
  border-radius: 999px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s, opacity 0.2s;
}
.nav-link:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
}
.nav-link:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: -2px;
}
.nav-link.active {
  background: var(--color-primary);
  color: var(--color-ink);
}
.nav-link.active:hover {
  color: var(--color-ink);
  background: var(--color-primary);
}
.header-cta {
  flex-shrink: 0;
}
/* ===== Category Hero ===== */
.category-hero {
  background:
    linear-gradient(100deg, rgba(23, 24, 28, 0.94) 0%, rgba(23, 24, 28, 0.78) 42%, rgba(23, 24, 28, 0.52) 78%, rgba(23, 24, 28, 0.35) 100%),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  color: var(--color-white);
  padding: 80px 0 64px;
}
.category-hero__inner {
  max-width: 720px;
}
.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(205, 240, 58, 0.16);
  border: 1px solid rgba(205, 240, 58, 0.35);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero-chip::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}
.category-hero h1 {
  font-size: 60px;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: 1px;
  color: var(--color-white);
}
.category-hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.category-hero__desc {
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
}
.category-hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.hero-stats {
  margin-top: 44px;
  display: flex;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 26px;
  max-width: 560px;
}
.hero-stat {
  flex: 1;
  padding: 0 24px 0 0;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}
.hero-stat + .hero-stat {
  padding-left: 24px;
}
.hero-stat:last-child {
  border-right: 0;
}
.hero-stat b {
  display: block;
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.5px;
}
.hero-stat span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}
/* ===== Chip bar ===== */
.cat-chips {
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}
.chip:hover {
  border-color: var(--color-primary-deep);
  color: var(--color-ink);
  background: rgba(205, 240, 58, 0.12);
}
.chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-ink);
  font-weight: 700;
}
/* ===== Section head ===== */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.5px;
  margin-top: 8px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary-deep);
  letter-spacing: 2px;
}
.section-tag::before {
  content: '';
  width: 26px;
  height: 3px;
  background: var(--color-primary-deep);
  border-radius: 2px;
}
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink);
  min-height: 44px;
  padding: 0 4px;
}
.link-more::after {
  content: '→';
  transition: transform 0.2s;
}
.link-more:hover::after {
  transform: translateX(4px);
}
/* ===== Feature block ===== */
.feature-block {
  padding: var(--space-section) 0;
}
.feature-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: repeat(2, auto);
  gap: 24px;
}
.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-large);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.feature-card--large {
  grid-row: 1 / -1;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 420px;
}
.feature-card--large img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.feature-card__body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  flex: 1;
}
.feature-card__tag {
  display: inline-block;
  background: rgba(205, 240, 58, 0.18);
  color: var(--color-primary-deep);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
.feature-card h3 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.4;
}
.feature-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}
.feature-card--large .feature-card__body .link-arrow {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.feature-card--large .feature-card__body .link-arrow::after {
  content: '→';
  transition: transform 0.2s;
}
.feature-card--large .feature-card__body .link-arrow:hover::after {
  transform: translateX(4px);
}
.feature-index {
  position: absolute;
  right: 20px;
  bottom: 12px;
  font-family: var(--font-num);
  font-size: 44px;
  font-weight: 800;
  color: rgba(23, 24, 28, 0.06);
  line-height: 1;
}
/* ===== Content split ===== */
.content-block {
  padding: var(--space-section) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.split-text h2 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.28;
  margin-top: 8px;
}
.split-text > p {
  margin-top: 18px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}
.check-list {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}
.check-list li {
  position: relative;
  padding-left: 30px;
  font-size: 14px;
  color: var(--color-ink);
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  background: var(--color-primary);
  border-radius: 5px;
}
.check-list li::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  width: 6px;
  height: 8px;
  border: solid var(--color-ink);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.split-text .btn {
  margin-top: 28px;
}
.split-media img {
  border-radius: 24px;
  box-shadow: var(--shadow-hover);
  width: 100%;
  object-fit: cover;
}
/* ===== Schedule ===== */
.schedule-block {
  padding: var(--space-section) 0;
  background: var(--color-canvas);
}
.timeline {
  max-width: 860px;
  margin: 0 auto;
}
.timeline__item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  position: relative;
  padding: 0 0 40px 28px;
}
.timeline__item:last-child {
  padding-bottom: 0;
}
.timeline__item::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-ink);
  border: 4px solid var(--color-primary);
  box-sizing: border-box;
}
.timeline__item::after {
  content: '';
  position: absolute;
  left: 11px;
  top: 28px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}
.timeline__item:last-child::after {
  display: none;
}
.timeline__date b {
  display: block;
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 800;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.timeline__date span {
  font-size: 13px;
  color: var(--color-muted);
}
.timeline__content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s;
}
.timeline__content:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.timeline__content h3 {
  font-size: 18px;
  font-weight: 800;
}
.timeline__content p {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 6px;
}
.badge {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 10px;
  background: rgba(205, 240, 58, 0.18);
  color: var(--color-primary-deep);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
}
/* ===== Hot block ===== */
.hot-block {
  padding: var(--space-section) 0;
  background: var(--color-surface);
}
.hot-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  grid-template-rows: repeat(2, auto);
  gap: 24px;
}
.hot-card {
  background: var(--color-surface);
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform 0.25s, box-shadow 0.25s;
}
.hot-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.hot-card:first-child {
  grid-row: 1 / -1;
  display: flex;
  flex-direction: column;
}
.hot-card__img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-canvas);
}
.hot-card:first-child .hot-card__img {
  aspect-ratio: auto;
  height: 280px;
  flex-shrink: 0;
}
.hot-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.hot-card:hover .hot-card__img img {
  transform: scale(1.04);
}
.badge--primary {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--color-primary);
  color: var(--color-ink);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(23, 24, 28, 0.18);
}
.hot-card__body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.hot-card:first-child .hot-card__body {
  padding: 24px;
}
.hot-card h3 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.5;
}
.hot-card:first-child h3 {
  font-size: 22px;
}
.hot-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}
.hot-card__meta {
  display: flex;
  gap: 16px;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-muted);
}
/* ===== CTA band ===== */
.cta-band {
  background: var(--color-primary);
  padding: 64px 0;
  text-align: center;
}
.cta-band h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-ink);
  line-height: 1.3;
}
.cta-band p {
  margin-top: 12px;
  font-size: 16px;
  color: rgba(23, 24, 28, 0.72);
}
.cta-band .btn {
  margin-top: 28px;
  min-width: 160px;
}
/* ===== FAQ ===== */
.faq-block {
  padding: var(--space-section) 0;
  background: var(--color-canvas);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  font-size: 16px;
  font-weight: 700;
  min-height: 48px;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  font-size: 26px;
  font-weight: 400;
  color: var(--color-ink);
  line-height: 1;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}
.faq-item summary:hover {
  color: var(--color-primary-deep);
}
.faq-item[open] summary {
  color: var(--color-primary-deep);
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item__body {
  padding: 0 30px 24px 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-muted);
}
/* ===== Footer ===== */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .footer-logo {
  color: var(--color-white);
}
.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  color: var(--color-white);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col li {
  margin-bottom: 10px;
}
.footer-col li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
}
.footer-col li a:hover {
  color: var(--color-primary);
}
.footer-copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}
.footer-copyright a {
  color: rgba(255, 255, 255, 0.6);
}
.footer-copyright a:hover {
  color: var(--color-primary);
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .category-hero h1 {
    font-size: 46px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .feature-card--large {
    grid-row: auto;
  }
  .hot-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hot-card:first-child {
    grid-row: auto;
    grid-column: 1 / -1;
    flex-direction: row;
  }
  .hot-card:first-child .hot-card__img {
    width: 45%;
    height: auto;
    min-height: 220px;
    aspect-ratio: auto;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 767px) {
  .container {
    padding: 0 20px;
  }
  .header-inner {
    height: 64px;
    gap: 10px;
  }
  .main-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    max-width: calc(100vw - 150px);
  }
  .main-nav::-webkit-scrollbar {
    display: none;
  }
  .nav-link {
    flex-shrink: 0;
    padding: 0 14px;
    font-size: 13px;
  }
  .header-cta {
    width: 44px;
    padding: 0;
    font-size: 0;
  }
  .header-cta::after {
    content: '开练';
    font-size: 13px;
    font-weight: 700;
  }
  .category-hero {
    padding: 56px 0 48px;
  }
  .category-hero h1 {
    font-size: 36px;
  }
  .category-hero__desc {
    font-size: 15px;
  }
  .hero-stats {
    flex-direction: column;
    gap: 16px;
    padding-top: 20px;
  }
  .hero-stat {
    padding: 12px 0 0 !important;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding-bottom: 12px !important;
  }
  .hero-stat:last-child {
    border-bottom: 0;
    padding-bottom: 0 !important;
  }
  .hero-stat b {
    font-size: 28px;
  }
  .feature-block,
  .content-block,
  .schedule-block,
  .hot-block,
  .faq-block {
    padding: var(--space-section-mobile) 0;
  }
  .section-head h2,
  .split-text h2 {
    font-size: 26px;
  }
  .split-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .feature-card--large img {
    height: 180px;
  }
  .timeline__item {
    grid-template-columns: 80px 1fr;
    gap: 16px;
    padding-left: 18px;
  }
  .timeline__date b {
    font-size: 20px;
  }
  .timeline__item::before {
    left: 0;
    width: 12px;
    height: 12px;
  }
  .timeline__item::after {
    left: 5px;
  }
  .timeline__content {
    padding: 16px;
  }
  .hot-grid {
    grid-template-columns: 1fr;
  }
  .hot-card:first-child {
    grid-column: auto;
    flex-direction: column;
  }
  .hot-card:first-child .hot-card__img {
    width: 100%;
    height: 200px;
  }
  .hot-card:first-child h3 {
    font-size: 18px;
  }
  .cta-band {
    padding: 48px 0;
  }
  .cta-band h2 {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 520px) {
  .category-hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .category-hero__actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    padding-bottom: 32px;
  }
  .chip-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
  }
  .chip-list::-webkit-scrollbar {
    display: none;
  }
  .chip {
    flex-shrink: 0;
  }
  .hero-stats {
    max-width: 100%;
  }
}

/* roulang page: category3 */
:root {
  --color-primary: #CDF03A;
  --color-primary-deep: #A5C430;
  --color-accent: #FF5E37;
  --color-ink: #17181C;
  --color-canvas: #F3F7EE;
  --color-surface: #FFFFFF;
  --color-muted: #6B7178;
  --color-border: #E1E7DA;
  --color-success: #1FA855;
  --color-warning: #F5B700;
  --color-error: #E23B2E;
  --radius-card: 16px;
  --radius-img: 20px;
  --radius-pill: 999px;
  --shadow-base: 0 4px 16px rgba(23, 24, 28, 0.06);
  --shadow-hover: 0 12px 32px rgba(23, 24, 28, 0.12);
  --shadow-hard: 0 4px 0 0 rgba(23, 24, 28, 0.9);
  --font-main: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-num: Oswald, "DIN Alternate", "Arial Narrow", sans-serif;
  --container: 1200px;
  --space-section: 96px;
  --space-section-mobile: 56px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-ink);
  background: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}
ul,
ol {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}
.section {
  padding: var(--space-section) 0;
}
.section-head {
  margin-bottom: 48px;
}
.section-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
}
.section-title::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 28px;
  background: var(--color-accent);
  margin-right: 14px;
  transform: skewX(-15deg);
  vertical-align: -3px;
}
.section-desc {
  margin-top: 12px;
  max-width: 640px;
  color: var(--color-muted);
  font-size: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 10px;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  filter: drop-shadow(0 4px 8px rgba(255, 94, 55, 0.2));
}
.btn-primary:hover {
  background: #E84A26;
  transform: translateY(-2px);
  filter: drop-shadow(0 8px 16px rgba(255, 94, 55, 0.3));
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.85);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-ink);
  border-color: var(--color-primary);
}
.btn-dark {
  background: var(--color-ink);
  color: #fff;
}
.btn-dark:hover {
  background: var(--color-accent);
  color: #fff;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: var(--color-ink);
  border-radius: 10px;
  font-weight: 800;
  font-size: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: skewX(-8deg);
}
.logo-text {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.2px;
}
.logo-text em {
  font-style: normal;
  color: var(--color-primary);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
}
.main-nav::-webkit-scrollbar {
  display: none;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.88);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: all .25s ease;
}
.nav-link:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}
.nav-link.active {
  background: var(--color-primary);
  color: var(--color-ink);
}
.header-cta {
  flex-shrink: 0;
}
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.82);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand p {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
}
.footer-col li {
  font-size: 14px;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.58);
}
.footer-col a {
  color: rgba(255, 255, 255, 0.58);
  transition: color .2s ease;
}
.footer-col a:hover {
  color: var(--color-primary);
}
.footer-copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
}
.footer-copyright a {
  color: rgba(255, 255, 255, 0.4);
}
.footer-copyright a:hover {
  color: var(--color-primary);
}

/* Hero */
.category-hero {
  position: relative;
  background: var(--color-ink);
  color: #fff;
  overflow: hidden;
}
.category-hero-bg {
  position: absolute;
  inset: 0;
  background: url("/assets/images/backpic/back-3.webp") center 30% / cover no-repeat;
  opacity: 0.55;
}
.category-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(23, 24, 28, 0.92) 0%, rgba(23, 24, 28, 0.62) 55%, rgba(23, 24, 28, 0.25) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 72px 0 64px;
}
.hero-copy {
  flex: 1.1;
}
.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}
.hero-chip::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--color-ink);
  border-radius: 50%;
}
.category-hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.category-hero h1 .accent {
  color: var(--color-primary);
}
.hero-sub {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 28px;
}
.stat-item {
  flex: 1;
  padding-right: 28px;
  margin-right: 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}
.stat-item:last-child {
  border-right: none;
  margin-right: 0;
  padding-right: 0;
}
.stat-num {
  font-family: var(--font-num);
  font-size: 40px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}
.hero-visual {
  flex: 0.9;
  position: relative;
}
.hero-visual-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-img);
  padding: 12px;
  backdrop-filter: blur(6px);
}
.hero-visual-card img {
  border-radius: 14px;
  width: 100%;
  height: 340px;
  object-fit: cover;
}
.hero-visual-tag {
  position: absolute;
  bottom: -18px;
  left: -18px;
  background: var(--color-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 14px;
  box-shadow: var(--shadow-hard);
}

/* Chip bar */
.chip-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 5;
}
.chip-bar-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  overflow-x: auto;
}
.chip-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-muted);
  margin-right: 4px;
  white-space: nowrap;
}
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: all .25s ease;
  border: 1px solid transparent;
}
.chip:hover {
  background: rgba(205, 240, 58, 0.25);
  border-color: var(--color-primary);
}
.chip.active {
  background: var(--color-primary);
  color: var(--color-ink);
  border-color: var(--color-primary);
}

/* Core content */
.core-section {
  padding: var(--space-section) 0;
}
.core-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.core-copy .lead {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 20px;
}
.core-list {
  margin-top: 24px;
  display: grid;
  gap: 16px;
}
.core-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 16px 18px;
  transition: box-shadow .25s ease, transform .25s ease;
}
.core-list li:hover {
  box-shadow: var(--shadow-hover);
  transform: translateX(4px);
}
.core-list-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: rgba(205, 240, 58, 0.2);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-primary-deep);
  font-weight: 800;
}
.core-list-text h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}
.core-list-text p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
}
.core-media {
  position: relative;
}
.core-media img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius-img);
  box-shadow: var(--shadow-hover);
}
.core-media-badge {
  position: absolute;
  top: 20px;
  right: -14px;
  background: var(--color-ink);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 14px;
  box-shadow: var(--shadow-hard);
  transform: rotate(2deg);
}

/* Gear picks */
.gear-section {
  background: var(--color-surface);
  padding: var(--space-section) 0;
}
.gear-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.9fr 1.1fr;
  gap: 24px;
}
.gear-card {
  position: relative;
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow .3s ease, transform .3s ease;
}
.gear-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.gear-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.gear-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.gear-card:hover .gear-media img {
  transform: scale(1.03);
}
.gear-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(23, 24, 28, 0.78);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}
.gear-body {
  padding: 18px;
}
.gear-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.35;
}
.gear-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
}
.gear-price {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 800;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}
.gear-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  background: var(--color-ink);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: 10px;
  transition: background .2s ease, transform .2s ease;
}
.gear-btn:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

/* Scenarios */
.scenarios-section {
  padding: var(--space-section) 0;
  background: var(--color-canvas);
}
.scenario-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 1fr;
  gap: 24px;
  align-items: start;
}
.scenario-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all .3s ease;
}
.scenario-card:nth-child(2) {
  margin-top: 40px;
}
.scenario-card:nth-child(3) {
  margin-top: 16px;
}
.scenario-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.scenario-media {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.scenario-card:hover .scenario-media img {
  transform: scale(1.04);
}
.scenario-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(360deg, rgba(23, 24, 28, 0.45) 0%, transparent 55%);
}
.scenario-label {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.scenario-body {
  padding: 18px 20px 22px;
}
.scenario-body p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}
.scenario-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.scenario-link::after {
  content: "→";
  transition: transform .2s ease;
}
.scenario-link:hover {
  color: var(--color-accent);
}
.scenario-link:hover::after {
  transform: translateX(4px);
}

/* Training flow */
.flow-section {
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-section) 0;
}
.flow-section .section-title {
  color: #fff;
}
.flow-section .section-desc {
  color: rgba(255, 255, 255, 0.62);
}
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
  position: relative;
}
.flow-grid::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, rgba(205, 240, 58, 0.2) 100%);
}
.flow-step {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 8px;
}
.flow-num {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: var(--color-primary);
  color: var(--color-ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  font-size: 36px;
  font-weight: 800;
  border: 6px solid var(--color-ink);
  box-shadow: 0 0 0 2px var(--color-primary);
}
.flow-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.flow-step p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.56);
}

/* Recommend */
.recommend-section {
  padding: var(--space-section) 0;
  background: var(--color-surface);
}
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.recommend-card {
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}
.recommend-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.recommend-media {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.recommend-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.recommend-card:hover .recommend-media img {
  transform: scale(1.04);
}
.recommend-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
}
.recommend-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.recommend-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}
.recommend-body p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.recommend-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: rgba(23, 24, 28, 0.46);
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
}
.recommend-link {
  display: block;
  text-align: center;
  margin-top: 16px;
  background: var(--color-ink);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 0;
  border-radius: 10px;
  transition: background .2s ease;
}
.recommend-link:hover {
  background: var(--color-accent);
}

/* Trust bar */
.trust-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 0 16px;
  border-right: 1px solid var(--color-border);
}
.trust-item:last-child {
  border-right: none;
}
.trust-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: rgba(205, 240, 58, 0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.trust-text h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}
.trust-text p {
  font-size: 13px;
  color: var(--color-muted);
}

/* FAQ */
.faq-section {
  padding: var(--space-section) 0;
  background: var(--color-canvas);
}
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 16px;
  transition: box-shadow .25s ease;
}
.faq-item:hover {
  box-shadow: var(--shadow-base);
}
.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 28px;
  font-weight: 400;
  color: var(--color-ink);
  transition: transform .3s ease;
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}
.faq-item[open] summary {
  color: var(--color-primary-deep);
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--color-accent);
}
.faq-content {
  padding: 0 24px 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
}

/* CTA */
.cta-banner {
  background: var(--color-primary);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -80px;
  width: 240px;
  height: 240px;
  border: 4px solid rgba(23, 24, 28, 0.14);
  transform: rotate(24deg);
}
.cta-banner::after {
  content: "";
  position: absolute;
  bottom: -40px;
  left: 10%;
  width: 160px;
  height: 160px;
  border: 4px solid rgba(23, 24, 28, 0.1);
  transform: rotate(-18deg);
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta-inner h2 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-ink);
  letter-spacing: -0.5px;
}
.cta-inner p {
  margin-top: 8px;
  font-size: 16px;
  color: rgba(23, 24, 28, 0.7);
  font-weight: 500;
}
.cta-inner .btn {
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 1023px) {
  .hero-inner {
    flex-direction: column;
    padding: 56px 0 48px;
  }
  .hero-visual {
    width: 100%;
    max-width: 480px;
  }
  .hero-visual-card img {
    height: 260px;
  }
  .core-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .core-media img {
    height: 340px;
  }
  .gear-grid {
    grid-template-columns: 1fr 1fr;
  }
  .scenario-grid {
    grid-template-columns: 1fr 1fr;
  }
  .scenario-card:nth-child(3) {
    grid-column: span 2;
  }
  .flow-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px 24px;
  }
  .flow-grid::before {
    display: none;
  }
  .trust-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .trust-item {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 16px;
  }
  .trust-item:nth-child(3),
  .trust-item:nth-child(4) {
    border-bottom: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 767px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .section {
    padding: var(--space-section-mobile) 0;
  }
  .section-title {
    font-size: 26px;
  }
  .header-inner {
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 8px;
    padding-bottom: 8px;
  }
  .main-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    gap: 8px;
    padding-bottom: 4px;
  }
  .nav-link {
    padding: 0 14px;
    min-height: 40px;
    font-size: 14px;
  }
  .header-cta {
    margin-left: auto;
    padding: 0 18px;
    min-height: 40px;
    font-size: 14px;
  }
  .category-hero h1 {
    font-size: 36px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-stats {
    flex-wrap: wrap;
    gap: 16px 0;
  }
  .stat-item {
    flex: 1 1 50%;
    margin-right: 0;
    padding-right: 12px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 12px;
  }
  .stat-item:last-child {
    border-bottom: none;
  }
  .stat-num {
    font-size: 28px;
  }
  .chip-label {
    display: none;
  }
  .chip-bar-inner {
    padding: 12px 20px;
  }
  .core-list li {
    padding: 14px;
  }
  .core-media img {
    height: 240px;
  }
  .gear-grid {
    grid-template-columns: 1fr;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .scenario-card:nth-child(2),
  .scenario-card:nth-child(3) {
    margin-top: 0;
  }
  .scenario-card:nth-child(3) {
    grid-column: span 1;
  }
  .recommend-grid {
    grid-template-columns: 1fr;
  }
  .flow-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .trust-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .trust-item {
    flex-direction: column;
    text-align: center;
    padding: 12px 8px;
    border-bottom: none;
  }
  .trust-item:nth-child(odd) {
    border-right: 1px solid var(--color-border);
  }
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .cta-inner h2 {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual-tag {
    left: 8px;
    bottom: -14px;
    font-size: 12px;
    padding: 10px 14px;
  }
}
@media (max-width: 520px) {
  .btn {
    width: 100%;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .stat-item {
    flex: 1 1 100%;
  }
  .gear-body {
    padding: 14px;
  }
}