/* roulang page: index */
:root {
    --color-primary: #00E676;
    --color-primary-dark: #00C853;
    --color-primary-hover: #00F28F;
    --color-bg-dark: #0B1220;
    --color-panel-dark: #111C2E;
    --color-bg-light: #F4F7FA;
    --color-card-white: #FFFFFF;
    --color-accent: #F5A623;
    --color-error: #FF5252;
    --color-text-main: #1A2233;
    --color-text-sub: #5A6577;
    --color-text-on-dark: #FFFFFF;
    --color-text-muted-dark: #9AA8B9;
    --color-border-light: #E5EAF0;
    --color-border-dark: rgba(255,255,255,0.10);
    --shadow-base: 0 2px 8px rgba(16,24,40,0.06);
    --shadow-hover: 0 12px 28px rgba(0,0,0,0.12);
    --radius-btn: 10px;
    --radius-card: 16px;
    --radius-input: 22px;
    --radius-badge: 999px;
    --space-section: 80px;
    --space-section-mobile: 48px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-display: "Roboto Condensed", "Oswald", var(--font-sans);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); font-size: 16px; line-height: 1.75; color: var(--color-text-main); background: var(--color-bg-light); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
button, input { font-family: inherit; font-size: inherit; border: none; background: none; outline: none; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 28px; border-radius: var(--radius-btn); font-size: 15px; font-weight: 700; letter-spacing: .02em; cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease; white-space: nowrap; }
.btn-primary { background: var(--color-primary); color: #0B1220; }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,230,118,0.35); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline { background: transparent; color: #E8F1ED; border: 1px solid rgba(255,255,255,0.5); }
.btn-outline:hover { background: rgba(0,230,118,0.15); border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.btn-lg { height: 54px; padding: 0 36px; font-size: 16px; }
.btn-sm { height: 38px; padding: 0 20px; font-size: 14px; }
.badge { display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: var(--radius-badge); font-size: 12px; font-weight: 600; line-height: 1; }
.badge-green { background: #E8F7EE; color: #00A95C; }
.badge-amber { background: #FEF3E2; color: #B26B00; }
.badge-dark { background: rgba(0,230,118,0.15); color: var(--color-primary); }

.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(11,18,32,0.94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.08); }
.header-main { width: 100%; }
.header-row { display: flex; align-items: center; gap: 20px; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark { width: 38px; height: 38px; border-radius: 10px; background: var(--color-primary); color: #0B1220; display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 24px; font-weight: 700; transform: skew(-4deg); box-shadow: 0 4px 14px rgba(0,230,118,0.3); }
.logo-text { color: #FFFFFF; font-size: 19px; font-weight: 700; letter-spacing: .02em; white-space: nowrap; }
.nav-search { flex: 1; max-width: 560px; height: 44px; display: flex; align-items: center; gap: 8px; background: var(--color-bg-light); border-radius: var(--radius-input); padding: 0 16px; border: 2px solid transparent; transition: border-color .2s ease, background .2s ease, box-shadow .2s ease; }
.nav-search:focus-within { background: #FFFFFF; border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(0,230,118,0.15); }
.nav-search svg { width: 16px; height: 16px; color: var(--color-text-sub); flex-shrink: 0; }
.nav-search input { flex: 1; height: 100%; background: transparent; color: var(--color-text-main); font-size: 14px; border: none; }
.nav-search input::placeholder { color: #9AA8B9; }
.nav-search input::-webkit-search-cancel-button { display: none; }
.search-clear { display: none; width: 22px; height: 22px; border-radius: 50%; background: #E2E8F0; color: #5A6577; font-size: 13px; line-height: 20px; text-align: center; cursor: pointer; flex-shrink: 0; transition: background .2s, color .2s; }
.search-clear.show { display: inline-block; }
.search-clear:hover { background: var(--color-primary); color: #0B1220; }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-link { color: #D7DEE8; font-size: 15px; font-weight: 500; position: relative; transition: color .2s ease; white-space: nowrap; }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--color-primary); border-radius: 2px; transition: width .2s ease; }
.nav-link:hover { color: var(--color-primary); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--color-primary); }
.nav-link.active::after { width: 100%; }
.nav-cta { margin-left: 4px; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 10px; cursor: pointer; flex-shrink: 0; }
.menu-toggle span { width: 20px; height: 2px; background: #E8F1ED; border-radius: 2px; transition: transform .3s, opacity .3s; }
.header-search-row { display: none; padding-bottom: 12px; }
.header-search-row .nav-search { max-width: 100%; }
.search-mobile { display: none; }

.hero { position: relative; min-height: 600px; display: flex; align-items: center; background: var(--color-bg-dark); overflow: hidden; padding: 140px 0 80px; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(135deg, rgba(11,18,32,0.35) 0%, rgba(11,18,32,0.75) 55%, rgba(11,18,32,0.95) 100%); }
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero-content { max-width: 660px; }
.hero-badge { display: inline-flex; align-items: center; height: 30px; padding: 0 16px; border-radius: var(--radius-badge); background: rgba(0,230,118,0.15); border: 1px solid rgba(0,230,118,0.3); color: var(--color-primary); font-size: 13px; font-weight: 600; letter-spacing: .05em; margin-bottom: 24px; }
.hero h1 { font-size: 46px; line-height: 1.3; font-weight: 800; color: #FFFFFF; letter-spacing: .01em; }
.hero h1 span { color: var(--color-primary); }
.hero-sub { margin-top: 20px; font-size: 18px; line-height: 1.8; color: #C8D2DC; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 36px; }
.hero-slider-dots { display: flex; gap: 8px; margin-top: 32px; }
.hero-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.35); cursor: pointer; transition: background .3s, width .3s; }
.hero-dot.active { background: var(--color-primary); width: 28px; border-radius: 4px; }
.hero-v { position: absolute; right: 40px; bottom: -50px; font-family: var(--font-display); font-size: 340px; font-weight: 700; color: transparent; -webkit-text-stroke: 2px rgba(0,230,118,0.22); opacity: 0.9; transform: skew(-12deg); z-index: 1; pointer-events: none; line-height: 1; }
.hero-scroll { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 3; color: #C8D2DC; display: flex; flex-direction: column; align-items: center; gap: 4px; transition: color .2s; }
.hero-scroll:hover { color: var(--color-primary); }
.hero-scroll svg { width: 22px; height: 22px; }

.section { padding: var(--space-section) 0; }
.section-light { background: var(--color-bg-light); }
.section-white { background: #FFFFFF; }
.section-dark { background: var(--color-bg-dark); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head h2 { font-size: 30px; font-weight: 800; line-height: 1.3; letter-spacing: .01em; }
.section-head .section-desc { margin-top: 12px; font-size: 15px; color: var(--color-text-sub); line-height: 1.7; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head.light h2 { color: #FFFFFF; }
.section-head.light .section-desc { color: var(--color-text-muted-dark); }

.playbook-grid { position: relative; display: flex; flex-direction: column; gap: 0; }
.playbook-item { display: flex; gap: 34px; position: relative; padding-bottom: 48px; }
.playbook-item:last-child { padding-bottom: 0; }
.playbook-num { flex-shrink: 0; width: 64px; height: 64px; border-radius: 18px; background: rgba(0,230,118,0.12); border: 1px solid rgba(0,230,118,0.28); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--color-primary); position: relative; z-index: 2; }
.playbook-num::after { content: ""; position: absolute; top: 64px; left: 50%; transform: translateX(-50%); width: 2px; height: calc(100% + 48px - 64px); background: linear-gradient(to bottom, var(--color-primary) 0%, rgba(0,230,118,0.15) 100%); }
.playbook-item:last-child .playbook-num::after { display: none; }
.playbook-card { flex: 1; background: var(--color-card-white); border: 1px solid var(--color-border-light); border-radius: var(--radius-card); padding: 28px; box-shadow: var(--shadow-base); transition: transform .3s ease, box-shadow .3s ease, border-color .3s; position: relative; }
.playbook-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(0,230,118,0.4); }
.playbook-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; color: #0B1220; margin-bottom: 16px; }
.playbook-icon svg { width: 22px; height: 22px; }
.playbook-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.playbook-card p { font-size: 15px; color: var(--color-text-sub); line-height: 1.75; }
.playbook-tag { position: absolute; top: 24px; right: 24px; }

.reward-section { background: var(--color-bg-dark); position: relative; overflow: hidden; }
.reward-panel { position: relative; background: var(--color-panel-dark); border: 1px solid rgba(245,166,35,0.12); border-radius: 20px; padding: 48px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.reward-panel::before { content: ""; position: absolute; top: 0; right: 0; width: 260px; height: 260px; background: radial-gradient(circle, rgba(245,166,35,0.08) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.reward-main h2 { color: #FFFFFF; font-size: 28px; font-weight: 800; }
.reward-pool { margin-top: 28px; display: flex; flex-direction: column; gap: 4px; }
.reward-label { color: var(--color-text-muted-dark); font-size: 14px; letter-spacing: .08em; }
.reward-number { font-family: var(--font-display); font-size: 72px; font-weight: 700; line-height: 1.1; background: linear-gradient(135deg, #F5A623 10%, #FFD080 50%, #F5A623 90%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.reward-desc { margin-top: 12px; color: #C8D2DC; font-size: 15px; max-width: 420px; }
.reward-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.reward-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; padding: 28px 16px; text-align: center; transition: border-color .3s, background .3s, transform .3s; }
.reward-card:hover { border-color: rgba(245,166,35,0.55); background: rgba(245,166,35,0.05); transform: translateY(-3px); }
.reward-card-icon { width: 40px; height: 40px; margin: 0 auto 12px; border-radius: 12px; background: rgba(0,230,118,0.15); display: flex; align-items: center; justify-content: center; color: var(--color-primary); }
.reward-card-icon svg { width: 20px; height: 20px; }
.reward-card h4 { color: #FFFFFF; font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.reward-card p { color: var(--color-text-muted-dark); font-size: 13px; line-height: 1.5; }

.task-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.task-panel { background: var(--color-card-white); border: 1px solid var(--color-border-light); border-radius: var(--radius-card); padding: 36px; box-shadow: var(--shadow-base); }
.task-panel h3 { font-size: 22px; font-weight: 800; margin-bottom: 24px; }
.task-item { padding: 14px 0; border-bottom: 1px solid var(--color-border-light); }
.task-item:last-child { border-bottom: none; }
.task-row-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 10px; }
.task-title { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 600; color: var(--color-text-main); }
.task-title svg { width: 18px; height: 18px; color: var(--color-primary); flex-shrink: 0; }
.task-percent { font-family: var(--font-display); font-size: 15px; font-weight: 700; color: var(--color-primary); white-space: nowrap; }
.progress-track { height: 8px; border-radius: var(--radius-badge); background: #1E2A3A; overflow: hidden; }
.progress-fill { display: block; height: 100%; border-radius: var(--radius-badge); background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); transition: width .6s ease; }
.path-steps { display: flex; flex-direction: column; position: relative; }
.path-step { display: flex; align-items: flex-start; gap: 16px; position: relative; padding-bottom: 36px; }
.path-step:last-child { padding-bottom: 0; }
.path-step::before { content: ""; position: absolute; left: 19px; top: 42px; width: 2px; height: calc(100% - 36px); background: #E2E8F0; }
.path-step:last-child::before { display: none; }
.path-dot { width: 40px; height: 40px; border-radius: 50%; background: #E8F7EE; border: 2px solid var(--color-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; position: relative; z-index: 2; color: var(--color-primary); }
.path-dot svg { width: 18px; height: 18px; }
.path-step.locked .path-dot { background: #F0F3F7; border-color: #D5DCE3; color: #9AA8B9; }
.path-step.locked::before { background: #E2E8F0; }
.path-step-text { padding-top: 3px; }
.path-step-text .path-name { font-size: 16px; font-weight: 700; color: var(--color-text-main); }
.path-step.locked .path-name { color: #9AA8B9; }
.path-step-text .path-desc { font-size: 13px; color: var(--color-text-sub); margin-top: 2px; }
.path-step .path-state { margin-left: auto; font-size: 12px; font-weight: 600; color: var(--color-primary); background: #E8F7EE; padding: 4px 10px; border-radius: var(--radius-badge); white-space: nowrap; }
.path-step.locked .path-state { background: #F0F3F7; color: #9AA8B9; }

.events-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.event-card { background: var(--color-card-white); border: 1px solid var(--color-border-light); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-base); transition: transform .3s, box-shadow .3s, border-color .3s; display: flex; flex-direction: column; }
.event-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: rgba(0,230,118,0.35); }
.event-cover { width: 100%; aspect-ratio: 16/9; overflow: hidden; position: relative; }
.event-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.event-card:hover .event-cover img { transform: scale(1.05); }
.event-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(11,18,32,0.3) 100%); }
.event-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.event-badge-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.event-body h3 { font-size: 17px; font-weight: 700; line-height: 1.45; margin-bottom: 8px; transition: color .2s; }
.event-card:hover .event-body h3 { color: var(--color-primary); }
.event-body p { font-size: 14px; color: var(--color-text-sub); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; flex: 1; }
.event-meta { display: flex; align-items: center; gap: 16px; font-size: 12px; color: #9AA8B9; border-top: 1px solid var(--color-border-light); padding-top: 14px; margin-top: auto; }
.event-meta span { display: inline-flex; align-items: center; gap: 5px; }
.event-meta svg { width: 14px; height: 14px; }

.cta-section { background: var(--color-bg-dark); position: relative; overflow: hidden; text-align: center; padding: 80px 0; }
.cta-section::before { content: ""; position: absolute; top: -80px; right: -80px; width: 280px; height: 280px; background: radial-gradient(circle, rgba(0,230,118,0.16) 0%, transparent 70%); border-radius: 50%; }
.cta-section::after { content: ""; position: absolute; bottom: -60px; left: -40px; width: 220px; height: 220px; background: radial-gradient(circle, rgba(245,166,35,0.12) 0%, transparent 70%); border-radius: 50%; }
.cta-inner { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { color: #FFFFFF; font-size: 32px; font-weight: 800; line-height: 1.4; margin-bottom: 16px; }
.cta-inner p { color: var(--color-text-muted-dark); font-size: 16px; line-height: 1.8; margin-bottom: 32px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

.news-section { background: #FFFFFF; }
.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.news-card { display: flex; align-items: stretch; background: var(--color-card-white); border: 1px solid var(--color-border-light); border-radius: var(--radius-card); overflow: hidden; transition: transform .3s, box-shadow .3s, border-color .3s; box-shadow: var(--shadow-base); }
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: rgba(0,230,118,0.35); }
.news-thumb { flex-shrink: 0; width: 140px; min-height: 110px; background-size: cover; background-position: center; position: relative; }
.news-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(11,18,32,0.05) 0%, rgba(11,18,32,0.18) 100%); }
.news-body { flex: 1; padding: 18px 20px; display: flex; flex-direction: column; min-width: 0; }
.news-body h3 { font-size: 16px; font-weight: 700; line-height: 1.5; color: var(--color-text-main); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .2s; }
.news-card:hover .news-body h3 { color: var(--color-primary); }
.news-excerpt { font-size: 13px; color: var(--color-text-sub); line-height: 1.6; margin: 8px 0 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 8px 14px; flex-wrap: wrap; font-size: 12px; color: #9AA8B9; }
.news-meta .badge { flex-shrink: 0; }
.empty-state { grid-column: 1 / -1; background: var(--color-bg-light); border: 1px dashed #D5DCE3; border-radius: var(--radius-card); padding: 48px 24px; text-align: center; }
.empty-icon { width: 56px; height: 56px; margin: 0 auto 12px; border-radius: 50%; background: #E8F7EE; display: flex; align-items: center; justify-content: center; color: var(--color-primary); }
.empty-icon svg { width: 24px; height: 24px; }
.empty-state p { color: var(--color-text-muted-dark); font-size: 14px; }

.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item { background: #FFFFFF; border: 1px solid var(--color-border-light); border-radius: var(--radius-card); margin-bottom: 14px; overflow: hidden; transition: box-shadow .3s, border-color .3s; }
.faq-item.open { box-shadow: var(--shadow-base); border-color: rgba(0,230,118,0.3); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; text-align: left; font-size: 15px; font-weight: 600; color: var(--color-text-main); cursor: pointer; transition: color .2s; min-height: 52px; }
.faq-q:hover { color: var(--color-primary); }
.faq-icon { width: 24px; height: 24px; border-radius: 8px; background: #E8F7EE; display: inline-flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 400; color: var(--color-primary); flex-shrink: 0; transition: transform .3s, background .3s; line-height: 1; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--color-primary); color: #0B1220; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a-inner { padding: 0 22px 20px; color: var(--color-text-sub); font-size: 14px; line-height: 1.8; }
.faq-a p { margin-bottom: 8px; }
.faq-a p:last-child { margin-bottom: 0; }

.footer { background: var(--color-bg-dark); border-top: 2px solid var(--color-primary); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .logo-text { font-size: 20px; }
.footer-brand p { color: var(--color-text-muted-dark); font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 320px; }
.footer-col h4 { color: #FFFFFF; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer-col a { display: block; color: var(--color-text-muted-dark); font-size: 14px; padding: 6px 0; transition: color .2s, transform .2s; }
.footer-col a:hover { color: var(--color-primary); transform: translateX(3px); }
.footer-col .footer-contact { color: var(--color-text-muted-dark); font-size: 14px; padding: 6px 0; display: block; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: #6B7686; }
.footer-bottom a { color: #6B7686; }
.footer-bottom a:hover { color: var(--color-primary); }
.footer-beian { letter-spacing: .02em; }

@media (max-width: 1199px) {
    .nav-search { max-width: 360px; }
    .nav-links { gap: 18px; }
    .hero { min-height: 520px; }
    .hero h1 { font-size: 40px; }
    .reward-panel { grid-template-columns: 1fr; gap: 32px; }
    .reward-cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 991px) {
    .nav-search { max-width: 260px; }
    .nav-link { font-size: 14px; gap: 14px; }
    .events-grid { grid-template-columns: repeat(2, 1fr); }
    .news-list { grid-template-columns: 1fr; }
    .task-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
    .section { padding: var(--space-section-mobile) 0; }
    .header-row { height: 64px; gap: 12px; }
    .nav-search { display: none; }
    .search-desktop { display: none !important; }
    .header-search-row { display: block; }
    .search-mobile { display: flex; }
    .nav-links { position: fixed; top: 110px; left: 0; right: 0; background: var(--color-bg-dark); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 20px; margin: 0; border-bottom: 1px solid rgba(255,255,255,0.08); display: none; z-index: 999; }
    .nav-links.open { display: flex; }
    .nav-link { display: block; padding: 14px 0; font-size: 16px; border-bottom: 1px solid rgba(255,255,255,0.06); white-space: normal; }
    .nav-link::after { display: none; }
    .nav-cta { margin: 16px 0 4px; width: 100%; }
    .menu-toggle { display: flex; }
    .hero { min-height: 540px; padding: 110px 0 70px; }
    .hero-bg { background-position: 70% center; }
    .hero h1 { font-size: 32px; }
    .hero-sub { font-size: 16px; }
    .hero-v { font-size: 180px; right: 12px; bottom: 0; }
    .hero-actions { flex-direction: row; }
    .hero-scroll { display: none; }
    .section-head h2 { font-size: 24px; }
    .playbook-item { flex-direction: column; gap: 16px; padding-bottom: 36px; }
    .playbook-num { width: 50px; height: 50px; font-size: 18px; border-radius: 14px; }
    .playbook-num::after { top: 50px; height: calc(100% + 36px - 50px); left: 25px; transform: none; }
    .playbook-card { padding: 20px; }
    .playbook-tag { position: static; display: inline-flex; margin-top: 10px; }
    .reward-panel { padding: 28px 20px; }
    .reward-number { font-size: 52px; }
    .reward-cards { grid-template-columns: 1fr; gap: 12px; }
    .reward-card { display: flex; align-items: center; text-align: left; padding: 18px 16px; gap: 14px; }
    .reward-card-icon { margin: 0; flex-shrink: 0; }
    .events-grid { grid-template-columns: 1fr; gap: 20px; }
    .news-thumb { width: 100px; min-height: 100px; }
    .news-body { padding: 14px 16px; }
    .news-body h3 { font-size: 15px; }
    .cta-section { padding: 56px 0; }
    .cta-inner h2 { font-size: 26px; }
    .cta-actions { flex-direction: column; align-items: stretch; padding: 0 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .header-search-row { padding: 0 16px 12px; }
    .header-search-row .nav-search { max-width: 100%; height: 42px; }
}
@media (max-width: 520px) {
    .logo-text { font-size: 16px; }
    .logo-mark { width: 32px; height: 32px; font-size: 20px; border-radius: 8px; }
    .hero h1 { font-size: 28px; }
    .hero-sub { font-size: 15px; }
    .btn-lg { height: 48px; padding: 0 24px; font-size: 15px; }
    .playbook-item { gap: 14px; }
    .news-thumb { width: 84px; min-height: 96px; }
    .news-meta { flex-direction: column; align-items: flex-start; gap: 4px; }
}

/* roulang page: category1 */
:root {
  --primary: #00E676;
  --primary-dark: #00C853;
  --primary-hover: #00F28F;
  --bg-dark: #0B1220;
  --panel-dark: #111C2E;
  --bg-light: #F4F7FA;
  --card-white: #FFFFFF;
  --accent: #F5A623;
  --error: #FF5252;
  --text-main: #1A2233;
  --text-sub: #5A6577;
  --text-dark: #FFFFFF;
  --text-dark-sub: #9AA8B9;
  --border-light: #E5EAF0;
  --border-dark: rgba(255,255,255,0.10);
  --shadow-basic: 0 2px 8px rgba(16,24,40,0.06);
  --shadow-hover: 0 12px 28px rgba(0,0,0,0.12);
  --radius-btn: 10px;
  --radius-card: 16px;
  --radius-input: 22px;
  --radius-badge: 999px;
  --space-section: 80px;
  --space-section-mobile: 48px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-display: "Roboto Condensed", "Oswald", "Arial Narrow", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--bg-light); color: var(--text-main); line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-body); }
input { font-family: var(--font-body); }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(11,18,32,0.94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.08); }
.header-main { padding: 12px 0; }
.header-row { display: flex; align-items: center; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { width: 36px; height: 36px; border-radius: 9px; background: var(--primary); color: #0B1220; font-weight: 900; font-size: 19px; display: flex; align-items: center; justify-content: center; letter-spacing: -1px; transition: transform .2s; }
.logo:hover .logo-mark { transform: rotate(-6deg) scale(1.04); }
.logo-text { color: #fff; font-size: 17px; font-weight: 700; white-space: nowrap; letter-spacing: 0.2px; }
.nav-search { flex: 1; max-width: 560px; margin-left: 12px; position: relative; display: flex; align-items: center; }
.nav-search svg { position: absolute; left: 15px; width: 16px; height: 16px; color: #8A94A6; pointer-events: none; }
.nav-search input { width: 100%; height: 44px; border-radius: 22px; border: 2px solid transparent; background: #F4F7FA; padding-left: 42px; padding-right: 38px; font-size: 14px; outline: none; transition: all .2s; color: #1A2233; }
.nav-search input::placeholder { color: #9AA8B9; }
.nav-search input:focus { background: #fff; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(0,230,118,.15); }
.search-clear { position: absolute; right: 12px; width: 20px; height: 20px; border-radius: 50%; background: rgba(90,101,119,.2); color: #5A6577; font-size: 11px; display: none; align-items: center; justify-content: center; transition: background .2s; }
.search-clear:hover { background: rgba(90,101,119,.35); }
.nav-links { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav-link { color: #fff; font-size: 14px; font-weight: 500; position: relative; padding: 6px 2px; transition: color .2s; }
.nav-link::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--primary); border-radius: 2px; transition: width .25s; }
.nav-link:hover { color: var(--primary-hover); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--primary); }
.btn { display: inline-flex; align-items: center; justify-content: center; font-weight: 700; border-radius: var(--radius-btn); transition: all .2s; border: 1px solid transparent; }
.btn-primary { background: var(--primary); color: #0B1220; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,230,118,.35); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline { border-color: rgba(255,255,255,.7); color: #fff; background: transparent; }
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: #fff; transform: translateY(-2px); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 13px; }
.btn-lg { height: 54px; padding: 0 36px; font-size: 16px; }
.nav-cta { margin-left: 4px; }
.menu-toggle { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; background: transparent; border-radius: 8px; transition: background .2s; }
.menu-toggle:hover { background: rgba(255,255,255,.08); }
.menu-toggle span { display: block; height: 2px; width: 24px; background: #fff; border-radius: 2px; transition: all .25s; }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.header-search-row { display: none; padding-bottom: 14px; }

/* ===== Category Hero ===== */
.category-hero { position: relative; margin-top: 72px; background: linear-gradient(115deg, rgba(11,18,32,.98) 0%, rgba(11,18,32,.88) 45%, rgba(17,28,46,.72) 75%, rgba(17,28,46,.55) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat; min-height: 440px; display: flex; align-items: center; overflow: hidden; }
.category-hero::after { content: 'V'; position: absolute; right: -30px; bottom: -80px; font-size: 320px; font-weight: 900; font-family: var(--font-display); color: var(--primary); opacity: .07; pointer-events: none; line-height: 1; letter-spacing: -20px; }
.category-hero .container { position: relative; z-index: 2; }
.hero-breadcrumb { font-size: 13px; color: var(--text-dark-sub); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.hero-breadcrumb a { color: var(--text-dark-sub); transition: color .2s; }
.hero-breadcrumb a:hover { color: var(--primary); }
.hero-breadcrumb .sep { color: rgba(255,255,255,.3); }
.hero-breadcrumb span { color: var(--primary); }
.category-hero h1 { font-size: 42px; line-height: 1.3; color: #fff; font-weight: 800; margin-bottom: 14px; letter-spacing: -0.5px; }
.category-hero .hero-sub { font-size: 17px; color: #C8D2DC; max-width: 640px; line-height: 1.8; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions .btn-outline { color: #fff; }
.hero-scroll { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); width: 24px; height: 40px; border: 2px solid rgba(255,255,255,.4); border-radius: 14px; display: flex; justify-content: center; padding-top: 7px; }
.hero-scroll::after { content: ''; width: 4px; height: 8px; background: var(--primary); border-radius: 4px; animation: scrollHint 1.8s infinite; }
@keyframes scrollHint { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { transform: translateY(0); opacity: 0; } }

/* ===== Section base ===== */
.section { padding: var(--space-section) 0; }
.section-light { background: var(--bg-light); }
.section-white { background: #fff; }
.section-dark { background: var(--bg-dark); }
.section-head { margin-bottom: 48px; }
.section-head .section-tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--primary-dark); background: #E8F7EE; border-radius: var(--radius-badge); padding: 5px 14px; margin-bottom: 12px; letter-spacing: .5px; }
.section-head h2 { font-size: 30px; line-height: 1.35; font-weight: 800; color: var(--text-main); letter-spacing: -0.3px; }
.section-head p { font-size: 15px; color: var(--text-sub); margin-top: 10px; max-width: 680px; }
.section-head.center { text-align: center; }
.section-head.center p { margin-left: auto; margin-right: auto; }

/* ===== Feature alternating ===== */
.feature-block { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-bottom: 56px; }
.feature-block:last-child { margin-bottom: 0; }
.feature-block.reverse .feature-img { order: 2; }
.feature-img { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-basic); position: relative; }
.feature-img img { width: 100%; height: 300px; object-fit: cover; transition: transform .4s; }
.feature-img:hover img { transform: scale(1.03); }
.feature-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(11,18,32,.2) 0%, transparent 50%); pointer-events: none; }
.feature-tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--primary-dark); background: #E8F7EE; border-radius: var(--radius-badge); padding: 4px 12px; margin-bottom: 12px; }
.feature-block h3 { font-size: 24px; line-height: 1.4; color: var(--text-main); margin-bottom: 14px; font-weight: 800; }
.feature-block p { font-size: 15px; color: var(--text-sub); line-height: 1.85; }
.feature-points { margin-top: 14px; }
.feature-points li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-main); padding: 4px 0; }
.feature-points li::before { content: '✓'; display: flex; align-items: center; justify-content: center; width: 18px; height: 18px; border-radius: 50%; background: rgba(0,230,118,.15); color: var(--primary-dark); font-size: 11px; font-weight: 700; flex-shrink: 0; }

/* ===== Match cards ===== */
.match-cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.match-card { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-basic); transition: all .3s; display: flex; flex-direction: column; }
.match-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(0,230,118,.4); }
.match-card-img { aspect-ratio: 16/9; overflow: hidden; position: relative; }
.match-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.match-card:hover .match-card-img img { transform: scale(1.05); }
.match-card-badge { position: absolute; top: 12px; left: 12px; z-index: 2; font-size: 11px; font-weight: 600; padding: 4px 12px; border-radius: var(--radius-badge); background: rgba(11,18,32,.72); color: #fff; backdrop-filter: blur(6px); }
.match-card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.match-card-body h3 { font-size: 16px; line-height: 1.5; font-weight: 700; margin-bottom: 8px; transition: color .2s; }
.match-card:hover .match-card-body h3 { color: var(--primary-dark); }
.match-card-body p { font-size: 13px; color: var(--text-sub); line-height: 1.7; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.match-card-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: #8A94A6; margin-top: auto; }
.match-card-meta .cat-badge { background: #E8F7EE; color: var(--primary-dark); padding: 3px 10px; border-radius: var(--radius-badge); font-weight: 500; }
.match-card-meta .time { display: flex; align-items: center; gap: 4px; }

/* ===== Stats ===== */
.stats-inner { background: var(--panel-dark); border: 1px solid var(--border-dark); border-radius: 20px; padding: 56px 48px; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.stat-item .stat-num { font-family: var(--font-display); font-size: 64px; font-weight: 700; line-height: 1.1; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-item .stat-suffix { font-size: 20px; color: var(--primary); margin-left: 4px; }
.stat-item .stat-label { font-size: 14px; color: var(--text-dark-sub); margin-top: 8px; }
.stat-item .stat-desc { font-size: 13px; color: var(--text-dark-sub); opacity: .7; margin-top: 4px; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-list { background: #fff; border: 1px solid var(--border-light); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-basic); }
.faq-item { border-bottom: 1px solid var(--border-light); transition: background .2s; }
.faq-item:last-child { border-bottom: none; }
.faq-item.open { background: #F8FAFC; }
.faq-q { display: flex; align-items: center; justify-content: space-between; width: 100%; height: 56px; padding: 0 22px; font-size: 15px; font-weight: 600; color: var(--text-main); text-align: left; transition: color .2s; }
.faq-q:hover { color: var(--primary-dark); }
.faq-icon { font-size: 22px; color: var(--primary-dark); font-weight: 300; transition: transform .25s; width: 20px; text-align: center; flex-shrink: 0; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { padding: 0 22px 22px; display: none; font-size: 14px; color: var(--text-sub); line-height: 1.85; }

/* ===== CTA ===== */
.category-cta { background: var(--bg-dark); position: relative; overflow: hidden; padding: 72px 0; }
.category-cta::before { content: ''; position: absolute; top: -40px; right: -40px; width: 240px; height: 240px; border-radius: 50%; background: radial-gradient(circle, rgba(0,230,118,.18) 0%, transparent 65%); }
.category-cta::after { content: ''; position: absolute; bottom: -30px; left: -30px; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(circle, rgba(245,166,35,.12) 0%, transparent 70%); }
.category-cta .container { position: relative; z-index: 2; text-align: center; }
.category-cta h2 { font-size: 32px; color: #fff; font-weight: 800; margin-bottom: 12px; }
.category-cta p { font-size: 16px; color: var(--text-dark-sub); margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.footer { background: var(--bg-dark); color: var(--text-dark-sub); padding: 64px 0 24px; border-top: 2px solid var(--primary); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: #7C8899; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px; letter-spacing: .3px; }
.footer-col a { display: block; font-size: 14px; color: #7C8899; padding: 5px 0; transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: var(--primary); padding-left: 4px; }
.footer-contact { display: block; font-size: 14px; color: #7C8899; padding: 5px 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 22px; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-size: 12px; color: #6B7686; }
.footer-beian { color: #6B7686; }

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .nav-search { max-width: 400px; }
  .nav-links { gap: 16px; }
}
@media (max-width: 991px) {
  .nav-links { gap: 12px; }
  .nav-link { font-size: 13px; }
  .logo-text { font-size: 15px; }
  .match-cards-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stats-inner { padding: 44px 28px; }
  .stat-item .stat-num { font-size: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .section { padding: var(--space-section-mobile) 0; }
  .container { padding: 0 16px; }
  .header-main { padding: 10px 0 0; }
  .header-row { flex-wrap: wrap; }
  .nav-search.search-desktop { display: none; }
  .header-search-row { display: block; }
  .header-search-row .nav-search { max-width: 100%; margin: 0 0 10px; }
  .nav-links { display: none; position: fixed; top: 112px; left: 0; right: 0; background: rgba(11,18,32,.98); backdrop-filter: blur(12px); flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 16px 16px; border-bottom: 1px solid var(--border-dark); z-index: 99; }
  .nav-links.open { display: flex; }
  .nav-links .nav-link { width: 100%; padding: 12px 8px; font-size: 15px; border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav-links .nav-link::after { display: none; }
  .nav-cta { width: 100%; margin: 12px 0 0; height: 44px; }
  .menu-toggle { display: flex; margin-left: auto; }
  .nav-search input { height: 42px; }
  .category-hero { min-height: 400px; margin-top: 62px; padding: 48px 0; }
  .category-hero h1 { font-size: 30px; }
  .category-hero .hero-sub { font-size: 15px; }
  .hero-actions .btn-lg { height: 48px; padding: 0 26px; font-size: 14px; }
  .feature-block { grid-template-columns: 1fr; gap: 24px; }
  .feature-block.reverse .feature-img { order: 0; }
  .feature-img img { height: 200px; }
  .match-cards-grid { grid-template-columns: 1fr; gap: 20px; }
  .stats-grid { grid-template-columns: 1fr; gap: 28px; }
  .stat-item .stat-num { font-size: 48px; }
  .stats-inner { padding: 36px 20px; }
  .section-head h2 { font-size: 24px; }
  .faq-q { height: 52px; font-size: 14px; padding: 0 16px; }
  .faq-a { padding: 0 16px 16px; font-size: 13px; }
  .category-cta { padding: 56px 0; }
  .category-cta h2 { font-size: 26px; }
  .footer { padding: 48px 0 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}
@media (min-width: 768px) {
  .header-search-row { display: none !important; }
}

/* roulang page: article */
:root {
    --green: #00E676;
    --green-dark: #00C853;
    --green-hover: #00F28F;
    --carbon: #0B1220;
    --panel: #111C2E;
    --light-bg: #F4F7FA;
    --white: #FFFFFF;
    --gold: #F5A623;
    --error: #FF5252;
    --text-main: #1A2233;
    --text-sub: #5A6577;
    --text-light: #9AA8B9;
    --text-deep: #FFFFFF;
    --border-light: #E5EAF0;
    --border-dark: rgba(255,255,255,0.10);
    --radius-btn: 10px;
    --radius-card: 16px;
    --radius-pill: 22px;
    --radius-badge: 999px;
    --shadow-base: 0 2px 8px rgba(16,24,40,0.06);
    --shadow-hover: 0 12px 28px rgba(0,0,0,0.12);
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: "Oswald", "Roboto Condensed", "Arial Narrow", sans-serif;
    --space-section: 80px;
    --space-section-mobile: 48px;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-main);
    background: var(--light-bg);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    padding-top: 72px;
}
img {
    max-width: 100%;
    display: block;
}
a {
    text-decoration: none;
    color: inherit;
}
button, input, select, textarea {
    font: inherit;
    border: none;
    outline: none;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.main {
    min-height: 60vh;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    background: var(--green);
    color: var(--carbon) !important;
    font-weight: 700;
    font-size: 15px;
    border-radius: var(--radius-btn);
    cursor: pointer;
    transition: all .25s ease;
    white-space: nowrap;
}
.btn:hover {
    background: var(--green-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,230,118,0.35);
}
.btn:active {
    transform: translateY(0);
    box-shadow: none;
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--green);
    color: var(--green) !important;
}
.btn-outline:hover {
    background: rgba(0,230,118,0.12);
    box-shadow: 0 8px 20px rgba(0,230,118,0.15);
}
.btn-sm {
    height: 40px;
    padding: 0 20px;
    font-size: 14px;
}
.badge {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 10px;
    border-radius: var(--radius-badge);
    background: #E8F7EE;
    color: #00A95C;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}
.badge-gold {
    background: #FEF3E2;
    color: #B26B00;
}
/* ===== Header / Nav ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(11,18,32,0.94);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-dark);
}
.header-main {
    padding: 10px 0;
}
.header-row {
    display: flex;
    align-items: center;
    gap: 20px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--green);
    color: var(--carbon);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
    line-height: 1;
    flex-shrink: 0;
}
.logo-text {
    color: #fff;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.2px;
    white-space: nowrap;
}
.nav-search {
    flex: 1;
    max-width: 560px;
    display: flex;
    align-items: center;
    height: 44px;
    background: #F4F7FA;
    border-radius: var(--radius-pill);
    padding: 0 16px;
    gap: 8px;
    border: 2px solid transparent;
    transition: all .25s ease;
    margin: 0 auto;
}
.nav-search:focus-within {
    background: #fff;
    border-color: var(--green);
    box-shadow: 0 0 0 4px rgba(0,230,118,0.15);
}
.nav-search svg {
    width: 16px;
    height: 16px;
    color: #5A6577;
    flex-shrink: 0;
}
.nav-search input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-main);
    font-size: 14px;
    min-width: 0;
}
.nav-search input::placeholder {
    color: #9AA8B9;
}
.search-clear {
    display: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #D5DCE3;
    border: none;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #5A6577;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    flex-shrink: 0;
}
.nav-link {
    color: #9AA8B9;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 8px;
    transition: color .2s ease;
    position: relative;
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--green);
}
.nav-link.active {
    color: #fff;
}
.nav-link.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    background: var(--green);
    border-radius: 2px;
}
.nav-cta {
    margin-left: 8px;
}
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 10px;
    cursor: pointer;
    padding: 0 8px;
    flex-shrink: 0;
}
.menu-toggle span {
    display: block;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all .3s ease;
}
.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
.header-search-row {
    display: none;
}
/* ===== Article page ===== */
.article-main {
    padding: 48px 0 80px;
}
.article-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-sub);
    margin-bottom: 24px;
    gap: 4px;
}
.breadcrumb a {
    color: var(--text-sub);
    transition: color .2s ease;
}
.breadcrumb a:hover {
    color: var(--green);
}
.breadcrumb .bc-sep {
    margin: 0 6px;
    color: #C0C8D0;
}
.breadcrumb .bc-current {
    color: var(--green);
    font-weight: 500;
}
.article-shell {
    background: var(--white);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-base);
    padding: 44px 56px;
}
.article-title {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: 16px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--text-sub);
    padding-bottom: 20px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-description {
    font-size: 16px;
    line-height: 1.85;
    color: var(--text-sub);
    background: #F8FAFC;
    border-left: 4px solid var(--green);
    padding: 18px 22px;
    border-radius: 0 10px 10px 0;
    margin: 0 0 32px;
}
.article-body {
    font-size: 16px;
    line-height: 1.85;
    color: var(--text-main);
    word-break: break-word;
}
.article-body p {
    margin-bottom: 1.5em;
}
.article-body h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-main);
    margin: 1.6em 0 0.7em;
    line-height: 1.4;
    position: relative;
    padding-left: 16px;
}
.article-body h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 4px;
    background: var(--green);
    border-radius: 2px;
}
.article-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    margin: 1.4em 0 0.5em;
}
.article-body ul,
.article-body ol {
    margin: 0 0 1.5em;
    padding-left: 1.4em;
}
.article-body li {
    margin-bottom: 0.4em;
}
.article-body blockquote {
    border-left: 4px solid var(--green);
    background: #E8F7EE;
    padding: 16px 20px;
    border-radius: 0 10px 10px 0;
    margin: 24px 0;
    color: var(--text-sub);
}
.article-body img {
    max-width: 100%;
    border-radius: 12px;
    margin: 24px auto;
}
.article-body a {
    color: #00A95C;
    font-weight: 600;
    border-bottom: 1px solid rgba(0,169,92,0.3);
    transition: border-color .2s;
}
.article-body a:hover {
    border-color: var(--green);
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    border-radius: 10px;
    overflow: hidden;
    font-size: 14px;
}
.article-body table th,
.article-body table td {
    padding: 10px 14px;
    border: 1px solid var(--border-light);
    text-align: left;
}
.article-body table th {
    background: var(--carbon);
    color: #fff;
    font-weight: 600;
}
.article-body table tr:nth-child(even) td {
    background: #F8FAFC;
}
.article-body code {
    background: #F0F3F6;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
}
/* ===== Prev / Next ===== */
.prev-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}
.pn-card {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 20px 24px;
    transition: all .25s ease;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.pn-card:hover {
    transform: translateX(-4px);
    border-color: var(--green);
    box-shadow: var(--shadow-hover);
}
.pn-card.pn-next:hover {
    transform: translateX(4px);
}
.pn-label {
    font-size: 12px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
}
.pn-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.45;
}
/* ===== Related ===== */
.related {
    margin-top: 56px;
}
.related-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
}
.related-head h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-main);
}
.related-more {
    font-size: 14px;
    color: var(--text-sub);
    transition: color .2s;
}
.related-more:hover {
    color: var(--green);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: all .25s ease;
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.related-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--light-bg);
}
.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.related-card:hover .related-thumb img {
    transform: scale(1.05);
}
.related-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.related-body h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.45;
    margin: 10px 0 12px;
    color: var(--text-main);
    transition: color .2s;
}
.related-card:hover .related-body h3 {
    color: #00A95C;
}
.related-meta {
    margin-top: auto;
    font-size: 12px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}
/* ===== CTA ===== */
.cta-banner {
    margin-top: 56px;
    background: linear-gradient(105deg, rgba(11,18,32,0.94) 0%, rgba(14,26,44,0.90) 55%, rgba(0,230,118,0.10) 100%), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
    border-radius: 20px;
    padding: 56px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-banner h2 {
    color: #fff;
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 12px;
}
.cta-banner p {
    color: var(--text-light);
    max-width: 540px;
    margin: 0 auto 28px;
    font-size: 15px;
    line-height: 1.8;
}
.back-link {
    margin-top: 28px;
    text-align: center;
}
.back-link a {
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 500;
    transition: color .2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.back-link a:hover {
    color: var(--green);
}
/* ===== Not found ===== */
.not-found-wrap {
    padding: 80px 0;
}
.not-found-card {
    max-width: 640px;
    margin: 0 auto;
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-base);
    padding: 56px 48px;
    text-align: center;
}
.not-found-card h1 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-main);
}
.not-found-card p {
    color: var(--text-sub);
    margin-bottom: 28px;
    font-size: 15px;
}
/* ===== Footer ===== */
.footer {
    background: var(--carbon);
    color: var(--text-light);
    padding: 64px 0 28px;
    border-top: 2px solid var(--green);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}
.footer-brand .logo-text {
    color: #fff;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.75;
    margin-top: 16px;
    max-width: 320px;
}
.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    color: var(--text-light);
    font-size: 14px;
    padding: 5px 0;
    transition: color .2s ease;
}
.footer-col a:hover {
    color: var(--green);
}
.footer-contact {
    display: block;
    color: var(--text-light);
    font-size: 14px;
    padding: 5px 0;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: #6B7686;
}
.footer-beian {
    color: #6B7686;
}
/* ===== Responsive ===== */
@media (min-width: 768px) {
    .header-search-row {
        display: none !important;
    }
    .nav-search.search-mobile {
        display: none !important;
    }
}
@media (max-width: 991px) {
    .nav-search {
        max-width: 420px;
    }
    .nav-link {
        padding: 8px 10px;
        font-size: 13px;
    }
    .related-grid {
        gap: 16px;
    }
    .article-shell {
        padding: 36px 36px;
    }
}
@media (max-width: 767px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .header-main {
        padding: 10px 0 0;
    }
    .header-row {
        gap: 12px;
    }
    .nav-search.search-desktop {
        display: none !important;
    }
    .header-search-row {
        display: block;
        padding-bottom: 12px;
    }
    .nav-search.search-mobile {
        display: flex;
        max-width: none;
        margin: 0;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(11,18,32,0.98);
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        padding: 16px 24px 24px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .nav-links.open {
        display: flex;
    }
    .nav-link {
        color: #9AA8B9;
        font-size: 15px;
        padding: 10px 0;
        width: 100%;
    }
    .nav-link.active::after {
        left: 0;
        right: auto;
        width: 24px;
        bottom: 6px;
    }
    .nav-cta {
        margin-left: 0;
        margin-top: 8px;
        width: 100%;
    }
    .menu-toggle {
        display: flex;
        margin-left: auto;
    }
    .logo-text {
        font-size: 16px;
    }
    .logo-mark {
        width: 32px;
        height: 32px;
        font-size: 17px;
    }
    .article-main {
        padding: 32px 0 56px;
    }
    .article-shell {
        padding: 28px 20px;
    }
    .article-title {
        font-size: 26px;
    }
    .article-description {
        font-size: 15px;
        padding: 14px 16px;
    }
    .article-body {
        font-size: 15px;
        line-height: 1.8;
    }
    .prev-next {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .related-head h2 {
        font-size: 24px;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .cta-banner {
        padding: 40px 20px;
    }
    .cta-banner h2 {
        font-size: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px 24px;
    }
    .footer-bottom {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
}
@media (max-width: 520px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .article-meta {
        gap: 10px;
    }
    .not-found-card {
        padding: 40px 24px;
    }
}

/* roulang page: category2 */
:root {
    --primary: #00E676;
    --primary-dark: #00C853;
    --primary-hover: #00F28F;
    --primary-glow: rgba(0, 230, 118, 0.15);
    --bg-dark: #0B1220;
    --panel-dark: #111C2E;
    --bg-light: #F4F7FA;
    --card-white: #FFFFFF;
    --accent-gold: #F5A623;
    --accent-gold-bg: #FEF3E2;
    --accent-gold-text: #B26B00;
    --danger: #FF5252;
    --text-main: #1A2233;
    --text-sub: #5A6577;
    --text-dark-main: #FFFFFF;
    --text-dark-sub: #9AA8B9;
    --border-light: #E5EAF0;
    --border-dark: rgba(255, 255, 255, 0.10);
    --shadow-base: 0 2px 8px rgba(16, 24, 40, 0.06);
    --shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.12);
    --radius-btn: 10px;
    --radius-card: 16px;
    --radius-input: 22px;
    --radius-badge: 999px;
    --space-section: 80px;
    --space-card: 28px;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: "Oswald", "Roboto Condensed", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    --container-max: 1200px;
    --header-h: 72px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-main);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

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

/* ===== Header 导航 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 18, 32, 0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-dark);
}

.header-main {
    position: relative;
}

.header-row {
    height: var(--header-h);
    display: flex;
    align-items: center;
    gap: 24px;
}

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

.logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #0B1220;
    font-weight: 800;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    text-transform: uppercase;
}

.logo-text {
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.nav-search {
    flex: 1;
    max-width: 560px;
    height: 44px;
    background: #F4F7FA;
    border-radius: var(--radius-input);
    display: flex;
    align-items: center;
    padding: 0 8px 0 18px;
    gap: 8px;
    border: 2px solid transparent;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.nav-search:focus-within {
    background: #FFFFFF;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.nav-search svg {
    width: 18px;
    height: 18px;
    color: #5A6577;
    flex-shrink: 0;
}

.nav-search input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    color: var(--text-main);
    height: 100%;
    min-width: 0;
}

.nav-search input::placeholder {
    color: #9AA8B9;
}

.search-clear {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9AA8B9;
    font-size: 13px;
    transition: background-color 0.2s;
    flex-shrink: 0;
}

.search-clear:hover {
    background: #E5EAF0;
    color: var(--text-main);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: auto;
    flex-shrink: 0;
}

.nav-link {
    color: #C8D2DC;
    font-size: 15px;
    font-weight: 500;
    position: relative;
    padding: 6px 0;
    white-space: nowrap;
    transition: color 0.25s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    border-radius: var(--radius-btn);
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    white-space: nowrap;
    transition: transform 0.2s ease, box-shadow 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.btn-primary {
    background: var(--primary);
    color: #0B1220;
    border: 2px solid transparent;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 230, 118, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn-secondary {
    background: transparent;
    color: #FFFFFF;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-sm {
    height: 40px;
    padding: 0 22px;
    font-size: 14px;
}

.btn-lg {
    height: 54px;
    padding: 0 36px;
    font-size: 16px;
}

.nav-cta {
    margin-left: 4px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    border-radius: var(--radius-btn);
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: #FFFFFF;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.header-search-row {
    display: none;
    padding-bottom: 14px;
    padding-top: 2px;
}

.search-mobile {
    width: 100%;
    max-width: none;
}

/* ===== Footer 页脚 ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-dark-sub);
    padding-top: 64px;
    padding-bottom: 24px;
    position: relative;
}

.footer::before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}

.footer-brand .logo-text {
    font-size: 17px;
}

.footer-brand p {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.8;
    color: #6B7686;
    max-width: 320px;
}

.footer-col h4 {
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col a,
.footer-contact {
    display: block;
    font-size: 14px;
    color: #6B7686;
    padding: 6px 0;
    line-height: 1.6;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-dark);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-size: 12px;
    color: #6B7686;
    flex-wrap: wrap;
}

.footer-beian a {
    color: #6B7686;
}

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

/* ===== 页面主体 ===== */
.main {
    padding-top: var(--header-h);
}

/* ===== Hero ===== */
.cat-hero {
    position: relative;
    background-color: var(--bg-dark);
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center 32%;
    padding: 100px 0 80px;
    overflow: hidden;
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
}

.cat-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 18, 32, 0.92) 0%, rgba(11, 18, 32, 0.72) 40%, rgba(11, 18, 32, 0.55) 70%, rgba(17, 28, 46, 0.82) 100%);
    z-index: 1;
}

.cat-hero::after {
    content: 'V';
    position: absolute;
    right: -20px;
    bottom: -80px;
    font-size: 440px;
    font-weight: 900;
    font-family: var(--font-num);
    color: rgba(255, 255, 255, 0.04);
    line-height: 1;
    z-index: 0;
    text-transform: uppercase;
}

.cat-hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
}

.cat-hero .badge-line {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.cat-hero .badge-line .hero-badge {
    display: inline-block;
    height: 28px;
    padding: 0 14px;
    background: rgba(0, 230, 118, 0.15);
    border: 1px solid rgba(0, 230, 118, 0.25);
    border-radius: var(--radius-badge);
    color: var(--primary);
    font-size: 12px;
    line-height: 26px;
    letter-spacing: 0.5px;
}

.cat-hero h1 {
    font-size: 38px;
    line-height: 1.3;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 20px;
    letter-spacing: 0.3px;
}

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

.cat-hero .hero-desc {
    font-size: 16px;
    line-height: 1.9;
    color: #C8D2DC;
    margin-bottom: 36px;
    max-width: 560px;
}

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

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
    background: var(--bg-light);
    padding: 18px 0;
    border-bottom: 1px solid var(--border-light);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-sub);
}

.breadcrumb a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-sub);
}

.breadcrumb a::after {
    content: '/';
    color: #B8C1CC;
    margin-left: 8px;
}

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

.breadcrumb .current {
    color: var(--primary-dark);
    font-weight: 600;
}

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

.section-light {
    background: var(--bg-light);
}

.section-white {
    background: #FFFFFF;
}

.section-dark {
    background: var(--bg-dark);
}

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

.section-head .section-sub {
    display: inline-block;
    background: #E8F7EE;
    color: #00A95C;
    font-size: 12px;
    font-weight: 600;
    height: 30px;
    padding: 0 14px;
    border-radius: var(--radius-badge);
    line-height: 30px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.section-head h2 {
    font-size: 30px;
    line-height: 1.35;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.section-head .section-desc {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-sub);
}

.section-head.is-dark h2 {
    color: #FFFFFF;
}

.section-head.is-dark .section-desc {
    color: var(--text-dark-sub);
}

.section-head.is-dark .section-sub {
    background: rgba(0, 230, 118, 0.15);
    color: var(--primary);
}

/* ===== 玩法流程 ===== */
.steps-overview {
    display: flex;
    gap: 64px;
    flex-wrap: wrap;
}

.steps-content {
    flex: 1;
    min-width: 300px;
}

.steps-visual {
    flex: 1;
    min-width: 320px;
    position: relative;
}

.steps-visual img {
    border-radius: 16px;
    width: 100%;
    height: 320px;
    object-fit: cover;
    box-shadow: var(--shadow-hover);
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.step-item {
    display: flex;
    gap: 20px;
    position: relative;
    padding-bottom: 32px;
}

.step-item:last-child {
    padding-bottom: 0;
}

.step-item:last-child::after {
    display: none;
}

.step-item::after {
    content: '';
    position: absolute;
    left: 30px;
    top: 64px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, var(--primary), rgba(0, 230, 118, 0.2));
}

.step-num {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: var(--bg-dark);
    border: 1px solid rgba(0, 230, 118, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-num);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.step-num.is-done {
    background: var(--primary);
    color: #0B1220;
    border-color: var(--primary);
}

.step-body {
    padding-top: 8px;
}

.step-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.step-body p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
    max-width: 400px;
}

/* ===== 玩法核心模块 ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--card-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-base);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.feature-card-media {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.feature-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.feature-card-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 18, 32, 0) 50%, rgba(11, 18, 32, 0.3) 100%);
}

.feature-card-media .card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    height: 26px;
    padding: 0 12px;
    background: rgba(11, 18, 32, 0.7);
    color: var(--primary);
    border: 1px solid rgba(0, 230, 118, 0.35);
    border-radius: var(--radius-badge);
    font-size: 12px;
    line-height: 24px;
    backdrop-filter: blur(6px);
}

.feature-card-body {
    padding: 24px 28px;
}

.feature-card-body h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
    line-height: 1.4;
}

.feature-card-body p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-sub);
    margin-bottom: 18px;
}

.feature-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-dark);
    transition: gap 0.2s ease;
}

.feature-card-link svg {
    width: 16px;
    height: 16px;
}

.feature-card-link:hover {
    gap: 10px;
    color: var(--primary);
}

/* ===== 攻略资源 ===== */
.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.guide-card {
    background: var(--card-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-base);
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.guide-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--primary);
    border-radius: 0 0 3px 3px;
    transition: height 0.35s ease;
}

.guide-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 230, 118, 0.35);
}

.guide-card:hover::before {
    height: 100%;
}

.guide-card .guide-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: #E8F7EE;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.guide-card .guide-icon svg {
    width: 26px;
    height: 26px;
    color: var(--primary-dark);
}

.guide-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
    line-height: 1.45;
}

.guide-card .guide-desc {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-bottom: 16px;
}

.guide-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.guide-badge {
    display: inline-block;
    height: 24px;
    padding: 0 10px;
    background: #E8F7EE;
    color: #00A95C;
    border-radius: var(--radius-badge);
    font-size: 12px;
    line-height: 24px;
    font-weight: 600;
}

.guide-badge.gold {
    background: var(--accent-gold-bg);
    color: var(--accent-gold-text);
}

.guide-time {
    font-size: 12px;
    color: #9AA8B9;
    display: flex;
    align-items: center;
    gap: 4px;
}

.guide-time svg {
    width: 14px;
    height: 14px;
}

/* ===== 参与路径深色区 ===== */
.path-section {
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.path-section::before {
    content: '';
    position: absolute;
    right: -80px;
    top: -80px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 230, 118, 0.08) 0%, transparent 70%);
}

.path-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
    align-items: start;
}

.path-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.path-step {
    display: flex;
    gap: 20px;
    position: relative;
    padding-bottom: 28px;
}

.path-step:last-child {
    padding-bottom: 0;
}

.path-step:last-child::after {
    display: none;
}

.path-step::after {
    content: '';
    position: absolute;
    left: 23px;
    top: 52px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), rgba(0, 230, 118, 0.15));
}

.path-step-num {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--panel-dark);
    border: 2px solid rgba(0, 230, 118, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-num);
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.path-step-num.done {
    background: var(--primary);
    color: #0B1220;
    border-color: var(--primary);
}

.path-step-num.locked {
    border-color: rgba(255, 255, 255, 0.12);
    color: #4A5568;
    background: transparent;
}

.path-step-body {
    padding-top: 4px;
}

.path-step-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 6px;
}

.path-step-body p {
    font-size: 14px;
    color: var(--text-dark-sub);
    line-height: 1.7;
}

.path-note-card {
    background: var(--panel-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-card);
    padding: 32px;
}

.path-note-card .path-note-title {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #FFFFFF;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 20px;
}

.path-note-card .path-note-title svg {
    width: 22px;
    height: 22px;
    color: var(--accent-gold);
}

.path-note-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.path-note-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text-dark-sub);
    line-height: 1.7;
}

.path-note-item svg {
    width: 18px;
    height: 18px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 4px;
}

.path-note-item .gold-text {
    color: var(--accent-gold);
    font-weight: 600;
}

/* ===== FAQ ===== */
.faq-wrap {
    max-width: 820px;
    margin: 0 auto;
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-base);
    overflow: hidden;
}

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

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

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    height: 64px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    text-align: left;
    transition: color 0.25s ease, background-color 0.25s ease;
}

.faq-question:hover {
    color: var(--primary-dark);
    background: #FAFCFE;
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #E8F7EE;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 400;
    color: var(--primary-dark);
    flex-shrink: 0;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
}

.faq-answer {
    display: none;
    padding: 0 28px 24px;
    font-size: 14px;
    line-height: 1.85;
    color: var(--text-sub);
}

.faq-answer p {
    padding-top: 8px;
    border-top: 1px dashed var(--border-light);
}

/* ===== CTA ===== */
.cta-section {
    background: var(--bg-dark);
    padding: 90px 0;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cta-section::before {
    content: '';
    position: absolute;
    left: -120px;
    bottom: -160px;
    width: 460px;
    height: 460px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 230, 118, 0.10) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section .cta-inner {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-size: 32px;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.cta-section p {
    font-size: 15px;
    color: var(--text-dark-sub);
    max-width: 520px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

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

/* ===== 返回顶部 ===== */
.back-top {
    position: fixed;
    right: 24px;
    bottom: 32px;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.3s ease, transform 0.3s ease;
}

.back-top.show {
    opacity: 1;
    visibility: visible;
}

.back-top:hover {
    background: var(--panel-dark);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.back-top svg {
    width: 20px;
    height: 20px;
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
    .nav-links {
        gap: 18px;
    }

    .nav-search {
        max-width: 380px;
    }
}

@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .path-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .nav-links {
        position: fixed;
        top: var(--header-h);
        right: 0;
        width: 280px;
        height: auto;
        background: var(--bg-dark);
        border-bottom: 1px solid var(--border-dark);
        border-left: 1px solid var(--border-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.35s ease;
        box-shadow: -12px 20px 30px rgba(0, 0, 0, 0.35);
        margin-left: 0;
        border-radius: 0 0 0 16px;
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links .nav-link {
        width: 100%;
        padding: 14px 0;
        font-size: 16px;
        border-bottom: 1px solid var(--border-dark);
    }

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

    .nav-links .nav-link.active {
        color: var(--primary);
        padding-left: 8px;
    }

    .nav-cta {
        margin: 20px 0 0;
        width: 100%;
    }

    .menu-toggle {
        display: flex;
        margin-left: auto;
    }

    .header-search-row {
        display: block;
    }

    .header-row {
        height: var(--header-h);
    }

    .search-desktop {
        display: none;
    }

    .main {
        padding-top: calc(var(--header-h) + 60px);
    }

    .header-main {
        padding-bottom: 0;
    }
}

@media (max-width: 767px) {
    :root {
        --space-section: 48px;
    }

    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .header-row {
        gap: 12px;
    }

    .logo-text {
        font-size: 15px;
    }

    .logo-mark {
        width: 34px;
        height: 34px;
        font-size: 18px;
    }

    .cat-hero {
        padding: 56px 0 48px;
    }

    .cat-hero h1 {
        font-size: 28px;
        line-height: 1.35;
    }

    .cat-hero .hero-desc {
        font-size: 15px;
        line-height: 1.8;
    }

    .cat-hero .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .cat-hero .btn {
        width: 100%;
    }

    .section-head {
        margin-bottom: 32px;
    }

    .section-head h2 {
        font-size: 24px;
    }

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

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .steps-overview {
        flex-direction: column;
        gap: 32px;
    }

    .steps-content {
        min-width: 0;
    }

    .steps-visual {
        min-width: 0;
        order: -1;
    }

    .steps-visual img {
        height: 220px;
    }

    .step-num {
        width: 52px;
        height: 52px;
        font-size: 18px;
    }

    .step-item {
        gap: 14px;
    }

    .path-note-card {
        padding: 24px;
    }

    .faq-question {
        padding: 0 20px;
        font-size: 15px;
        height: 60px;
    }

    .faq-answer {
        padding: 0 20px 20px;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-section h2 {
        font-size: 24px;
    }
}

@media (max-width: 520px) {
    .logo-text {
        font-size: 14px;
    }

    .logo-mark {
        width: 32px;
        height: 32px;
    }

    .nav-links {
        width: 260px;
    }

    .guide-card {
        padding: 22px;
    }

    .feature-card-body {
        padding: 20px;
    }

    .cat-hero .badge-line .hero-badge {
        font-size: 11px;
    }

    .btn {
        height: 46px;
        padding: 0 20px;
        font-size: 14px;
    }

    .btn-lg {
        height: 50px;
        padding: 0 28px;
        font-size: 15px;
    }
}