/* roulang page: index */
:root{
  --bg:#f7f3ee;
  --bg-soft:#fbf9f6;
  --surface:#ffffff;
  --surface-2:#f2ebe2;
  --surface-dark:#151515;
  --surface-dark-2:#1d1d1d;
  --text:#161616;
  --muted:#66615a;
  --muted-2:#8c857c;
  --line:rgba(20,20,20,.12);
  --line-strong:rgba(20,20,20,.18);
  --accent:#b77846;
  --accent-2:#9f4158;
  --accent-soft:#f1ded0;
  --accent-soft-2:#ead6db;
  --white:#fff;
  --shadow:0 18px 45px rgba(18,18,18,.08);
  --shadow-lg:0 30px 70px rgba(18,18,18,.14);
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:18px;
  --radius-xl:24px;
  --container:1240px;
  --gutter:32px;
  --gutter-sm:18px;
  --transition:.22s ease;
  --header-h:78px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  font-family:PingFang SC, Microsoft YaHei, Noto Sans SC, Arial, sans-serif;
  line-height:1.6;
  background:
    radial-gradient(circle at top left, rgba(183,120,70,.08), transparent 30%),
    radial-gradient(circle at right 20%, rgba(159,65,88,.06), transparent 28%),
    linear-gradient(180deg, #faf8f5 0%, #f7f3ee 28%, #f4eee7 100%);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.02), rgba(255,255,255,.02)),
    radial-gradient(rgba(0,0,0,.03) .5px, transparent .7px);
  background-size:100% 100%, 18px 18px;
  opacity:.4;
  mix-blend-mode:multiply;
  z-index:-1;
}

a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p,h1,h2,h3,h4,h5,h6{margin:0}
::selection{background:rgba(183,120,70,.24);color:#111}

.container{
  width:min(var(--container), calc(100% - 2 * var(--gutter)));
  margin-inline:auto;
}
.section{
  padding:84px 0;
  scroll-margin-top:96px;
}
.section.compact{
  padding:64px 0;
}
.section-dark{
  color:#f3ece4;
  background:
    linear-gradient(180deg, rgba(21,21,21,.96), rgba(21,21,21,.92)),
    radial-gradient(circle at top left, rgba(183,120,70,.1), transparent 34%);
}
.section-dark .muted,
.section-dark .section-subtitle,
.section-dark .fine{
  color:rgba(243,236,228,.74);
}
.section-dark .panel,
.section-dark .card,
.section-dark .faq-item{
  background:rgba(255,255,255,.03);
  border-color:rgba(255,255,255,.12);
  box-shadow:none;
}
.section-dark .section-title h2,
.section-dark .section-title p,
.section-dark .section-title .eyebrow{
  color:#f7f0e8;
}

.skip-link{
  position:absolute;
  left:16px;
  top:-48px;
  z-index:1000;
  background:var(--surface-dark);
  color:#fff;
  padding:10px 14px;
  border-radius:10px;
  transition:top var(--transition);
}
.skip-link:focus{top:12px;outline:none}

.topbar{
  position:relative;
  z-index:40;
  background:#0f0f0f;
  color:#f6ede4;
  font-size:13px;
  letter-spacing:.01em;
}
.topbar .container{
  min-height:42px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:8px 0;
}
.topbar .notice{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.topbar .notice strong{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  color:#fff;
  font-weight:700;
  letter-spacing:.04em;
}
.topbar .notice span{
  color:rgba(246,237,228,.82);
}
.topbar .notice .sep{
  width:4px;height:4px;border-radius:50%;
  background:rgba(246,237,228,.35);
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(16px);
  background:rgba(247,243,238,.82);
  border-bottom:1px solid rgba(20,20,20,.08);
}
.site-header.is-scrolled{
  background:rgba(247,243,238,.94);
  box-shadow:0 8px 28px rgba(18,18,18,.06);
}
.header-inner{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  gap:18px;
  justify-content:space-between;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.brand-mark{
  width:38px;
  height:38px;
  flex:0 0 38px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:linear-gradient(145deg, var(--accent), var(--accent-2));
  color:#fff;
  font-size:14px;
  font-weight:800;
  box-shadow:0 10px 20px rgba(183,120,70,.28);
}
.brand-text{
  min-width:0;
  display:flex;
  flex-direction:column;
  line-height:1.2;
}
.brand-text strong{
  font-size:18px;
  font-weight:800;
  letter-spacing:.01em;
  overflow-wrap:anywhere;
}
.brand-text span{
  margin-top:4px;
  font-size:12px;
  color:var(--muted);
  white-space:nowrap;
}

.nav-wrap{
  display:flex;
  align-items:center;
  gap:16px;
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(255,255,255,.74);
  color:var(--text);
  transition:transform var(--transition), border-color var(--transition), background var(--transition);
}
.nav-toggle:hover{
  border-color:rgba(183,120,70,.42);
  transform:translateY(-1px);
}
.nav-toggle:focus-visible,
.nav-link:focus-visible,
.btn:focus-visible,
.topic-card:focus-visible,
.faq-item summary:focus-visible,
.brand:focus-visible{
  outline:2px solid rgba(183,120,70,.72);
  outline-offset:3px;
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:16px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  padding:8px;
  border:1px solid rgba(20,20,20,.08);
  border-radius:999px;
  background:rgba(255,255,255,.52);
  box-shadow:0 10px 24px rgba(18,18,18,.04);
}
.nav-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:42px;
  padding:0 16px;
  border-radius:999px;
  color:#333;
  font-size:14px;
  font-weight:600;
  transition:background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.nav-link:hover{
  background:rgba(183,120,70,.08);
  color:#111;
  transform:translateY(-1px);
}
.nav-link.active{
  background:linear-gradient(145deg, rgba(183,120,70,.15), rgba(159,65,88,.12));
  color:#111;
  box-shadow:inset 0 0 0 1px rgba(183,120,70,.22);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  justify-content:center;
  height:44px;
  padding:0 18px;
  border-radius:12px;
  border:1px solid rgba(183,120,70,.52);
  background:linear-gradient(145deg, var(--accent), #a5673e);
  color:#fff;
  font-size:14px;
  font-weight:700;
  box-shadow:0 16px 28px rgba(183,120,70,.2);
  transition:transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.nav-cta:hover{
  transform:translateY(-2px);
  box-shadow:0 20px 34px rgba(183,120,70,.28);
}
.nav-cta:active,
.btn:active{
  transform:translateY(1px);
}

.hero{
  position:relative;
  padding:26px 0 0;
}
.hero-shell{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  background:
    linear-gradient(135deg, rgba(17,17,17,.92), rgba(17,17,17,.76)),
    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow-lg);
  color:#f8f1e8;
}
.hero-shell::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg, rgba(17,17,17,.84) 0%, rgba(17,17,17,.58) 52%, rgba(17,17,17,.28) 100%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:28px;
  align-items:stretch;
  padding:34px;
}
.hero-copy{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:12px 0;
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:18px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  border-radius:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  color:#f8efe5;
  font-size:13px;
  font-weight:600;
  letter-spacing:.01em;
}
.badge.badge-accent{
  background:linear-gradient(145deg, rgba(183,120,70,.22), rgba(159,65,88,.18));
  border-color:rgba(245,240,234,.2);
}
.hero h1{
  font-size:clamp(34px, 4.6vw, 56px);
  line-height:1.06;
  letter-spacing:-.03em;
  max-width:12.5em;
  text-wrap:balance;
}
.hero-subtitle{
  margin-top:18px;
  max-width:56ch;
  color:rgba(248,241,232,.82);
  font-size:clamp(16px, 1.5vw, 18px);
  line-height:1.8;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 18px;
  border-radius:10px;
  border:1px solid transparent;
  transition:transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
  font-size:14px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(145deg, var(--accent), var(--accent-2));
  color:#fff;
  box-shadow:0 16px 28px rgba(183,120,70,.22);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 20px 36px rgba(183,120,70,.3);
}
.btn-secondary{
  color:#fff;
  background:transparent;
  border-color:rgba(255,255,255,.28);
}
.btn-secondary:hover{
  transform:translateY(-2px);
  border-color:rgba(255,255,255,.52);
  background:rgba(255,255,255,.08);
}
.hero-features{
  margin-top:28px;
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:12px;
}
.hero-feature{
  padding:16px 15px;
  border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(10px);
}
.hero-feature strong{
  display:block;
  font-size:15px;
  font-weight:800;
}
.hero-feature span{
  display:block;
  margin-top:6px;
  color:rgba(248,241,232,.74);
  font-size:13px;
  line-height:1.6;
}
.hero-media{
  display:flex;
  align-items:stretch;
}
.hero-card{
  position:relative;
  width:100%;
  overflow:hidden;
  border-radius:22px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.hero-card__image{
  position:relative;
  min-height:100%;
  height:100%;
}
.hero-card__image img{
  width:100%;
  height:100%;
  min-height:440px;
  object-fit:cover;
}
.hero-card__image::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(17,17,17,.12) 0%, rgba(17,17,17,.7) 100%);
}
.hero-card__copy{
  position:absolute;
  left:20px;
  right:20px;
  bottom:18px;
  z-index:1;
  padding:18px;
  border-radius:18px;
  background:rgba(17,17,17,.52);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(8px);
}
.hero-card__copy h3{
  font-size:24px;
  line-height:1.2;
  font-weight:800;
  margin-top:10px;
}
.hero-card__copy p{
  margin-top:10px;
  color:rgba(248,241,232,.76);
  font-size:14px;
  line-height:1.75;
}
.hero-card__chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  color:#fff;
  border:1px solid rgba(255,255,255,.12);
  font-size:12px;
  font-weight:600;
}

.section-heading{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:26px;
}
.section-heading .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  width:max-content;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(183,120,70,.12);
  color:#8a542f;
  border:1px solid rgba(183,120,70,.18);
  font-size:12px;
  font-weight:800;
  letter-spacing:.06em;
}
.section-heading h2{
  font-size:clamp(26px, 3vw, 38px);
  line-height:1.12;
  letter-spacing:-.02em;
}
.section-heading p{
  color:var(--muted);
  font-size:16px;
  line-height:1.8;
  max-width:72ch;
}
.section-tools{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:18px;
  flex-wrap:wrap;
}
.tag-row{
  display:flex;
  gap:10px;
  overflow:auto;
  padding-bottom:4px;
  scrollbar-width:none;
}
.tag-row::-webkit-scrollbar{display:none}
.tag{
  display:inline-flex;
  align-items:center;
  padding:8px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  color:#44362b;
  background:rgba(183,120,70,.12);
  border:1px solid rgba(183,120,70,.16);
  white-space:nowrap;
}
.tag.soft{
  color:#5d3d47;
  background:rgba(159,65,88,.1);
  border-color:rgba(159,65,88,.12);
}
.tag.neutral{
  color:#404040;
  background:rgba(0,0,0,.05);
  border-color:rgba(0,0,0,.08);
}

.panel{
  background:rgba(255,255,255,.78);
  border:1px solid rgba(20,20,20,.08);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.card{
  background:var(--surface);
  border:1px solid rgba(20,20,20,.08);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow);
}
.topic-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:22px;
}
.topic-feature{
  padding:22px;
  background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(249,244,238,.96));
}
.topic-feature h3{
  font-size:24px;
  line-height:1.18;
  font-weight:800;
}
.topic-feature p{
  margin-top:12px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}
.topic-list{
  margin-top:18px;
  display:grid;
  gap:12px;
}
.topic-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 14px;
  border-radius:14px;
  background:rgba(255,255,255,.88);
  border:1px solid rgba(20,20,20,.08);
}
.topic-item i{
  flex:0 0 auto;
  width:24px;
  height:24px;
  border-radius:7px;
  background:linear-gradient(145deg, rgba(183,120,70,.18), rgba(159,65,88,.15));
  position:relative;
  margin-top:2px;
}
.topic-item i::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:2px;
  background:currentColor;
  color:var(--accent);
}
.topic-item strong{
  display:block;
  font-size:15px;
  font-weight:800;
}
.topic-item span{
  display:block;
  margin-top:4px;
  color:var(--muted);
  font-size:13px;
  line-height:1.7;
}
.topic-visual{
  overflow:hidden;
  position:relative;
  min-height:100%;
  display:grid;
  grid-template-rows:1.2fr .8fr;
  gap:14px;
}
.visual-card{
  overflow:hidden;
  position:relative;
  border-radius:22px;
  border:1px solid rgba(20,20,20,.08);
  background:var(--surface);
  box-shadow:var(--shadow);
}
.visual-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1.001);
  transition:transform .45s ease;
}
.visual-card:hover img{
  transform:scale(1.045);
}
.visual-card .overlay{
  position:absolute;
  inset:auto 16px 16px 16px;
  padding:16px;
  border-radius:16px;
  background:rgba(17,17,17,.46);
  color:#fff;
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.12);
}
.visual-card .overlay h3{
  font-size:18px;
  line-height:1.3;
  font-weight:800;
}
.visual-card .overlay p{
  margin-top:6px;
  font-size:13px;
  line-height:1.7;
  color:rgba(255,255,255,.78);
}
.small-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.mini-card{
  padding:16px;
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.88), rgba(250,246,241,.96));
  border:1px solid rgba(20,20,20,.08);
}
.mini-card strong{
  font-size:15px;
  font-weight:800;
  display:block;
}
.mini-card p{
  margin-top:8px;
  color:var(--muted);
  font-size:13px;
  line-height:1.7;
}

.experience-grid{
  display:grid;
  grid-template-columns:.96fr 1.04fr;
  gap:24px;
  align-items:stretch;
}
.check-list{
  display:grid;
  gap:12px;
  margin-top:20px;
}
.check-item{
  display:flex;
  gap:12px;
  padding:16px 16px;
  border-radius:16px;
  background:rgba(255,255,255,.84);
  border:1px solid rgba(20,20,20,.08);
}
.check-item .mark{
  width:22px;
  height:22px;
  border-radius:7px;
  background:linear-gradient(145deg, var(--accent), var(--accent-2));
  box-shadow:0 10px 20px rgba(183,120,70,.18);
  flex:0 0 auto;
  margin-top:2px;
  position:relative;
}
.check-item .mark::after{
  content:"";
  position:absolute;
  left:7px;
  top:4px;
  width:6px;
  height:10px;
  border-right:2px solid #fff;
  border-bottom:2px solid #fff;
  transform:rotate(45deg);
}
.check-item strong{
  display:block;
  font-size:15px;
  font-weight:800;
}
.check-item span{
  display:block;
  margin-top:5px;
  color:var(--muted);
  font-size:13px;
  line-height:1.7;
}
.experience-panel{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(248,242,236,.98));
  border:1px solid rgba(20,20,20,.08);
  box-shadow:var(--shadow);
  padding:16px;
}
.experience-panel .panel-image{
  position:relative;
  overflow:hidden;
  border-radius:18px;
  min-height:320px;
}
.experience-panel .panel-image img{
  width:100%;
  height:100%;
  min-height:320px;
  object-fit:cover;
}
.experience-panel .panel-image::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(17,17,17,.08), rgba(17,17,17,.7));
}
.experience-panel .panel-copy{
  position:absolute;
  left:28px;
  right:28px;
  bottom:24px;
  z-index:1;
  color:#fff;
}
.experience-panel .panel-copy h3{
  font-size:24px;
  line-height:1.18;
  font-weight:800;
}
.experience-panel .panel-copy p{
  margin-top:10px;
  color:rgba(255,255,255,.78);
  font-size:14px;
  line-height:1.75;
  max-width:46ch;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:12px;
  margin-top:14px;
}
.stat{
  padding:14px 14px 13px;
  border-radius:14px;
  background:rgba(255,255,255,.9);
  border:1px solid rgba(20,20,20,.08);
}
.stat strong{
  display:block;
  font-size:15px;
  font-weight:800;
}
.stat span{
  display:block;
  margin-top:5px;
  font-size:12px;
  line-height:1.6;
  color:var(--muted);
}

.latest-layout{
  display:grid;
  grid-template-columns:.86fr 1.14fr;
  gap:24px;
  align-items:start;
}
.latest-intro{
  position:sticky;
  top:calc(var(--header-h) + 18px);
  padding:24px;
  border-radius:24px;
  background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,243,237,.98));
  border:1px solid rgba(20,20,20,.08);
  box-shadow:var(--shadow);
}
.latest-intro h3{
  font-size:24px;
  line-height:1.18;
  font-weight:800;
}
.latest-intro p{
  margin-top:12px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}
.latest-intro .meta-note{
  margin-top:16px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.latest-intro .meta-note .tag{
  font-size:12px;
}
.latest-intro .cta-row{
  margin-top:20px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.latest-list{
  display:grid;
  gap:14px;
}
.update-card{
  overflow:hidden;
  background:var(--surface);
  border:1px solid rgba(20,20,20,.08);
  border-radius:18px;
  box-shadow:var(--shadow);
  transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.update-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(183,120,70,.2);
}
.update-link{
  display:grid;
  grid-template-columns:160px minmax(0,1fr);
  gap:0;
}
.update-thumb{
  position:relative;
  overflow:hidden;
  min-height:100%;
}
.update-thumb img{
  width:100%;
  height:100%;
  min-height:154px;
  object-fit:cover;
  transition:transform .45s ease;
}
.update-card:hover .update-thumb img{
  transform:scale(1.06);
}
.update-body{
  padding:18px 18px 18px 20px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:10px;
}
.update-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  color:var(--muted);
  font-size:12px;
}
.update-meta .dot{
  color:#aba39a;
}
.update-body h3{
  font-size:18px;
  line-height:1.35;
  font-weight:800;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.update-body p{
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.read-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  width:max-content;
  color:var(--accent-2);
  font-size:13px;
  font-weight:800;
}
.read-link::after{
  content:"→";
  transition:transform var(--transition);
}
.update-card:hover .read-link::after{
  transform:translateX(3px);
}
.empty-state{
  min-height:268px;
  display:grid;
  place-items:center;
  text-align:center;
  padding:28px;
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.94), rgba(248,243,236,.96));
  border:1px dashed rgba(20,20,20,.16);
}
.empty-state .glyph{
  width:54px;
  height:54px;
  border-radius:18px;
  display:grid;
  place-items:center;
  margin:0 auto 14px;
  background:linear-gradient(145deg, rgba(183,120,70,.12), rgba(159,65,88,.1));
  color:var(--accent-2);
  font-size:22px;
  font-weight:800;
}
.empty-state strong{
  display:block;
  font-size:18px;
  font-weight:800;
}
.empty-state p{
  margin-top:8px;
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
}
.empty-actions{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
}

.notice-grid{
  display:grid;
  grid-template-columns:1fr .9fr;
  gap:22px;
  align-items:stretch;
}
.notice-panel{
  padding:24px;
  border-radius:24px;
  background:linear-gradient(180deg, rgba(21,21,21,.98), rgba(29,29,29,.96));
  border:1px solid rgba(255,255,255,.12);
  color:#f5ede4;
  box-shadow:var(--shadow-lg);
}
.notice-panel h3{
  font-size:24px;
  line-height:1.18;
  font-weight:800;
}
.notice-panel p{
  margin-top:12px;
  color:rgba(245,237,228,.78);
  font-size:15px;
  line-height:1.8;
}
.notice-list{
  margin-top:18px;
  display:grid;
  gap:12px;
}
.notice-item{
  display:flex;
  gap:12px;
  padding:14px 14px;
  border-radius:16px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
}
.notice-item .num{
  width:28px;
  height:28px;
  flex:0 0 auto;
  border-radius:9px;
  background:linear-gradient(145deg, rgba(183,120,70,.2), rgba(159,65,88,.16));
  color:#fff;
  display:grid;
  place-items:center;
  font-size:12px;
  font-weight:800;
}
.notice-item strong{
  display:block;
  font-size:15px;
  font-weight:800;
}
.notice-item span{
  display:block;
  margin-top:5px;
  color:rgba(245,237,228,.74);
  font-size:13px;
  line-height:1.7;
}
.notice-side{
  overflow:hidden;
  border-radius:24px;
  border:1px solid rgba(20,20,20,.08);
  background:var(--surface);
  box-shadow:var(--shadow);
}
.notice-side .img-wrap{
  position:relative;
  min-height:100%;
  height:100%;
}
.notice-side img{
  width:100%;
  height:100%;
  min-height:360px;
  object-fit:cover;
}
.notice-side .img-wrap::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(17,17,17,.08), rgba(17,17,17,.62));
}
.notice-side .copy{
  position:absolute;
  left:20px;
  right:20px;
  bottom:18px;
  z-index:1;
  color:#fff;
  padding:16px;
  border-radius:18px;
  background:rgba(17,17,17,.42);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(8px);
}
.notice-side .copy h3{
  font-size:20px;
  line-height:1.25;
  font-weight:800;
}
.notice-side .copy p{
  margin-top:8px;
  color:rgba(255,255,255,.78);
  font-size:13px;
  line-height:1.7;
}

.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.faq-item{
  padding:0;
  border-radius:18px;
  background:rgba(255,255,255,.84);
  border:1px solid rgba(20,20,20,.08);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding:18px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:15px;
  font-weight:800;
  line-height:1.4;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .icon{
  width:28px;
  height:28px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:10px;
  background:rgba(183,120,70,.12);
  color:var(--accent-2);
  transition:transform var(--transition), background var(--transition);
}
.faq-item[open] summary .icon{
  transform:rotate(45deg);
  background:rgba(159,65,88,.12);
}
.faq-content{
  padding:0 20px 18px;
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
}
.faq-content p + p{margin-top:10px}
.faq-content .inline-tag{
  display:inline-flex;
  padding:2px 8px;
  border-radius:999px;
  background:rgba(183,120,70,.12);
  color:#824f2b;
  font-size:12px;
  font-weight:700;
}

.cta{
  padding:0 0 92px;
}
.cta-box{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  padding:34px;
  background:
    linear-gradient(135deg, rgba(17,17,17,.96), rgba(29,29,29,.94)),
    radial-gradient(circle at top right, rgba(183,120,70,.16), transparent 32%);
  color:#f8f1e8;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow-lg);
}
.cta-box::after{
  content:"";
  position:absolute;
  inset:-40px auto auto -80px;
  width:240px;
  height:240px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(183,120,70,.16), transparent 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.cta-copy{
  max-width:66ch;
}
.cta-copy h2{
  font-size:clamp(26px, 3vw, 38px);
  line-height:1.15;
  font-weight:800;
}
.cta-copy p{
  margin-top:12px;
  color:rgba(248,241,232,.78);
  font-size:16px;
  line-height:1.85;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.site-footer{
  padding:34px 0 28px;
  background:#121212;
  color:#efe7de;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr .9fr;
  gap:24px;
  align-items:start;
}
.footer-brand .brand-text span{
  color:rgba(239,231,222,.68);
}
.footer-copy{
  margin-top:12px;
  color:rgba(239,231,222,.72);
  font-size:14px;
  line-height:1.8;
  max-width:46ch;
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  width:max-content;
  color:#efe7de;
  font-size:14px;
  transition:color var(--transition), transform var(--transition);
}
.footer-links a:hover{
  color:#fff;
  transform:translateX(2px);
}
.footer-note{
  font-size:13px;
  line-height:1.8;
  color:rgba(239,231,222,.66);
}
.footer-bottom{
  margin-top:24px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  color:rgba(239,231,222,.62);
  font-size:13px;
}
.footer-bottom a{
  color:#f4d9c1;
}
.footer-bottom a:hover{
  color:#fff;
}

.muted{color:var(--muted)}
.fine{font-size:13px;color:var(--muted-2)}
.space-top{margin-top:18px}
.space-top-lg{margin-top:28px}

body.nav-open{
  overflow:hidden;
}
.section [data-animate]{
  will-change:transform;
}

@media (max-width: 1120px){
  .hero-grid,
  .topic-grid,
  .experience-grid,
  .latest-layout,
  .notice-grid,
  .footer-grid{
    grid-template-columns:1fr;
  }
  .latest-intro{
    position:relative;
    top:auto;
  }
  .hero-card__image img{
    min-height:360px;
  }
  .hero-features{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
  .faq-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width: 768px){
  :root{--gutter:24px;--header-h:72px}
  .topbar .container{
    gap:8px;
    padding:7px 0;
    font-size:12px;
  }
  .topbar .notice{
    gap:8px;
  }
  .topbar .notice span.hide-sm{
    display:none;
  }
  .header-inner{
    min-height:var(--header-h);
  }
  .brand-text strong{
    font-size:16px;
  }
  .brand-text span{
    display:none;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .nav-panel{
    position:fixed;
    left:var(--gutter-sm);
    right:var(--gutter-sm);
    top:calc(var(--header-h) + 10px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    padding:14px;
    border-radius:20px;
    background:rgba(247,243,238,.98);
    border:1px solid rgba(20,20,20,.08);
    box-shadow:var(--shadow-lg);
  }
  body.nav-open .nav-panel{
    display:flex;
  }
  .nav-links{
    width:100%;
    flex-direction:column;
    align-items:stretch;
    padding:0;
    background:transparent;
    border:none;
    box-shadow:none;
  }
  .nav-link{
    height:46px;
    border-radius:12px;
    justify-content:flex-start;
    padding:0 14px;
    background:rgba(255,255,255,.8);
    border:1px solid rgba(20,20,20,.08);
  }
  .nav-cta{
    width:100%;
  }
  .section{
    padding:68px 0;
  }
  .hero{
    padding-top:20px;
  }
  .hero-shell{
    border-radius:24px;
  }
  .hero-grid{
    padding:22px;
    gap:20px;
  }
  .hero h1{
    font-size:clamp(30px, 8vw, 40px);
  }
  .hero-subtitle{
    font-size:15px;
  }
  .hero-actions{
    flex-direction:column;
  }
  .btn{
    width:100%;
  }
  .hero-features{
    grid-template-columns:1fr 1fr;
  }
  .hero-card__image img{
    min-height:320px;
  }
  .hero-card__copy{
    left:14px;
    right:14px;
    bottom:14px;
    padding:14px;
  }
  .hero-card__copy h3{
    font-size:19px;
  }
  .topic-feature,
  .latest-intro,
  .notice-panel,
  .cta-box{
    padding:20px;
  }
  .small-grid,
  .stats-grid{
    grid-template-columns:1fr;
  }
  .update-link{
    grid-template-columns:1fr;
  }
  .update-thumb img{
    min-height:220px;
  }
  .update-body{
    padding:16px;
  }
  .experience-panel .panel-image img,
  .notice-side img{
    min-height:280px;
  }
  .notice-side .copy,
  .experience-panel .panel-copy{
    left:16px;
    right:16px;
    bottom:16px;
  }
  .cta-inner{
    align-items:flex-start;
  }
}

@media (max-width: 520px){
  :root{--gutter:16px;--gutter-sm:12px}
  .container{
    width:calc(100% - 2 * var(--gutter));
  }
  .topbar{
    font-size:11px;
  }
  .topbar .notice strong{
    padding:4px 8px;
  }
  .hero-grid{
    padding:18px;
  }
  .hero h1{
    font-size:clamp(28px, 10vw, 36px);
  }
  .hero-features{
    grid-template-columns:1fr;
  }
  .badge-row{
    gap:8px;
  }
  .badge,
  .tag,
  .pill{
    font-size:12px;
  }
  .section-heading h2{
    font-size:clamp(22px, 7vw, 28px);
  }
  .section-heading p{
    font-size:15px;
  }
  .section{
    padding:58px 0;
  }
  .hero-card__image img{
    min-height:260px;
  }
  .topic-item,
  .check-item,
  .notice-item,
  .faq-item summary{
    padding:14px;
  }
  .experience-panel{
    padding:12px;
  }
  .experience-panel .panel-copy h3,
  .notice-side .copy h3,
  .cta-copy h2{
    font-size:22px;
  }
  .update-body h3{
    font-size:17px;
  }
  .faq-content{
    padding:0 14px 14px;
  }
  .footer-grid{
    gap:18px;
  }
  .footer-bottom{
    padding-top:14px;
  }
  .cta-box{
    padding:20px 16px;
    border-radius:22px;
  }
}

@media (max-width: 480px){
  .topbar .notice span.hide-xs{
    display:none;
  }
  .hero-shell{
    background-position:center top;
  }
  .hero-card__copy{
    padding:12px;
  }
  .hero-card__chips{
    gap:6px;
  }
  .topic-visual .overlay,
  .visual-card .overlay,
  .notice-side .copy{
    inset:auto 12px 12px 12px;
    padding:12px;
  }
  .empty-state{
    padding:22px 16px;
  }
  .cta-actions{
    width:100%;
  }
  .cta-actions .btn{
    width:100%;
  }
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation:none!important;
    transition:none!important;
  }
}

/* roulang page: article */
:root{
      --bg:#f7f3ee;
      --bg-soft:#fbf9f6;
      --surface:#ffffff;
      --surface-2:#f2ebe2;
      --surface-dark:#151515;
      --surface-dark-2:#1d1d1d;
      --text:#161616;
      --muted:#66615a;
      --muted-2:#8c857c;
      --line:rgba(20,20,20,.12);
      --line-strong:rgba(20,20,20,.18);
      --accent:#b77846;
      --accent-2:#9f4158;
      --accent-soft:#f1ded0;
      --accent-soft-2:#ead6db;
      --white:#fff;
      --shadow:0 18px 45px rgba(18,18,18,.08);
      --shadow-lg:0 30px 70px rgba(18,18,18,.14);
      --radius-sm:8px;
      --radius-md:12px;
      --radius-lg:18px;
      --radius-xl:24px;
      --container:1240px;
      --gutter:16px;
      --gutter-sm:12px;
      --transition:.22s ease;
      --header-h:72px;
    }

    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:PingFang SC, Microsoft YaHei, Noto Sans SC, Arial, sans-serif;
      line-height:1.6;
      background:
        radial-gradient(circle at top left, rgba(183,120,70,.08), transparent 30%),
        radial-gradient(circle at right 20%, rgba(159,65,88,.06), transparent 28%),
        linear-gradient(180deg, #faf8f5 0%, #f7f3ee 28%, #f4eee7 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.02), rgba(255,255,255,.02)),
        radial-gradient(rgba(0,0,0,.03) .5px, transparent .7px);
      background-size:100% 100%, 18px 18px;
      opacity:.42;
      mix-blend-mode:multiply;
      z-index:-1;
    }
    *{box-sizing:border-box}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit;color:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(183,120,70,.24);color:#111}
    :focus-visible{
      outline:2px solid rgba(183,120,70,.72);
      outline-offset:3px;
    }

    .container{
      width:min(var(--container), calc(100% - 2 * var(--gutter)));
      margin-inline:auto;
    }
    .section{
      padding:84px 0;
      scroll-margin-top:96px;
    }
    .section.compact{
      padding:64px 0;
    }
    .section-dark{
      color:#f3ece4;
      background:
        linear-gradient(180deg, rgba(21,21,21,.96), rgba(21,21,21,.92)),
        radial-gradient(circle at top left, rgba(183,120,70,.1), transparent 34%);
    }
    .section-dark .muted,
    .section-dark .section-subtitle,
    .section-dark .fine{
      color:rgba(243,236,228,.74);
    }
    .section-dark .panel,
    .section-dark .card-surface,
    .section-dark .faq-item,
    .section-dark .cta-band{
      background:rgba(255,255,255,.03);
      border-color:rgba(255,255,255,.12);
      box-shadow:none;
    }
    .section-dark .section-title h2,
    .section-dark .section-title p,
    .section-dark .section-title .eyebrow{
      color:#f7f0e8;
    }

    .topbar{
      position:relative;
      z-index:40;
      background:#0f0f0f;
      color:#f6ede4;
      font-size:13px;
      letter-spacing:.01em;
    }
    .topbar .container{
      min-height:42px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:8px 0;
    }
    .topbar .notice{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .topbar .notice strong{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:4px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#fff;
      font-weight:700;
      letter-spacing:.04em;
    }
    .topbar .notice span{
      color:rgba(246,237,228,.82);
    }
    .topbar .notice .sep{
      width:4px;height:4px;border-radius:50%;
      background:rgba(246,237,228,.35);
      display:inline-block;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(16px);
      background:rgba(247,243,238,.82);
      border-bottom:1px solid rgba(20,20,20,.08);
    }
    .site-header.is-scrolled{
      background:rgba(247,243,238,.94);
      box-shadow:0 8px 28px rgba(18,18,18,.06);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      gap:18px;
      justify-content:space-between;
      position:relative;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:38px;
      height:38px;
      flex:0 0 38px;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:linear-gradient(145deg, var(--accent), var(--accent-2));
      color:#fff;
      font-size:14px;
      font-weight:800;
      box-shadow:0 10px 20px rgba(183,120,70,.28);
    }
    .brand-text{
      min-width:0;
      display:flex;
      flex-direction:column;
      line-height:1.2;
    }
    .brand-text strong{
      font-size:18px;
      font-weight:800;
      letter-spacing:.01em;
      overflow-wrap:anywhere;
    }
    .brand-text span{
      margin-top:4px;
      font-size:12px;
      color:var(--muted);
      white-space:nowrap;
    }

    .nav-wrap{
      display:flex;
      align-items:center;
      gap:16px;
      position:relative;
    }
    .nav-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:12px;
      background:rgba(255,255,255,.76);
      color:var(--text);
      transition:transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .nav-toggle:hover{
      border-color:rgba(183,120,70,.42);
      transform:translateY(-1px);
    }
    .nav-panel{
      display:flex;
      align-items:center;
      gap:16px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      padding:8px;
      border:1px solid rgba(20,20,20,.08);
      border-radius:999px;
      background:rgba(255,255,255,.52);
      box-shadow:0 10px 24px rgba(18,18,18,.04);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:42px;
      padding:0 16px;
      border-radius:999px;
      color:#333;
      font-size:14px;
      font-weight:600;
      transition:background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
    }
    .nav-link:hover{
      background:rgba(183,120,70,.08);
      color:#111;
      transform:translateY(-1px);
    }
    .nav-link.active{
      background:linear-gradient(145deg, rgba(183,120,70,.15), rgba(159,65,88,.12));
      color:#111;
      box-shadow:inset 0 0 0 1px rgba(183,120,70,.22);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      gap:8px;
      justify-content:center;
      height:44px;
      padding:0 18px;
      border-radius:12px;
      border:1px solid rgba(183,120,70,.52);
      background:linear-gradient(145deg, var(--accent), #a5673e);
      color:#fff;
      font-size:14px;
      font-weight:700;
      box-shadow:0 16px 28px rgba(183,120,70,.2);
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .nav-cta:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 34px rgba(183,120,70,.25);
      color:#fff;
    }
    .nav-cta:active,
    .site-btn:active{
      transform:translateY(1px);
    }

    .site-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      padding:0 18px;
      border-radius:10px;
      border:1px solid transparent;
      font-weight:700;
      font-size:15px;
      line-height:1;
      transition:transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition), opacity var(--transition);
      white-space:nowrap;
    }
    .site-btn:hover{
      transform:translateY(-2px);
    }
    .site-btn-solid{
      background:linear-gradient(145deg, var(--accent), var(--accent-2));
      color:#fff;
      box-shadow:0 16px 28px rgba(159,65,88,.18);
    }
    .site-btn-solid:hover{
      color:#fff;
      box-shadow:0 20px 34px rgba(159,65,88,.24);
    }
    .site-btn-outline{
      background:transparent;
      border-color:rgba(20,20,20,.16);
      color:#222;
    }
    .site-btn-outline:hover{
      background:rgba(183,120,70,.07);
      border-color:rgba(183,120,70,.36);
      color:#111;
    }
    .site-btn-dark{
      background:#181818;
      color:#fff;
      border-color:#181818;
    }
    .site-btn-dark:hover{
      background:#101010;
      color:#fff;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:13px;
      font-weight:800;
      color:var(--accent);
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:10px;
      height:10px;
      border-radius:999px;
      background:linear-gradient(145deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 4px rgba(183,120,70,.12);
    }
    .section-title{
      display:flex;
      flex-direction:column;
      gap:12px;
      margin-bottom:26px;
    }
    .section-title h2{
      margin:0;
      font-size:34px;
      line-height:1.18;
      letter-spacing:-.02em;
      font-weight:800;
      color:var(--text);
    }
    .section-subtitle{
      margin:0;
      color:var(--muted);
      font-size:16px;
      max-width:760px;
    }

    .article-hero{
      position:relative;
      padding:28px 0 18px;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(21,21,21,.92), rgba(21,21,21,.72)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      filter:saturate(.94);
    }
    .article-hero .container{
      position:relative;
      z-index:1;
    }
    .hero-shell{
      border-radius:24px;
      padding:28px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
      backdrop-filter:blur(14px);
      box-shadow:var(--shadow-lg);
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:24px;
      align-items:stretch;
    }
    .hero-copy{
      color:#f5ede4;
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-width:0;
    }
    .hero-copy .eyebrow{
      color:#f1d6bd;
    }
    .hero-copy .eyebrow::before{
      background:linear-gradient(145deg, #f1b98a, #c76e6f);
      box-shadow:0 0 0 4px rgba(255,255,255,.08);
    }
    .hero-copy h1{
      margin:14px 0 0;
      font-size:clamp(32px, 4.4vw, 54px);
      line-height:1.08;
      font-weight:900;
      letter-spacing:-.03em;
      max-width:12ch;
    }
    .hero-copy p{
      margin:16px 0 0;
      max-width:680px;
      font-size:16px;
      color:rgba(245,237,228,.84);
      line-height:1.85;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .site-badge{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.01em;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.08);
      color:#fff;
    }
    .site-badge.soft{
      background:rgba(255,255,255,.12);
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:24px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:24px;
    }
    .metric{
      padding:14px 15px;
      border-radius:14px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      min-width:0;
    }
    .metric strong{
      display:block;
      font-size:18px;
      font-weight:800;
      color:#fff;
      line-height:1.2;
    }
    .metric span{
      display:block;
      margin-top:4px;
      color:rgba(245,237,228,.72);
      font-size:13px;
      line-height:1.4;
    }
    .hero-preview{
      display:flex;
      align-items:stretch;
      min-width:0;
    }
    .hero-image-card{
      width:100%;
      border-radius:20px;
      overflow:hidden;
      background:#111;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 24px 60px rgba(0,0,0,.28);
      position:relative;
      min-height:100%;
    }
    .hero-image-card img{
      width:100%;
      height:100%;
      min-height:340px;
      object-fit:cover;
      transform:scale(1.01);
    }
    .hero-image-card::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:42%;
      background:linear-gradient(180deg, transparent, rgba(0,0,0,.62));
      pointer-events:none;
    }
    .hero-caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:10px;
      color:#fff;
    }
    .hero-caption strong{
      font-size:20px;
      line-height:1.3;
      font-weight:800;
    }
    .hero-caption span{
      font-size:13px;
      color:rgba(255,255,255,.8);
    }

    .info-strip{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
      margin-top:20px;
    }
    .mini-card{
      background:rgba(255,255,255,.82);
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow);
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:10px;
      min-width:0;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .mini-card:hover{
      transform:translateY(-3px);
      box-shadow:0 22px 46px rgba(18,18,18,.1);
      border-color:rgba(183,120,70,.24);
    }
    .mini-card .mini-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      font-weight:800;
      color:#191919;
      font-size:16px;
    }
    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }
    .mini-card .mini-mark{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:28px;
      height:28px;
      border-radius:9px;
      background:linear-gradient(145deg, rgba(183,120,70,.12), rgba(159,65,88,.08));
      color:var(--accent-2);
      font-weight:800;
      flex:0 0 auto;
    }

    .panel{
      background:rgba(255,255,255,.82);
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:var(--shadow);
    }

    .article-layout{
      padding-top:18px;
    }
    .article-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.58fr) minmax(290px, .72fr);
      gap:28px;
      align-items:start;
    }
    .article-panel{
      background:rgba(255,255,255,.9);
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .article-panel-head{
      padding:24px 24px 0;
    }
    .article-topline{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-top:12px;
    }
    .article-topline .tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 12px;
      border-radius:999px;
      background:var(--accent-soft);
      color:#7d4d2d;
      border:1px solid rgba(183,120,70,.16);
      font-size:13px;
      font-weight:700;
    }
    .article-topline .tag.alt{
      background:var(--accent-soft-2);
      color:#7b3f54;
      border-color:rgba(159,65,88,.16);
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      font-size:13px;
      color:var(--muted-2);
      line-height:1.4;
    }
    .breadcrumb a{
      color:var(--muted);
      transition:color var(--transition);
    }
    .breadcrumb a:hover{
      color:var(--accent);
    }
    .breadcrumb .sep{
      color:#b2aaa1;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:16px;
      color:var(--muted);
      font-size:14px;
    }
    .meta-item{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:#f7f2ec;
      border:1px solid var(--line);
    }
    .meta-item b{
      color:#222;
      font-weight:700;
    }

    .article-body-wrap{
      padding:22px 24px 26px;
    }
    .article-body{
      max-width:820px;
      margin:0 auto;
      color:var(--text);
      font-size:17px;
      line-height:1.86;
    }
    .article-body > * + *{
      margin-top:18px;
    }
    .article-body h2,
    .article-body h3,
    .article-body h4{
      margin-top:30px;
      margin-bottom:12px;
      line-height:1.25;
      letter-spacing:-.02em;
      color:#171717;
    }
    .article-body h2{font-size:30px;font-weight:800}
    .article-body h3{font-size:22px;font-weight:800}
    .article-body h4{font-size:19px;font-weight:700}
    .article-body p{
      margin:0;
      color:#2c2a27;
    }
    .article-body ul,
    .article-body ol{
      padding-left:1.2em;
      margin:0;
      color:#2c2a27;
    }
    .article-body li + li{margin-top:10px}
    .article-body blockquote{
      margin:24px 0;
      padding:18px 18px 18px 20px;
      border-left:4px solid var(--accent);
      background:linear-gradient(180deg, rgba(183,120,70,.08), rgba(183,120,70,.04));
      border-radius:0 14px 14px 0;
      color:#453b33;
    }
    .article-body hr{
      border:none;
      height:1px;
      margin:28px 0;
      background:linear-gradient(90deg, transparent, rgba(20,20,20,.16), transparent);
    }
    .article-body img{
      width:100%;
      border-radius:14px;
      margin:22px 0;
      object-fit:cover;
      box-shadow:0 14px 30px rgba(18,18,18,.1);
    }
    .article-body figure{
      margin:24px 0;
    }
    .article-body figure img{
      margin:0;
    }
    .article-body figcaption{
      margin-top:10px;
      font-size:13px;
      color:var(--muted-2);
      text-align:center;
    }
    .article-body table{
      width:100%;
      border-collapse:collapse;
      margin:24px 0;
      overflow:hidden;
      border-radius:14px;
      background:#fff;
      box-shadow:0 14px 30px rgba(18,18,18,.06);
    }
    .article-body th,
    .article-body td{
      border:1px solid rgba(20,20,20,.09);
      padding:12px 14px;
      text-align:left;
      vertical-align:top;
    }
    .article-body th{
      background:#f6f0e8;
      font-weight:700;
    }
    .article-body a{
      color:var(--accent-2);
      text-decoration:underline;
      text-underline-offset:3px;
      transition:color var(--transition);
    }
    .article-body a:hover{
      color:#7f3449;
    }
    .article-body code{
      display:inline-block;
      padding:2px 7px;
      border-radius:6px;
      background:#f3ece4;
      border:1px solid rgba(20,20,20,.08);
      color:#7b4c2c;
      font-size:.92em;
    }
    .article-body pre{
      overflow:auto;
      padding:16px 18px;
      border-radius:14px;
      background:#161616;
      color:#f6ede4;
      box-shadow:0 14px 30px rgba(18,18,18,.12);
    }

    .empty-state{
      padding:56px 24px;
      text-align:center;
    }
    .empty-state .empty-icon{
      width:68px;
      height:68px;
      margin:0 auto 18px;
      border-radius:20px;
      display:grid;
      place-items:center;
      font-size:28px;
      color:var(--accent-2);
      background:linear-gradient(145deg, rgba(183,120,70,.12), rgba(159,65,88,.1));
      border:1px solid rgba(183,120,70,.14);
    }
    .empty-state h3{
      margin:0;
      font-size:24px;
      font-weight:800;
      color:#181818;
    }
    .empty-state p{
      margin:10px auto 0;
      max-width:520px;
      color:var(--muted);
    }
    .empty-actions{
      margin-top:22px;
      display:flex;
      justify-content:center;
      gap:12px;
      flex-wrap:wrap;
    }

    .article-side{
      display:flex;
      flex-direction:column;
      gap:18px;
      position:sticky;
      top:96px;
    }
    .side-card{
      background:rgba(255,255,255,.9);
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:var(--shadow);
      padding:20px;
    }
    .side-card h3{
      margin:0;
      font-size:19px;
      font-weight:800;
      color:#171717;
      line-height:1.2;
    }
    .side-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.78;
    }
    .side-list{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .side-list li{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:flex-start;
      padding:12px 0;
      border-top:1px solid var(--line);
    }
    .side-list li:first-child{
      border-top:none;
      padding-top:0;
    }
    .side-list span{
      color:var(--muted);
      font-size:13px;
      min-width:82px;
      flex:0 0 auto;
    }
    .side-list strong{
      color:#1b1b1b;
      font-weight:700;
      text-align:right;
      flex:1;
    }
    .side-actions{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top:16px;
    }
    .side-note{
      padding:16px;
      border-radius:14px;
      background:linear-gradient(180deg, rgba(183,120,70,.08), rgba(183,120,70,.04));
      border:1px solid rgba(183,120,70,.14);
      color:#5a4b41;
      font-size:14px;
      line-height:1.75;
    }
    .side-note strong{
      color:#392f28;
    }

    .content-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:18px;
    }
    .topic-card{
      display:flex;
      flex-direction:column;
      background:rgba(255,255,255,.86);
      border:1px solid var(--line);
      border-radius:18px;
      overflow:hidden;
      box-shadow:var(--shadow);
      min-width:0;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      height:100%;
    }
    .topic-card:hover{
      transform:translateY(-3px);
      box-shadow:0 22px 46px rgba(18,18,18,.1);
      border-color:rgba(183,120,70,.22);
    }
    .topic-thumb{
      position:relative;
      aspect-ratio:16/9;
      overflow:hidden;
      background:#111;
    }
    .topic-thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 40%, rgba(0,0,0,.26));
      pointer-events:none;
    }
    .topic-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .35s ease;
    }
    .topic-card:hover .topic-thumb img{
      transform:scale(1.04);
    }
    .topic-body{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:10px;
      min-width:0;
    }
    .topic-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color:var(--muted-2);
      font-size:13px;
    }
    .topic-meta span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .topic-title{
      margin:0;
      font-size:18px;
      font-weight:800;
      line-height:1.38;
      color:#181818;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:52px;
    }
    .topic-desc{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.72;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:72px;
    }
    .topic-foot{
      margin-top:auto;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      padding-top:6px;
    }
    .topic-link{
      color:var(--accent-2);
      font-weight:700;
      font-size:14px;
    }

    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(255,255,255,.86);
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }
    .faq-item:hover{
      border-color:rgba(183,120,70,.22);
      transform:translateY(-2px);
      box-shadow:0 22px 46px rgba(18,18,18,.1);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:700;
      color:#171717;
      font-size:16px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary .icon{
      width:28px;
      height:28px;
      border-radius:8px;
      display:grid;
      place-items:center;
      color:var(--accent-2);
      background:linear-gradient(145deg, rgba(183,120,70,.12), rgba(159,65,88,.08));
      transition:transform var(--transition), background var(--transition);
      flex:0 0 auto;
    }
    .faq-item[open] summary .icon{
      transform:rotate(45deg);
      background:linear-gradient(145deg, rgba(159,65,88,.12), rgba(183,120,70,.08));
    }
    .faq-body{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
    }

    .cta-band{
      background:linear-gradient(145deg, rgba(21,21,21,.98), rgba(31,31,31,.96));
      border:1px solid rgba(255,255,255,.08);
      border-radius:22px;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
    }
    .cta-band-inner{
      padding:28px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      flex-wrap:wrap;
    }
    .cta-copy{
      max-width:720px;
    }
    .cta-copy h2{
      margin:0;
      color:#f7f0e8;
      font-size:30px;
      font-weight:800;
      line-height:1.2;
    }
    .cta-copy p{
      margin:10px 0 0;
      color:rgba(243,236,228,.76);
      font-size:15px;
      line-height:1.8;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }

    .site-footer{
      margin-top:24px;
      padding:34px 0 22px;
      background:#111111;
      color:#f3ece4;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .9fr .8fr;
      gap:24px;
      align-items:start;
    }
    .site-footer .brand-text span{
      color:rgba(243,236,228,.7);
    }
    .footer-copy{
      margin:14px 0 0;
      color:rgba(243,236,228,.76);
      font-size:14px;
      line-height:1.8;
      max-width:420px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px 16px;
    }
    .footer-links a{
      color:rgba(243,236,228,.8);
      font-size:14px;
      transition:color var(--transition), transform var(--transition);
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(1px);
    }
    .footer-note{
      margin:0;
      color:rgba(243,236,228,.74);
      font-size:14px;
      line-height:1.8;
    }
    .footer-bottom{
      margin-top:24px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:rgba(243,236,228,.62);
      font-size:13px;
    }

    @media (max-width: 1100px){
      .hero-grid,
      .article-grid{
        grid-template-columns:1fr;
      }
      .article-side{
        position:static;
      }
      .content-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
    }

    @media (max-width: 768px){
      .section{
        padding:64px 0;
      }
      .section.compact{
        padding:54px 0;
      }
      .topbar .container{
        align-items:flex-start;
        flex-direction:column;
      }
      .header-inner{
        min-height:68px;
      }
      .nav-toggle{
        display:inline-flex;
      }
      .nav-panel{
        position:absolute;
        top:calc(100% + 10px);
        right:0;
        left:0;
        flex-direction:column;
        align-items:stretch;
        padding:16px;
        border-radius:18px;
        background:rgba(247,243,238,.98);
        border:1px solid var(--line);
        box-shadow:var(--shadow);
        transform:translateY(8px);
        opacity:0;
        visibility:hidden;
        pointer-events:none;
        transition:opacity var(--transition), transform var(--transition), visibility var(--transition);
        z-index:80;
      }
      .nav-panel.is-open{
        opacity:1;
        visibility:visible;
        pointer-events:auto;
        transform:translateY(0);
      }
      .nav-links{
        width:100%;
        flex-direction:column;
        align-items:stretch;
        border-radius:16px;
        padding:8px;
      }
      .nav-link{
        justify-content:flex-start;
        width:100%;
        border-radius:12px;
      }
      .nav-cta{
        width:100%;
      }
      .hero-shell{
        padding:22px;
        border-radius:22px;
      }
      .hero-copy h1{
        max-width:none;
      }
      .hero-metrics{
        grid-template-columns:1fr;
      }
      .hero-image-card img{
        min-height:260px;
      }
      .info-strip{
        grid-template-columns:1fr;
      }
      .content-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .article-body{
        font-size:16px;
      }
      .section-title h2{
        font-size:28px;
      }
      .cta-band-inner{
        padding:22px;
      }
      .cta-copy h2{
        font-size:24px;
      }
    }

    @media (max-width: 520px){
      .container{
        width:min(var(--container), calc(100% - 2 * var(--gutter-sm)));
      }
      .brand-text strong{
        font-size:16px;
      }
      .brand-text span{
        white-space:normal;
      }
      .hero-shell{
        padding:18px;
      }
      .hero-copy h1{
        font-size:30px;
      }
      .hero-copy p{
        font-size:15px;
      }
      .article-panel-head,
      .article-body-wrap{
        padding-left:16px;
        padding-right:16px;
      }
      .side-card{
        padding:16px;
      }
      .faq-item summary{
        padding:16px;
        font-size:15px;
      }
      .faq-body{
        padding:0 16px 16px;
      }
      .topic-body{
        padding:16px;
      }
      .cta-band-inner{
        padding:18px;
      }
      .site-btn,
      .nav-cta{
        width:100%;
      }
      .hero-actions,
      .cta-actions,
      .empty-actions{
        flex-direction:column;
      }
      .empty-actions .site-btn,
      .hero-actions .site-btn,
      .cta-actions .site-btn{
        width:100%;
      }
      .article-meta{
        gap:8px;
      }
      .meta-item{
        width:100%;
        justify-content:flex-start;
      }
      .footer-bottom{
        flex-direction:column;
      }
    }

/* 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}
