/* roulang page: index */
:root{
    --ink:#111c19;
    --pine:#1a3c34;
    --pine2:#265047;
    --gold:#c9a96a;
    --gold2:#e0c894;
    --paper:#faf8f4;
    --sand:#e8e2d8;
    --ash:#5c5a55;
    --line:#e5ded2;
    --radius-card:10px;
    --radius-btn:8px;
  }
  html{scroll-behavior:smooth}
  body{
    font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    background:var(--paper);
    color:#2f2c28;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%}
  a,button{transition:background-color .2s ease,color .2s ease,border-color .2s ease,opacity .2s ease,transform .2s ease}
  .container-site{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--gold);
    text-transform:none;
  }
  .eyebrow::before{content:"";display:inline-block;width:22px;height:1px;background:var(--gold)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;line-height:1;
  }
  .btn:focus-visible{outline:3px solid rgba(201,169,106,.45);outline-offset:2px}
  .btn-gold{background:var(--gold);color:var(--ink)}
  .btn-gold:hover{background:var(--gold2);transform:translateY(-2px)}
  .btn-gold:active{transform:translateY(0)}
  .btn-ink{background:var(--pine);color:#fff}
  .btn-ink:hover{background:var(--pine2);transform:translateY(-2px)}
  .btn-ink:active{transform:translateY(0)}
  .btn-line{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.03)}
  .btn-line:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
  .btn-line:active{transform:translateY(0)}
  .nav-link{position:relative;color:var(--ash);font-size:15px;padding:7px 2px}
  .nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--gold);transition:right .25s ease}
  .nav-link:hover::after,.nav-link.active::after{right:0}
  .nav-link:hover{color:var(--pine)}
  .nav-link.active{color:var(--pine);font-weight:600}
  .site-header{border-bottom:1px solid var(--line);background:rgba(250,248,244,.94);backdrop-filter:blur(8px)}
  .mobile-menu{background:var(--paper);border-top:1px solid var(--line)}
  .mobile-menu a{display:block;padding:13px 0;border-bottom:1px solid #f0ebe2;color:var(--pine);font-weight:500}
  .mega-wrap{position:relative}
  .mega-panel{
    position:absolute;top:calc(100% + 10px);right:0;z-index:60;
    width:340px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:0 18px 44px rgba(17,28,25,.10);
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
  .mega-panel-group{padding:16px 18px}
  .mega-panel-group + .mega-panel-group{border-top:1px solid #f1ece3}
  .mega-panel-group strong{display:block;font-size:13px;color:var(--gold);letter-spacing:.06em;margin-bottom:10px}
  .mega-panel-group a{display:block;color:var(--ash);font-size:14px;padding:4px 0}
  .mega-panel-group a:hover{color:var(--pine)}
  .mega-trigger{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 13px;font-size:14px;color:var(--pine);cursor:pointer}
  .mega-trigger:hover{border-color:var(--gold)}
  .hero-title{font-weight:800;letter-spacing:-.02em;line-height:1.12;color:#fff}
  @media (min-width:1024px){.hero-title{font-size:76px}}
  @media (min-width:640px) and (max-width:1023px){.hero-title{font-size:54px}}
  @media (max-width:639px){.hero-title{font-size:40px}}
  .hero-sub{max-width:600px;color:rgba(255,255,255,.82);font-size:17px;line-height:1.8}
  .section-title{font-size:34px;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.25}
  .section-lead{color:var(--ash);font-size:16px;line-height:1.8;max-width:620px}
  @media (max-width:767px){.section-title{font-size:28px}}
  .num-list{list-style:none;margin:0;padding:0}
  .num-item{display:grid;grid-template-columns:52px 1fr;gap:20px;padding:24px 0;border-top:1px solid var(--line)}
  .num-item:last-child{border-bottom:1px solid var(--line)}
  .num-index{
    font-size:22px;font-weight:800;color:var(--gold);letter-spacing:-.04em;
    font-variant-numeric:tabular-nums;
  }
  .num-item h3{font-size:21px;font-weight:700;color:var(--pine);margin-bottom:6px}
  .num-item p{color:var(--ash);font-size:15px;margin:0}
  .media-card{position:relative;overflow:hidden;border-radius:var(--radius-card);background:var(--sand)}
  .media-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
  .media-card:hover img{transform:scale(1.03)}
  .media-card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top, rgba(17,28,25,.72) 0%, rgba(17,28,25,.08) 46%, rgba(17,28,25,0) 72%)}
  .media-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px 18px 15px}
  .media-body .tag{display:inline-block;font-size:12px;color:var(--gold);background:rgba(17,28,25,.52);border-radius:999px;padding:2px 10px;margin-bottom:8px}
  .media-body h3, .media-body p{margin:0}
  .media-body h3{color:#fff;font-weight:700;font-size:18px}
  .media-body p{color:rgba(255,255,255,.76);font-size:13px;margin-top:4px}
  .field-input{
    width:100%;height:48px;padding:0 16px;background:#fff;
    border:1px solid #d8d0c4;border-radius:var(--radius-btn);color:var(--pine);font-size:15px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field-input::placeholder{color:#a6a097}
  .field-input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,169,106,.22)}
  .cta-panel{background-color:var(--ink);background-image:linear-gradient(rgba(17,28,25,.45),rgba(17,28,25,.45)),url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-trigger{display:flex;justify-content:space-between;align-items:center;width:100%;text-align:left;background:transparent;border:0;padding:18px 4px;color:var(--pine);font-size:17px;font-weight:700;gap:18px;cursor:pointer}
  .faq-trigger:hover{color:var(--pine2)}
  .faq-trigger .mark{position:relative;width:18px;height:18px;flex:0 0 18px}
  .faq-trigger .mark::before,.faq-trigger .mark::after{content:"";position:absolute;background:var(--gold);border-radius:2px;transition:transform .22s ease}
  .faq-trigger .mark::before{left:0;right:0;top:8px;height:2px}
  .faq-trigger .mark::after{top:0;bottom:0;left:8px;width:2px}
  .faq-item.open .faq-trigger .mark::after{transform:scaleY(0)}
  .faq-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}
  .faq-body.open{grid-template-rows:1fr}
  .faq-body-inner{overflow:hidden}
  .faq-body p{color:var(--ash);font-size:15px;line-height:1.9;padding:0 4px 22px;max-width:850px}
  .news-card{
    display:flex;flex-direction:column;height:100%;justify-content:space-between;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .news-card:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:0 14px 30px rgba(17,28,25,.06)}
  .news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ash);margin-bottom:14px}
  .news-meta .cat{color:var(--gold);font-weight:600}
  .news-card h3{font-size:17px;font-weight:700;color:var(--pine);line-height:1.5;margin:0 0 10px}
  .news-card h3 a{color:inherit}
  .news-card h3 a:hover{color:var(--gold)}
  .news-card p{font-size:14px;color:var(--ash);line-height:1.75;margin:0 0 16px}
  .read-more{font-size:14px;font-weight:600;color:var(--pine);display:inline-flex;align-items:center;gap:6px}
  .read-more:hover{color:var(--gold)}
  .read-more span{transition:transform .2s ease}
  .read-more:hover span{transform:translateX(4px)}
  .footer-bg{background:var(--ink);color:rgba(255,255,255,.68)}
  .footer-link{color:rgba(255,255,255,.68);font-size:14px;display:inline-block;padding:3px 0;position:relative}
  .footer-link:hover{color:#fff}
  .footer-link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--gold);transition:width .2s ease}
  .footer-link:hover::after{width:100%}
  .copyright{color:rgba(255,255,255,.42);font-size:13px}
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    .mega-panel,.hero-title,.btn{transition:none}
  }
  @media (max-width:639px){
    .hero-sub{font-size:15px}
    .num-item{grid-template-columns:42px 1fr;gap:16px;padding:20px 0}
    .num-item h3{font-size:19px}
    .section-lead{font-size:15px}
  }

/* roulang page: category1 */
:root {
  --moss-deep: #162F2A;
  --moss-700: #1C4037;
  --moss-600: #2A554A;
  --gold-400: #D8B97F;
  --gold-500: #C6A664;
  --gold-600: #B08F4F;
  --gold-deep: #8F6B33;
  --paper: #F7F3EB;
  --paper-warm: #F1EBDF;
  --line: #E2DACA;
  --line-deep: #D6CDBB;
  --ink: #242B27;
  --text-main: #38423C;
  --text-soft: #7A7D75;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-soft: 0 14px 36px rgba(44, 52, 46, 0.08);
}

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

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--paper);
  color: var(--text-main);
  line-height: 1.7;
  margin: 0;
}

a, button, input {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

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

::selection {
  background: rgba(198, 166, 100, 0.22);
  color: var(--moss-deep);
}

.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 9999;
  background: var(--moss-deep);
  color: #fff;
  padding: 10px 22px;
  border-radius: 6px;
  transition: top .2s;
}
.skip-link:focus {
  top: 12px;
  left: 12px;
  color: #fff;
}

.container-site {
  width: min(1200px, calc(100% - 48px));
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
}
.brand-en {
  font-size: 23px;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--moss-deep);
}
.brand-suffix {
  font-size: 12px;
  font-weight: 600;
  color: #4C3A1B;
  border: 1px solid rgba(176,143,79,.5);
  background: rgba(198,166,100,.14);
  padding: 2px 9px;
  border-radius: 999px;
  line-height: 1.6;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(250, 247, 241, .9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 218, 202, .8);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.main-nav {
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: 15px;
  font-weight: 500;
  color: #494F48;
  letter-spacing: .02em;
  padding: 10px 2px;
  transition: color .2s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 1px;
  width: 0;
  height: 2px;
  background: var(--gold-500);
  transition: width .25s ease;
}
.nav-link:hover {
  color: var(--moss-deep);
}
.nav-link:hover::after {
  width: 100%;
}
.nav-link.active {
  color: var(--moss-700);
  font-weight: 700;
}
.nav-link.active::after {
  width: 100%;
  background: var(--moss-700);
}
.nav-link:focus-visible,
.brand:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 4px;
  border-radius: 4px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
}

.mega-wrap {
  position: relative;
}

.mega-pop {
  position: absolute;
  top: calc(100% + 18px);
  right: -10px;
  width: min(620px, calc(100vw - 48px));
  background: rgba(255, 253, 248, .98);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 24px 70px rgba(27, 39, 33, .14);
  padding: 24px 26px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .22s ease, transform .22s ease, visibility .22s;
}
.mega-wrap.open .mega-pop,
.mega-wrap:hover .mega-pop {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}
.mega-block h4 {
  font-size: 13px;
  color: var(--gold-deep);
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: .14em;
}
.mega-block a {
  display: block;
  font-size: 14px;
  color: #39433D;
  padding: 8px 0;
  border-bottom: 1px solid rgba(226, 218, 202, .55);
  transition: color .2s;
}
.mega-block a:last-child {
  border-bottom: 0;
}
.mega-block a:hover {
  color: var(--moss-700);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14.5px;
  border: 0;
  cursor: pointer;
  min-height: 44px;
  padding: 0 20px;
  line-height: 1;
  transition: background-color .2s, color .2s, transform .2s, box-shadow .2s, border-color .2s;
  text-decoration: none;
}
.btn svg {
  transition: transform .2s;
}
.btn:hover svg {
  transform: translateX(4px);
}
.btn-gold {
  background: var(--gold-500);
  color: #2B2313;
}
.btn-gold:hover {
  background: var(--gold-400);
  color: #17130a;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(176, 143, 79, .22);
}
.btn-gold:active {
  transform: translateY(0);
}
.btn-light {
  background: rgba(255,255,255,.1);
  color: #F8F3E9;
  border: 1px solid rgba(255,255,255,.52);
}
.btn-light:hover {
  background: rgba(255,255,255,.18);
  border-color: #fff;
  color: #fff;
  transform: translateY(-1px);
}
.btn-darkmoss {
  background: var(--moss-deep);
  color: #F5EEDF;
}
.btn-darkmoss:hover {
  background: #24483F;
  color: #fff;
  transform: translateY(-1px);
}

.header-mobile-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--line-deep);
  background: #fffdf8;
  color: var(--moss-deep);
}

.mobile-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(255, 253, 248, .98);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  box-shadow: 0 26px 44px rgba(37, 43, 39, .08);
}
.mobile-nav.open {
  max-height: 520px;
}
.mobile-nav-inner {
  padding: 22px calc(max(16px, 50vw - 600px)) 30px;
}
.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mobile-nav-links .nav-link.nav-link-mobile {
  padding: 13px 2px;
  font-size: 16px;
  border-bottom: 1px solid rgba(226,218,202,.6);
  color: #323A35;
}
.mobile-nav-links .nav-link.active {
  color: var(--moss-700);
  font-weight: 700;
}
.mobile-nav-links .nav-link.active::after {
  display: none;
}
.mobile-cta-row {
  display: flex;
  gap: 14px;
  margin-top: 22px;
}
.mobile-cta-row .btn {
  flex: 1;
}

/* Hero */
.hero-cat {
  position: relative;
  padding: clamp(92px, 14vw, 176px) 0 88px;
  color: #FCF8F0;
  overflow: hidden;
  background: #101b17;
}
.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(10,21,18,.92) 0%, rgba(10,21,18,.72) 40%, rgba(10,21,18,.42) 78%, rgba(10,21,18,.28) 100%);
}
.hero-cat .container-site {
  position: relative;
  z-index: 2;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--gold-400);
  padding: 7px 14px;
  border: 1px solid rgba(216,185,127,.42);
  border-radius: 999px;
  background: rgba(15,28,24,.4);
}
.hero-cat h1 {
  font-size: clamp(46px, 7vw, 78px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: #fff;
  margin: 22px 0 20px;
}
.hero-cat .hero-lead {
  font-size: 16.5px;
  max-width: 720px;
  line-height: 1.9;
  color: rgba(241,239,224,.94);
  margin-bottom: 24px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.hero-arrows {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  border-top: 1px solid rgba(255,255,255,.16);
  padding-top: 22px;
}
.hero-arrow-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.hero-arrow-item small {
  color: rgba(239,236,222,.58);
  font-size: 12.5px;
}
.hero-arrow-item strong {
  color: #F8F2E4;
  font-size: 15px;
  font-weight: 600;
}

/* section */
.section {
  padding: 100px 0;
}
.section + .section {
  border-top: 1px solid var(--line);
}
.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--gold-deep);
  letter-spacing: .12em;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  color: var(--moss-deep);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin: 0;
}
.section-sub {
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text-soft);
  margin-top: 18px;
}

.content-split {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 48px;
  align-items: center;
}

.panel-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--moss-deep);
  line-height: 1.5;
  margin: 0 0 14px;
}
.panel-copy {
  font-size: 15px;
  line-height: 2;
  color: #5B655D;
}

.image-frame {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(226,218,202,.7);
}
.image-frame img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  transition: transform .3s ease;
}
.image-frame:hover img {
  transform: scale(1.025);
}
.image-symbol {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: rgba(16,28,24,.76);
  backdrop-filter: blur(10px);
  color: #f4e9d4;
  font-size: 12.5px;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
}

.type-panel {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: #FCFAF5;
  box-shadow: 0 2px 0 rgba(255,255,255,.4);
}
.type-media {
  min-height: 320px;
  position: relative;
}
.type-media img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}
.type-media-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  color: #F3EEE2;
  background: linear-gradient(180deg, transparent, rgba(9,19,16,.86));
  padding: 24px 18px 14px;
}
.type-media-caption strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
}
.type-media-caption span {
  font-size: 13px;
  color: rgba(244,241,228,.8);
}
.type-list {
  display: flex;
  flex-direction: column;
}
.type-list-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  padding: 26px 30px;
  border-bottom: 1px solid var(--line);
  transition: background .2s;
}
.type-list-item:last-child {
  border-bottom: 0;
}
.type-list-item:hover {
  background: #FBF7EE;
}
.type-list-item .num {
  font-size: 15px;
  font-weight: 800;
  color: var(--gold-600);
  font-variant-numeric: tabular-nums;
  padding-top: 5px;
}
.type-list-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--moss-deep);
  margin: 0 0 5px;
}
.type-list-item p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.8;
  margin: 0;
}

/* process steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #FCFAF6;
}
.process-step {
  padding: 28px 24px 26px;
  border-left: 1px solid var(--line);
  min-height: 210px;
  display: flex;
  flex-direction: column;
  transition: background .2s;
}
.process-step:first-child {
  border-left: 0;
}
.process-step:hover {
  background: #FFFDF9;
}
.step-cn {
  font-size: 30px;
  font-weight: 900;
  color: rgba(176,143,79,.52);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.process-step h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--moss-deep);
  margin: 22px 0 9px;
}
.process-step p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-soft);
  margin: 0;
}

/* media wall */
.media-wall {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-flow: dense;
  gap: 18px;
}
.wall-figure {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(226,218,202,.7);
  min-height: 220px;
}
.wall-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .28s ease;
}
.wall-figure:hover img {
  transform: scale(1.035);
}
.wall-figure figcaption {
  position: absolute;
  inset: auto 0 0 0;
  background: linear-gradient(180deg, transparent 0%, rgba(10,21,18,.82) 100%);
  padding: 32px 20px 16px;
  color: #F6F0E3;
}
.wall-figure figcaption em {
  display: block;
  font-style: normal;
  font-size: 12px;
  color: var(--gold-400);
  letter-spacing: .1em;
  margin-bottom: 4px;
}
.wall-figure figcaption strong {
  display: block;
  font-size: 16px;
  line-height: 1.5;
}
.wall-1 {
  grid-column: span 7;
}
.wall-2 {
  grid-column: span 5;
}
.wall-3 {
  grid-column: span 5;
}
.wall-4 {
  grid-column: span 7;
}

/* CTA */
.cta-band {
  position: relative;
  padding: 110px 0;
  color: #F6F1E6;
  background: var(--moss-deep);
  overflow: hidden;
}
.cta-band .cta-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cta-cover {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(16,28,22,.94) 0%, rgba(16,28,22,.78) 58%, rgba(16,28,22,.66) 100%);
}
.cta-band .container-site {
  position: relative;
  z-index: 2;
}
.cta-wrap {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 44px;
  align-items: center;
}
.cta-title {
  font-size: clamp(25px, 3.6vw, 42px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 6px 0 18px;
}
.cta-desc {
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(240,238,224,.78);
  max-width: 520px;
}
.cta-form-panel {
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 18px;
  padding: 30px;
  backdrop-filter: blur(8px);
}
.cta-form-row {
  display: flex;
  gap: 12px;
}
.cta-input {
  height: 52px;
  flex: 1;
  min-width: 0;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid rgba(220,208,185,.35);
  background: rgba(255,255,255,.13);
  color: #fff;
  font-size: 15px;
  transition: border-color .2s, box-shadow .2s;
}
.cta-input::placeholder {
  color: rgba(246,240,225,.56);
}
.cta-input:focus {
  outline: none;
  border-color: var(--gold-400);
  box-shadow: 0 0 0 3px rgba(198,166,100,.28);
  background: rgba(255,255,255,.16);
}
.cta-tip {
  font-size: 12px;
  color: rgba(238,234,222,.46);
  line-height: 1.7;
  margin-top: 16px;
}
.cta-note {
  font-size: 13px;
  color: rgba(238,234,222,.72);
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 14px;
  margin-top: 16px;
}
.cta-feedback {
  margin-top: 14px;
  color: #E6CE9A;
  font-size: 14px;
  line-height: 1.7;
  min-height: 20px;
}

/* FAQ */
.faq-stack {
  border-top: 1px solid var(--line-deep);
}
.faq-item {
  border-bottom: 1px solid var(--line-deep);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  background: none;
  border: 0;
  padding: 24px 4px;
  cursor: pointer;
  color: var(--moss-deep);
  text-align: left;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  transition: color .2s;
}
.faq-question:hover {
  color: var(--gold-deep);
}
.faq-icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 1.6px;
  background: var(--gold-600);
  transition: transform .25s;
}
.faq-icon::after {
  transform: rotate(90deg);
}
.faq-item.open .faq-icon::after {
  transform: rotate(0deg);
}
.faq-question span {
  color: var(--gold-deep);
  font-weight: 700;
  margin-right: -5px;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 4px;
  transition: max-height .28s ease;
}
.faq-item.open .faq-answer {
  max-height: 360px;
  padding-bottom: 22px;
}
.faq-answer-inner {
  font-size: 15px;
  line-height: 1.92;
  color: var(--text-main);
  max-width: 920px;
}

/* relation / next context */
.relation-band {
  border-top: 1px solid var(--line);
  background: #F0EAE0;
}
.relation-box {
  border-top: 3px solid var(--moss-700);
  background: #FDFBF5;
  border-radius: 0 0 14px 14px;
  padding: 28px 30px;
  display: block;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: transform .2s, border-color .2s;
}
.relation-box:hover {
  transform: translateY(-3px);
  border-color: var(--gold-500);
}
.relation-box small {
  color: var(--gold-deep);
  font-size: 12px;
  font-weight: 700;
}
.relation-box strong {
  display: block;
  font-size: 20px;
  color: var(--moss-deep);
  margin-top: 8px;
}
.relation-box span {
  font-size: 13.5px;
  color: var(--text-soft);
  display: block;
  margin-top: 8px;
}

/* footer */
.footer-bg {
  background: #14231F;
  color: #E6E3D8;
}
.footer-link {
  position: relative;
  display: inline-block;
  color: rgba(244,242,232,.68);
  font-size: 14px;
  padding: 4px 0;
  transition: color .2s, padding-left .2s;
}
.footer-link::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  width: 0;
  height: 5px;
  background: var(--gold-500);
  border-radius: 999px;
  transform: translateY(-50%) scaleY(0);
  transition: transform .18s, width .18s;
}
.footer-link:hover {
  color: #F6E8C8;
  padding-left: 13px;
}
.footer-link:hover::before {
  width: 5px;
  transform: translateY(-50%) scaleY(1);
}
.copyright {
  font-size: 13px;
  color: rgba(237,234,225,.46);
  line-height: 1.6;
}

@media (max-width: 1100px) {
  .main-nav {
    gap: 16px;
  }
  .nav-link {
    font-size: 14px;
  }
  .content-split,
  .cta-wrap {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-step:nth-child(2) {
    border-left: 0;
  }
  .process-step:nth-child(n+3) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 66px 0;
  }
  .container-site {
    width: min(100% - 32px, 1200px);
  }
  .brand-en {
    font-size: 20px;
  }
  .type-panel {
    grid-template-columns: 1fr;
  }
  .type-media img {
    min-height: 230px;
  }
  .type-media {
    min-height: 0;
  }
  .media-wall {
    grid-template-columns: 1fr;
  }
  .wall-1,
  .wall-2,
  .wall-3,
  .wall-4 {
    grid-column: span 1;
  }
  .wall-figure {
    min-height: 250px;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .process-step {
    min-height: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
  .process-step:first-child {
    border-top: 0;
  }
  .type-list-item {
    padding: 20px 18px;
  }
  .cta-form-row {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .hero-cat {
    padding: 74px 0 66px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .mega-pop {
    position: fixed;
    left: 16px;
    right: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: opacity .15s ease !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: article */
:root {
    --green-900: #0b1713;
    --green-800: #102b25;
    --green-700: #164038;
    --green-600: #1d5146;
    --green-500: #2b6b5c;
    --gold: #c4a46b;
    --gold-light: #d7bd89;
    --paper: #f5f1e9;
    --white: #fffdf9;
    --line: #e3ddd0;
    --line-light: #eee8de;
    --ink: #27332d;
    --muted: #67756d;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 10px 28px rgba(21, 43, 35, 0.05);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    border-color: var(--line);
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

.container-site {
    width: min(100% - 2.5rem, 1200px);
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(246, 242, 234, .94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(227, 221, 208, .85);
}

.logo-wrap {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    flex-shrink: 0;
}

.brand-main {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: -0.035em;
    color: var(--green-700);
}

.brand-sub {
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: .06em;
    color: #77837b;
    white-space: nowrap;
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 2px 8px;
    font-size: .94rem;
    font-weight: 500;
    color: #51625a;
    transition: color .2s ease;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 2px;
    height: 2px;
    width: 100%;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .25s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
    color: var(--green-700);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
    transform: scaleX(1);
}

.nav-link.active {
    color: var(--green-700);
    font-weight: 700;
}

.nav-link.active::after {
    transform: scaleX(1);
}

.mega-trigger {
    position: relative;
}

.mega-panel {
    position: absolute;
    top: calc(100% + 16px);
    right: 0;
    width: 560px;
    max-width: 76vw;
    background: #fffdf9;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 24px 46px rgba(13, 28, 22, .1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}

.mega-trigger:hover .mega-panel,
.mega-trigger:focus-within .mega-panel,
.mega-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-eyebrow {
    margin-bottom: 12px;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .16em;
    color: var(--gold);
}

.mega-link {
    display: block;
    padding: 7px 0;
    font-size: .92rem;
    color: #33453d;
    transition: color .18s ease, padding-left .18s ease;
}

.mega-link:hover {
    color: var(--green-600);
    padding-left: 4px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: .92rem;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn-sm {
    min-height: 40px;
    padding: 0 16px;
    font-size: .88rem;
}

.btn-green {
    background: var(--green-700);
    color: #fffdf9;
    border-color: var(--green-700);
}

.btn-green:hover,
.btn-green:focus-visible {
    background: var(--green-600);
    border-color: var(--green-600);
    transform: translateY(-2px);
    box-shadow: 0 10px 18px rgba(22, 64, 56, .14);
}

.btn-gold {
    background: var(--gold);
    color: #17241e;
    border-color: var(--gold);
}

.btn-gold:hover,
.btn-gold:focus-visible {
    background: var(--gold-light);
    border-color: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 18px rgba(181, 146, 83, .18);
}

.btn-outline {
    background: transparent;
    color: #34463d;
    border-color: #cbd2cb;
}

.btn-outline:hover,
.btn-outline:focus-visible {
    border-color: var(--green-600);
    color: var(--green-700);
    transform: translateY(-2px);
    background: rgba(255, 253, 249, .6);
}

.btn-outline-light {
    background: transparent;
    color: #e9eee9;
    border-color: rgba(255, 255, 255, .35);
}

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
    border-color: var(--gold);
    color: var(--gold-light);
    transform: translateY(-2px);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
    border-radius: 6px;
}

.mobile-menu {
    max-height: 0;
    overflow: hidden;
    background: #faf7f0;
    transition: max-height .25s ease;
}

.mobile-menu.open {
    max-height: 540px;
    border-top: 1px solid var(--line);
}

.mobile-nav-link {
    display: block;
    padding: 13px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    border-bottom: 1px solid var(--line-light);
}

.mobile-nav-link:hover {
    color: var(--green-700);
}

.article-hero {
    position: relative;
    overflow: hidden;
    background: #0b1713;
    padding: 88px 0 112px;
}

.article-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: .48;
}

.article-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            rgba(6, 14, 11, .72) 0%,
            rgba(10, 26, 21, .74) 42%,
            rgba(11, 23, 19, .94) 100%);
}

.hero-kicker {
    display: block;
    margin-bottom: 12px;
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .2em;
    color: var(--gold);
    text-transform: none;
}

.hero-cat {
    display: inline-block;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    color: #e7eee9;
    font-size: .82rem;
    padding: 5px 13px;
    border-radius: 999px;
    letter-spacing: .04em;
    margin-bottom: 18px;
}

.article-h1 {
    max-width: 860px;
    margin: 0 auto;
    color: #fffdf9;
    font-size: clamp(1.9rem, 4vw, 3.1rem);
    line-height: 1.22;
    font-weight: 900;
    letter-spacing: -0.03em;
    text-shadow: 0 3px 18px rgba(0, 0, 0, .28);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px 18px;
    margin-top: 24px;
    color: rgba(255, 255, 255, .72);
    font-size: .86rem;
}

.meta-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .35);
}

.article-breadcrumb {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 22px;
    color: rgba(255, 255, 255, .55);
    font-size: .8rem;
}

.article-breadcrumb a {
    transition: color .2s ease;
}

.article-breadcrumb a:hover {
    color: var(--gold-light);
}

.article-body-section {
    position: relative;
    z-index: 3;
    margin-top: -56px;
    padding-bottom: 40px;
}

.article-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: clamp(1.6rem, 5vw, 3.8rem);
    box-shadow: var(--shadow-card);
}

.article-content {
    color: #314039;
    font-size: 1.02rem;
    line-height: 1.9;
}

.article-content p {
    margin: 0 0 1.5rem;
}

.article-content h2 {
    margin: 2.6rem 0 1rem;
    font-size: 1.55rem;
    line-height: 1.4;
    font-weight: 800;
    color: #142a23;
    letter-spacing: -0.01em;
    padding-top: 1.1rem;
    border-top: 2px solid var(--line-light);
}

.article-content h3 {
    margin: 2.1rem 0 .85rem;
    font-size: 1.22rem;
    line-height: 1.45;
    color: #1b3e34;
    font-weight: 700;
}

.article-content a {
    color: var(--green-600);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
    transition: color .2s ease;
}

.article-content a:hover {
    color: var(--gold);
}

.article-content ul,
.article-content ol {
    margin: 0 0 1.5rem;
    padding-left: 1.4rem;
}

.article-content li {
    margin-bottom: .4rem;
}

.article-content blockquote {
    margin: 2rem 0;
    padding: 1.1rem 1.4rem;
    border-left: 3px solid var(--gold);
    background: #f7f2e8;
    color: #5c695f;
    border-radius: 0 10px 10px 0;
    font-size: .97rem;
}

.article-content img {
    margin: 2rem auto;
    border-radius: var(--radius-md);
}

.article-content figure {
    margin: 2rem 0;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.8rem 0;
    font-size: .94rem;
}

.article-content th,
.article-content td {
    border: 1px solid var(--line);
    padding: 10px 12px;
    text-align: left;
}

.article-content th {
    background: #f4efe5;
    font-weight: 700;
    color: #19372e;
}

.article-content iframe {
    max-width: 100%;
    border-radius: var(--radius-md);
}

.article-divider {
    margin: 2.6rem 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--line) 15%, var(--line) 85%, transparent);
}

.post-pager {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 2.6rem;
}

.post-pager a {
    display: block;
    padding: 15px 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #faf7f0;
    transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.post-pager a:hover {
    border-color: var(--gold);
    background: #fffdf9;
    transform: translateY(-2px);
}

.not-found {
    text-align: center;
    padding: 44px 16px;
}

.not-found h2 {
    font-size: 1.7rem;
    font-weight: 800;
    color: #172f27;
    margin: 12px 0 12px;
}

.not-found p {
    max-width: 560px;
    margin: 0 auto 22px;
    color: var(--muted);
}

.related-section {
    padding: 88px 0;
    background: var(--paper);
    border-top: 1px solid var(--line);
}

.section-head {
    max-width: 760px;
    margin-bottom: 42px;
}

.section-head.center {
    margin-inline: auto;
    text-align: center;
}

.eyebrow {
    margin-bottom: 8px;
    font-size: .74rem;
    font-weight: 800;
    letter-spacing: .18em;
    color: var(--gold);
    text-transform: none;
}

.section-title {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 850;
    color: #142b23;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.section-desc {
    margin-top: 12px;
    color: #66746c;
    font-size: .98rem;
}

.related-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.related-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold);
    box-shadow: var(--shadow-card);
}

.related-card-img {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #d8d4c7;
}

.related-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

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

.related-card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 20px 20px 22px;
}

.related-tag {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    margin-bottom: 10px;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(196, 164, 107, .14);
    color: #865e24;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .04em;
}

.related-card h3 {
    margin: 0;
    font-size: 1.02rem;
    font-weight: 750;
    color: #213c32;
    line-height: 1.55;
    transition: color .2s ease;
}

.related-card:hover h3 {
    color: var(--green-600);
}

.related-card-text {
    margin-top: 9px;
    font-size: .89rem;
    color: var(--muted);
    line-height: 1.75;
    flex: 1;
}

.card-arrow {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 16px;
    font-size: .84rem;
    font-weight: 700;
    color: var(--green-600);
    transition: gap .2s ease;
}

.related-card:hover .card-arrow {
    gap: 9px;
}

.cta-block {
    background:
        linear-gradient(180deg, rgba(9, 21, 17, .92), rgba(7, 17, 14, .82)),
        url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    padding: 92px 0;
}

.cta-kicker {
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .2em;
    color: var(--gold);
}

.cta-block h2 {
    margin: 10px auto 12px;
    font-size: clamp(1.8rem, 3.2vw, 2.6rem);
    font-weight: 850;
    color: #fffdf9;
    letter-spacing: -0.02em;
    line-height: 1.3;
    max-width: 750px;
}

.cta-block .cta-desc {
    max-width: 690px;
    margin: 0 auto 28px;
    color: rgba(255, 255, 255, .66);
    font-size: .95rem;
    line-height: 1.85;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.faq-section {
    padding: 88px 0;
    background: #fbf8f1;
    border-top: 1px solid var(--line);
}

.faq-list {
    max-width: 860px;
    margin: 0 auto;
    border-top: 1px solid var(--line);
}

.faq-item {
    border-bottom: 1px solid var(--line);
    padding: 0;
}

.faq-item summary {
    position: relative;
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 2px;
    font-weight: 700;
    font-size: 1rem;
    color: #1e3a30;
    transition: color .2s ease;
}

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

.faq-item summary:hover {
    color: var(--green-600);
}

.faq-icon {
    position: relative;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 12px;
    height: 2px;
    background: var(--gold);
    transform: translate(-50%, -50%);
    transition: transform .2s ease;
}

.faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] .faq-icon::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

.faq-item p {
    margin: 0;
    padding: 0 28px 22px 2px;
    color: #5a6a61;
    font-size: .93rem;
    line-height: 1.9;
}

.footer-bg {
    background: #09130f;
}

.footer-link {
    display: inline-block;
    font-size: .9rem;
    color: rgba(255, 255, 255, .6);
    line-height: 1.7;
    transition: color .2s ease, padding-left .2s ease;
}

.footer-link:hover {
    color: var(--gold-light);
    padding-left: 4px;
}

.text-gold {
    color: var(--gold);
}

.copyright {
    color: rgba(255, 255, 255, .42);
    font-size: .82rem;
    line-height: 1.7;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (max-width: 767px) {
    .container-site {
        width: min(100% - 1.5rem, 1200px);
    }

    .article-card {
        padding: 1.4rem 1.1rem;
    }

    .article-content {
        font-size: .97rem;
        line-height: 1.85;
    }

    .article-content blockquote {
        padding: 16px;
    }

    .post-pager {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .mega-panel {
        min-width: 0;
    }

    .brand-main {
        font-size: 1.2rem;
    }

    .cta-block {
        padding: 72px 0;
    }
}

/* roulang page: category2 */
:root {
            --paper: #F5F1EA;
            --surface: #FFFFFF;
            --cream-light: #FAF7F1;
            --line: #E0D6C7;
            --line-soft: #EAE2D5;
            --pine: #153A2C;
            --pine-dark: #0A2018;
            --pine-soft: #1C5A44;
            --gold: #C6A568;
            --gold-deep: #A9803C;
            --gold-pale: #E7D7B4;
            --ink: #0B1812;
            --text: #28342E;
            --muted: #6C7870;
            --white: #FFFFFF;
            --shadow-sm: 0 1px 2px rgba(11, 24, 18, .04), 0 6px 18px rgba(11, 24, 18, .04);
            --shadow-lg: 0 20px 48px rgba(11, 24, 18, .12);
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-xl: 14px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--paper);
            color: var(--text);
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        body,
        p,
        h1,
        h2,
        h3,
        h4,
        ul,
        ol,
        figure {
            margin: 0;
        }

        ul,
        ol {
            padding: 0;
            list-style: none;
        }

        img,
        svg {
            display: block;
        }

        img {
            max-width: 100%;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            color: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--gold-deep);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container-site {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: clamp(1rem, 3vw, 2.25rem);
            padding-right: clamp(1rem, 3vw, 2.25rem);
        }

        section[id] {
            scroll-margin-top: 90px;
        }

        .text-gold {
            color: var(--gold);
        }

        .block-section {
            padding: 5.75rem 0;
        }

        .section-alt {
            background: #EDE7DC;
        }

        .section-head {
            margin-bottom: 2.6rem;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .65rem;
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: .26em;
            color: var(--gold-deep);
        }

        .eyebrow::before {
            content: "";
            width: 26px;
            height: 1px;
            background: var(--gold-deep);
            display: inline-block;
        }

        .section-h2 {
            margin-top: .7rem;
            font-size: clamp(1.85rem, 4vw, 2.65rem);
            line-height: 1.28;
            letter-spacing: -.03em;
            color: var(--ink);
            font-weight: 800;
        }

        .section-lead {
            margin-top: .9rem;
            max-width: 780px;
            color: var(--muted);
            font-size: 1rem;
            line-height: 1.9;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(251, 248, 243, .97);
            border-bottom: 1px solid var(--line);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1rem;
        }

        .brand {
            display: inline-flex;
            align-items: baseline;
            gap: .45rem;
            flex-shrink: 0;
            line-height: 1;
        }

        .brand-main {
            font-size: 1.42rem;
            font-weight: 900;
            letter-spacing: -.04em;
            color: var(--pine);
        }

        .brand-sub {
            font-size: .74rem;
            font-weight: 600;
            letter-spacing: .08em;
            color: rgba(21, 58, 44, .6);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: .65rem;
            flex-shrink: 0;
        }

        .nav-link {
            position: relative;
            display: inline-block;
            padding: .45rem 0;
            font-size: .95rem;
            font-weight: 500;
            color: var(--text);
            transition: color .2s ease;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -3px;
            width: 100%;
            height: 2px;
            background: var(--gold);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform .25s ease;
            border-radius: 99px;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--pine);
            font-weight: 700;
        }

        .nav-link.active::after,
        .nav-link:hover::after {
            transform: scaleX(1);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .55rem;
            min-height: 44px;
            padding: .68rem 1.45rem;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            font-size: .94rem;
            font-weight: 700;
            line-height: 1;
            cursor: pointer;
            transition: transform .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
        }

        .btn:active {
            transform: translateY(0) scale(.99);
        }

        .btn-pine {
            background: var(--pine);
            border-color: var(--pine);
            color: var(--white);
        }

        .btn-pine:hover {
            background: var(--pine-soft);
            border-color: var(--pine-soft);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--gold);
            border-color: var(--gold);
            color: #101A15;
        }

        .btn-gold:hover {
            background: #D7B978;
            border-color: #D7B978;
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--line);
            color: var(--text);
        }

        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--pine);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .7);
            color: var(--white);
        }

        .btn-outline-light:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            background: transparent;
            color: var(--text);
            cursor: pointer;
            transition: background-color .2s ease, border-color .2s ease, color .2s ease;
        }

        .icon-btn:hover {
            border-color: var(--gold);
            color: var(--pine);
            background: rgba(198, 165, 104, .08);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            min-height: 38px;
            background: transparent;
            border: 0;
            color: var(--text);
            font-weight: 700;
            font-size: .92rem;
            border-radius: var(--radius-sm);
            padding: 0 .5rem;
            cursor: pointer;
            transition: color .2s ease;
        }

        .btn-text:hover {
            color: var(--pine);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% - 2px);
            right: clamp(1rem, 3vw, 2rem);
            width: min(580px, calc(100vw - 2rem));
            z-index: 55;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            padding: 1.25rem;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
        }

        .mega-panel.is-open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 1.5rem;
        }

        .mega-label {
            font-size: .72rem;
            font-weight: 700;
            letter-spacing: .22em;
            color: var(--gold-deep);
            margin-bottom: .55rem;
        }

        .mega-link {
            display: flex;
            align-items: center;
            min-height: 36px;
            padding: .3rem .4rem;
            color: var(--text);
            font-size: .92rem;
            border-bottom: 1px solid var(--line-soft);
            transition: color .2s ease, padding-left .2s ease;
        }

        .mega-link:hover {
            color: var(--pine);
            font-weight: 600;
            padding-left: .6rem;
        }

        .mobile-drawer {
            position: fixed;
            inset: 0;
            z-index: 80;
            visibility: hidden;
            pointer-events: none;
        }

        .mobile-drawer[data-open="true"] {
            visibility: visible;
            pointer-events: auto;
        }

        .mobile-backdrop {
            position: absolute;
            inset: 0;
            background: rgba(7, 18, 13, .62);
            opacity: 0;
            transition: opacity .25s ease;
        }

        .mobile-drawer[data-open="true"] .mobile-backdrop {
            opacity: 1;
        }

        .mobile-panel {
            position: absolute;
            top: 0;
            right: 0;
            width: min(88vw, 368px);
            height: 100%;
            background: var(--surface);
            border-left: 1px solid var(--line);
            padding: 1.1rem 1.25rem;
            transform: translateX(102%);
            transition: transform .25s ease;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 1.1rem;
        }

        .mobile-drawer[data-open="true"] .mobile-panel {
            transform: translateX(0);
        }

        .mobile-link {
            display: flex;
            align-items: center;
            min-height: 48px;
            font-weight: 600;
            font-size: .98rem;
            color: var(--text);
            border-bottom: 1px solid var(--line-soft);
            transition: color .2s ease, border-color .2s ease;
        }

        .mobile-link.active {
            color: var(--pine);
            border-bottom-color: var(--gold);
        }

        .mobile-note {
            font-size: .82rem;
            color: var(--muted);
            line-height: 1.8;
            border-top: 1px solid var(--line-soft);
            padding-top: 1rem;
            margin-top: auto;
        }

        .btn-block {
            width: 100%;
        }

        .page-hero {
            position: relative;
            overflow: hidden;
            background: var(--pine-dark);
            color: var(--white);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }

        .hero-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(93deg, rgba(10, 32, 24, .94) 0%, rgba(10, 32, 24, .8) 42%, rgba(10, 32, 24, .5) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            padding: 5.25rem 0 4.8rem;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .22em;
            color: var(--gold);
        }

        .hero-tag::before {
            content: "";
            width: 26px;
            height: 1px;
            background: var(--gold);
            display: inline-block;
        }

        .page-hero h1 {
            max-width: 900px;
            margin-top: 1.1rem;
            color: var(--white);
            font-size: clamp(2.6rem, 6.6vw, 4.7rem);
            line-height: 1.15;
            letter-spacing: -.04em;
            font-weight: 900;
        }

        .hero-lead {
            max-width: 840px;
            margin-top: 1.5rem;
            font-size: 1.05rem;
            line-height: 1.95;
            color: rgba(255, 255, 255, .85);
        }

        .hero-mini {
            max-width: 860px;
            margin-top: 3rem;
            padding-top: 1.7rem;
            border-top: 1px solid rgba(255, 255, 255, .2);
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
            gap: .85rem;
        }

        .hero-mini li {
            display: flex;
            align-items: center;
            gap: .65rem;
            color: rgba(255, 255, 255, .78);
            font-size: .92rem;
        }

        .hero-mini-index {
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--gold);
        }

        .check-list {
            display: grid;
            gap: .2rem;
        }

        .check-row {
            display: grid;
            grid-template-columns: 64px 1fr;
            gap: 1.4rem;
            padding: 1.75rem .25rem;
            border-bottom: 1px solid var(--line);
        }

        .check-index {
            font-size: 1.15rem;
            color: var(--gold-deep);
            font-weight: 800;
            letter-spacing: .04em;
        }

        .check-title,
        .step-title {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.45;
        }

        .check-row p,
        .step-item p,
        .status-row p,
        .tip-row p {
            color: var(--muted);
            font-size: .98rem;
            line-height: 1.9;
            margin-top: .35rem;
        }

        .step-list {
            position: relative;
            max-width: 920px;
            margin: 0 auto;
        }

        .step-list::before {
            content: "";
            position: absolute;
            left: 2.65rem;
            top: 2rem;
            bottom: 2rem;
            width: 1px;
            background: linear-gradient(180deg, rgba(198, 165, 104, .7) 0%, rgba(198, 165, 104, .2) 100%);
        }

        .step-item {
            position: relative;
            display: grid;
            grid-template-columns: 84px 1fr;
            gap: 1.2rem;
            padding: 1.5rem 0;
        }

        .step-index {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--surface);
            border: 1px solid rgba(21, 58, 44, .22);
            color: var(--pine);
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            box-shadow: var(--shadow-sm);
            z-index: 1;
        }

        .step-label {
            display: inline-flex;
            align-items: center;
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: .16em;
            color: var(--gold-deep);
            margin-bottom: .35rem;
        }

        .guide-note {
            max-width: 1040px;
            margin: 2.4rem auto 0;
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            align-items: center;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            overflow: hidden;
        }

        .guide-note img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .guide-note-copy {
            padding: 2rem 2.4rem;
        }

        .guide-note-copy h3 {
            font-size: 1.22rem;
            color: var(--ink);
            font-weight: 800;
        }

        .guide-note-copy p {
            margin-top: .6rem;
            color: var(--muted);
            font-size: .96rem;
            line-height: 1.9;
        }

        .status-list,
        .tip-list {
            max-width: 920px;
            margin: 0 auto;
            border-top: 1px solid var(--line);
        }

        .status-row {
            display: grid;
            grid-template-columns: minmax(260px, .85fr) 1.5fr;
            gap: 2rem;
            padding: 1.55rem .25rem;
            border-bottom: 1px solid var(--line);
        }

        .status-state {
            font-size: 1.02rem;
            font-weight: 800;
            color: var(--ink);
        }

        .status-solve {
            color: var(--muted);
            font-size: .96rem;
            line-height: 1.9;
        }

        .tip-table {
            max-width: 960px;
            margin: 0 auto;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            overflow: hidden;
        }

        .tip-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            padding: 1.4rem 1.8rem;
            border-bottom: 1px solid var(--line-soft);
        }

        .tip-row:last-child {
            border-bottom: 0;
        }

        .tip-col-label {
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .16em;
            color: var(--gold-deep);
            display: block;
            margin-bottom: .4rem;
        }

        .tip-col-solution {
            color: var(--text);
            font-size: .98rem;
            line-height: 1.85;
        }

        .tip-col-wrong {
            color: #7A4C42;
            font-size: .98rem;
            line-height: 1.85;
            font-weight: 500;
        }

        .faq-wrap {
            max-width: 920px;
            margin: 0 auto;
        }

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

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 1.2rem;
            padding: 1.35rem .2rem;
            background: transparent;
            border: 0;
            text-align: left;
            cursor: pointer;
            color: var(--ink);
            font-size: 1.02rem;
            font-weight: 800;
            line-height: 1.6;
            transition: color .2s ease;
        }

        .faq-q:hover {
            color: var(--pine);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-deep);
            font-size: 1.55rem;
            font-weight: 300;
            line-height: 1;
            transition: transform .25s ease;
            margin-top: .1rem;
        }

        .faq-item[data-open="true"] .faq-icon {
            transform: rotate(45deg);
        }

        .faq-a {
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            transition: max-height .3s ease, opacity .3s ease;
        }

        .faq-item[data-open="true"] .faq-a {
            max-height: 340px;
            opacity: 1;
        }

        .faq-a-inner {
            padding: 0 .2rem 1.5rem;
            max-width: 840px;
            color: var(--muted);
            font-size: .99rem;
            line-height: 1.95;
        }

        .cta-block {
            background: var(--pine-dark);
            color: var(--white);
            padding: 4.8rem 0;
            position: relative;
            overflow: hidden;
        }

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

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
            padding-top: 2.6rem;
            border-top: 1px solid rgba(255, 255, 255, .18);
        }

        .cta-inner h2 {
            font-size: clamp(1.6rem, 3.4vw, 2.4rem);
            line-height: 1.35;
            color: var(--white);
            font-weight: 900;
            letter-spacing: -.02em;
        }

        .cta-inner p {
            max-width: 760px;
            margin-top: .8rem;
            color: rgba(255, 255, 255, .72);
            line-height: 1.9;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .9rem;
        }

        .footer-bg {
            background: #0B2019;
        }

        .footer-link {
            display: inline-block;
            color: rgba(255, 255, 255, .6);
            font-size: .9rem;
            line-height: 2.2;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-link:hover {
            color: var(--gold);
            padding-left: .25rem;
        }

        .copyright {
            color: rgba(255, 255, 255, .44);
            font-size: .8rem;
            line-height: 1.7;
        }

        @media (max-width: 1023px) {
            .mega-panel {
                display: none;
            }

            .block-section {
                padding: 4rem 0;
            }

            .hero-inner {
                padding: 4rem 0 3.8rem;
            }
        }

        @media (max-width: 767px) {
            .check-row,
            .step-item {
                grid-template-columns: 1fr;
                gap: .8rem;
            }

            .check-index {
                font-size: .92rem;
            }

            .step-list::before {
                display: none;
            }

            .step-index {
                width: 48px;
                height: 48px;
                font-size: .95rem;
            }

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

            .guide-note img {
                height: 190px;
            }

            .guide-note-copy {
                padding: 1.5rem 1.4rem;
            }

            .status-row,
            .tip-row {
                grid-template-columns: 1fr;
                gap: .6rem;
                padding: 1.2rem 0;
            }

            .tip-row {
                padding: 1.3rem 1rem;
            }

            .brand-main {
                font-size: 1.25rem;
            }

            .brand-sub {
                font-size: .68rem;
            }

            .hero-inner {
                padding-top: 3.4rem;
                padding-bottom: 3.2rem;
            }

            .page-hero h1 {
                font-size: clamp(2.15rem, 10vw, 3.1rem);
            }

            .hero-lead {
                font-size: .96rem;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .container-site {
                padding-left: 1.1rem;
                padding-right: 1.1rem;
            }

            .header-actions .btn-text {
                display: none;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
            }
        }