/* roulang page: index */
:root {
  --primary: #E6420D;
  --primary-dark: #C73508;
  --accent: #F2A93B;
  --deep: #0F1A1C;
  --deep-2: #0B1415;
  --paper: #F7F5F0;
  --white: #FFFFFF;
  --mint: #8FE8C0;
  --title-color: #16212B;
  --body-color: #55606B;
  --muted: #8A949E;
  --border: #DCD8D0;
  --border-dark: rgba(255,255,255,0.12);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(15,26,28,0.08);
  --shadow-deep: 0 12px 40px rgba(0,0,0,0.35);
  --font-head: "Source Han Sans SC","Alibaba PuHuiTi","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num: "DIN Alternate","Roboto Mono","Bebas Neue",monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-head); color: var(--body-color); background: var(--paper); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, transform .25s ease, box-shadow .25s ease; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--mint); outline-offset: 2px; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button, input { font-family: inherit; }
.row { max-width: 1280px; margin: 0 auto; }
.row .row { max-width: none; }
.row + .row { margin-top: 28px; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 96px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 48px; flex-wrap: wrap; }
.section-title-wrap { display: flex; align-items: center; gap: 16px; }
.section-icon { width: 52px; height: 52px; border-radius: 16px; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; flex-shrink: 0; box-shadow: 0 8px 20px rgba(230,66,13,0.25); }
.section-title-wrap h2 { font-size: 32px; font-weight: 900; color: var(--title-color); margin: 0; line-height: 1.2; letter-spacing: 0.01em; }
.section-sub { font-size: 13px; color: var(--muted); letter-spacing: 0.04em; font-weight: 500; }
.light .section-title-wrap h2 { color: #fff; }
.light .section-sub { color: rgba(255,255,255,0.6); }
.link-more { color: var(--primary); font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.link-more:hover { color: var(--deep); }
.light .link-more { color: var(--mint); }
.light .link-more:hover { color: #fff; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; padding: 0 26px; border-radius: 12px; font-weight: 700; font-size: 15px; border: 0; cursor: pointer; transition: all .25s ease; white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; box-shadow: 0 8px 24px rgba(230,66,13,0.28); }
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 12px 30px rgba(230,66,13,0.36); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: var(--deep); color: #fff; }
.btn-secondary:hover { background: #24383b; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(15,26,28,0.22); }
.btn-ghost-dark { background: transparent; border: 1.5px solid rgba(255,255,255,0.6); color: #fff; }
.btn-ghost-dark:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: #fff; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,0.15); }
.btn-outline-white { background: transparent; border: 1.5px solid rgba(255,255,255,0.9); color: #fff; }
.btn-outline-white:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.btn-text { display: inline-flex; align-items: center; gap: 8px; color: #fff; font-weight: 700; font-size: 15px; padding: 8px 4px; }
.btn-text:hover { color: var(--mint); }
.tag { display: inline-block; padding: 4px 12px; background: var(--primary); color: #fff; border-radius: 999px; font-size: 12px; font-weight: 600; line-height: 1.5; }
.tag.small { font-size: 11px; padding: 2px 10px; }
.badge-gold { background: linear-gradient(135deg, var(--accent), var(--primary)); color: #fff; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; display: inline-block; line-height: 1.5; white-space: nowrap; }
.site-header { position: sticky; top: 0; z-index: 100; box-shadow: 0 4px 20px rgba(15,26,28,0.12); }
.header-main { background: var(--deep); }
.header-row { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; box-shadow: 0 6px 16px rgba(230,66,13,0.35); }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { color: #fff; font-size: 20px; font-weight: 900; letter-spacing: 0.02em; }
.brand-text small { color: rgba(255,255,255,0.6); font-size: 11px; letter-spacing: 0.08em; margin-top: 3px; }
.search-wrap { flex: 1; position: relative; display: flex; justify-content: center; max-width: 560px; margin: 0 auto; }
.search-form { width: 100%; display: flex; align-items: center; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16); border-radius: 999px; height: 46px; padding: 0 6px 0 16px; transition: all .25s ease; }
.search-form i { color: rgba(255,255,255,0.7); font-size: 14px; }
.search-form input { flex: 1; min-width: 0; background: transparent; border: 0; outline: none; color: #fff; padding: 0 10px; font-size: 14px; }
.search-form input::placeholder { color: rgba(255,255,255,0.5); }
.search-form:focus-within { background: #fff; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(230,66,13,0.18); }
.search-form:focus-within i { color: var(--primary); }
.search-form:focus-within input { color: var(--title-color); }
.search-form:focus-within input::placeholder { color: var(--muted); }
.search-btn { height: 36px; padding: 0 20px; border: 0; border-radius: 999px; background: var(--primary); color: #fff; font-weight: 700; font-size: 14px; cursor: pointer; transition: all .25s ease; }
.search-btn:hover { background: var(--primary-dark); }
.search-suggest { position: absolute; top: calc(100% + 8px); left: 0; right: 0; background: #fff; border-radius: 14px; box-shadow: var(--shadow-deep); padding: 8px; display: none; z-index: 20; }
.search-suggest.show { display: block; }
.search-suggest a { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 8px; color: var(--title-color); font-size: 13px; }
.search-suggest a:hover { background: var(--paper); color: var(--primary); }
.search-suggest i { color: var(--muted); font-size: 12px; }
.header-actions { display: flex; gap: 10px; flex-shrink: 0; }
.header-action { display: flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.75); font-size: 13px; font-weight: 500; padding: 8px 12px; border-radius: 999px; }
.header-action:hover { background: rgba(255,255,255,0.1); color: #fff; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 20px; cursor: pointer; padding: 8px; }
.header-nav { background: var(--paper); border-bottom: 1px solid var(--border); }
.nav-row { display: flex; align-items: center; gap: 32px; height: 44px; overflow-x: auto; }
.nav-link { font-size: 14px; font-weight: 700; color: var(--title-color); white-space: nowrap; position: relative; padding: 10px 0; }
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; background: var(--primary); border-radius: 2px; }
.hero { position: relative; background: var(--deep); color: #fff; padding: 72px 0 120px; overflow: hidden; clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%); }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center / cover no-repeat; opacity: 0.28; }
.hero-glow { position: absolute; width: 620px; height: 620px; right: -140px; top: -180px; background: radial-gradient(circle, rgba(230,66,13,0.32), transparent 65%); pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px); background-size: 44px 44px; pointer-events: none; }
.hero .container, .hero .row { position: relative; z-index: 2; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: var(--accent); background: rgba(255,255,255,0.08); border: 1px solid var(--border-dark); padding: 6px 16px; border-radius: 999px; }
.hero-kicker i { color: var(--mint); }
.hero h1 { font-size: 52px; line-height: 1.15; font-weight: 900; color: #fff; margin: 22px 0 22px; letter-spacing: 0.01em; }
.hero h1 span { color: var(--accent); font-weight: 800; }
.hero-lead { font-size: 16px; line-height: 1.8; color: rgba(255,255,255,0.72); max-width: 46ch; margin: 0 0 34px; }
.hero-cta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.stat-card { position: relative; background: rgba(255,255,255,0.07); border: 1px solid var(--border-dark); border-radius: 20px; padding: 30px 28px 34px; backdrop-filter: blur(6px); box-shadow: var(--shadow-deep); }
.stat-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.1); border: 1px solid var(--border-dark); padding: 4px 12px; border-radius: 999px; margin-bottom: 20px; }
.stat-number .num { font-family: var(--font-num); font-size: 44px; font-weight: 900; color: var(--mint); font-variant-numeric: tabular-nums; line-height: 1.1; }
.stat-labels { display: flex; gap: 20px; margin-top: 16px; }
.stat-labels span { font-size: 13px; color: rgba(255,255,255,0.65); display: inline-flex; align-items: center; gap: 6px; }
.stat-labels i { color: var(--accent); font-size: 12px; }
.live-dot { position: absolute; right: 18px; bottom: 16px; font-size: 12px; color: var(--mint); display: inline-flex; align-items: center; gap: 5px; }
.live-dot i { color: #ff4d4f; font-size: 8px; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.4); } }
.howto { position: relative; background: var(--paper); }
.howto-row { align-items: stretch; }
.timeline { position: relative; padding-left: 28px; border-left: 2px dashed var(--border); margin-top: 8px; }
.timeline-item { position: relative; padding: 0 0 36px 24px; }
.timeline-item:last-child { padding-bottom: 0; }
.tl-num { position: absolute; left: -44px; top: 0; width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; font-family: var(--font-num); font-weight: 700; font-size: 14px; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 16px rgba(230,66,13,0.3); }
.timeline-item h3 { font-size: 18px; font-weight: 800; color: var(--title-color); margin: 0 0 6px; }
.timeline-item p { font-size: 14px; color: var(--muted); margin: 0; }
.howto-card { background: #fff; border-radius: 20px; padding: 28px; box-shadow: var(--shadow-card); height: 100%; display: flex; flex-direction: column; }
.howto-media { border-radius: 14px; overflow: hidden; margin-bottom: 22px; }
.howto-media img { width: 100%; height: 220px; object-fit: cover; }
.howto-card h3 { font-size: 20px; font-weight: 800; color: var(--title-color); margin: 0 0 12px; }
.howto-card p { font-size: 14px; color: var(--body-color); margin: 0 0 20px; flex: 1; }
.cal-bar { display: flex; justify-content: space-between; align-items: center; background: var(--deep); color: #fff; border-radius: 16px; padding: 18px 26px; margin-top: 42px; gap: 12px; flex-wrap: wrap; box-shadow: var(--shadow-card); }
.cal-bar .cal-text { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; }
.cal-bar .cal-text i { color: var(--accent); }
.cal-bar a { color: var(--mint); font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.cal-bar a:hover { color: #fff; }
.rewards { position: relative; background: var(--deep); color: #fff; border-bottom: 1px solid var(--border-dark); }
.reward-pool { display: inline-flex; align-items: center; gap: 10px; background: linear-gradient(135deg, var(--accent), var(--primary)); color: #fff; padding: 8px 18px; border-radius: 999px; font-size: 13px; font-weight: 600; box-shadow: 0 8px 22px rgba(242,169,59,0.3); }
.reward-pool strong { font-family: var(--font-num); font-size: 20px; font-weight: 900; }
.reward-card { background: rgba(255,255,255,0.06); border: 1px solid var(--border-dark); border-radius: 20px; padding: 28px; display: flex; gap: 20px; min-height: 178px; transition: transform .25s ease, background .25s ease, box-shadow .25s ease; }
.reward-card:hover { transform: translateY(-4px); background: rgba(255,255,255,0.09); box-shadow: 0 16px 40px rgba(0,0,0,0.25); }
.reward-card-main { background: linear-gradient(135deg, rgba(230,66,13,0.9), rgba(242,169,59,0.6)), var(--deep); }
.reward-card-main:hover { background: linear-gradient(135deg, rgba(230,66,13,0.95), rgba(242,169,59,0.68)), var(--deep); }
.reward-icon { width: 76px; height: 76px; border-radius: 50%; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.18); display: flex; align-items: center; justify-content: center; font-size: 28px; color: var(--accent); flex-shrink: 0; }
.reward-card-main .reward-icon { background: rgba(255,255,255,0.18); color: #fff; }
.reward-info { flex: 1; }
.reward-info h3 { color: #fff; font-size: 20px; font-weight: 800; margin: 0 0 8px; }
.reward-info p { color: rgba(255,255,255,0.72); font-size: 14px; margin: 0 0 16px; line-height: 1.7; }
.reward-meta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.reward-condition { font-size: 12px; color: rgba(255,255,255,0.6); }
.reward-grid + .reward-grid { margin-top: 36px; }
.task-panel { background: var(--deep-2); color: #fff; }
.task-board { background: rgba(255,255,255,0.03); border: 1px solid var(--border-dark); border-radius: 20px; padding: 34px; box-shadow: inset 0 2px 8px rgba(0,0,0,0.2); }
.progress-badge { display: inline-flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.06); border: 1px solid var(--border-dark); padding: 8px 18px; border-radius: 999px; font-size: 13px; color: rgba(255,255,255,0.7); }
.progress-badge strong { font-family: var(--font-num); font-size: 22px; font-weight: 900; color: var(--mint); font-variant-numeric: tabular-nums; }
.task-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
.task-step { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; padding: 20px 12px; display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.step-icon { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 15px; }
.task-step.done .step-icon { background: var(--mint); color: var(--deep-2); }
.task-step.doing .step-icon { background: var(--accent); color: var(--deep-2); animation: glow 2s infinite; }
.task-step.todo .step-icon { background: transparent; border: 1px solid rgba(255,255,255,0.3); color: rgba(255,255,255,0.4); }
@keyframes glow { 0%, 100% { box-shadow: 0 0 0 0 rgba(242,169,59,0.4); } 50% { box-shadow: 0 0 0 8px rgba(242,169,59,0); } }
.step-name { font-weight: 700; font-size: 15px; color: #fff; }
.step-reward { font-size: 12px; color: rgba(255,255,255,0.55); }
.progress-track { position: relative; margin: 32px 0 24px; }
.track-line { height: 8px; background: rgba(255,255,255,0.12); border-radius: 999px; overflow: visible; }
.track-line span { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 999px; position: relative; }
.track-line span::after { content: ""; position: absolute; right: -6px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; background: #fff; border: 4px solid var(--primary); border-radius: 50%; }
.track-num { position: absolute; right: 0; top: -28px; font-family: var(--font-num); font-size: 14px; font-weight: 700; color: var(--mint); font-variant-numeric: tabular-nums; }
.task-actions { display: flex; gap: 14px; justify-content: flex-end; flex-wrap: wrap; }
.news { background: var(--paper); }
.news-feature { position: relative; display: block; border-radius: 20px; overflow: hidden; min-height: 440px; height: 100%; box-shadow: var(--shadow-card); }
.feature-img { width: 100%; height: 100%; }
.feature-img img { width: 100%; height: 440px; object-fit: cover; transition: transform .5s ease; }
.news-feature:hover .feature-img img { transform: scale(1.04); }
.feature-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,26,28,0.92) 0%, rgba(15,26,28,0.3) 58%, rgba(15,26,28,0.15) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 26px; color: #fff; }
.feature-overlay .tag { margin-bottom: 10px; align-self: flex-start; }
.feature-overlay h3 { font-size: 22px; font-weight: 800; color: #fff; margin: 0 0 10px; line-height: 1.35; }
.feature-overlay p { font-size: 14px; color: rgba(255,255,255,0.78); margin: 0 0 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.feature-time { font-size: 13px; color: rgba(255,255,255,0.6); display: inline-flex; align-items: center; gap: 6px; }
.news-list { display: flex; flex-direction: column; gap: 12px; height: 100%; }
.news-item { display: flex; justify-content: space-between; align-items: center; gap: 16px; background: #fff; border-left: 3px solid var(--primary); border-radius: 12px; padding: 18px 22px; box-shadow: var(--shadow-card); transition: all .25s ease; }
.news-item:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(15,26,28,0.12); }
.news-item-main { flex: 1; min-width: 0; }
.news-item-top { display: flex; gap: 12px; align-items: center; margin-bottom: 6px; }
.news-item-top time { font-size: 12px; color: var(--muted); }
.news-item h4 { font-size: 16px; font-weight: 700; color: var(--title-color); margin: 0 0 6px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-item p { font-size: 14px; color: var(--body-color); margin: 0; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-arrow { color: var(--primary); font-size: 20px; font-weight: 700; flex-shrink: 0; transition: transform .25s ease; }
.news-item:hover .news-arrow { transform: translateX(5px); }
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; background: #fff; border: 1px dashed var(--border); border-radius: 20px; padding: 56px 24px; text-align: center; color: var(--muted); box-shadow: var(--shadow-card); }
.empty-state i { font-size: 42px; opacity: 0.4; }
.empty-state p { margin: 0; font-size: 15px; font-weight: 500; }
.cta-banner { position: relative; background: linear-gradient(120deg, #E6420D, #F2A93B); padding: 76px 0; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat; opacity: 0.18; }
.cta-banner::before { content: ""; position: absolute; right: -100px; top: -120px; width: 380px; height: 380px; border-radius: 50%; background: rgba(255,255,255,0.12); pointer-events: none; }
.cta-banner::after { content: ""; position: absolute; left: 18%; bottom: -200px; width: 480px; height: 480px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.18); pointer-events: none; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; color: #fff; position: relative; z-index: 2; }
.cta-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; background: rgba(255,255,255,0.2); border: 1px solid rgba(255,255,255,0.35); padding: 6px 16px; border-radius: 999px; }
.cta-content h2 { font-size: 34px; font-weight: 900; margin: 18px 0 12px; line-height: 1.3; }
.cta-content p { font-size: 15px; margin: 0; opacity: 0.92; max-width: 48ch; }
.cta-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.faq { background: var(--paper); }
ul.accordion.faq-accordion { list-style: none; margin-left: 0; background: transparent; }
.faq-accordion .accordion-item { background: #fff; border-radius: 16px; box-shadow: var(--shadow-card); margin-bottom: 16px; overflow: hidden; border: 1px solid transparent; transition: border-color .25s ease; }
.faq-accordion .accordion-item.is-active { border-color: rgba(230,66,13,0.2); }
.faq-accordion .accordion-title { display: flex; align-items: center; gap: 14px; height: 58px; padding: 0 22px; font-size: 16px; font-weight: 700; color: var(--title-color); background: #fff; border: 0; position: relative; }
.faq-accordion .accordion-title:hover { color: var(--primary); background: #fff; }
.faq-accordion .accordion-title::before, .faq-accordion .accordion-title::after { content: none; }
.faq-num { font-family: var(--font-num); color: var(--primary); font-weight: 700; font-size: 15px; width: 30px; flex-shrink: 0; }
.faq-accordion .faq-icon { margin-left: auto; font-size: 24px; color: var(--primary); font-weight: 300; transition: transform .3s ease; line-height: 1; }
.faq-accordion .accordion-item.is-active .faq-icon { transform: rotate(45deg); }
.faq-accordion .accordion-content { background: #fff; padding: 0 24px 22px 66px; border-left: 4px solid var(--primary); margin-left: 22px; border-bottom-left-radius: 16px; border-bottom-right-radius: 16px; font-size: 14px; color: var(--body-color); line-height: 1.8; }
.faq-accordion .accordion-content p { margin: 0; }
.faq-side { background: var(--deep); color: #fff; border-radius: 20px; padding: 30px; box-shadow: var(--shadow-deep); }
.faq-side h3 { color: #fff; font-size: 20px; font-weight: 800; margin: 0 0 12px; }
.faq-side p { color: rgba(255,255,255,0.7); font-size: 14px; margin: 0 0 22px; line-height: 1.8; }
.site-footer { background: var(--deep); color: rgba(255,255,255,0.7); padding: 72px 0 0; position: relative; }
.site-footer .container { position: relative; z-index: 1; }
.footer-top { padding-bottom: 44px; }
.footer-brand p { font-size: 13px; margin: 20px 0 0; color: rgba(255,255,255,0.55); max-width: 300px; line-height: 1.8; }
.brand-footer .brand-text strong { color: #fff; }
.brand-footer .brand-text small { color: rgba(255,255,255,0.5); }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin: 0 0 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 13px; color: rgba(255,255,255,0.65); }
.footer-col ul a:hover { color: var(--mint); padding-left: 4px; }
.social-row { display: flex; gap: 12px; margin-bottom: 20px; }
.social-row a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.08); border: 1px solid var(--border-dark); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 15px; transition: all .25s ease; }
.social-row a:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-3px); }
.subscribe-form { display: flex; gap: 8px; height: 44px; }
.subscribe-form input { flex: 1; min-width: 0; border-radius: 999px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.08); color: #fff; padding: 0 16px; outline: none; font-size: 13px; transition: all .25s ease; }
.subscribe-form input::placeholder { color: rgba(255,255,255,0.45); }
.subscribe-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(230,66,13,0.2); background: rgba(255,255,255,0.12); }
.subscribe-form button { background: var(--primary); border: 0; border-radius: 999px; padding: 0 18px; color: #fff; font-weight: 700; font-size: 13px; cursor: pointer; transition: background .25s ease; }
.subscribe-form button:hover { background: var(--primary-dark); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; color: rgba(255,255,255,0.45); }
.footer-bottom p { margin: 0; }
@media (max-width: 63.9375em) {
  .section-pad { padding: 72px 0; }
  .header-row { flex-wrap: wrap; height: auto; padding-top: 12px; gap: 12px; }
  .search-wrap { order: 3; width: 100%; max-width: none; flex-basis: 100%; padding-bottom: 12px; }
  .nav-toggle { display: block; margin-left: auto; }
  .header-nav { display: none; }
  .header-nav.open { display: block; }
  .nav-row { flex-direction: column; align-items: flex-start; height: auto; padding: 8px 0; gap: 0; }
  .nav-link { width: 100%; padding: 13px 0; border-bottom: 1px solid var(--border); }
  .nav-link.active::after { display: none; }
  .hero { padding: 56px 0 100px; }
  .hero h1 { font-size: 40px; }
  .hero-side { margin-top: 36px; }
  .stat-card { max-width: 520px; }
  .howto-row .columns + .columns, .news-layout .columns + .columns, .faq .row .columns + .columns { margin-top: 30px; }
  .site-footer .row .columns { margin-bottom: 28px; }
  .footer-top { padding-bottom: 20px; }
  .section-head { margin-bottom: 36px; }
  .task-steps { grid-template-columns: repeat(2, 1fr); }
  .reward-grid + .reward-grid { margin-top: 30px; }
}
@media (max-width: 39.9375em) {
  .section-pad { padding: 56px 0; }
  .container { padding: 0 18px; }
  .header-action span { display: none; }
  .header-action { padding: 8px; }
  .hero { padding: 48px 0 88px; clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%); }
  .hero h1 { font-size: 30px; }
  .hero-lead { font-size: 15px; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .hero-cta .btn, .hero-cta .btn-text { width: 100%; }
  .stat-number .num { font-size: 34px; }
  .stat-labels { flex-direction: column; gap: 8px; }
  .section-title-wrap h2 { font-size: 26px; }
  .section-icon { width: 44px; height: 44px; font-size: 17px; border-radius: 13px; }
  .section-head { align-items: flex-start; flex-direction: column; margin-bottom: 30px; }
  .btn { width: 100%; }
  .timeline { padding-left: 20px; }
  .timeline-item { padding-left: 18px; }
  .tl-num { left: -36px; width: 32px; height: 32px; font-size: 13px; }
  .howto-card, .task-board, .reward-card, .faq-side { padding: 22px; }
  .reward-card { flex-direction: column; gap: 14px; }
  .reward-icon { width: 64px; height: 64px; font-size: 24px; }
  .feature-img img { height: 340px; }
  .news-feature { min-height: 340px; }
  .feature-overlay h3 { font-size: 19px; }
  .news-item { padding: 15px 16px; }
  .news-item p { display: none; }
  .cta-banner { padding: 56px 0; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-content h2 { font-size: 26px; }
  .cta-buttons { width: 100%; }
  .task-actions { flex-direction: column; }
  .task-actions .btn { width: 100%; }
  .cal-bar { flex-direction: column; align-items: flex-start; padding: 16px 20px; }
  .faq-accordion .accordion-title { height: auto; min-height: 52px; padding: 12px 16px; }
  .faq-accordion .accordion-content { padding: 0 16px 18px 16px; margin-left: 12px; }
  .footer-bottom { flex-direction: column; text-align: center; align-items: center; }
  .subscribe-form { flex-direction: column; height: auto; }
  .subscribe-form input { height: 44px; }
  .subscribe-form button { height: 44px; width: 100%; }
}

/* roulang page: article */
:root {
    --primary: #E6420D;
    --accent: #F2A93B;
    --deep: #0F1A1C;
    --light: #F7F5F0;
    --mint: #8FE8C0;
    --text-title: #16212B;
    --text-body: #55606B;
    --text-sub: #8A949E;
    --border-light: #DCD8D0;
    --border-dark: rgba(255,255,255,0.12);
    --card-bg: #FFFFFF;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 24px rgba(15,26,28,0.08);
    --shadow-deep: 0 12px 40px rgba(0,0,0,0.35);
    --transition: all 0.3s ease;
    --font-title: "Source Han Sans SC", "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-body: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-num: "DIN Alternate", "Roboto Mono", "Bebas Neue", monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); font-size: 16px; line-height: 1.75; color: var(--text-body); background: var(--light); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--text-title); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
button, input { font-family: inherit; font-size: inherit; border: none; outline: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.row { display: flex; flex-wrap: wrap; max-width: none; }
.columns { padding-left: 16px; padding-right: 16px; }

/* ============ Header ============ */
.site-header { position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 20px rgba(0,0,0,0.12); }
.header-main { background: var(--deep); padding: 10px 0; }
.header-row { display: flex; align-items: center; gap: 24px; flex-wrap: nowrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; color: #FFFFFF; }
.brand-mark { width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; font-size: 18px; color: #FFFFFF; box-shadow: 0 4px 16px rgba(230,66,13,0.45); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 20px; font-weight: 900; letter-spacing: 1px; color: #FFFFFF; }
.brand-text small { font-size: 11px; color: rgba(255,255,255,0.7); letter-spacing: 2px; font-weight: 500; }
.search-wrap { flex: 1; min-width: 0; max-width: 560px; margin: 0 auto; position: relative; }
.search-form { display: flex; align-items: center; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.18); border-radius: var(--radius-pill); padding: 5px 6px 5px 18px; transition: var(--transition); }
.search-form:focus-within { border-color: var(--primary); background: #FFFFFF; box-shadow: 0 0 0 4px rgba(230,66,13,0.18); }
.search-form i { color: rgba(255,255,255,0.6); font-size: 14px; margin-right: 10px; transition: var(--transition); }
.search-form:focus-within i { color: var(--primary); }
.search-form input { flex: 1; background: transparent; border: none; color: #FFFFFF; font-size: 14px; min-width: 0; }
.search-form:focus-within input { color: var(--text-title); }
.search-form input::placeholder { color: rgba(255,255,255,0.55); }
.search-form:focus-within input::placeholder { color: var(--text-sub); }
.search-btn { background: linear-gradient(135deg, var(--primary), #D43A07); color: #FFFFFF; border-radius: var(--radius-pill); padding: 8px 22px; font-size: 14px; font-weight: 700; cursor: pointer; transition: var(--transition); flex-shrink: 0; }
.search-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.header-action { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.85); padding: 8px 12px; border-radius: var(--radius-md); font-size: 13px; transition: var(--transition); }
.header-action:hover { background: rgba(255,255,255,0.1); color: #FFFFFF; }
.header-action i { font-size: 16px; }
.nav-toggle { display: none; background: transparent; color: #FFFFFF; font-size: 22px; padding: 8px 12px; cursor: pointer; border-radius: var(--radius-md); transition: var(--transition); }
.nav-toggle:hover { background: rgba(255,255,255,0.1); }
.header-nav { background: var(--light); border-bottom: 1px solid var(--border-light); }
.nav-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-height: 44px; }
.nav-link { position: relative; padding: 10px 16px; font-size: 15px; font-weight: 600; color: var(--text-title); border-radius: var(--radius-md); transition: var(--transition); }
.nav-link:hover { color: var(--primary); background: rgba(230,66,13,0.06); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 3px; background: var(--primary); border-radius: var(--radius-pill); }

/* ============ Breadcrumb ============ */
.article-topbar { background: var(--light); border-bottom: 1px solid var(--border-light); padding: 14px 0; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--text-sub); }
.breadcrumb a { color: var(--text-sub); transition: var(--transition); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--text-sub); opacity: 0.6; }
.breadcrumb .current { color: var(--text-title); font-weight: 600; max-width: 340px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ============ Article Main ============ */
.article-page { background: var(--light); }
.article-wrap { padding: 48px 0 80px; }
.article-main-col { flex: 0 0 calc(66.6667% - 32px); max-width: calc(66.6667% - 32px); margin-left: 16px; margin-right: 16px; }
.article-side-col { flex: 0 0 calc(33.3333% - 32px); max-width: calc(33.3333% - 32px); margin-left: 16px; margin-right: 16px; }
.article-main-col article { background: var(--card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 48px 48px 40px; }
.article-header { margin-bottom: 36px; }
.article-header h1 { font-family: var(--font-title); font-size: 38px; font-weight: 900; line-height: 1.22; color: var(--text-title); margin-bottom: 18px; letter-spacing: -0.02em; }
.article-excerpt { font-size: 16px; line-height: 1.8; color: var(--text-sub); padding: 16px 20px; background: #F9F7F3; border-left: 4px solid var(--accent); border-radius: 0 12px 12px 0; margin-bottom: 20px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 20px; padding-top: 16px; border-top: 1px solid var(--border-light); font-size: 13px; color: var(--text-sub); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--primary); font-size: 14px; }
.article-content { font-size: 16px; line-height: 1.8; color: var(--text-body); }
.article-content p { max-width: 72ch; margin-bottom: 20px; }
.article-content strong { color: var(--text-title); font-weight: 700; }
.article-content a { color: var(--primary); border-bottom: 1px solid rgba(230,66,13,0.3); }
.article-content a:hover { color: var(--deep); border-color: var(--deep); }
.article-content h2 { font-family: var(--font-title); font-size: 26px; font-weight: 800; color: var(--text-title); margin: 44px 0 18px; padding-left: 16px; border-left: 4px solid var(--primary); line-height: 1.4; }
.article-content h3 { font-size: 20px; font-weight: 700; color: var(--text-title); margin: 34px 0 14px; line-height: 1.4; }
.article-content h4 { font-size: 17px; font-weight: 700; color: var(--text-title); margin: 26px 0 12px; }
.article-content ul { margin: 20px 0; padding-left: 4px; }
.article-content ul li { position: relative; padding-left: 24px; margin-bottom: 10px; max-width: 72ch; }
.article-content ul li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 8px; height: 8px; background: var(--primary); border-radius: 2px; transform: rotate(45deg); }
.article-content ol { margin: 20px 0; padding-left: 24px; list-style: decimal; counter-reset: article-ol; }
.article-content ol li { margin-bottom: 10px; padding-left: 8px; max-width: 72ch; }
.article-content ol li::marker { color: var(--primary); font-weight: 700; font-variant-numeric: tabular-nums; }
.article-content blockquote { position: relative; margin: 28px 0; padding: 20px 24px 20px 28px; background: #F4F1EA; border-left: 4px solid var(--accent); border-radius: 0 12px 12px 0; color: var(--text-body); font-size: 15px; }
.article-content blockquote p { margin-bottom: 8px; }
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content img { border-radius: 16px; margin: 28px auto; box-shadow: var(--shadow-card); }
.article-content figure { margin: 28px 0; text-align: center; }
.article-content figure img { margin: 0 auto; }
.article-content figcaption { font-size: 13px; color: var(--text-sub); margin-top: 12px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 14px; border: 1px solid var(--border-light); border-radius: 12px; overflow: hidden; }
.article-content table th { background: var(--deep); color: #FFFFFF; padding: 14px 16px; text-align: left; font-weight: 600; border-bottom: 1px solid var(--border-dark); }
.article-content table td { padding: 13px 16px; border-bottom: 1px solid var(--border-light); color: var(--text-body); }
.article-content table tr:nth-child(even) td { background: #FAF8F4; }
.article-content table tr:last-child td { border-bottom: none; }
.article-content pre, .article-content code { font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace; }
.article-content code { background: rgba(230,66,13,0.08); color: var(--primary); padding: 2px 8px; border-radius: 6px; font-size: 14px; }
.article-content pre { background: var(--deep); color: var(--mint); padding: 24px; border-radius: var(--radius-md); overflow-x: auto; margin: 28px 0; line-height: 1.6; font-size: 14px; }
.article-content pre code { background: transparent; color: inherit; padding: 0; }

/* ============ Not Found ============ */
.not-found { text-align: center; padding: 80px 20px; }
.not-found i { font-size: 52px; color: var(--border-light); margin-bottom: 16px; display: block; }
.not-found p { font-size: 18px; font-weight: 600; color: var(--text-title); margin-bottom: 24px; }

/* ============ Article Pager ============ */
.article-pager { display: flex; gap: 16px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border-light); }
.pager-link { flex: 1; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 20px; border: 1px solid var(--border-light); border-radius: var(--radius-md); font-size: 14px; font-weight: 600; color: var(--text-title); background: #FAF9F6; transition: var(--transition); }
.pager-link:hover { border-color: var(--primary); color: var(--primary); background: #FFFFFF; transform: translateY(-2px); box-shadow: var(--shadow-card); }
.pager-link i { font-size: 14px; }

/* ============ Sidebar ============ */
.article-side { position: sticky; top: 140px; display: flex; flex-direction: column; gap: 24px; }
.side-card { background: var(--card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 26px; }
.side-title { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 800; color: var(--text-title); margin-bottom: 20px; padding-bottom: 14px; border-bottom: 2px solid var(--light); }
.side-title i { color: var(--primary); font-size: 16px; }
.side-list li { padding: 12px 0; border-bottom: 1px solid #F1EFEA; transition: var(--transition); }
.side-list li:last-child { border-bottom: none; padding-bottom: 0; }
.side-list a { display: flex; flex-direction: column; gap: 4px; }
.side-list .side-list-title { font-size: 14px; font-weight: 600; color: var(--text-title); line-height: 1.5; transition: var(--transition); }
.side-list a:hover .side-list-title { color: var(--primary); }
.side-list .side-list-date { font-family: var(--font-num); font-size: 12px; color: var(--text-sub); letter-spacing: 0.02em; }
.side-thumbs li a { flex-direction: row; align-items: center; gap: 14px; }
.side-thumbs img { width: 72px; height: 54px; object-fit: cover; border-radius: 10px; flex-shrink: 0; }
.side-thumbs .side-list-title { font-size: 13px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-thumbs .side-list-date { font-size: 11px; }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* ============ Buttons ============ */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius-md); font-size: 15px; font-weight: 700; cursor: pointer; transition: var(--transition); border: none; line-height: 1.2; }
.button i { font-size: 14px; }
.button.primary { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #FFFFFF; box-shadow: 0 4px 16px rgba(230,66,13,0.3); }
.button.primary:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,66,13,0.4); color: #FFFFFF; }
.button.primary:focus-visible { box-shadow: 0 0 0 4px rgba(143,232,192,0.6); }
.button.ghost { background: transparent; border: 1.5px solid var(--deep); color: var(--deep); }
.button.ghost:hover { background: rgba(15,26,28,0.06); transform: translateY(-2px); }
.button.ghost:active { transform: translateY(0); }
.button.dark { background: var(--deep); color: #FFFFFF; }
.button.dark:hover { background: #000; color: #FFFFFF; transform: translateY(-2px); }

/* ============ Footer ============ */
.site-footer { background: var(--deep); color: rgba(255,255,255,0.75); padding: 64px 0 0; }
.footer-top { padding-bottom: 44px; gap: 24px 0; }
.brand-footer { margin-bottom: 16px; color:#fff; }
.brand-footer .brand-text strong { color:#fff; }
.brand-footer .brand-text small { color:rgba(255,255,255,0.65); }
.footer-col h4 { color: #FFFFFF; font-size: 16px; font-weight: 700; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.6); font-size: 14px; transition: var(--transition); }
.footer-col ul a:hover { color: var(--mint); padding-left: 6px; }
.footer-col p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 34ch; }
.social-row { display: flex; gap: 12px; margin-bottom: 18px; }
.social-row a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); font-size: 16px; transition: var(--transition); }
.social-row a:hover { background: var(--primary); color: #FFFFFF; transform: translateY(-3px); }
.subscribe-form { display: flex; gap: 8px; }
.subscribe-form input { flex: 1; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); color: #FFFFFF; border-radius: var(--radius-pill); padding: 10px 16px; font-size: 13px; min-width: 0; }
.subscribe-form input::placeholder { color: rgba(255,255,255,0.4); }
.subscribe-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(230,66,13,0.18); }
.subscribe-form button { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #FFFFFF; border-radius: var(--radius-pill); padding: 10px 20px; font-size: 13px; font-weight: 700; cursor: pointer; transition: var(--transition); flex-shrink: 0; }
.subscribe-form button:hover { filter: brightness(1.1); }
.footer-bottom { border-top: 1px solid var(--border-dark); padding: 20px 0; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,0.4); }

/* ============ Responsive ============ */
@media screen and (max-width: 63.9375em) {
    .article-wrap { padding: 32px 24px 60px; }
    .article-main-col, .article-side-col { flex: 0 0 100%; max-width: 100%; margin-left: 0; margin-right: 0; }
    .article-side { position: static; margin-top: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .article-side .btn-block { grid-column: 1 / -1; }
    .header-row { gap: 16px; }
    .search-wrap { order: 3; flex-basis: 100%; max-width: none; margin: 0; }
    .header-main { padding-bottom: 14px; }
    .article-header h1 { font-size: 32px; }
    .article-main-col article { padding: 36px 28px; }
}
@media screen and (min-width: 40em) and (max-width: 63.9375em) {
    .search-wrap { order: 3; flex-basis: 100%; max-width: none; margin: 8px 0 0; }
}
@media screen and (max-width: 39.9375em) {
    .header-row { flex-wrap: wrap; }
    .header-actions { display: none; }
    .nav-toggle { display: block; }
    .search-wrap { order: 3; flex-basis: 100%; max-width: none; margin: 8px 0 0; }
    .nav-row { display: none; flex-direction: column; align-items: stretch; padding: 8px 0; }
    .header-nav.open .nav-row { display: flex; }
    .nav-link { display: block; padding: 12px 16px; }
    .nav-link.active::after { display: none; }
    .article-wrap { padding: 20px 16px 48px; }
    .article-main-col article { padding: 28px 20px; }
    .article-header h1 { font-size: 26px; }
    .article-excerpt { padding: 14px 16px; font-size: 14px; }
    .article-meta { gap: 12px; }
    .article-pager { flex-direction: column; }
    .article-side { grid-template-columns: 1fr; }
    .article-content h2 { font-size: 22px; }
    .article-content h3 { font-size: 18px; }
    .article-content img { border-radius: 12px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .subscribe-form { flex-direction: column; }
    .subscribe-form button { width: 100%; }
}

/* roulang page: category1 */
:root{
  --primary:#E6420D;
  --primary-2:#F2A93B;
  --dark:#0F1A1C;
  --dark-2:#162B2E;
  --light:#F7F5F0;
  --white:#FFFFFF;
  --mint:#8FE8C0;
  --text-heading:#16212B;
  --text-body:#55606B;
  --text-muted:#8A949E;
  --border-color:#DCD8D0;
  --border-dark:rgba(255,255,255,0.12);
  --radius-lg:20px;
  --radius-md:12px;
  --radius-full:999px;
  --shadow-card:0 8px 24px rgba(15,26,28,0.08);
  --shadow-hover:0 16px 36px rgba(15,26,28,0.14);
  --shadow-dark:0 12px 40px rgba(0,0,0,0.35);
  --space-section:96px;
  --font-sans:"Source Han Sans SC","Alibaba PuHuiTi","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Roboto Mono","Bebas Neue",monospace;
}
*,*::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(--text-body);background:var(--light);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
ul,ol{list-style:none;}
h1,h2,h3,h4{color:var(--text-heading);line-height:1.3;}
.container{max-width:1280px;margin:0 auto;padding:0 24px;}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:100;box-shadow:0 2px 14px rgba(15,26,28,0.12);}
.header-main{background:var(--dark);padding:14px 0;}
.header-row{display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-2));display:flex;align-items:center;justify-content:center;color:#fff;font-size:19px;box-shadow:0 4px 14px rgba(230,66,13,0.35);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:22px;font-weight:900;color:#fff;letter-spacing:0.02em;}
.brand-text small{font-size:11px;color:rgba(255,255,255,0.55);font-weight:500;letter-spacing:0.12em;}
.search-wrap{flex:1;max-width:580px;margin:0 auto;position:relative;}
.search-form{display:flex;align-items:center;background:rgba(255,255,255,0.1);border:1px solid var(--border-dark);border-radius:var(--radius-full);overflow:hidden;transition:border-color .25s,background .25s,box-shadow .25s;}
.search-form:focus-within{border-color:var(--primary);background:rgba(255,255,255,0.16);box-shadow:0 0 0 4px rgba(230,66,13,0.18);}
.search-form>i{color:rgba(255,255,255,0.55);padding-left:18px;font-size:14px;}
.search-form input[type="search"]{flex:1;background:transparent;border:none;color:#fff;padding:10px 12px;font-size:15px;outline:none;min-width:0;}
.search-form input[type="search"]::placeholder{color:rgba(255,255,255,0.45);}
.search-btn{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border:none;padding:0 24px;height:42px;font-size:15px;font-weight:700;transition:filter .25s,transform .25s;}
.search-btn:hover{filter:brightness(1.1);}
.header-actions{display:flex;gap:8px;flex-shrink:0;}
.header-action{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,0.75);padding:8px 14px;border-radius:var(--radius-full);font-size:14px;font-weight:500;transition:color .25s,background .25s;}
.header-action:hover{color:#fff;background:rgba(255,255,255,0.12);}
.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border-radius:12px;color:#fff;font-size:20px;background:rgba(255,255,255,0.08);}
.header-nav{background:var(--light);border-bottom:1px solid var(--border-color);}
.nav-row{display:flex;align-items:center;height:48px;gap:2px;}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--text-body);padding:13px 18px;white-space:nowrap;}
.nav-link:hover{color:var(--primary);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;background:var(--primary);border-radius:3px 3px 0 0;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 30px;border-radius:var(--radius-md);font-size:15px;font-weight:700;transition:transform .25s,box-shadow .25s,filter .25s,background .25s,color .25s;border:1.5px solid transparent;}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 6px 18px rgba(230,66,13,0.3);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 10px 26px rgba(230,66,13,0.4);}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px var(--mint),0 6px 18px rgba(230,66,13,0.3);}
.btn-ghost-dark{background:transparent;border-color:rgba(15,26,28,0.32);color:var(--dark);}
.btn-ghost-dark:hover{background:rgba(15,26,28,0.06);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,0.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,0.14);transform:translateY(-2px);}

/* ===== 分类 Hero ===== */
.category-hero{position:relative;padding:72px 0 80px;background:linear-gradient(108deg,rgba(15,26,28,0.95) 0%,rgba(15,26,28,0.82) 55%,rgba(22,43,46,0.68) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;overflow:hidden;}
.category-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);background-size:36px 36px;pointer-events:none;}
.hero-breadcrumb{font-size:13px;color:rgba(255,255,255,0.6);margin-bottom:20px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.hero-breadcrumb a{color:rgba(255,255,255,0.6);transition:color .25s;}
.hero-breadcrumb a:hover{color:var(--mint);}
.hero-breadcrumb .sep{color:rgba(255,255,255,0.35);}
.hero-title{font-size:52px;font-weight:900;color:#fff;line-height:1.12;margin-bottom:16px;letter-spacing:0.01em;}
.hero-subtitle{font-size:17px;color:rgba(255,255,255,0.82);max-width:540px;margin-bottom:34px;}
.hero-tags{display:flex;gap:12px;flex-wrap:wrap;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.1);border:1px solid var(--border-dark);border-radius:var(--radius-full);padding:7px 18px;font-size:14px;color:rgba(255,255,255,0.9);font-weight:500;}
.hero-tag i{color:var(--mint);}
.hero-card{background:rgba(255,255,255,0.07);border:1px solid var(--border-dark);border-radius:var(--radius-lg);padding:30px;backdrop-filter:blur(4px);position:relative;overflow:hidden;}
.hero-card::after{content:"";position:absolute;top:-40px;right:-40px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(230,66,13,0.35),transparent 70%);}
.hero-card-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--mint);background:rgba(143,232,192,0.12);padding:5px 14px;border-radius:999px;font-weight:700;letter-spacing:0.08em;}
.hero-card-num{font-family:var(--font-num);font-size:46px;font-weight:900;color:var(--mint);margin:18px 0 4px;font-variant-numeric:tabular-nums;line-height:1;}
.hero-card-num small{font-size:16px;font-weight:600;color:rgba(255,255,255,0.6);margin-left:4px;}
.hero-card-desc{font-size:14px;color:rgba(255,255,255,0.62);}
.hero-card-divider{height:1px;background:var(--border-dark);margin:20px 0;}
.hero-card-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,0.75);padding:4px 0;}
.hero-card-row strong{color:#fff;font-family:var(--font-num);font-size:16px;font-weight:700;}

/* ===== 区块通用 ===== */
.section-spaced{padding:var(--space-section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;flex-wrap:wrap;}
.section-title{font-size:32px;font-weight:800;color:var(--text-heading);line-height:1.25;display:flex;align-items:center;gap:12px;}
.section-title .title-icon{width:44px;height:44px;border-radius:14px;background:rgba(230,66,13,0.12);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:19px;flex-shrink:0;}
.section-title-en{font-family:var(--font-num);font-size:13px;color:var(--text-muted);letter-spacing:0.16em;font-weight:600;display:block;margin-top:6px;}
.section-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--primary);border:1.5px solid rgba(230,66,13,0.3);padding:8px 20px;border-radius:999px;transition:background .25s,color .25s,gap .25s,border-color .25s;}
.section-link:hover{background:var(--primary);color:#fff;gap:12px;border-color:var(--primary);}

/* ===== 精选内容区 ===== */
.spotlight-section{background:var(--light);position:relative;}
.spotlight-section::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--primary-2));z-index:1;}
.spot-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease;height:100%;display:flex;flex-direction:column;border:1px solid rgba(220,216,208,0.5);}
.spot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.spot-card .card-img{position:relative;aspect-ratio:16/9;overflow:hidden;}
.spot-card.large .card-img{aspect-ratio:16/8;}
.spot-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.spot-card:hover .card-img img{transform:scale(1.04);}
.card-tag{position:absolute;top:14px;left:14px;background:var(--primary);color:#fff;padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:0.05em;box-shadow:0 4px 12px rgba(230,66,13,0.28);}
.card-body{padding:24px;flex:1;display:flex;flex-direction:column;}
.spot-card.large .card-body{padding:30px;}
.card-title{font-size:20px;font-weight:800;line-height:1.4;color:var(--text-heading);margin-bottom:12px;transition:color .25s;}
.spot-card:hover .card-title{color:var(--primary);}
.card-desc{font-size:15px;line-height:1.75;color:var(--text-body);margin-bottom:18px;flex:1;}
.card-meta{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--text-muted);border-top:1px solid var(--border-color);padding-top:16px;flex-wrap:wrap;}
.card-meta i{color:var(--primary);}
.card-meta .meta-num{font-family:var(--font-num);font-weight:600;}

/* ===== 内容索引区 ===== */
.index-section{background:var(--light);padding-bottom:var(--space-section);}
.index-wrap{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);border:1px solid rgba(220,216,208,0.5);padding:42px 40px 24px;position:relative;overflow:hidden;}
.index-wrap::before{content:"";position:absolute;top:0;left:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--primary),var(--primary-2));}
.index-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:14px;}
.index-head h3{font-size:24px;font-weight:800;color:var(--text-heading);}
.live-badge{display:inline-flex;align-items:center;gap:8px;background:#EAF6F0;color:#0E7A5A;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:700;}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--mint);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(143,232,192,0.6);}50%{box-shadow:0 0 0 6px rgba(143,232,192,0);}}
.index-list li{display:flex;align-items:center;gap:20px;padding:20px 8px;border-bottom:1px solid var(--border-color);transition:background .25s,border-radius .25s;}
.index-list li:hover{background:var(--light);border-radius:12px;}
.index-list li:last-child{border-bottom:none;}
.index-date{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--primary);min-width:64px;font-variant-numeric:tabular-nums;}
.index-cat{background:var(--light);border:1px solid var(--border-color);padding:3px 14px;border-radius:999px;font-size:12px;color:var(--text-body);white-space:nowrap;font-weight:600;transition:border-color .25s,color .25s;}
.index-list li:hover .index-cat{border-color:rgba(230,66,13,0.3);color:var(--primary);}
.index-text{flex:1;min-width:0;}
.index-title{font-size:15px;font-weight:700;color:var(--text-heading);line-height:1.5;transition:color .25s;}
.index-list li:hover .index-title{color:var(--primary);}
.index-summary{font-size:13px;color:var(--text-muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:440px;}
.index-arrow{color:var(--text-muted);font-size:14px;transition:transform .25s,color .25s;flex-shrink:0;}
.index-list li:hover .index-arrow{color:var(--primary);transform:translateX(4px);}

/* ===== CTA 区 ===== */
.cta-section{background:linear-gradient(120deg,#0F1A1C 0%,#162B2E 55%,#1C3A3D 100%);padding:80px 0;position:relative;overflow:hidden;}
.cta-section::before{content:"";position:absolute;width:340px;height:340px;background:radial-gradient(circle,rgba(230,66,13,0.3),transparent 65%);bottom:-140px;right:8%;}
.cta-section::after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(255,255,255,0.08);border-radius:50%;top:-70px;left:6%;}
.cta-card{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-label{color:var(--mint);font-size:13px;font-weight:700;letter-spacing:0.14em;display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.cta-title{color:#fff;font-size:32px;font-weight:800;line-height:1.3;margin-bottom:12px;}
.cta-desc{color:rgba(255,255,255,0.7);font-size:16px;max-width:520px;}
.cta-buttons{display:flex;gap:16px;flex-wrap:wrap;}

/* ===== FAQ ===== */
.faq-section{background:var(--white);padding:var(--space-section) 0;}
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{margin-top:8px;}
.accordion-item{background:var(--white);border:1px solid var(--border-color);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:box-shadow .3s,border-color .3s;box-shadow:0 2px 8px rgba(15,26,28,0.04);}
.accordion-item.is-active{border-color:rgba(230,66,13,0.3);box-shadow:0 8px 24px rgba(230,66,13,0.08);}
.accordion-title{display:flex!important;align-items:center;gap:18px;width:100%;padding:20px 24px!important;text-align:left;font-size:16px;font-weight:700!important;color:var(--text-heading)!important;background:transparent!important;border:none!important;line-height:1.5;transition:color .25s;}
.accordion-title:hover{color:var(--primary);}
.accordion-num{font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--primary);width:34px;height:34px;border-radius:50%;background:rgba(230,66,13,0.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.accordion-icon{margin-left:auto;color:var(--primary);transition:transform .3s;font-size:18px;flex-shrink:0;}
.accordion-item.is-active .accordion-icon{transform:rotate(45deg);}
.accordion-content{display:none;padding:0 24px 24px!important;color:var(--text-body)!important;font-size:15px;line-height:1.8;border:none!important;background:transparent!important;}
.accordion-item.is-active .accordion-content{display:block;}
.accordion-content-inner{margin-left:52px;padding-left:20px;border-left:3px solid var(--primary);}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,0.65);padding:64px 0 0;font-size:14px;line-height:1.8;}
.footer-top{padding-bottom:44px;border-bottom:1px solid var(--border-dark);}
.brand-footer{margin-bottom:16px;}
.brand-footer .brand-text strong{font-size:20px;}
.footer-brand-desc{font-size:14px;color:rgba(255,255,255,0.55);max-width:280px;margin-top:12px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:0.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,0.6);transition:color .25s,padding-left .25s;}
.footer-col a:hover{color:var(--mint);padding-left:4px;}
.social-row{display:flex;gap:10px;margin-bottom:18px;}
.social-row a{width:38px;height:38px;border-radius:50%;border:1px solid var(--border-dark);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.7);transition:border-color .25s,color .25s,background .25s,transform .25s;}
.social-row a:hover{border-color:var(--mint);color:var(--mint);background:rgba(143,232,192,0.08);transform:translateY(-2px);}
.subscribe-form{display:flex;align-items:center;border:1px solid var(--border-dark);border-radius:var(--radius-full);padding:4px;background:rgba(255,255,255,0.04);transition:border-color .25s,box-shadow .25s;}
.subscribe-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(230,66,13,0.15);}
.subscribe-form input{flex:1;background:transparent;border:none;color:#fff;padding:8px 14px;font-size:14px;outline:none;min-width:0;}
.subscribe-form input::placeholder{color:rgba(255,255,255,0.4);}
.subscribe-form button{background:var(--primary);color:#fff;border:none;border-radius:var(--radius-full);padding:8px 22px;font-size:14px;font-weight:700;transition:filter .25s;}
.subscribe-form button:hover{filter:brightness(1.1);}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:22px 0;font-size:13px;color:rgba(255,255,255,0.4);}

/* ===== 响应式 ===== */
@media screen and (max-width:64em){
  :root{--space-section:72px;}
  .header-row{flex-wrap:wrap;gap:12px;}
  .search-wrap{order:3;width:100%;max-width:100%;margin:10px 0 0;}
  .hero-title{font-size:40px;}
  .hero-card{margin-top:28px;}
  .section-title{font-size:28px;}
  .cta-title{font-size:28px;}
  .index-summary{max-width:260px;}
}
@media screen and (max-width:40em){
  :root{--space-section:56px;}
  .header-main{padding:12px 0;}
  .header-row{flex-wrap:wrap;gap:10px;}
  .header-actions .header-action span{display:none;}
  .header-action{padding:9px;font-size:16px;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .search-wrap{order:3;margin-top:8px;}
  .search-btn{padding:0 16px;font-size:14px;height:38px;}
  .header-nav{display:block;max-height:0;overflow:hidden;transition:max-height .35s ease;}
  .header-nav.open{max-height:240px;}
  .nav-row{flex-direction:column;align-items:stretch;height:auto;padding:6px 0;}
  .nav-link{padding:14px 18px;border-bottom:1px solid var(--border-color);}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:rgba(230,66,13,0.07);border-radius:10px;color:var(--primary);}
  .category-hero{padding:50px 0 56px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:15px;max-width:100%;}
  .hero-tag{font-size:13px;padding:6px 14px;}
  .section-title{font-size:24px;}
  .section-title .title-icon{width:38px;height:38px;font-size:16px;}
  .section-link{padding:7px 16px;font-size:13px;}
  .spot-card.large .card-img{aspect-ratio:16/9;}
  .spot-card.large .card-body{padding:22px;}
  .index-wrap{padding:26px 20px 16px;}
  .index-list li{flex-wrap:wrap;gap:8px 12px;padding:16px 4px;}
  .index-date{min-width:48px;font-size:13px;}
  .index-cat{display:none;}
  .index-summary{max-width:100%;white-space:normal;}
  .index-arrow{display:none;}
  .cta-section{padding:60px 0;}
  .cta-title{font-size:25px;}
  .cta-buttons{width:100%;}
  .btn{width:100%;}
  .faq-wrap{max-width:100%;}
  .accordion-title{padding:18px 18px!important;gap:12px;font-size:15px;}
  .accordion-content{padding:0 18px 20px!important;}
  .accordion-content-inner{margin-left:0;padding-left:16px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center;}
}

/* roulang page: category2 */
:root {
            --primary: #E6420D;
            --primary-grad: linear-gradient(135deg, #E6420D 0%, #F2A93B 100%);
            --accent: #F2A93B;
            --mint: #8FE8C0;
            --dark: #0F1A1C;
            --dark-soft: rgba(255, 255, 255, 0.06);
            --light: #F7F5F0;
            --card-bg: #FFFFFF;
            --title-color: #16212B;
            --body-color: #55606B;
            --muted-color: #8A949E;
            --border-light: #DCD8D0;
            --border-dark: rgba(255, 255, 255, 0.12);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(15, 26, 28, 0.08);
            --shadow-deep: 0 12px 40px rgba(0, 0, 0, 0.35);
            --space-section-desktop: 96px;
            --space-section-tablet: 72px;
            --space-section-mobile: 56px;
            --font-sans: "Source Han Sans SC", "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Bebas Neue", monospace;
        }

        *,
        *::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(--body-color);
            background: var(--light);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--title-color);
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: var(--space-section-desktop) 0;
        }

        @media (max-width: 64em) {
            .section {
                padding: var(--space-section-tablet) 0;
            }
        }

        @media (max-width: 40em) {
            .section {
                padding: var(--space-section-mobile) 0;
            }
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--title-color);
        }

        .section-title .en-note {
            font-size: 14px;
            font-weight: 500;
            color: var(--muted-color);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-left: 12px;
        }

        .section-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }

        .section-more i {
            margin-left: 4px;
            transition: transform 0.2s ease;
        }

        .section-more:hover i {
            transform: translateX(4px);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(15, 26, 28, 0.18);
        }

        .header-main {
            background: var(--dark);
        }

        .header-row {
            display: flex;
            align-items: center;
            gap: 24px;
            min-height: 72px;
            padding-top: 10px;
            padding-bottom: 10px;
        }

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

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: var(--primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 4px 14px rgba(230, 66, 13, 0.45);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text strong {
            font-size: 22px;
            font-weight: 900;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .brand-text small {
            font-size: 12px;
            color: var(--mint);
            font-weight: 600;
            letter-spacing: 0.08em;
        }

        .search-wrap {
            flex: 1;
            max-width: 640px;
            margin: 0 auto;
            position: relative;
        }

        .search-form {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-pill);
            padding: 4px 4px 4px 16px;
            height: 46px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
        }

        .search-form:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(230, 66, 13, 0.15);
        }

        .search-form i {
            color: var(--mint);
            font-size: 15px;
            margin-right: 10px;
        }

        .search-form:focus-within i {
            color: var(--primary);
        }

        .search-form input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 14px;
        }

        .search-form:focus-within input {
            color: var(--title-color);
        }

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

        .search-btn {
            height: 36px;
            padding: 0 20px;
            border-radius: var(--radius-pill);
            background: var(--primary-grad);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            cursor: pointer;
            transition: filter 0.2s ease, transform 0.2s ease;
        }

        .search-btn:hover {
            filter: brightness(1.08);
            transform: translateY(-1px);
        }

        .search-suggest {
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            right: 0;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-deep);
            padding: 12px;
            display: none;
        }

        .search-wrap:focus-within .search-suggest {
            display: block;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .header-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            padding: 8px 12px;
            border-radius: var(--radius-pill);
            transition: background 0.2s ease, color 0.2s ease;
        }

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

        .header-action i {
            font-size: 16px;
            color: var(--mint);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid var(--border-dark);
        }

        .header-nav {
            background: var(--light);
            border-bottom: 1px solid var(--border-light);
        }

        .nav-row {
            display: flex;
            align-items: center;
            gap: 8px;
            min-height: 44px;
            flex-wrap: wrap;
        }

        .nav-link {
            position: relative;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--title-color);
            border-radius: var(--radius-pill);
            transition: background 0.2s ease, color 0.2s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(230, 66, 13, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        @media (max-width: 40em) {
            .header-main {
                padding: 0;
            }

            .header-row {
                flex-wrap: wrap;
                gap: 10px;
                padding-top: 12px;
                padding-bottom: 12px;
            }

            .search-wrap {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .header-nav {
                display: none;
                border-bottom: none;
            }

            .header-nav.open {
                display: block;
                background: var(--light);
                border-bottom: 1px solid var(--border-light);
            }

            .nav-row {
                flex-direction: column;
                align-items: stretch;
                padding: 8px 16px 16px;
            }

            .nav-link {
                display: block;
                padding: 14px 16px;
                border-radius: 12px;
            }

            .nav-link.active {
                background: rgba(230, 66, 13, 0.08);
            }

            .nav-link.active::after {
                display: none;
            }
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            background: var(--dark) url("/assets/images/backpic/back-2.webp") center center / cover no-repeat;
            padding: 90px 0;
            overflow: hidden;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 26, 28, 0.94) 0%, rgba(15, 26, 28, 0.78) 55%, rgba(15, 26, 28, 0.5) 100%);
            z-index: 1;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .cat-hero-content {
            max-width: 720px;
        }

        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid var(--border-dark);
            color: var(--mint);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .cat-hero-badge i {
            font-size: 12px;
        }

        .cat-hero h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.15;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }

        .cat-hero p {
            font-size: 17px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            max-width: 560px;
        }

        .cat-hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
        }

        .btn-primary {
            background: var(--primary-grad);
            color: #fff;
            box-shadow: 0 8px 20px rgba(230, 66, 13, 0.35);
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(230, 66, 13, 0.4);
            color: #fff;
        }

        .btn-ghost-dark {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-ghost-dark:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-ghost-light {
            background: transparent;
            border: 1.5px solid var(--dark);
            color: var(--dark);
        }

        .btn-ghost-light:hover {
            background: rgba(15, 26, 28, 0.08);
            color: var(--dark);
        }

        .btn-white {
            background: #fff;
            color: var(--dark);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
            color: var(--dark);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .accordion-title:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--mint);
            outline-offset: 2px;
        }

        @media (max-width: 40em) {
            .cat-hero {
                padding: 60px 0 70px;
            }

            .cat-hero h1 {
                font-size: 38px;
            }

            .cat-hero p {
                font-size: 15px;
            }

            .btn {
                flex: 1;
                min-width: 160px;
            }
        }

        /* ===== Featured Section ===== */
        .featured-section {
            background: var(--light);
            padding: var(--space-section-desktop) 0;
        }

        @media (max-width: 64em) {
            .featured-section {
                padding: var(--space-section-tablet) 0;
            }
        }

        @media (max-width: 40em) {
            .featured-section {
                padding: var(--space-section-mobile) 0;
            }
        }

        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 36px rgba(15, 26, 28, 0.14);
        }

        .feature-card .card-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

        .feature-card:hover .card-media img {
            transform: scale(1.05);
        }

        .card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
            box-shadow: 0 4px 12px rgba(230, 66, 13, 0.35);
        }

        .feature-card .card-body {
            padding: 26px 28px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .feature-card h3 {
            font-size: 21px;
            font-weight: 800;
            color: var(--title-color);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--body-color);
            margin-bottom: 18px;
        }

        .card-bottom {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .reward-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, rgba(242, 169, 59, 0.18), rgba(230, 66, 13, 0.12));
            border: 1px solid rgba(242, 169, 59, 0.5);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
        }

        .reward-badge i {
            color: var(--accent);
        }

        .card-link {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card-link i {
            transition: transform 0.2s ease;
        }

        .card-link:hover {
            color: var(--primary);
        }

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

        .featured-row+.featured-row {
            margin-top: 32px;
        }

        @media (max-width: 40em) {
            .feature-card .card-body {
                padding: 20px;
            }

            .feature-card h3 {
                font-size: 18px;
            }
        }

        /* ===== Task Index ===== */
        .task-index-section {
            background: var(--dark);
            padding: var(--space-section-desktop) 0;
            position: relative;
            overflow: hidden;
        }

        .task-index-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(230, 66, 13, 0.12);
            filter: blur(60px);
        }

        .task-index-section .section-title {
            color: #fff;
        }

        .task-index-section .en-note {
            color: rgba(255, 255, 255, 0.5);
        }

        .task-index-section .section-more {
            color: var(--mint);
        }

        .task-index-card {
            background: var(--dark-soft);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.18);
        }

        .task-list {
            margin: 0;
        }

        .task-list li {
            display: grid;
            grid-template-columns: 92px 1fr auto;
            gap: 18px;
            align-items: center;
            padding: 20px 4px;
            border-bottom: 1px solid var(--border-dark);
            transition: background 0.2s ease, padding 0.2s ease;
        }

        .task-list li:last-child {
            border-bottom: none;
        }

        .task-list li:hover {
            background: rgba(255, 255, 255, 0.04);
            padding-left: 12px;
            padding-right: 12px;
            border-radius: 12px;
        }

        .task-date {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 800;
            color: var(--mint);
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }

        .task-list .task-info {
            min-width: 0;
        }

        .task-list .task-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .task-list .task-info p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .task-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--mint);
            font-size: 14px;
            transition: background 0.2s ease, transform 0.2s ease;
            flex-shrink: 0;
        }

        .task-list li:hover .task-arrow {
            background: var(--primary);
            color: #fff;
            transform: translateX(4px);
            border-color: var(--primary);
        }

        .task-index-footer {
            margin-top: 36px;
            text-align: center;
        }

        @media (max-width: 40em) {
            .task-index-card {
                padding: 16px;
            }

            .task-list li {
                grid-template-columns: 68px 1fr auto;
                gap: 12px;
                padding: 16px 0;
            }

            .task-date {
                font-size: 18px;
            }

            .task-list .task-info h4 {
                font-size: 14px;
            }

            .task-list .task-info p {
                display: none;
            }
        }

        /* ===== CTA Section ===== */
        .cta-band {
            background: var(--primary-grad);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            top: -80px;
            right: 10%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
        }

        .cta-band::after {
            content: "";
            position: absolute;
            bottom: -120px;
            left: 5%;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-band .container {
            position: relative;
            z-index: 2;
        }

        .cta-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 32px;
            font-weight: 900;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.92);
            max-width: 560px;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 40em) {
            .cta-wrap {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-text h2 {
                font-size: 26px;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn {
                flex: 1;
            }
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: var(--light);
            padding: var(--space-section-desktop) 0 var(--space-section-desktop) 0;
        }

        @media (max-width: 64em) {
            .faq-section {
                padding: var(--space-section-tablet) 0;
            }
        }

        @media (max-width: 40em) {
            .faq-section {
                padding: var(--space-section-mobile) 0;
            }
        }

        .faq-wrap {
            max-width: 860px;
        }

        .accordion {
            margin: 0;
            background: transparent;
        }

        .accordion-item {
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            border: 1px solid var(--border-light);
            overflow: hidden;
        }

        .accordion-title {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 24px;
            font-size: 17px;
            font-weight: 700;
            color: var(--title-color);
            background: #fff;
            border: none;
            cursor: pointer;
            line-height: 1.4;
            transition: color 0.2s ease, background 0.2s ease;
        }

        .accordion-title:hover {
            background: #fdfaf5;
            color: var(--primary);
        }

        .faq-num {
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 900;
            color: var(--primary);
            background: rgba(230, 66, 13, 0.08);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-icon {
            margin-left: auto;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(15, 26, 28, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            font-size: 14px;
            transition: transform 0.3s ease, background 0.3s ease;
            flex-shrink: 0;
        }

        .accordion-item.is-active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .accordion-content {
            display: none;
            padding: 4px 24px 24px 76px;
            background: #fdfaf5;
            font-size: 15px;
            line-height: 1.75;
            color: var(--body-color);
            border-left: 4px solid var(--primary);
            margin-left: 24px;
            margin-right: 24px;
            margin-bottom: 20px;
            border-radius: 0 0 8px 8px;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        @media (max-width: 40em) {
            .accordion-title {
                padding: 16px;
                font-size: 15px;
                gap: 12px;
            }

            .faq-num {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .accordion-content {
                padding: 4px 16px 16px 16px;
                margin-left: 12px;
                margin-right: 12px;
                margin-bottom: 14px;
            }
        }

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

        .footer-top {
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-dark);
        }

        .brand-footer {
            margin-bottom: 14px;
        }

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

        .site-footer p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-col ul a:hover {
            color: var(--mint);
            padding-left: 4px;
        }

        .social-row {
            display: flex;
            gap: 10px;
            margin-bottom: 18px;
        }

        .social-row a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            transition: background 0.2s ease, transform 0.2s ease;
        }

        .social-row a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-pill);
            padding: 4px;
            max-width: 360px;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 0;
            background: transparent;
            color: #fff;
            font-size: 14px;
            padding: 8px 12px;
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .subscribe-form button {
            background: var(--primary-grad);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: filter 0.2s ease;
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            filter: brightness(1.1);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (max-width: 64em) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 40em) {
            .site-footer {
                padding-top: 48px;
            }

            .footer-top {
                padding-bottom: 24px;
            }

            .footer-col {
                margin-bottom: 28px;
            }
        }