/* roulang page: index */
:root {
  --primary: #0F6B52;
  --primary-dark: #0A4D3B;
  --primary-light: #178A6A;
  --accent: #D9A441;
  --accent-light: #E8C06A;
  --accent-dark: #B8892F;
  --bg: #F6F3ED;
  --bg-dark: #111A15;
  --bg-card: #FFFFFF;
  --text: #1F2A25;
  --text-secondary: #5A6B62;
  --text-light: #8A9A91;
  --border: rgba(15,107,82,0.08);
  --border-hover: rgba(217,164,65,0.3);
  --white: #F7F4EE;
  --orange: #E2693E;
  --success: #2E9E6B;
  --warning: #D9A441;
  --error: #E2693E;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(17,26,21,0.08);
  --shadow-hover: 0 8px 24px rgba(17,26,21,0.12);
  --transition: all .3s ease;
  --font-family: 'PingFang SC','Microsoft YaHei','Source Han Sans SC','Noto Sans CJK SC',sans-serif;
  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea { font: inherit; }

::selection { background: var(--accent); color: #1F2A25; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

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

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 15px; transition: var(--transition); border: 2px solid transparent; letter-spacing: .02em; }
.btn-primary { background: var(--accent); color: #1F2A25; }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-primary:active { transform: translateY(0); background: var(--accent-dark); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,.6); }
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: var(--accent); color: var(--accent); }
.btn-dark { background: var(--primary); color: var(--white); }
.btn-dark:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-lg { padding: 18px 40px; font-size: 17px; border-radius: 10px; }
.btn-sm { padding: 8px 20px; font-size: 14px; }

.section { padding: 90px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-tag { display: inline-block; background: rgba(217,164,65,.12); color: var(--accent-dark); font-size: 13px; font-weight: 600; padding: 4px 16px; border-radius: 30px; letter-spacing: .06em; margin-bottom: 14px; }
.section-header h2 { font-size: 32px; font-weight: 800; color: var(--text); margin-bottom: 12px; line-height: 1.3; letter-spacing: -.01em; }
.section-header .section-sub { color: var(--text-secondary); font-size: 16px; max-width: 560px; margin: 0 auto; }

/* Topbar */
.topbar { background: var(--bg-dark); color: rgba(247,244,238,.8); font-size: 13px; height: 38px; display: flex; align-items: center; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar .tb-left { display: flex; align-items: center; gap: 8px; }
.topbar .tb-left i { color: var(--accent); font-size: 12px; }
.topbar .tb-right { display: flex; gap: 18px; align-items: center; }
.topbar .tb-right a { color: rgba(247,244,238,.75); font-size: 13px; display: flex; align-items: center; gap: 5px; transition: var(--transition); }
.topbar .tb-right a:hover { color: var(--accent); }
.topbar .tb-sep { width: 1px; height: 12px; background: rgba(255,255,255,.18); }

/* Main Nav */
.main-nav { background: var(--bg-card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.main-nav .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 40px; height: 40px; background: var(--primary); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 17px; box-shadow: 0 2px 8px rgba(15,107,82,.2); }
.brand-text { font-size: 20px; font-weight: 800; color: var(--primary-dark); letter-spacing: -.01em; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links > li > a { font-weight: 500; font-size: 16px; color: var(--text); padding: 10px 0; position: relative; display: flex; align-items: center; gap: 6px; }
.nav-links > li > a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 3px; background: var(--accent); border-radius: 3px 3px 0 0; transition: var(--transition); }
.nav-links > li > a:hover { color: var(--primary); }
.nav-links > li > a:hover::after { width: 100%; }
.nav-links > li > a.active { color: var(--primary-dark); font-weight: 700; }
.nav-links > li > a.active::after { width: 100%; }
.nav-links .nav-cta { margin-left: 6px; }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 8px; align-items: center; justify-content: center; font-size: 20px; color: var(--primary-dark); transition: var(--transition); }
.nav-toggle:hover { background: rgba(217,164,65,.1); }

/* Hero */
.hero { min-height: 90vh; background: linear-gradient(90deg, rgba(17,26,21,.93) 0%, rgba(17,26,21,.70) 50%, rgba(17,26,21,.35) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat; display: flex; align-items: center; position: relative; overflow: hidden; }
.hero::after { content: ''; position: absolute; top: -50%; right: -10%; width: 60%; height: 120%; background: radial-gradient(ellipse at center, rgba(217,164,65,.15) 0%, transparent 70%); pointer-events: none; }
.hero .container { position: relative; z-index: 2; padding-top: 60px; padding-bottom: 60px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(217,164,65,.15); border: 1px solid rgba(217,164,65,.3); color: var(--accent-light); font-size: 13px; font-weight: 600; padding: 6px 18px; border-radius: 30px; margin-bottom: 24px; letter-spacing: .08em; }
.hero-badge i { font-size: 12px; }
.hero-title { font-size: 48px; font-weight: 900; color: var(--white); line-height: 1.25; letter-spacing: -.01em; margin-bottom: 20px; max-width: 720px; }
.hero-title span { color: var(--accent); }
.hero-sub { font-size: 18px; color: rgba(247,244,238,.82); max-width: 560px; line-height: 1.75; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll { position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); color: rgba(247,244,238,.6); font-size: 20px; animation: heroScroll 2s ease infinite; z-index: 2; }
@keyframes heroScroll { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }
@media (prefers-reduced-motion: reduce) { .hero-scroll { animation: none; } }

/* Howto */
.howto { background: var(--bg); }
.howto-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.howto-steps::before { content: ''; position: absolute; top: 44px; left: 10%; right: 10%; height: 2px; border-top: 2px dashed rgba(15,107,82,.18); z-index: 0; }
.step-item { background: var(--bg-card); border-radius: var(--radius); padding: 32px 24px 28px; text-align: center; position: relative; z-index: 1; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.step-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--border-hover); }
.step-icon { width: 64px; height: 64px; background: var(--primary); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; color: var(--accent); font-size: 22px; box-shadow: 0 6px 16px rgba(15,107,82,.18); transition: var(--transition); }
.step-item:hover .step-icon { transform: scale(1.06) rotate(-3deg); }
.step-num { font-size: 12px; font-weight: 700; color: var(--accent-dark); letter-spacing: .1em; margin-bottom: 6px; display: block; }
.step-item h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

/* Rewards */
.rewards { background: var(--bg-card); }
.rewards-grid { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 24px; align-items: center; }
.reward-card { position: relative; background: var(--bg); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.reward-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.reward-card .reward-img { height: 180px; overflow: hidden; }
.reward-card .reward-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.reward-card:hover .reward-img img { transform: scale(1.05); }
.reward-body { padding: 20px 22px 24px; }
.reward-badge { position: absolute; top: 14px; right: 14px; background: linear-gradient(135deg, #D9A441, #E8C06A); color: #1F2A25; font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: 30px; box-shadow: 0 4px 12px rgba(217,164,65,.3); z-index: 2; }
.reward-body h3 { font-size: 19px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.reward-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.reward-value { font-size: 22px; font-weight: 900; color: var(--accent-dark); margin-top: 10px; }
.reward-card.big { transform: scale(1.04); }
.reward-card.big .reward-img { height: 220px; }
.reward-card.big .reward-value { font-size: 26px; }
.reward-icon { display: inline-block; margin-right: 5px; }

/* Progress */
.progress-section { background: var(--bg-dark); color: var(--white); }
.progress-wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center; }
.progress-list .p-item { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.07); }
.progress-list .p-item:last-child { border-bottom: none; }
.p-icon { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; }
.p-icon.done { background: rgba(46,158,107,.2); color: var(--success); }
.p-icon.active { background: rgba(217,164,65,.2); color: var(--accent); }
.p-icon.todo { background: rgba(255,255,255,.06); color: var(--text-light); }
.p-info { flex: 1; }
.p-info .p-name { font-size: 15px; font-weight: 500; margin-bottom: 6px; display: flex; justify-content: space-between; align-items: center; }
.p-info .p-name .p-status { font-size: 12px; padding: 2px 12px; border-radius: 20px; }
.p-status.done { background: rgba(46,158,107,.15); color: var(--success); }
.p-status.active { background: rgba(217,164,65,.15); color: var(--accent); }
.p-status.todo { background: rgba(255,255,255,.06); color: var(--text-light); }
.p-bar { height: 6px; background: rgba(255,255,255,.08); border-radius: 10px; overflow: hidden; }
.p-bar span { display: block; height: 100%; border-radius: 10px; background: linear-gradient(90deg, var(--accent), var(--accent-light)); }
.p-bar span.done { background: var(--success); }
.total-card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: 20px; padding: 40px 36px; text-align: center; }
.total-value { font-size: 56px; font-weight: 900; color: var(--accent); line-height: 1.1; margin: 12px 0 4px; }
.total-value small { font-size: 20px; font-weight: 600; }
.total-label { font-size: 15px; color: rgba(247,244,238,.7); }
.total-bar { height: 8px; background: rgba(255,255,255,.08); border-radius: 10px; overflow: hidden; margin: 24px 0 16px; }
.total-bar span { display: block; height: 100%; border-radius: 10px; background: linear-gradient(90deg, var(--accent), var(--accent-light)); }
.total-detail { font-size: 13px; color: rgba(247,244,238,.55); }

/* CTA */
.cta-block { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 70px 0; text-align: center; position: relative; overflow: hidden; }
.cta-block::before { content: ''; position: absolute; top: -80px; right: -80px; width: 260px; height: 260px; background: radial-gradient(circle, rgba(217,164,65,.25), transparent 70%); }
.cta-block::after { content: ''; position: absolute; bottom: -60px; left: 10%; width: 180px; height: 180px; background: radial-gradient(circle, rgba(217,164,65,.18), transparent 70%); }
.cta-block h2 { font-size: 34px; font-weight: 800; color: var(--white); margin-bottom: 14px; }
.cta-block p { color: rgba(247,244,238,.75); font-size: 16px; margin-bottom: 32px; }

/* News */
.news-section { background: var(--bg); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: var(--border-hover); }
.news-thumb { height: 180px; overflow: hidden; position: relative; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-thumb .news-cat { position: absolute; left: 14px; top: 14px; background: rgba(15,107,82,.92); color: var(--white); font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 30px; backdrop-filter: blur(4px); }
.news-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.news-body h3 { font-size: 17px; font-weight: 700; color: var(--text); line-height: 1.45; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.news-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-light); border-top: 1px solid var(--border); padding-top: 12px; }
.news-meta em { font-style: normal; color: var(--primary); font-weight: 600; display: flex; align-items: center; gap: 5px; transition: var(--transition); }
.news-card:hover .news-meta em { color: var(--accent-dark); }
.empty-tip { text-align: center; padding: 60px 20px; color: var(--text-secondary); background: var(--bg-card); border-radius: var(--radius); border: 1px dashed var(--border); font-size: 15px; }

/* FAQ */
.faq-section { background: var(--bg-card); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; transition: var(--transition); background: var(--bg); }
.faq-item:hover { border-color: var(--border-hover); }
.faq-item.open { border-left: 3px solid var(--accent); background: var(--bg-card); box-shadow: var(--shadow); }
.faq-q { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text); gap: 16px; }
.faq-q .faq-icon { font-size: 16px; color: var(--accent-dark); transition: var(--transition); flex-shrink: 0; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a p { padding: 0 24px 20px; font-size: 14px; color: var(--text-secondary); line-height: 1.75; }

/* Footer */
.site-footer { background: var(--bg-dark); color: rgba(247,244,238,.7); padding: 60px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .brand-text { color: var(--white); }
.footer-brand .footer-desc { margin-top: 16px; font-size: 14px; line-height: 1.7; color: rgba(247,244,238,.6); max-width: 300px; }
.footer-col h4 { color: var(--accent); font-size: 15px; font-weight: 600; margin-bottom: 16px; letter-spacing: .04em; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(247,244,238,.65); font-size: 14px; transition: var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-col ul li a i { font-size: 11px; color: rgba(217,164,65,.5); }
.footer-contact li { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; color: rgba(247,244,238,.65); }
.footer-contact li i { color: var(--accent); width: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; text-align: center; font-size: 13px; color: rgba(247,244,238,.4); }
.footer-bottom .sep { margin: 0 8px; color: rgba(255,255,255,.15); }

/* Media Queries */
@media (max-width: 1199px) {
  .howto-steps { gap: 20px; }
  .rewards-grid { grid-template-columns: 1fr 1fr; }
  .reward-card.big { transform: none; order: -1; }
}
@media (max-width: 991px) {
  .nav-toggle { display: flex; }
  .nav-links { position: fixed; top: 114px; left: 0; right: 0; background: var(--bg-card); flex-direction: column; align-items: flex-start; padding: 20px 24px 24px; gap: 6px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-hover); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: var(--transition); z-index: 99; }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links > li { width: 100%; }
  .nav-links > li > a { padding: 12px 8px; font-size: 17px; width: 100%; justify-content: space-between; }
  .nav-links > li > a::after { display: none; }
  .nav-links > li > a.active { background: rgba(217,164,65,.08); color: var(--accent-dark); border-radius: 8px; padding-left: 14px; }
  .nav-links .nav-cta { margin-left: 0; margin-top: 10px; }
  .hero-title { font-size: 38px; }
  .hero { min-height: 80vh; }
  .progress-wrap { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .section { padding: 64px 0; }
  .howto-steps { grid-template-columns: 1fr 1fr; gap: 16px; }
  .howto-steps::before { display: none; }
  .rewards-grid { grid-template-columns: 1fr; }
  .reward-card.big { order: 0; }
  .reward-card.big .reward-img { height: 180px; }
  .hero-title { font-size: 32px; }
  .hero-sub { font-size: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .news-grid { grid-template-columns: 1fr; }
  .cta-block { padding: 56px 0; }
  .cta-block h2 { font-size: 28px; }
  .container { padding: 0 16px; }
  .section-header h2 { font-size: 26px; }
  .topbar { height: 32px; font-size: 12px; }
  .topbar .tb-left span { display: none; }
  .hero-btns .btn { width: 100%; }
  .total-value { font-size: 44px; }
}
@media (max-width: 520px) {
  .howto-steps { grid-template-columns: 1fr; }
  .nav-links { top: 106px; }
  .brand-text { font-size: 17px; }
  .brand-icon { width: 34px; height: 34px; font-size: 14px; }
}

/* roulang page: category1 */
/* ========== Design Tokens ========== */
:root {
  --primary: #0F6B52;
  --primary-dark: #0A4F3C;
  --primary-light: #14805F;
  --accent: #D9A441;
  --accent-light: #E8BE6A;
  --accent-dark: #B8892F;
  --bg: #F6F3ED;
  --bg-white: #FFFFFF;
  --dark: #111A15;
  --text: #1F2A25;
  --text-secondary: #5A6B62;
  --border: rgba(15,107,82,0.08);
  --border-hover: rgba(217,164,65,0.3);
  --success: #2E9E6B;
  --warning: #D9A441;
  --error: #E2693E;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(17,26,21,0.08);
  --shadow-hover: 0 8px 24px rgba(17,26,21,0.12);
  --transition: all 0.3s ease;
  --container: 1200px;
  --font-stack: "PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: 1rem; }
input, textarea { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 85px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-head h2 { font-size: 28px; font-weight: 800; margin-bottom: 14px; letter-spacing: 0.5px; }
.section-head p { color: var(--text-secondary); font-size: 15px; line-height: 1.8; }

/* ========== Buttons ========== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 600; border-radius: 10px; transition: var(--transition); white-space: nowrap; }
.btn-primary { background: var(--accent); color: var(--dark); border: 1px solid transparent; }
.btn-primary:hover { background: var(--accent-light); color: var(--dark); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(217,164,65,0.35); }
.btn-primary:active { transform: translateY(0); background: var(--accent-dark); }
.btn-outline { background: transparent; color: var(--dark); border: 1px solid rgba(255,255,255,0.5); }
.btn-outline:hover { background: rgba(255,255,255,0.12); color: var(--accent); border-color: var(--accent); }
.btn-dark { background: var(--primary); color: #fff; border: 1px solid transparent; }
.btn-dark:hover { background: var(--primary-light); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(15,107,82,0.25); }
.btn-lg { height: 56px; padding: 0 34px; font-size: 1.05rem; border-radius: 12px; }
.btn-md { height: 44px; padding: 0 24px; font-size: 0.95rem; border-radius: 10px; }
.btn-sm { height: 38px; padding: 0 18px; font-size: 0.87rem; border-radius: 8px; }
.btn-block { width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ========== Badges & Tags ========== */
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; background: rgba(15,107,82,0.08); color: var(--primary); }
.tag-gold { background: rgba(217,164,65,0.14); color: var(--accent-dark); }
.tag-light { background: rgba(255,255,255,0.18); color: #fff; }
.badge-corner { position: absolute; top: 12px; right: 12px; background: var(--accent); color: var(--dark); font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 6px; box-shadow: 0 2px 8px rgba(217,164,65,0.3); z-index: 2; }

/* ========== Navigation ========== */
.main-nav {
  background: var(--bg-white);
  border-bottom: 1px solid rgba(15,107,82,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(17,26,21,0.06);
}
.main-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon {
  width: 40px; height: 40px;
  background: var(--primary);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  font-size: 18px;
  box-shadow: 0 2px 10px rgba(15,107,82,0.25);
}
.brand-text { font-size: 1.25rem; font-weight: 800; color: var(--dark); letter-spacing: 0.3px; }
.nav-toggle { display: none; font-size: 1.3rem; color: var(--dark); background: none; border: none; padding: 8px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links li { margin: 0 2px; }
.nav-links a {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--accent-dark); background: rgba(217,164,65,0.08); }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 16px; right: 16px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.nav-cta { margin-left: 10px; }
.nav-cta .btn { color: var(--dark); }
.nav-cta .btn:hover { color: var(--dark); }

/* ========== Hero ========== */
.hero {
  position: relative;
  background: linear-gradient(90deg, rgba(17,26,21,0.93) 0%, rgba(17,26,21,0.72) 45%, rgba(17,26,21,0.38) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 110px 0 90px;
  color: #F7F4EE;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
}
.hero-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(247,244,238,0.65); margin-bottom: 24px; }
.hero-breadcrumb a { color: rgba(247,244,238,0.75); }
.hero-breadcrumb a:hover { color: var(--accent); }
.hero-breadcrumb .sep { opacity: 0.5; }
.hero h1 { font-size: 42px; font-weight: 900; color: #F7F4EE; line-height: 1.2; margin-bottom: 18px; letter-spacing: 0.5px; }
.hero h1 .highlight { color: var(--accent); }
.hero-desc { font-size: 17px; line-height: 1.8; color: rgba(247,244,238,0.85); max-width: 620px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions .btn i { font-size: 14px; }
.hero-scroll { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); color: rgba(247,244,238,0.5); font-size: 20px; animation: floatY 2.4s ease-in-out infinite; }
@keyframes floatY { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-8px); } }
@media (prefers-reduced-motion: reduce) { .hero-scroll { animation: none; } }

/* ========== News Section ========== */
.news-section { padding: 85px 0 50px; }
.news-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; align-items: start; }
.news-title { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.news-subtitle { color: var(--text-secondary); font-size: 15px; margin-bottom: 32px; }

.news-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  gap: 18px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  position: relative;
  transition: var(--transition);
  border: 1px solid transparent;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--border-hover); }
.news-card:hover .news-card-title { color: var(--accent-dark); }
.news-card-img { width: 180px; height: 130px; border-radius: 10px; overflow: hidden; flex-shrink: 0; background: #e8e4dc; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; }
.news-card-body { flex: 1; display: flex; flex-direction: column; }
.news-card-tags { display: flex; gap: 8px; margin-bottom: 8px; }
.news-card-title { font-size: 17px; font-weight: 700; line-height: 1.4; margin-bottom: 6px; transition: var(--transition); }
.news-card-summary { font-size: 14px; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.news-card-meta { display: flex; align-items: center; gap: 14px; margin-top: 14px; font-size: 13px; color: var(--text-secondary); }
.news-card-meta i { font-size: 12px; opacity: 0.7; }
.news-card-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.news-card-link:hover { color: var(--accent-dark); }

/* Sidebar */
.sidebar { position: sticky; top: 100px; }
.sidebar-widget { background: var(--bg-white); border-radius: var(--radius-md); padding: 24px; margin-bottom: 20px; box-shadow: var(--shadow-sm); }
.sidebar-widget h3 { font-size: 17px; font-weight: 700; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--accent); display: inline-block; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud .tag { padding: 6px 14px; font-size: 13px; transition: var(--transition); }
.tag-cloud .tag:hover { background: var(--accent); color: var(--dark); transform: translateY(-2px); }
.sidebar-img { border-radius: 10px; overflow: hidden; margin-bottom: 12px; position: relative; }
.sidebar-img img { width: 100%; height: 140px; object-fit: cover; }
.sidebar-img span { position: absolute; bottom: 10px; left: 10px; right: 10px; color: #fff; font-size: 13px; font-weight: 600; text-shadow: 0 1px 4px rgba(0,0,0,0.6); z-index: 2; }
.sidebar-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(17,26,21,0.6), transparent 70%); }

/* ========== Features ========== */
.features-section { background: var(--dark); color: #F7F4EE; padding: 85px 0; position: relative; overflow: hidden; }
.features-section .section-head h2 { color: #F7F4EE; }
.features-section .section-head p { color: rgba(247,244,238,0.7); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.feature-card {
  background: rgba(15,107,82,0.28);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  transition: var(--transition);
}
.feature-card:hover { background: rgba(15,107,82,0.45); transform: translateY(-4px); border-color: rgba(217,164,65,0.3); }
.feature-icon { width: 54px; height: 54px; background: rgba(217,164,65,0.16); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; color: var(--accent); margin-bottom: 18px; transition: var(--transition); }
.feature-card:hover .feature-icon { transform: rotate(-6deg) scale(1.05); }
.feature-card h3 { color: #F7F4EE; font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: rgba(247,244,238,0.7); font-size: 14px; line-height: 1.7; }

/* ========== Steps ========== */
.steps-section { padding: 85px 0; }
.steps-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps-track::before {
  content: '';
  position: absolute;
  top: 34px; left: 60px; right: 60px;
  height: 2px;
  border-top: 2px dashed rgba(15,107,82,0.25);
  z-index: 0;
}
.step-item { text-align: center; position: relative; z-index: 1; }
.step-icon {
  width: 68px; height: 68px;
  margin: 0 auto 18px;
  background: var(--primary);
  color: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 16px rgba(15,107,82,0.25);
  transition: var(--transition);
}
.step-item:hover .step-icon { transform: rotate(8deg) scale(1.06); color: var(--accent-light); }
.step-num { display: block; font-size: 12px; font-weight: 700; color: var(--accent-dark); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; }
.step-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; padding: 0 12px; }

/* ========== FAQ ========== */
.faq-section { padding: 85px 0; background: var(--bg-white); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--bg);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  border: 1px solid transparent;
  transition: var(--transition);
  overflow: hidden;
}
.faq-item.active { border-color: var(--border-hover); box-shadow: var(--shadow-sm); }
.faq-item.active { border-left: 4px solid var(--accent); }
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px; font-weight: 600;
  color: var(--text);
  text-align: left;
  background: transparent;
  gap: 16px;
}
.faq-q:hover { color: var(--accent-dark); }
.faq-icon { width: 26px; height: 26px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(217,164,65,0.15); color: var(--accent-dark); transition: var(--transition); }
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--accent); color: var(--dark); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.faq-item.active .faq-a { max-height: 260px; padding: 0 24px 22px; }

/* ========== CTA ========== */
.cta-section {
  background: linear-gradient(135deg, rgba(15,107,82,0.95) 0%, rgba(10,79,60,0.98) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding: 90px 0;
  text-align: center;
  color: #F7F4EE;
  position: relative;
}
.cta-section h2 { color: #F7F4EE; font-size: 34px; font-weight: 900; margin-bottom: 16px; }
.cta-section p { color: rgba(247,244,238,0.85); font-size: 16px; max-width: 560px; margin: 0 auto 32px; line-height: 1.8; }

/* ========== Footer ========== */
.site-footer { background: var(--dark); color: rgba(247,244,238,0.7); padding: 70px 0 0; }
.site-footer .container { padding-bottom: 30px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 45px; }
.footer-brand .brand-text { color: #F7F4EE; }
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(247,244,238,0.6); margin-top: 14px; max-width: 340px; }
.footer-col h4 { color: var(--accent); font-size: 14px; font-weight: 700; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { color: rgba(247,244,238,0.65); font-size: 14px; display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); }
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-col ul a i { font-size: 11px; opacity: 0.6; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(247,244,238,0.65); margin-bottom: 12px; }
.footer-contact li i { color: var(--accent); font-size: 13px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 24px 0; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px; font-size: 13px; color: rgba(247,244,238,0.5); }
.footer-bottom .sep { opacity: 0.3; }

/* ========== Responsive ========== */
@media (max-width: 1199px) {
  .news-layout { gap: 28px; }
  .news-card-img { width: 150px; height: 120px; }
}
@media (max-width: 991px) {
  .section-pad { padding: 65px 0; }
  .news-section, .features-section, .steps-section, .faq-section, .cta-section { padding: 65px 0; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 80px; left: 0; right: 0;
    background: var(--bg-white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    border-bottom: 1px solid rgba(15,107,82,0.08);
    box-shadow: 0 8px 24px rgba(17,26,21,0.1);
  }
  .nav-links.open { display: flex; }
  .nav-links li { margin: 0; }
  .nav-links a { padding: 13px 12px; border-radius: 8px; }
  .nav-links a.active::after { display: none; }
  .nav-links a.active { background: rgba(15,107,82,0.07); color: var(--primary); }
  .nav-cta { margin-left: 0; margin-top: 10px; }
  .nav-cta .btn { width: 100%; }
  .hero { padding: 90px 0 75px; }
  .hero h1 { font-size: 34px; }
  .hero-desc { font-size: 16px; }
  .news-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; margin-top: 10px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .steps-track { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .steps-track::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .main-nav .container { height: 68px; }
  .nav-links { top: 68px; }
  .brand-text { font-size: 1.1rem; }
  .brand-icon { width: 36px; height: 36px; font-size: 16px; }
  .hero { padding: 70px 0 60px; }
  .hero h1 { font-size: 27px; line-height: 1.3; }
  .hero-desc { font-size: 15px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .section-head h2, .news-title { font-size: 24px; }
  .section-head p { font-size: 14px; }
  .news-card { flex-direction: column; padding: 16px; }
  .news-card-img { width: 100%; height: 150px; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-track { grid-template-columns: 1fr; }
  .step-item { text-align: center; }
  .faq-q { font-size: 15px; padding: 18px 18px; }
  .faq-a { padding: 0 18px; }
  .faq-item.active .faq-a { padding: 0 18px 20px; }
  .cta-section h2 { font-size: 26px; }
  .cta-section p { font-size: 15px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .footer-bottom .sep { display: none; }
}

/* roulang page: article */
:root {
  --color-primary: #0F6B52;
  --color-primary-dark: #0A4F3C;
  --color-primary-light: #E8F3EF;
  --color-accent: #D9A441;
  --color-accent-dark: #B8862D;
  --color-accent-light: #FDF3E0;
  --color-dark: #111A15;
  --color-bg: #F6F3ED;
  --color-white: #FFFFFF;
  --color-text: #1F2A25;
  --color-text-sub: #5A6B62;
  --color-border: rgba(15,107,82,0.12);
  --color-success: #2E9E6B;
  --color-warning: #D9A441;
  --color-error: #E2693E;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(17,26,21,0.08);
  --shadow-md: 0 8px 24px rgba(17,26,21,0.12);
  --transition: all .3s ease;
  --container: 1200px;
  --font-sans: 'PingFang SC','Microsoft YaHei','Source Han Sans SC','Noto Sans CJK SC',sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.btn i {
  font-size: 14px;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-dark);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: #E6B85A;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active {
  background: var(--color-accent-dark);
  transform: translateY(0);
}
.btn-outline {
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.btn-outline-light {
  border: 1.5px solid rgba(247,244,238,0.7);
  color: #F7F4EE;
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(247,244,238,0.12);
  border-color: #F7F4EE;
}
.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}
.btn-lg {
  padding: 16px 40px;
  font-size: 17px;
  border-radius: 10px;
}
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* 顶部信息条 */
.topbar {
  background: var(--color-dark);
  color: rgba(247,244,238,0.75);
  font-size: 13px;
  height: 38px;
  display: flex;
  align-items: center;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar-left i {
  color: var(--color-accent);
  font-size: 12px;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.topbar-right a {
  padding: 4px 10px;
  border-radius: 4px;
  color: rgba(247,244,238,0.8);
  font-size: 13px;
  transition: var(--transition);
}
.topbar-right a:hover {
  color: var(--color-accent);
  background: rgba(217,164,65,0.1);
}
.topbar-right .sep {
  opacity: 0.25;
}

/* 主导航 */
.main-nav {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  height: 78px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 6px rgba(17,26,21,0.04);
}
.main-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), #0A4F3C);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 20px;
  box-shadow: var(--shadow-sm);
}
.brand-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  line-height: 1.2;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 8px;
  position: relative;
  transition: var(--transition);
}
.nav-links > li > a:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.nav-links > li > a.active {
  color: var(--color-primary);
  font-weight: 600;
}
.nav-links > li > a.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}
.nav-cta {
  margin-left: 10px;
}
.nav-cta .btn {
  box-shadow: var(--shadow-sm);
}
.nav-toggle {
  display: none;
  font-size: 22px;
  color: var(--color-primary);
  padding: 8px;
  border-radius: 8px;
}
.nav-toggle:hover {
  background: var(--color-primary-light);
}

/* 文章头 */
.article-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(17,26,21,0.94) 0%, rgba(15,107,82,0.88) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 70px 0 60px;
  color: #F7F4EE;
}
.article-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217,164,65,0.22) 0%, transparent 70%);
  pointer-events: none;
}
.article-hero .container {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin: 0 auto;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(247,244,238,0.65);
  margin-bottom: 26px;
}
.breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: rgba(247,244,238,0.75);
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: var(--color-accent);
}
.breadcrumb .separator {
  font-size: 12px;
  opacity: 0.5;
}
.breadcrumb .current {
  color: var(--color-accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 320px;
}
.article-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(217,164,65,0.15);
  border: 1px solid rgba(217,164,65,0.35);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 18px;
}
.article-category-badge i {
  font-size: 12px;
}
.article-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #ffffff;
  letter-spacing: 0.5px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: rgba(247,244,238,0.65);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.meta-item i {
  color: var(--color-accent);
  font-size: 13px;
}

/* 正文区 */
.article-body-section {
  padding: 60px 0 50px;
}
.article-body-section .container {
  max-width: 860px;
}
.article-content-wrap {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 48px 56px;
  border-top: 3px solid var(--color-accent);
}
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1rem;
}
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 2em 0 0.8em;
  padding-left: 0.8em;
  border-left: 4px solid var(--color-accent);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 1.8em 0 0.7em;
  line-height: 1.4;
}
.article-content p {
  margin: 1.5em 0;
  line-height: 1.8;
  color: var(--color-text);
  font-size: 1.0625rem;
}
.article-content img {
  width: 100%;
  border-radius: 10px;
  margin: 1.5em 0;
  border: 1px solid var(--color-border);
}
.article-content blockquote {
  border-left: 4px solid var(--color-accent);
  background: var(--color-accent-light);
  padding: 14px 22px;
  border-radius: 0 10px 10px 0;
  color: var(--color-text-sub);
  margin: 1.5em 0;
  font-style: normal;
}
.article-content blockquote p {
  margin: 0.3em 0;
  color: var(--color-text-sub);
}
.article-content ul,
.article-content ol {
  margin: 1.5em 0;
  padding-left: 1.6em;
}
.article-content ul {
  list-style: disc;
}
.article-content ol {
  list-style: decimal;
}
.article-content li {
  margin: 0.5em 0;
  line-height: 1.8;
}
.article-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover {
  color: var(--color-accent-dark);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95rem;
}
.article-content th,
.article-content td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
}
.article-content th {
  background: var(--color-primary-light);
  font-weight: 600;
  color: var(--color-primary);
}
.article-content code {
  background: var(--color-bg);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.9em;
  color: var(--color-primary);
}

/* 空态 */
.article-empty {
  text-align: center;
  padding: 60px 20px;
}
.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 22px;
}
.article-empty h2 {
  font-size: 24px;
  color: var(--color-text);
  margin-bottom: 12px;
}
.article-empty p {
  color: var(--color-text-sub);
  margin-bottom: 26px;
  font-size: 15px;
}

/* 文章底部标签与分享 */
.article-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  border-top: 1px solid var(--color-border);
  padding-top: 26px;
  margin-top: 40px;
}
.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-label {
  font-size: 13px;
  color: var(--color-text-sub);
  margin-right: 2px;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 13px;
  background: var(--color-bg);
  border: 1px solid rgba(15,107,82,0.15);
  border-radius: 20px;
  font-size: 12px;
  color: var(--color-primary);
  transition: var(--transition);
}
.tag:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-1px);
}
.article-share {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-sub);
}
.article-share a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-sub);
  font-size: 14px;
  transition: var(--transition);
}
.article-share a:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* 相关推荐 */
.related-section {
  padding: 60px 0 70px;
  background: var(--color-bg);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-text);
  position: relative;
  padding-left: 16px;
  line-height: 1.3;
}
.section-head h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 5px;
  height: 26px;
  border-radius: 3px;
  background: var(--color-accent);
}
.section-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-sub);
  transition: var(--transition);
}
.section-more:hover {
  color: var(--color-primary);
  gap: 8px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(217,164,65,0.3);
}
.related-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .related-cover img {
  transform: scale(1.05);
}
.related-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17,26,21,0) 60%, rgba(17,26,21,0.2) 100%);
}
.related-card-body {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.related-card-body h3 {
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card-body h3 a:hover {
  color: var(--color-primary);
}
.related-card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--color-text-sub);
}
.related-card-meta i {
  color: var(--color-accent);
  font-size: 11px;
}

/* CTA */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(120deg, var(--color-dark) 0%, #1A2E26 60%, #143C2F 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  left: -80px;
  bottom: -100px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217,164,65,0.18) 0%, transparent 70%);
}
.cta-section::after {
  content: '';
  position: absolute;
  right: -60px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,107,82,0.45) 0%, transparent 70%);
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 34px;
  color: #fff;
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.3;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(247,244,238,0.7);
  margin-bottom: 34px;
  line-height: 1.8;
}
.cta-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cta-btns .btn-primary {
  padding: 16px 38px;
  font-size: 16px;
}
.cta-btns .btn-outline-light {
  padding: 16px 38px;
  font-size: 16px;
}

/* FAQ */
.faq-section {
  padding: 70px 0 80px;
  background: var(--color-white);
}
.faq-section .container {
  max-width: 860px;
}
.faq-section .section-head {
  justify-content: center;
  text-align: center;
}
.faq-section .section-head h2 {
  padding-left: 0;
}
.faq-section .section-head h2::before {
  display: none;
}
.faq-section .section-head p {
  color: var(--color-text-sub);
  font-size: 14px;
  margin-top: 6px;
  text-align: center;
}
.faq-list {
  margin-top: 8px;
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--color-white);
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(217,164,65,0.3);
}
.faq-item.active {
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  background: none;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--color-primary);
}
.faq-question i {
  color: var(--color-accent);
  font-size: 15px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-question i {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.8;
  border-top: 1px solid rgba(15,107,82,0.06);
  margin-top: 4px;
  padding-top: 14px;
}

/* 返回入口 */
.back-entry {
  text-align: center;
  padding-top: 26px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.back-link:hover {
  color: var(--color-accent-dark);
  gap: 12px;
}

/* 页脚 */
.site-footer {
  background: var(--color-dark);
  color: rgba(247,244,238,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand .brand-text {
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.footer-desc {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(247,244,238,0.55);
  margin-top: 14px;
  max-width: 300px;
}
.footer-col h4 {
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.footer-col ul li {
  margin-bottom: 11px;
}
.footer-col ul li a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(247,244,238,0.6);
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--color-accent);
  padding-left: 3px;
}
.footer-col ul li a i {
  font-size: 11px;
  color: rgba(217,164,65,0.4);
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(247,244,238,0.55);
  margin-bottom: 12px;
}
.footer-contact li i {
  color: var(--color-accent);
  font-size: 13px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(247,244,238,0.1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: rgba(247,244,238,0.4);
}
.footer-bottom .sep {
  opacity: 0.3;
}

/* 响应式 */
@media (max-width: 1200px) {
  .container {
    padding: 0 20px;
  }
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 991px) {
  .topbar-right a:nth-child(2) {
    display: none;
  }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .nav-links {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 30px 40px;
    gap: 6px;
    box-shadow: -10px 0 40px rgba(17,26,21,0.2);
    transition: right 0.35s ease;
    z-index: 200;
  }
  .nav-links.open {
    right: 0;
  }
  .nav-links > li {
    width: 100%;
  }
  .nav-links > li > a {
    width: 100%;
    padding: 13px 14px;
    font-size: 16px;
  }
  .nav-links > li > a.active::after {
    left: 14px;
    right: auto;
    width: 4px;
    height: 20px;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 2px;
  }
  .nav-cta {
    margin: 14px 0 0;
    width: 100%;
  }
  .nav-cta .btn {
    width: 100%;
  }
  .article-hero {
    padding: 50px 0 44px;
  }
  .article-title {
    font-size: 30px;
  }
  .article-content-wrap {
    padding: 34px 26px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}
@media (max-width: 767px) {
  .topbar {
    height: 34px;
  }
  .topbar-right a:first-child {
    display: none;
  }
  .main-nav {
    height: 68px;
  }
  .brand-text {
    font-size: 19px;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }
  .article-hero {
    padding: 38px 0 36px;
  }
  .article-title {
    font-size: 25px;
  }
  .article-meta {
    gap: 10px 16px;
    font-size: 12px;
  }
  .article-body-section {
    padding: 36px 0 40px;
  }
  .article-content-wrap {
    padding: 26px 18px;
    border-radius: 0;
    box-shadow: none;
  }
  .article-content p {
    font-size: 1rem;
  }
  .article-footer-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .related-section {
    padding: 44px 0 50px;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .cta-section {
    padding: 56px 0;
  }
  .cta-inner h2 {
    font-size: 26px;
  }
  .cta-btns {
    flex-direction: column;
    width: 100%;
  }
  .cta-btns .btn {
    width: 100%;
    justify-content: center;
  }
  .faq-section {
    padding: 46px 0 56px;
  }
  .faq-question {
    padding: 15px 16px;
    font-size: 14px;
  }
  .faq-answer-inner {
    padding: 0 16px 18px;
    font-size: 13px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 36px;
  }
  .footer-brand .brand-text {
    font-size: 19px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 6px;
    padding: 18px 0;
  }
  .breadcrumb .current {
    max-width: 180px;
  }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0F6B52;
  --primary-dark: #0A4F3C;
  --primary-soft: rgba(15,107,82,0.08);
  --accent: #D9A441;
  --accent-light: #F0D9A0;
  --accent-soft: rgba(217,164,65,0.12);
  --bg-warm: #F6F3ED;
  --ink-dark: #111A15;
  --text-main: #1F2A25;
  --text-sub: #5A6B62;
  --text-on-dark: #F7F4EE;
  --text-muted: rgba(247,244,238,0.65);
  --danger: #E2693E;
  --success: #2E9E6B;
  --border: rgba(15,107,82,0.10);
  --radius-card: 12px;
  --radius-btn: 10px;
  --radius-img: 10px;
  --shadow-default: 0 1px 3px rgba(17,26,21,0.08);
  --shadow-hover: 0 10px 30px rgba(17,26,21,0.13);
  --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}

/* ===== Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  background: var(--bg-warm);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
ul {
  list-style: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 顶部信息条 ===== */
.topbar {
  background: var(--ink-dark);
  color: var(--text-muted);
  font-size: 13px;
  height: 38px;
  display: flex;
  align-items: center;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}
.topbar a {
  color: var(--accent);
  font-weight: 500;
}
.topbar a:hover {
  color: var(--accent-light);
}
.topbar-right {
  display: flex;
  gap: 12px;
  align-items: center;
}
.topbar-sep {
  opacity: 0.3;
  margin: 0 2px;
}

/* ===== 主导航 ===== */
.main-nav {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 80px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 12px rgba(17,26,21,0.04);
}
.main-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(145deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 20px;
  box-shadow: 0 4px 14px rgba(15,107,82,0.28);
}
.brand-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.nav-toggle {
  display: none;
  font-size: 22px;
  color: var(--primary);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.6);
  align-items: center;
  justify-content: center;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links > li > a {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-main);
  padding: 28px 0 24px;
  border-bottom: 3px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.nav-links > li > a:hover,
.nav-links > li > a.active {
  color: var(--primary);
  border-bottom-color: var(--accent);
}
.nav-links > li > a.active {
  font-weight: 700;
}
.nav-cta {
  margin-left: 8px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-btn);
  padding: 12px 24px;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
  border-radius: 8px;
}
.btn-primary {
  background: var(--accent);
  color: var(--ink-dark);
  box-shadow: 0 4px 14px rgba(217,164,65,0.32);
}
.btn-primary:hover {
  background: #e6b854;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(217,164,65,0.4);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(217,164,65,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--text-on-dark);
  border: 1.5px solid rgba(247,244,238,0.4);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(217,164,65,0.08);
}
.btn-dark {
  background: var(--primary);
  color: #fff;
}
.btn-dark:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15,107,82,0.3);
}
.btn-lg {
  height: 56px;
  padding: 0 40px;
  font-size: 17px;
  border-radius: 10px;
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  background: linear-gradient(110deg, rgba(17,26,21,0.92) 0%, rgba(10,60,45,0.82) 55%, rgba(17,26,21,0.65) 100%),
    url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  padding: 120px 0 110px;
  color: var(--text-on-dark);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(217,164,65,0.28) 0%, transparent 62%);
  pointer-events: none;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: 20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(15,107,82,0.4) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.hero-breadcrumb {
  font-size: 13px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}
.hero-breadcrumb a {
  color: var(--accent);
}
.hero-breadcrumb a:hover {
  color: var(--accent-light);
}
.page-hero h1 {
  font-size: 44px;
  line-height: 1.25;
  font-weight: 900;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.hero-sub {
  font-size: 18px;
  color: rgba(247,244,238,0.82);
  max-width: 640px;
  margin-bottom: 34px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-meta {
  display: flex;
  gap: 28px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(247,244,238,0.15);
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-meta-item i {
  font-size: 24px;
  color: var(--accent);
}
.hero-meta-item strong {
  font-size: 18px;
  color: #fff;
  display: block;
  line-height: 1.2;
}
.hero-meta-item span {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 板块通用 ===== */
section {
  padding: 90px 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.8;
}

/* ===== 玩法概览矩阵 ===== */
.play-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.play-item {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 32px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-default);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.play-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.play-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(217,164,65,0.3);
}
.play-item:hover::before {
  opacity: 1;
}
.play-icon {
  width: 58px;
  height: 58px;
  margin: 0 auto 18px;
  background: var(--primary-soft);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  transition: var(--transition);
}
.play-item:hover .play-icon {
  background: var(--primary);
  color: var(--accent);
  transform: rotate(-6deg) scale(1.06);
}
.play-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}
.play-item p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== 详细规则 ===== */
.rules-section {
  background: linear-gradient(180deg, var(--bg-warm) 0%, #f0ede5 100%);
}
.rules-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
}
.rules-intro {
  position: sticky;
  top: 110px;
}
.rules-intro h3 {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 18px;
  color: var(--text-main);
}
.rules-intro p {
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 24px;
}
.rules-points {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.rules-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-default);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}
.rules-points li:hover {
  border-color: rgba(217,164,65,0.3);
  transform: translateX(4px);
}
.rules-points i {
  color: var(--success);
  font-size: 16px;
}
.accordion-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
details.acc-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-default);
  overflow: hidden;
  transition: var(--transition);
}
details.acc-item:hover {
  border-color: rgba(217,164,65,0.3);
}
details.acc-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  list-style: none;
  transition: var(--transition);
}
details.acc-item summary::-webkit-details-marker {
  display: none;
}
details.acc-item summary .acc-icon {
  font-size: 18px;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
details.acc-item[open] {
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow-hover);
}
details.acc-item[open] summary {
  background: var(--primary-soft);
}
details.acc-item[open] .acc-icon {
  transform: rotate(45deg);
  color: var(--accent);
}
.acc-body {
  padding: 6px 24px 24px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
}
.acc-body ul {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.acc-body ul li {
  position: relative;
  padding-left: 20px;
}
.acc-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== 参与时间线 ===== */
.timeline-section {
  background: var(--ink-dark);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}
.timeline-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 500px;
  height: 100%;
  background: url('/assets/images/backpic/back-1.png') center right / cover no-repeat;
  opacity: 0.12;
  pointer-events: none;
}
.timeline-section .section-head h2 {
  color: #fff;
}
.timeline-section .section-head p {
  color: var(--text-muted);
}
.timeline-wrap {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  padding: 20px 0;
}
.timeline-wrap::before {
  content: '';
  position: absolute;
  left: 39px;
  top: 30px;
  bottom: 30px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--primary), rgba(217,164,65,0.2));
}
.tl-item {
  position: relative;
  padding-left: 110px;
  padding-bottom: 48px;
}
.tl-item:last-child {
  padding-bottom: 0;
}
.tl-dot {
  position: absolute;
  left: 19px;
  top: 4px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--ink-dark);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent);
  z-index: 1;
  box-shadow: 0 0 0 6px rgba(217,164,65,0.12);
}
.tl-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(247,244,238,0.1);
  border-radius: var(--radius-card);
  padding: 26px 30px;
  transition: var(--transition);
}
.tl-card:hover {
  border-color: rgba(217,164,65,0.4);
  background: rgba(255,255,255,0.07);
  transform: translateX(-4px);
}
.tl-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
}
.tl-card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
}
.tl-step {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

/* ===== 奖励卡片 ===== */
.reward-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.reward-card {
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-default);
  transition: var(--transition);
}
.reward-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.reward-card-img {
  height: 180px;
  position: relative;
  overflow: hidden;
}
.reward-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.reward-card:hover .reward-card-img img {
  transform: scale(1.06);
}
.reward-card-img .badge-gold {
  position: absolute;
  top: 14px;
  right: 14px;
  background: linear-gradient(135deg, var(--accent), #c9862d);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.reward-card-body {
  padding: 24px;
}
.reward-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}
.reward-card-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
}
.reward-num {
  font-size: 26px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.2;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  margin-bottom: 14px;
}
.faq-item details {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-default);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item details:hover {
  border-color: rgba(217,164,65,0.3);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary i {
  color: var(--primary);
  font-size: 18px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item details[open] summary {
  color: var(--primary-dark);
  background: var(--primary-soft);
}
.faq-item details[open] summary i {
  transform: rotate(180deg);
  color: var(--accent);
}
.faq-item details[open] {
  border-left: 4px solid var(--accent);
}
.faq-answer {
  padding: 2px 24px 22px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.85;
}

/* ===== CTA ===== */
.cta-block {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}
.cta-block::after {
  content: '';
  position: absolute;
  top: -60%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(217,164,65,0.25) 0%, transparent 60%);
  pointer-events: none;
}
.cta-block h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-block p {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 32px;
}
.cta-block .btn {
  position: relative;
  z-index: 2;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--ink-dark);
  color: var(--text-on-dark);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(247,244,238,0.08);
}
.footer-brand .brand-text {
  color: #fff;
  display: block;
  margin-bottom: 14px;
}
.footer-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 320px;
}
.footer-col h4 {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col ul li a {
  color: var(--text-muted);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--accent);
  transform: translateX(4px);
}
.footer-col ul li a i {
  font-size: 12px;
  opacity: 0.6;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 14px;
}
.footer-contact li i {
  color: var(--accent);
  font-size: 15px;
  width: 18px;
  text-align: center;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 26px 0;
  font-size: 13px;
  color: rgba(247,244,238,0.4);
}
.footer-bottom .sep {
  opacity: 0.3;
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
  .play-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 0.8fr 0.8fr;
  }
  .footer-brand {
    grid-column: span 3;
  }
}
@media (max-width: 991px) {
  .main-nav {
    height: auto;
    padding: 14px 0;
  }
  .main-nav .container {
    flex-wrap: wrap;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg-warm);
    border-top: 1px solid var(--border);
    padding: 12px 0;
    margin-top: 12px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links > li {
    width: 100%;
  }
  .nav-links > li > a {
    padding: 14px 8px;
    width: 100%;
    border-bottom: 1px solid var(--border);
    border-left: 3px solid transparent;
  }
  .nav-links > li > a:hover,
  .nav-links > li > a.active {
    border-bottom-color: var(--border);
    border-left-color: var(--accent);
    background: var(--accent-soft);
  }
  .nav-links > li.nav-cta {
    margin: 14px 8px 6px;
  }
  .nav-links > li.nav-cta .btn {
    width: 100%;
  }
  .topbar-right span:first-child {
    display: none;
  }
  .page-hero {
    padding: 90px 0 80px;
  }
  .page-hero h1 {
    font-size: 36px;
  }
  .hero-sub {
    font-size: 16px;
  }
  .rules-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .rules-intro {
    position: static;
  }
  .tl-card {
    padding: 22px;
  }
  .reward-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 767px) {
  section {
    padding: 64px 0;
  }
  .container {
    padding: 0 16px;
  }
  .topbar {
    height: 32px;
  }
  .topbar .container {
    justify-content: center;
  }
  .topbar-left {
    display: none;
  }
  .page-hero {
    padding: 60px 0 56px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-meta {
    flex-direction: column;
    gap: 16px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .play-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .play-item {
    padding: 26px 20px;
  }
  .timeline-wrap {
    padding-left: 0;
  }
  .timeline-wrap::before {
    left: 19px;
  }
  .tl-item {
    padding-left: 74px;
    padding-bottom: 36px;
  }
  .tl-dot {
    left: 4px;
    width: 34px;
    height: 34px;
    font-size: 14px;
  }
  .tl-card {
    padding: 18px;
  }
  .reward-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-brand {
    grid-column: span 1;
  }
  .footer-bottom {
    gap: 8px;
    font-size: 12px;
  }
  .cta-block h2 {
    font-size: 26px;
  }
  .cta-block p {
    font-size: 15px;
  }
}
@media (max-width: 520px) {
  .brand-text {
    font-size: 19px;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }
  .page-hero h1 {
    font-size: 24px;
  }
  .rules-points li {
    font-size: 14px;
    padding: 12px 14px;
  }
  details.acc-item summary {
    font-size: 15px;
    padding: 16px 18px;
  }
  .acc-body {
    padding: 4px 18px 18px;
    font-size: 14px;
  }
  .faq-item summary {
    font-size: 15px;
    padding: 16px 18px;
  }
  .faq-answer {
    padding: 2px 18px 18px;
    font-size: 14px;
  }
}

/* roulang page: category3 */
:root {
  --primary: #0F6B52;
  --primary-dark: #0A543F;
  --accent: #D9A441;
  --accent-dark: #C18E32;
  --accent-light: #F0E6D2;
  --bg: #F6F3ED;
  --dark: #111A15;
  --text: #1F2A25;
  --text-light: #5A6B62;
  --white: #F7F4EE;
  --danger: #E2693E;
  --success: #2E9E6B;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(17,26,21,0.08);
  --shadow-md: 0 8px 24px rgba(17,26,21,0.12);
  --radius-md: 14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;height:auto;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
ul{list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
section{scroll-margin-top:110px;}

/* 顶部信息条 */
.topbar{
  background:var(--dark);
  color:rgba(247,244,238,0.78);
  font-size:13px;
  height:38px;
  display:flex;
  align-items:center;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;width:100%;}
.topbar a{color:var(--accent);transition:color .2s;}
.topbar a:hover{color:#F0D88B;}
.topbar .dot{opacity:.4;margin:0 6px;}

/* 主导航 */
.main-nav{
  background:var(--white);
  border-bottom:1px solid rgba(15,107,82,0.08);
  height:78px;
  display:flex;
  align-items:center;
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:var(--shadow-sm);
}
.main-nav .container{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:nowrap;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-icon{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  color:var(--white);font-size:16px;
  box-shadow:0 2px 10px rgba(15,107,82,0.25);
}
.brand-text{font-size:21px;font-weight:800;color:var(--text);letter-spacing:.5px;white-space:nowrap;}
.nav-links{
  display:flex;align-items:center;gap:28px;
  margin-left:auto;
}
.nav-links > li > a{
  font-size:16px;font-weight:500;color:var(--text);
  padding:8px 2px;position:relative;transition:color .2s;
  white-space:nowrap;
}
.nav-links > li > a::after{
  content:"";position:absolute;left:0;bottom:0;
  width:100%;height:3px;border-radius:2px;
  background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s;
}
.nav-links > li > a:hover{color:var(--accent-dark);}
.nav-links > li > a:hover::after,
.nav-links > li > a.active::after{transform:scaleX(1);}
.nav-links > li > a.active{color:var(--primary);font-weight:700;}
.nav-cta{margin-left:6px;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:var(--radius-sm);
  font-weight:700;border:none;cursor:pointer;
  transition:all .2s;
}
.btn-sm{padding:8px 18px;font-size:14px;}
.btn-primary{background:var(--accent);color:var(--dark);box-shadow:0 2px 10px rgba(217,164,65,0.3);}
.btn-primary:hover{background:#E4B354;transform:translateY(-2px);box-shadow:0 6px 16px rgba(217,164,65,0.35);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border:2px solid rgba(247,244,238,0.6);color:var(--white);}
.btn-outline:hover{background:rgba(217,164,65,0.15);border-color:var(--accent);color:var(--accent);}
.btn-lg{padding:16px 40px;font-size:17px;border-radius:10px;}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--text);cursor:pointer;padding:6px;}

/* Hero Banner */
.page-hero{
  position:relative;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:110px 0 90px;
  color:var(--white);
  overflow:hidden;
}
.page-hero:before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(17,26,21,0.94) 20%,rgba(15,107,82,0.65) 60%,rgba(217,164,65,0.2) 100%);
}
.page-hero:after{
  content:"";position:absolute;top:-60px;right:-40px;
  width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,164,65,0.3),transparent 70%);
  pointer-events:none;
}
.hero-wrap{position:relative;z-index:2;max-width:720px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(217,164,65,0.16);
  border:1px solid rgba(217,164,65,0.35);
  color:var(--accent);
  padding:7px 16px;border-radius:30px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  margin-bottom:22px;
}
.page-hero h1{
  font-size:44px;font-weight:900;line-height:1.2;
  margin-bottom:18px;
}
.page-hero h1 span{color:var(--accent);}
.page-hero .hero-sub{
  font-size:17px;color:rgba(247,244,238,0.85);
  line-height:1.8;margin-bottom:32px;max-width:600px;
}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;}
.hero-scroll{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  z-index:2;color:rgba(247,244,238,0.6);font-size:20px;
  animation:bounceDown 2s infinite;
}
@keyframes bounceDown{
  0%,100%{transform:translate(-50%,0);}
  50%{transform:translate(-50%,10px);}
}

/* 板块通用 */
.section{padding:90px 0;}
.section-alt{background:var(--white);}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head .section-eyebrow{
  display:inline-block;
  font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--accent-dark);text-transform:none;
  margin-bottom:10px;
}
.section-head h2{font-size:30px;font-weight:800;line-height:1.25;color:var(--text);}
.section-head p{margin-top:12px;color:var(--text-light);font-size:15px;line-height:1.7;}

/* 品牌时间线 */
.timeline{position:relative;max-width:920px;margin:0 auto;padding:20px 0;}
.timeline:before{
  content:"";position:absolute;left:50%;top:0;bottom:0;
  width:3px;background:linear-gradient(to bottom,transparent,var(--primary),var(--accent),transparent);
  transform:translateX(-50%);
  border-radius:3px;
}
.timeline-item{
  position:relative;width:50%;padding:20px 40px 20px 0;
  text-align:right;
}
.timeline-item:nth-child(even){
  margin-left:50%;padding:20px 0 20px 40px;
  text-align:left;
}
.timeline-dot{
  position:absolute;top:30px;right:-9px;
  width:18px;height:18px;border-radius:50%;
  background:var(--accent);
  border:4px solid var(--bg);
  box-shadow:0 0 0 2px var(--primary);
  z-index:2;
}
.timeline-item:nth-child(even) .timeline-dot{right:auto;left:-9px;}
.timeline-card{
  background:var(--white);
  border:1px solid rgba(15,107,82,0.08);
  border-radius:var(--radius);
  padding:24px 26px;
  display:inline-block;max-width:96%;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s,transform .25s;
  text-align:left;
}
.timeline-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.timeline-year{
  display:inline-block;
  background:var(--primary);color:var(--white);
  font-size:13px;font-weight:700;
  padding:4px 14px;border-radius:20px;
  margin-bottom:12px;
  letter-spacing:1px;
}
.timeline-card h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text);}
.timeline-card p{font-size:14px;color:var(--text-light);line-height:1.7;}

/* 数据高亮墙 */
.stats-section{
  background:var(--dark);
  position:relative;
  overflow:hidden;
}
.stats-section:before{
  content:"";position:absolute;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  inset:0;opacity:0.18;
}
.stats-wrapper{position:relative;z-index:2;text-align:center;}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;margin-top:10px;
}
.stat-card{
  background:rgba(17,26,21,0.6);
  border:1px solid rgba(217,164,65,0.15);
  border-radius:var(--radius);
  padding:36px 20px;
  transition:border-color .25s,transform .25s;
}
.stat-card:hover{border-color:rgba(217,164,65,0.45);transform:translateY(-4px);}
.stat-icon{font-size:28px;color:var(--accent);margin-bottom:14px;}
.stat-number{
  font-size:40px;font-weight:900;color:var(--white);
  line-height:1.1;
}
.stat-number em{font-style:normal;color:var(--accent);font-size:24px;}
.stat-label{font-size:14px;color:rgba(247,244,238,0.7);margin-top:10px;letter-spacing:.5px;}

/* 图文故事区 */
.story-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.story-card{
  background:var(--white);
  border-radius:var(--radius);
  border:1px solid rgba(15,107,82,0.08);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s,transform .25s,border-color .25s;
}
.story-card:hover{box-shadow:var(--shadow-md);transform:translateY(-5px);border-color:rgba(217,164,65,0.3);}
.story-img{height:200px;overflow:hidden;position:relative;}
.story-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.story-card:hover .story-img img{transform:scale(1.05);}
.story-img:after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(17,26,21,0.28),transparent);
}
.story-tag{
  position:absolute;left:14px;bottom:14px;z-index:2;
  background:var(--accent);color:var(--dark);
  font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:20px;
}
.story-body{padding:22px 24px 24px;}
.story-body h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text);line-height:1.4;}
.story-body p{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:14px;}
.story-meta{font-size:13px;color:#9BA8A0;display:flex;align-items:center;gap:6px;}

/* 品牌价值/理念 */
.values-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.value-card{
  background:var(--bg);
  border:1px solid rgba(15,107,82,0.1);
  border-radius:var(--radius);
  padding:34px 30px;
  transition:background .25s,border-color .25s,transform .25s;
}
.value-card:hover{background:var(--white);border-color:rgba(217,164,65,0.3);transform:translateY(-4px);}
.value-icon{
  width:54px;height:54px;border-radius:14px;
  background:var(--primary);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:22px;
  margin-bottom:18px;
  transition:background .25s;
}
.value-card:hover .value-icon{background:var(--dark);}
.value-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.value-card p{font-size:14px;color:var(--text-light);line-height:1.7;}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--white);
  border:1px solid rgba(15,107,82,0.08);
  border-radius:10px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item.active{border-color:rgba(217,164,65,0.4);box-shadow:var(--shadow-sm);}
.faq-title{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;background:none;border:none;
  font-size:16px;font-weight:600;color:var(--text);
  text-align:left;cursor:pointer;
  transition:color .2s;
  border-left:4px solid transparent;
}
.faq-item.active .faq-title{
  border-left-color:var(--accent);
  color:var(--primary);
}
.faq-icon{
  font-size:18px;color:var(--accent);
  transition:transform .3s;
  flex-shrink:0;
  margin-left:14px;
}
.faq-item.active .faq-icon{transform:rotate(45deg);}
.faq-body{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-inner{padding:0 24px 22px;font-size:14px;color:var(--text-light);line-height:1.8;}

/* CTA */
.cta-section{
  background:linear-gradient(135deg,var(--dark) 0%,#1A2E24 100%);
  color:var(--white);
  text-align:center;
  padding:80px 0;
  position:relative;
  overflow:hidden;
}
.cta-section:after{
  content:"";position:absolute;top:-80px;right:-60px;
  width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,164,65,0.25),transparent 70%);
}
.cta-section .container{position:relative;z-index:2;}
.cta-section h2{font-size:32px;font-weight:800;margin-bottom:14px;}
.cta-section p{font-size:16px;color:rgba(247,244,238,0.7);max-width:520px;margin:0 auto 34px;line-height:1.7;}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}
.btn-gold{background:var(--accent);color:var(--dark);padding:16px 38px;border-radius:10px;font-size:16px;font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:all .2s;box-shadow:0 6px 20px rgba(217,164,65,0.3);}
.btn-gold:hover{background:#E4B354;transform:translateY(-2px);box-shadow:0 10px 28px rgba(217,164,65,0.4);}
.btn-ghost{background:transparent;border:2px solid rgba(247,244,238,0.4);color:var(--white);padding:14px 32px;border-radius:10px;font-size:16px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:all .2s;}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}

/* 页脚 */
.site-footer{
  background:var(--dark);
  color:rgba(247,244,238,0.7);
  padding:70px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:46px;
  border-bottom:1px solid rgba(247,244,238,0.08);
}
.footer-desc{margin-top:16px;color:rgba(247,244,238,0.55);line-height:1.8;font-size:13px;max-width:260px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--accent);
  margin-bottom:18px;letter-spacing:1px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:rgba(247,244,238,0.65);transition:color .2s;}
.footer-col ul li a:hover{color:var(--accent);}
.footer-col ul li a i{font-size:12px;margin-right:6px;color:var(--accent);opacity:.6;}
.footer-contact li{display:flex;align-items:center;gap:10px;color:rgba(247,244,238,0.65);}
.footer-contact li i{color:var(--accent);opacity:.7;width:20px;text-align:center;}
.footer-bottom{
  padding:24px 0;
  display:flex;align-items:center;justify-content:center;
  gap:10px;flex-wrap:wrap;
  font-size:12px;color:rgba(247,244,238,0.4);
}
.footer-bottom .sep{opacity:.5;margin:0 4px;}

/* 响应式 */
@media (max-width:1200px){
  .container{padding:0 20px;}
}
@media (max-width:991px){
  .nav-links{
    position:fixed;top:78px;left:0;right:0;bottom:0;
    background:var(--white);
    flex-direction:column;
    align-items:flex-start;
    padding:30px 24px;
    gap:20px;
    transform:translateX(100%);
    transition:transform .3s ease;
    box-shadow:-10px 0 40px rgba(17,26,21,0.08);
    z-index:99;
    overflow-y:auto;
    margin-left:0;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links > li > a{font-size:18px;display:block;padding:10px 0;}
  .nav-links > li > a::after{display:none;}
  .nav-cta{margin-left:0;margin-top:14px;}
  .nav-toggle{display:block;}
  .page-hero h1{font-size:34px;}
  .timeline:before{left:20px;}
  .timeline-item,.timeline-item:nth-child(even){width:100%;margin-left:0;text-align:left;padding:20px 0 20px 56px;}
  .timeline-dot,.timeline-item:nth-child(even) .timeline-dot{left:14px;right:auto;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .story-grid{grid-template-columns:repeat(2,1fr);}
  .values-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .brand-text{font-size:19px;}
}
@media (max-width:767px){
  .topbar{height:34px;font-size:12px;}
  .topbar .dot{display:none;}
  .page-hero{padding:70px 0 60px;}
  .page-hero h1{font-size:28px;}
  .page-hero .hero-sub{font-size:15px;}
  .section{padding:60px 0;}
  .section-head h2{font-size:25px;}
  .story-grid{grid-template-columns:1fr;}
  .values-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .stat-number{font-size:32px;}
  .stat-card{padding:24px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center;}
  .hero-btns{flex-direction:column;width:100%;}
  .hero-btns a{width:100%;justify-content:center;}
  .cta-section h2{font-size:26px;}
  .cta-btns{flex-direction:column;align-items:center;}
  .timeline-card{padding:20px;}
}