/* roulang page: index */
:root{
  --bg: #f5f0ea;
  --bg-soft: #efe7df;
  --surface: rgba(255,255,255,.88);
  --surface-strong: #ffffff;
  --surface-dark: #1a1214;
  --surface-dark-2: #24181b;
  --text: #24181b;
  --muted: #6f5d60;
  --muted-2: #8d7c7f;
  --border: rgba(36,24,27,.12);
  --border-strong: rgba(36,24,27,.18);
  --accent: #b77b4b;
  --accent-2: #8d4250;
  --accent-3: #d4b07b;
  --accent-4: #ffe7c2;
  --shadow: 0 14px 40px rgba(36,24,27,.08);
  --shadow-2: 0 18px 48px rgba(36,24,27,.14);
  --radius: 22px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100% - 32px));
  --transition: 220ms ease;
  --header-h: 78px;
}

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

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(183,123,75,.10), transparent 28%),
    radial-gradient(circle at top right, rgba(141,66,80,.10), transparent 24%),
    linear-gradient(180deg, #faf7f3 0%, var(--bg) 100%);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a{
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition), transform var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
}

button,
input,
textarea,
select{
  font: inherit;
}

button{
  cursor: pointer;
}

::selection{
  background: rgba(183,123,75,.22);
  color: var(--text);
}

:focus-visible{
  outline: 3px solid rgba(183,123,75,.42);
  outline-offset: 3px;
}

.skip-link{
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 9999;
  background: var(--surface-strong);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
}
.skip-link:focus{
  left: 16px;
}

.container{
  width: var(--container);
  margin: 0 auto;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  background: rgba(24,17,20,.82);
  border-bottom: 1px solid rgba(255,255,255,.06);
  color: #fff7f0;
}

.notice-bar{
  padding: 8px 0;
  font-size: 13px;
  letter-spacing: .02em;
  background: linear-gradient(90deg, rgba(183,123,75,.20), rgba(141,66,80,.20));
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.notice-bar .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: rgba(255,247,240,.88);
}

.notice-dot{
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.notice-dot::before{
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent-3);
  box-shadow: 0 0 0 6px rgba(212,176,123,.14);
}

.nav-shell{
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: .02em;
  color: #fff;
  white-space: nowrap;
}

.brand-badge{
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(183,123,75,.24), rgba(141,66,80,.18));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.09);
  font-size: 15px;
  font-weight: 800;
}

.brand-text{
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong{
  font-size: 16px;
}

.brand-text span{
  font-size: 12px;
  color: rgba(255,247,240,.72);
  margin-top: 5px;
}

.site-nav{
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.site-nav a{
  display: inline-flex;
  align-items: center;
  height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  color: rgba(255,247,240,.82);
  border: 1px solid transparent;
  position: relative;
}

.site-nav a:hover,
.site-nav a:focus-visible{
  color: #fff;
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.08);
}

.site-nav a.active{
  color: var(--surface-strong);
  background: rgba(183,123,75,.18);
  border-color: rgba(212,176,123,.26);
}

.nav-cta{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #a96237);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(183,123,75,.24);
  border: 1px solid rgba(255,255,255,.08);
  margin-left: 8px;
}
.nav-cta:hover,
.nav-cta:focus-visible{
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(183,123,75,.32);
}

.nav-toggle{
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-left: auto;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  background: rgba(255,255,255,.06);
  color: #fff;
}
.nav-toggle span{
  position: relative;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}
.nav-toggle span::before{ top: -6px; }
.nav-toggle span::after{ top: 6px; }

main{
  display: block;
}

.hero{
  position: relative;
  overflow: hidden;
  color: #fff8f2;
  background:
    linear-gradient(180deg, rgba(21,14,16,.18), rgba(21,14,16,.72)),
    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
}

.hero::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(212,176,123,.18), transparent 32%),
    radial-gradient(circle at 80% 10%, rgba(141,66,80,.22), transparent 28%),
    linear-gradient(180deg, transparent 0, rgba(18,12,14,.24) 50%, rgba(18,12,14,.44) 100%);
  pointer-events: none;
}

.hero-inner{
  position: relative;
  z-index: 1;
  padding: 54px 0 38px;
}

.hero-grid{
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 28px;
  align-items: center;
}

.hero-copy{
  padding: 28px 0;
}

.kicker{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,247,240,.92);
  font-size: 13px;
  backdrop-filter: blur(10px);
}

.kicker::before{
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent-3);
  box-shadow: 0 0 0 5px rgba(212,176,123,.14);
}

.hero h1{
  margin: 16px 0 14px;
  font-size: clamp(38px, 5.4vw, 66px);
  line-height: 1.08;
  letter-spacing: .01em;
  text-wrap: balance;
}

.hero-subtitle{
  max-width: 650px;
  margin: 0;
  color: rgba(255,247,240,.84);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: .01em;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover,
.btn:focus-visible{
  transform: translateY(-1px);
}

.btn-primary{
  background: linear-gradient(135deg, var(--accent), #a75e36);
  color: #fff;
  box-shadow: 0 18px 32px rgba(183,123,75,.26);
  border-color: rgba(255,255,255,.06);
}
.btn-primary:hover,
.btn-primary:focus-visible{
  box-shadow: 0 22px 38px rgba(183,123,75,.34);
}

.btn-secondary{
  background: rgba(255,255,255,.08);
  color: #fff;
  border-color: rgba(255,255,255,.18);
}
.btn-secondary:hover,
.btn-secondary:focus-visible{
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.28);
}

.btn-dark{
  background: var(--surface-dark);
  color: #fff;
  border-color: rgba(255,255,255,.10);
}
.btn-outline{
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.hero-visual{
  position: relative;
  min-height: 460px;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: var(--shadow-2);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.08);
}

.hero-visual img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 460px;
  transform: scale(1.02);
}

.hero-visual::before{
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(21,14,16,.08), rgba(21,14,16,.58)),
    radial-gradient(circle at 20% 20%, rgba(212,176,123,.16), transparent 34%);
  z-index: 1;
}

.hero-floating{
  position: absolute;
  z-index: 2;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 12px;
}

.hero-panel{
  border-radius: 22px;
  background: rgba(23,17,20,.72);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
  padding: 16px;
  color: #fff6ee;
}

.hero-panel h3{
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.35;
}

.hero-panel p{
  margin: 0;
  color: rgba(255,247,240,.76);
  font-size: 14px;
  line-height: 1.75;
}

.tag-row{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag{
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,247,240,.92);
  font-size: 12px;
  white-space: nowrap;
}

.tag.accent{
  background: rgba(183,123,75,.22);
  border-color: rgba(212,176,123,.26);
}

.quick-strip{
  padding: 18px 0 8px;
}

.quick-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.quick-card{
  padding: 16px 16px 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.quick-card strong{
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}

.quick-card p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.section{
  padding: 68px 0;
}

.section-head{
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.section-title{
  max-width: 700px;
}

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.eyebrow::before{
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(183,123,75,.10);
}

.section-title h2{
  margin: 10px 0 10px;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.18;
  letter-spacing: .01em;
}

.section-title p{
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.section-link{
  color: var(--accent-2);
  font-weight: 700;
  white-space: nowrap;
}

.section-link:hover,
.section-link:focus-visible{
  color: var(--accent);
}

.featured-grid{
  display: grid;
  grid-template-columns: 1.25fr .75fr .75fr;
  gap: 16px;
}

.featured-large{
  grid-row: span 2;
  min-height: 440px;
}

.feature-card{
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  min-height: 212px;
}

.feature-card:hover{
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.feature-link{
  display: block;
  height: 100%;
}

.feature-media{
  position: relative;
  height: 100%;
  min-height: 212px;
  overflow: hidden;
}

.feature-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

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

.feature-media::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 18%, rgba(19,12,14,.76) 100%),
    linear-gradient(120deg, rgba(183,123,75,.16), transparent 40%);
}

.feature-copy{
  position: absolute;
  z-index: 2;
  inset: auto 18px 18px 18px;
  color: #fff8f2;
}

.feature-copy h3{
  margin: 10px 0 8px;
  font-size: 24px;
  line-height: 1.25;
}

.feature-copy p{
  margin: 0;
  color: rgba(255,247,240,.82);
  font-size: 14px;
  line-height: 1.8;
  max-width: 28ch;
}

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

.feature-card.small .feature-copy p{
  max-width: none;
}

.card-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-badge{
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,247,240,.9);
  font-size: 12px;
}

.guide-layout{
  display: grid;
  grid-template-columns: 1fr .95fr;
  gap: 16px;
  align-items: stretch;
}

.guide-panel{
  border-radius: 30px;
  overflow: hidden;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.guide-copy{
  padding: 28px;
}

.guide-copy h3{
  margin: 12px 0 12px;
  font-size: 28px;
  line-height: 1.25;
}

.guide-copy p{
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.85;
}

.guide-list{
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-list li{
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 15px;
  border-radius: 18px;
  background: rgba(183,123,75,.07);
  border: 1px solid rgba(183,123,75,.10);
}

.guide-list span{
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(183,123,75,.18);
  color: var(--accent-2);
  font-weight: 800;
  flex: 0 0 auto;
}

.guide-list strong{
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
}

.guide-list p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.guide-visual{
  position: relative;
  min-height: 100%;
  border-radius: 30px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(21,14,16,.15), rgba(21,14,16,.72)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.guide-visual::before{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,12,14,.05), rgba(18,12,14,.55));
}

.guide-overlay{
  position: absolute;
  inset: auto 18px 18px 18px;
  z-index: 1;
  padding: 18px;
  border-radius: 22px;
  background: rgba(20,13,15,.72);
  border: 1px solid rgba(255,255,255,.10);
  color: #fff7f0;
}

.guide-overlay h3{
  margin: 0 0 10px;
  font-size: 20px;
}

.guide-overlay p{
  margin: 0 0 14px;
  color: rgba(255,247,240,.8);
  line-height: 1.8;
}

.guide-overlay .btn{
  margin-top: 4px;
}

.updates-layout{
  display: grid;
  grid-template-columns: 1.4fr .72fr;
  gap: 16px;
  align-items: start;
}

.updates-list{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.news-card{
  display: grid;
  gap: 0;
  overflow: hidden;
  border-radius: 24px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  min-height: 100%;
}

.news-card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: rgba(183,123,75,.22);
}

.news-card--thumb .news-media{
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-soft);
}

.news-card--thumb .news-media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

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

.news-card--thumb .news-media::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(17,11,13,.28) 100%);
}

.news-body{
  padding: 18px 18px 20px;
}

.news-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.meta-pill{
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(183,123,75,.08);
  color: var(--accent-2);
  border: 1px solid rgba(183,123,75,.12);
  font-size: 12px;
  font-weight: 700;
}

.meta-time{
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(36,24,27,.06);
  color: var(--muted);
  border: 1px solid rgba(36,24,27,.08);
  font-size: 12px;
}

.news-body h3{
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: .01em;
}

.news-body p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.news-action{
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-2);
  font-weight: 700;
  font-size: 14px;
}

.news-action::after{
  content: "→";
  transition: transform var(--transition);
}
.news-card:hover .news-action::after{
  transform: translateX(3px);
}

.news-card--text{
  padding: 18px;
  position: relative;
}
.news-card--text::before{
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
}

.news-card--text .news-body{
  padding: 4px 4px 4px 14px;
}

.updates-aside{
  position: sticky;
  top: 104px;
  display: grid;
  gap: 16px;
}

.aside-card{
  overflow: hidden;
  border-radius: 24px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.aside-image{
  aspect-ratio: 4/3;
  background: linear-gradient(180deg, rgba(21,14,16,.06), rgba(21,14,16,.38));
}
.aside-image img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.aside-copy{
  padding: 18px;
}

.aside-copy h3{
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.3;
}

.aside-copy p{
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.8;
}

.aside-list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.aside-list li{
  padding-left: 4px;
}

.empty-state{
  grid-column: 1 / -1;
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 24px;
  border-radius: 24px;
  background: var(--surface-strong);
  border: 1px dashed rgba(36,24,27,.18);
  color: var(--muted);
  box-shadow: var(--shadow);
  text-align: center;
  font-size: 15px;
}

.faq-grid{
  display: grid;
  gap: 14px;
}

.faq-item{
  border-radius: 20px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-item[open]{
  border-color: rgba(183,123,75,.22);
  box-shadow: var(--shadow-2);
}

.faq-item summary{
  list-style: none;
  padding: 18px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-weight: 800;
  font-size: 16px;
}

.faq-item summary::-webkit-details-marker{
  display: none;
}

.faq-item summary::after{
  content: "+";
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(183,123,75,.10);
  color: var(--accent-2);
  font-size: 18px;
  line-height: 1;
  transition: transform var(--transition), background-color var(--transition);
}

.faq-item[open] summary::after{
  content: "−";
  background: rgba(183,123,75,.16);
}

.faq-answer{
  padding: 0 20px 18px;
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}

.cta-section{
  padding-top: 0;
}

.cta-panel{
  overflow: hidden;
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(23,16,18,.96), rgba(45,26,29,.96)),
    url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
  color: #fff7f0;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 24px 54px rgba(36,24,27,.20);
}

.cta-inner{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 16px;
  padding: 28px;
  align-items: center;
}

.cta-copy h2{
  margin: 0 0 10px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.18;
}

.cta-copy p{
  margin: 0;
  color: rgba(255,247,240,.82);
  line-height: 1.85;
  max-width: 62ch;
}

.cta-form{
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
}

.field-row{
  display: grid;
  gap: 10px;
}

.label{
  font-size: 13px;
  color: rgba(255,247,240,.76);
}

.input{
  width: 100%;
  min-height: 48px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.08);
  color: #fff;
  padding: 0 14px;
  outline: none;
  transition: border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
}

.input::placeholder{
  color: rgba(255,247,240,.52);
}

.input:focus{
  border-color: rgba(212,176,123,.34);
  background: rgba(255,255,255,.10);
  box-shadow: 0 0 0 4px rgba(212,176,123,.12);
}

.form-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.form-note{
  margin: 0;
  font-size: 13px;
  color: rgba(255,247,240,.68);
  line-height: 1.7;
}

.site-footer{
  padding: 26px 0 34px;
  color: rgba(255,247,240,.76);
  background: linear-gradient(180deg, rgba(24,17,20,1), rgba(17,11,13,1));
  margin-top: 68px;
  border-top: 1px solid rgba(255,255,255,.06);
}

.footer-grid{
  display: grid;
  grid-template-columns: 1.15fr .85fr .85fr;
  gap: 18px;
  align-items: start;
}

.footer-brand{
  display: grid;
  gap: 14px;
}

.footer-brand .brand{
  align-items: center;
}

.footer-brand p{
  margin: 0;
  line-height: 1.85;
  color: rgba(255,247,240,.70);
  max-width: 36ch;
}

.footer-links,
.footer-notes{
  display: grid;
  gap: 12px;
}

.footer-links h3,
.footer-notes h3{
  margin: 0;
  color: #fff7f0;
  font-size: 16px;
}

.footer-links a{
  width: fit-content;
  color: rgba(255,247,240,.72);
}
.footer-links a:hover,
.footer-links a:focus-visible{
  color: #fff;
}

.footer-notes p{
  margin: 0;
  color: rgba(255,247,240,.68);
  line-height: 1.8;
  font-size: 14px;
}

.footer-bottom{
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,247,240,.58);
}

.footer-bottom a{
  color: rgba(255,247,240,.82);
}

.footer-bottom a:hover,
.footer-bottom a:focus-visible{
  color: #fff;
}

.anchor-top{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 900;
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(23,17,20,.90);
  color: #fff;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
}

.anchor-top:hover,
.anchor-top:focus-visible{
  transform: translateY(-2px);
  background: rgba(28,20,23,.98);
}

@media (max-width: 1120px){
  .hero-grid,
  .guide-layout,
  .updates-layout,
  .cta-inner,
  .footer-grid{
    grid-template-columns: 1fr;
  }
  .featured-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .featured-large{
    grid-row: auto;
    grid-column: 1 / -1;
  }
  .updates-aside{
    position: static;
  }
}

@media (max-width: 900px){
  .notice-bar .container{
    flex-direction: column;
    align-items: flex-start;
  }
  .site-nav{
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 10px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 12px;
    border-radius: 20px;
    background: rgba(24,17,20,.96);
    border: 1px solid rgba(255,255,255,.10);
    box-shadow: var(--shadow-2);
  }
  .site-nav.is-open{
    display: flex;
  }
  .site-nav a{
    justify-content: center;
    width: 100%;
  }
  .nav-shell{
    position: relative;
  }
  .nav-toggle{
    display: inline-flex;
  }
  .nav-cta{
    margin-left: 0;
  }
  .hero-inner{
    padding-top: 34px;
  }
  .quick-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .updates-list{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px){
  .container{
    width: min(100% - 22px, 1180px);
  }
  .hero h1{
    font-size: clamp(34px, 12vw, 46px);
  }
  .hero-subtitle,
  .section-title p,
  .guide-copy p,
  .cta-copy p{
    font-size: 15px;
  }
  .hero-visual,
  .hero-visual img{
    min-height: 360px;
  }
  .hero-floating{
    grid-template-columns: 1fr;
  }
  .quick-grid,
  .featured-grid{
    grid-template-columns: 1fr;
  }
  .section{
    padding: 54px 0;
  }
  .section-head{
    flex-direction: column;
    align-items: flex-start;
  }
  .guide-copy,
  .cta-inner,
  .news-body,
  .aside-copy{
    padding: 18px;
  }
  .faq-item summary{
    padding: 16px 16px;
    font-size: 15px;
  }
  .faq-answer{
    padding: 0 16px 16px;
  }
  .footer-bottom{
    flex-direction: column;
  }
}

/* roulang page: article */
:root{
  --bg: #f5f0ea;
  --bg-soft: #efe7df;
  --surface: rgba(255,255,255,.88);
  --surface-strong: #ffffff;
  --surface-dark: #1a1214;
  --surface-dark-2: #24181b;
  --text: #24181b;
  --muted: #6f5d60;
  --muted-2: #8d7c7f;
  --border: rgba(36,24,27,.12);
  --border-strong: rgba(36,24,27,.18);
  --accent: #b77b4b;
  --accent-2: #8d4250;
  --accent-3: #d4b07b;
  --accent-4: #ffe7c2;
  --shadow: 0 14px 40px rgba(36,24,27,.08);
  --shadow-2: 0 18px 48px rgba(36,24,27,.14);
  --radius: 22px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100% - 32px));
  --transition: 220ms ease;
  --header-h: 78px;
}
*{
  box-sizing: border-box;
}
html{
  scroll-behavior: smooth;
}
body{
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--text);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(circle at top left, rgba(183,123,75,.10), transparent 28%),
    radial-gradient(circle at top right, rgba(141,66,80,.10), transparent 24%),
    linear-gradient(180deg, #faf7f3 0%, var(--bg) 100%);
}
body::selection,
::selection{
  background: rgba(183,123,75,.28);
  color: #1f1416;
}
img{
  display: block;
  max-width: 100%;
}
a{
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition), transform var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
}
a:hover{
  color: var(--accent);
}
button,
input,
textarea,
select{
  font: inherit;
}
button{
  cursor: pointer;
}
:focus-visible{
  outline: 3px solid rgba(183,123,75,.34);
  outline-offset: 3px;
}
.container{
  width: var(--container);
  margin: 0 auto;
}
main{
  display: block;
}
section{
  scroll-margin-top: calc(var(--header-h) + 18px);
}
.site-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  background: rgba(24,17,20,.82);
  border-bottom: 1px solid rgba(255,255,255,.06);
  color: #fff7f0;
}
.notice-bar{
  padding: 10px 0;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid rgba(255,255,255,.05);
  font-size: 13px;
}
.notice-bar .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: rgba(255,247,240,.88);
}
.notice-dot{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
}
.notice-dot::before{
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  box-shadow: 0 0 0 5px rgba(212,176,123,.12);
}
.nav-shell{
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: .02em;
  color: #fff;
  white-space: nowrap;
}
.brand-badge{
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(183,123,75,.24), rgba(141,66,80,.18));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.09);
  font-size: 15px;
  font-weight: 800;
}
.brand-text{
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong{
  font-size: 16px;
}
.brand-text span{
  font-size: 12px;
  color: rgba(255,247,240,.72);
  margin-top: 5px;
}
.site-nav{
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.site-nav a{
  display: inline-flex;
  align-items: center;
  height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  color: rgba(255,247,240,.82);
  border: 1px solid transparent;
  position: relative;
}
.site-nav a:hover,
.site-nav a:focus-visible{
  color: #fff;
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.08);
}
.site-nav a.active{
  color: var(--surface-strong);
  background: rgba(183,123,75,.18);
  border-color: rgba(212,176,123,.26);
}
.nav-cta{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #a96237);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(183,123,75,.24);
  border: 1px solid rgba(255,255,255,.08);
  margin-left: 8px;
}
.nav-cta:hover,
.nav-cta:focus-visible{
  transform: translateY(-1px);
  color: #fff;
  box-shadow: 0 18px 34px rgba(183,123,75,.32);
}
.nav-toggle{
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-left: auto;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  background: rgba(255,255,255,.06);
  color: #fff;
}
.nav-toggle span{
  position: relative;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}
.nav-toggle span::before{
  top: -6px;
}
.nav-toggle span::after{
  top: 6px;
}
.article-hero{
  position: relative;
  overflow: hidden;
  color: #fff8f2;
  background:
    linear-gradient(180deg, rgba(21,14,16,.14), rgba(21,14,16,.74)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.article-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(212,176,123,.16), transparent 32%),
    radial-gradient(circle at 80% 10%, rgba(141,66,80,.22), transparent 28%),
    linear-gradient(180deg, transparent 0, rgba(18,12,14,.18) 50%, rgba(18,12,14,.42) 100%);
  pointer-events: none;
}
.article-hero-inner{
  position: relative;
  z-index: 1;
  padding: 48px 0 34px;
}
.article-hero-grid{
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 28px;
  align-items: center;
}
.hero-kicker{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  color: rgba(255,247,240,.88);
  font-size: 13px;
  backdrop-filter: blur(8px);
}
.article-hero h1{
  margin: 16px 0 14px;
  font-size: clamp(34px, 5.2vw, 64px);
  line-height: 1.08;
  letter-spacing: .01em;
  text-wrap: balance;
}
.article-lead{
  max-width: 670px;
  margin: 0;
  color: rgba(255,247,240,.86);
  font-size: 17px;
  line-height: 1.92;
}
.hero-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.chip{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 13px;
  border-radius: 999px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.10);
  color: rgba(255,247,240,.9);
  font-size: 13px;
  backdrop-filter: blur(8px);
}
.chip strong{
  color: #fff;
}
.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: .01em;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);
}
.btn:hover,
.btn:focus-visible{
  transform: translateY(-1px);
}
.btn-primary{
  background: linear-gradient(135deg, var(--accent), #a75e36);
  color: #fff;
  box-shadow: 0 18px 32px rgba(183,123,75,.26);
  border-color: rgba(255,255,255,.06);
}
.btn-primary:hover,
.btn-primary:focus-visible{
  color: #fff;
  box-shadow: 0 22px 38px rgba(183,123,75,.34);
}
.btn-secondary{
  background: rgba(255,255,255,.08);
  color: #fff;
  border-color: rgba(255,255,255,.12);
}
.btn-secondary:hover,
.btn-secondary:focus-visible{
  color: #fff;
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.18);
}
.btn-text{
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.12);
}
.btn-text:hover,
.btn-text:focus-visible{
  color: #fff;
  background: rgba(255,255,255,.06);
}
.signal-row{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 22px;
}
.signal{
  padding: 14px 15px;
  border-radius: 18px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.09);
  color: rgba(255,247,240,.84);
  backdrop-filter: blur(8px);
}
.signal strong{
  display: block;
  color: #fff;
  font-size: 15px;
  margin-bottom: 4px;
}
.signal span{
  font-size: 13px;
  line-height: 1.65;
}
.article-hero-media{
  position: relative;
  min-height: 420px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-2);
  border: 1px solid rgba(255,255,255,.10);
  background: #1b1215;
}
.article-hero-media img{
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}
.article-hero-media .media-overlay{
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,12,14,.08), rgba(18,12,14,.28) 55%, rgba(18,12,14,.78));
  pointer-events: none;
}
.media-card{
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(26,18,20,.78);
  border: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(12px);
}
.media-card h3{
  margin: 8px 0 8px;
  font-size: 20px;
  line-height: 1.34;
}
.media-card p{
  margin: 0;
  color: rgba(255,247,240,.8);
  font-size: 13px;
  line-height: 1.85;
}
.media-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.media-tag{
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.08);
  color: rgba(255,247,240,.92);
  font-size: 12px;
}
.page-wrap{
  padding: 28px 0 6px;
}
.article-layout{
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .85fr);
  gap: 22px;
  align-items: start;
}
.content-panel{
  background: var(--surface);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 24px;
}
.breadcrumb{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}
.breadcrumb a{
  color: var(--muted);
}
.breadcrumb a:hover{
  color: var(--accent);
}
.breadcrumb .sep{
  color: rgba(111,93,96,.55);
}
.article-head{
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.section-eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--accent-2);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.article-head h2{
  margin: 12px 0 10px;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.2;
  text-wrap: balance;
}
.article-info{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}
.info-pill{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(183,123,75,.08);
  border: 1px solid rgba(183,123,75,.12);
}
.article-content{
  padding-top: 22px;
  font-size: 17px;
  line-height: 1.95;
  color: var(--text);
  overflow-wrap: anywhere;
}
.article-content > *:first-child{
  margin-top: 0;
}
.article-content h2{
  margin: 34px 0 14px;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.35;
  padding-top: 6px;
}
.article-content h3{
  margin: 26px 0 12px;
  font-size: 20px;
  line-height: 1.4;
}
.article-content p{
  margin: 0 0 16px;
  color: #33272a;
}
.article-content ul,
.article-content ol{
  padding-left: 1.2rem;
  margin: 0 0 18px;
}
.article-content li{
  margin: 8px 0;
}
.article-content blockquote{
  margin: 20px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  background: rgba(183,123,75,.08);
  border-radius: 18px;
  color: #4a3639;
}
.article-content a{
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.article-content a:hover{
  border-bottom-color: var(--accent);
}
.article-content img{
  margin: 18px 0;
  border-radius: 18px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.article-content hr{
  margin: 26px 0;
  border: 0;
  border-top: 1px solid var(--border);
}
.article-content table{
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  overflow: hidden;
  border-radius: 18px;
  box-shadow: var(--shadow);
  background: #fff;
}
.article-content th,
.article-content td{
  padding: 12px 14px;
  border: 1px solid var(--border);
  text-align: left;
}
.article-content th{
  background: rgba(183,123,75,.08);
}
.article-content code{
  padding: .16rem .45rem;
  border-radius: 10px;
  background: rgba(36,24,27,.08);
}
.article-content pre{
  padding: 18px;
  border-radius: 18px;
  background: #181114;
  color: #f9f2ea;
  overflow: auto;
}
.article-content pre code{
  background: transparent;
  padding: 0;
  color: inherit;
}
.article-content figure{
  margin: 18px 0;
}
.article-content figcaption{
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}
.article-content .aligncenter{
  display: block;
  margin-left: auto;
  margin-right: auto;
}
.empty-state{
  padding: 22px;
  border-radius: 20px;
  background: rgba(255,255,255,.9);
  border: 1px dashed rgba(183,123,75,.22);
  text-align: center;
}
.empty-state h3{
  margin: 0 0 10px;
  font-size: 24px;
}
.empty-state p{
  color: var(--muted);
  margin: 0 0 18px;
}
.sidebar{
  display: grid;
  gap: 18px;
  position: sticky;
  top: calc(var(--header-h) + 18px);
}
.side-card{
  background: var(--surface);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.side-card h3{
  margin: 0 0 14px;
  font-size: 18px;
}
.side-list{
  display: grid;
  gap: 10px;
}
.side-link{
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.72);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.side-link:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(36,24,27,.16);
}
.side-link .mini-dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  margin-top: 7px;
  flex: none;
}
.side-link strong{
  display: block;
  font-size: 14px;
  line-height: 1.5;
}
.side-link span{
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}
.side-cover{
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  padding: 0;
}
.side-cover img{
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.side-cover .cover-mask{
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 42%, rgba(18,12,14,.8));
}
.side-cover .cover-copy{
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  color: #fff;
}
.side-cover .cover-copy h4{
  margin: 0 0 6px;
  font-size: 18px;
}
.side-cover .cover-copy p{
  margin: 0;
  font-size: 13px;
  color: rgba(255,255,255,.84);
  line-height: 1.75;
}
.section-block{
  padding: 18px 0 0;
}
.section-head{
  margin-bottom: 18px;
}
.section-title{
  margin: 8px 0 8px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.2;
}
.section-head p{
  margin: 0;
  color: var(--muted);
  max-width: 760px;
}
.feature-grid{
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: 18px;
}
.feature-main{
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 360px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-2);
  background: #1b1215;
}
.feature-main img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
  opacity: .9;
}
.feature-main .overlay{
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,12,14,.08), rgba(18,12,14,.76));
}
.feature-main .copy{
  position: absolute;
  inset: auto 20px 20px 20px;
  color: #fff;
}
.feature-main .copy .kicker{
  display: inline-flex;
  margin-bottom: 8px;
}
.feature-main .copy h3{
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.25;
}
.feature-main .copy p{
  margin: 0;
  max-width: 560px;
  color: rgba(255,255,255,.84);
}
.feature-stack{
  display: grid;
  gap: 14px;
}
.mini-feature{
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 14px;
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.mini-feature:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}
.mini-feature img{
  width: 112px;
  height: 100%;
  object-fit: cover;
}
.mini-feature .body{
  padding: 14px 16px 14px 0;
}
.mini-feature .body h4{
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.35;
}
.mini-feature .body p{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}
.update-grid{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.update-card{
  grid-column: span 6;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 150px 1fr;
  min-height: 160px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.update-card:hover{
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
  border-color: var(--border-strong);
}
.update-card.visual{
  grid-template-columns: 1fr;
  min-height: auto;
}
.update-card.visual .thumb{
  width: 100%;
  aspect-ratio: 16 / 9;
}
.update-card .thumb{
  position: relative;
  background: #f1e9df;
}
.update-card .thumb img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.update-card .thumb::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(18,12,14,.26));
}
.update-card .body{
  padding: 16px 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.update-card .meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}
.update-card h3{
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
}
.update-card p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.update-card .go{
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-2);
  font-weight: 700;
  font-size: 13px;
}
.update-card .go::after{
  content: "→";
  transition: transform var(--transition);
}
.update-card:hover .go::after{
  transform: translateX(2px);
}
.accordion{
  display: grid;
  gap: 12px;
}
.faq-item{
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-item summary{
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 700;
  color: var(--text);
}
.faq-item summary::-webkit-details-marker{
  display: none;
}
.faq-item summary::after{
  content: "+";
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(183,123,75,.10);
  color: var(--accent-2);
  flex: none;
  transition: transform var(--transition), background-color var(--transition);
}
.faq-item[open] summary::after{
  content: "–";
  background: rgba(141,66,80,.12);
}
.faq-item .answer{
  padding: 0 20px 18px;
  color: var(--muted);
  line-height: 1.9;
}
.cta-band{
  padding: 20px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(26,18,20,.96), rgba(39,26,29,.96));
  color: #fff8f2;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow-2);
}
.cta-band .rowx{
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.cta-band h2{
  margin: 0 0 8px;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.2;
}
.cta-band p{
  margin: 0;
  color: rgba(255,247,240,.82);
  max-width: 760px;
}
.cta-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.cta-band .btn-secondary{
  background: rgba(255,255,255,.08);
  color: #fff;
  border-color: rgba(255,255,255,.12);
}
.site-footer{
  margin-top: 26px;
  background: linear-gradient(180deg, #1a1214, #120c0e);
  color: #f8efe7;
  padding: 34px 0 18px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.3fr .8fr 1fr;
  gap: 22px;
  align-items: start;
}
.footer-brand p{
  margin: 14px 0 0;
  color: rgba(248,239,231,.76);
  line-height: 1.9;
}
.footer-links h3,
.footer-notes h3{
  margin: 0 0 14px;
  font-size: 16px;
}
.footer-links,
.footer-notes{
  display: grid;
  gap: 10px;
}
.footer-links a{
  display: inline-flex;
  width: max-content;
  color: rgba(248,239,231,.82);
}
.footer-links a:hover{
  color: #fff;
}
.footer-notes p{
  margin: 0;
  color: rgba(248,239,231,.72);
  line-height: 1.9;
}
.footer-bottom{
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: rgba(248,239,231,.72);
  font-size: 13px;
}
.footer-bottom a{
  color: #fff;
}
@media (max-width: 1199px){
  .article-layout{
    grid-template-columns: 1fr .8fr;
  }
  .signal-row{
    grid-template-columns: repeat(2, 1fr);
  }
  .update-card{
    grid-column: span 12;
  }
}
@media (max-width: 991px){
  .nav-toggle{
    display: inline-flex;
  }
  .nav-shell{
    flex-wrap: wrap;
  }
  .site-nav{
    display: none;
    order: 4;
    width: 100%;
    margin: 0;
    padding: 10px;
    border-radius: 20px;
    background: rgba(26,18,20,.96);
    border: 1px solid rgba(255,255,255,.08);
    box-shadow: var(--shadow-2);
  }
  .site-header.nav-open .site-nav{
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  .site-nav a,
  .nav-cta{
    width: 100%;
    justify-content: center;
  }
  .nav-cta{
    order: 5;
    margin-left: 0;
  }
  .article-hero-grid,
  .article-layout,
  .feature-grid,
  .footer-grid{
    grid-template-columns: 1fr;
  }
  .sidebar{
    position: static;
  }
  .feature-main{
    min-height: 300px;
  }
  .feature-main img{
    min-height: 300px;
  }
  .mini-feature{
    grid-template-columns: 100px 1fr;
  }
}
@media (max-width: 767px){
  :root{
    --header-h: 74px;
  }
  .notice-bar .container{
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-actions,
  .cta-actions{
    width: 100%;
  }
  .btn{
    width: 100%;
  }
  .signal-row{
    grid-template-columns: 1fr;
  }
  .article-hero-inner{
    padding: 30px 0 24px;
  }
  .article-hero h1{
    font-size: clamp(30px, 9vw, 42px);
  }
  .article-content{
    font-size: 16px;
  }
  .content-panel,
  .side-card{
    padding: 18px;
  }
  .section-title{
    font-size: clamp(22px, 7vw, 30px);
  }
  .cta-band{
    padding: 18px;
  }
  .footer-bottom{
    flex-direction: column;
  }
}
@media (max-width: 520px){
  .container{
    width: min(100% - 24px, 1180px);
  }
  .brand-badge{
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }
  .brand-text strong{
    font-size: 15px;
  }
  .brand-text span{
    font-size: 11px;
  }
  .article-hero-media{
    min-height: 320px;
  }
  .article-hero-media img{
    min-height: 320px;
  }
  .mini-feature{
    grid-template-columns: 1fr;
  }
  .mini-feature img{
    width: 100%;
    aspect-ratio: 16 / 10;
  }
  .mini-feature .body{
    padding: 0 16px 16px;
  }
  .faq-item summary{
    padding: 16px;
  }
  .faq-item .answer{
    padding: 0 16px 16px;
  }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}