/* roulang page: index */
:root {
  --brand-1: #FF5A5F;
  --brand-2: #FF9A3D;
  --accent: #00A79A;
  --dark-1: #191613;
  --dark-2: #2A251F;
  --paper: #FAF8F6;
  --card: #FFFFFF;
  --ink: #2A2520;
  --muted: #8B8078;
  --line: #ECE4DD;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow-card: 0 2px 8px rgba(0,0,0,.04), 0 12px 32px rgba(0,0,0,.06);
  --shadow-lift: 0 14px 40px rgba(0,0,0,.10);
  --grad-brand: linear-gradient(135deg, #FF5A5F 0%, #FF9A3D 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.container-site { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 24px; }
.section-space { padding-top: 100px; padding-bottom: 100px; }
.h2-title { font-size: clamp(1.55rem, 3vw, 2.15rem); font-weight: 800; line-height: 1.32; letter-spacing: -.01em; margin: 0 0 18px; }
.sec-tag { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.sec-tag i { color: var(--brand-1); }
.sec-head-cn { max-width: 760px; margin-bottom: 30px; }
.section-sub { color: var(--muted); font-size: 1.02rem; margin: -8px 0 0; }

.btn-brand, .btn-ghost {
  -webkit-tap-highlight-color: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  position: relative;
  overflow: hidden;
  min-height: 48px;
  border-radius: 999px;
  padding: 0 26px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
}
.btn-brand {
  color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 12px 30px rgba(255,90,63,.30), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-brand::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.3), transparent);
  transform: skewX(-20deg);
  transition: left .5s ease;
}
.btn-brand:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(255,90,63,.40); }
.btn-brand:hover::after { left: 130%; }
.btn-brand:active { transform: scale(.97); }
.btn-brand:focus-visible, .btn-ghost:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid rgba(255,154,61,.6); outline-offset: 3px; }
.btn-ghost {
  color: #fff;
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.30);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.16); transform: translateY(-2px); }

.badge-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.9);
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(6px);
}

.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 70; padding-top: 18px; transition: padding .3s ease; }
.site-header.scrolled { padding-top: 8px; }
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-radius: 999px;
  padding: 10px 14px 10px 22px;
  background: transparent;
  border: 1px solid transparent;
  transition: background .35s ease, backdrop-filter .35s ease, border-color .35s ease, box-shadow .35s ease, padding .35s ease;
}
.site-header.scrolled .nav-shell {
  background: rgba(25,22,19,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: rgba(255,255,255,.08);
  box-shadow: 0 12px 34px rgba(13,10,8,.26);
  border-radius: 999px;
  padding: 8px 12px 8px 20px;
}
.brand-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; }
.brand-logo .icon-circle {
  width: 34px; height: 34px; border-radius: 50%; flex: 0 0 34px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad-brand); box-shadow: 0 6px 18px rgba(255,90,63,.42);
  color: #fff; font-size: 14px;
}
.brand-logo .brand-name-text { font-size: 19px; font-weight: 800; letter-spacing: -.01em; line-height: 1.2; color: #fff; white-space: nowrap; }
.nav-primary { display: flex; align-items: center; justify-content: center; }
.nav-primary a {
  position: relative;
  display: inline-block;
  padding: 8px 13px;
  color: rgba(255,255,255,.78);
  font-size: 15px;
  font-weight: 500;
  border-radius: 999px;
  transition: color .2s ease, background .2s ease;
}
.nav-primary a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-primary a.active { color: #fff; font-weight: 700; background: rgba(255,255,255,.12); }
.mobile-menu-btn {
  display: none;
  width: 44px; height: 44px; align-items: center; justify-content: center;
  border-radius: 50%; color: #fff; background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.16); cursor: pointer; transition: background .2s;
}
.mobile-menu-btn:hover { background: rgba(255,255,255,.20); }
.mobile-drawer {
  display: none;
  padding: 10px 16px 22px;
}
.mobile-drawer.open .mobile-nav-card {
  background: rgba(30,26,23,.98);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 24px;
  margin-top: 12px;
  padding: 14px;
  box-shadow: 0 20px 44px rgba(0,0,0,.28);
}
.mobile-drawer a.mob-link {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 14px; border-radius: 16px;
  color: rgba(255,255,255,.9); font-weight: 500; font-size: 16px;
}
.mobile-drawer a.mob-link:hover, .mobile-drawer a.mob-link.active { background: rgba(255,255,255,.08); color: #fff; }
.mobile-drawer a.mob-link i { width: 20px; color: var(--brand-2); }

.hero-section {
  position: relative;
  min-height: 840px;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  background-color: var(--dark-1);
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero-section::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,16,14,.82) 0%, rgba(22,17,14,.65) 50%, rgba(25,22,19,.85) 100%);
  z-index: 1;
}
.hero-section::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 84% 24%, rgba(255,154,61,.20), transparent 42%), radial-gradient(ellipse at 12% 88%, rgba(0,167,154,.18), transparent 44%);
  z-index: 1;
}
.hero-inner { position: relative; z-index: 3; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 46px; align-items: center; padding-top: 170px; padding-bottom: 120px; }
.hero-main {} 
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px; border-radius: 999px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.9); font-size: 13px; font-weight: 600; margin-bottom: 26px; }
.hero-eyebrow i { color: var(--accent); }
.hero-title { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.22; font-weight: 800; letter-spacing: -.02em; margin: 0 0 18px; }
.hero-title .grad-text { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-desc { max-width: 560px; color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.85; margin: 0 0 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-bottom: 42px; }
.hero-meta-group { display: flex; flex-wrap: wrap; gap: 18px; }
.hero-chip { color: rgba(255,255,255,.7); font-size: 13px; display: inline-flex; gap: 6px; align-items: center; }

.hero-media { position: relative; }
.hero-screen-card {
  position: relative;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.22);
  padding: 12px;
  border-radius: 26px;
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 60px rgba(0,0,0,.26);
  transform: rotate(1.8deg);
  transition: transform .4s ease;
}
.hero-screen-card:hover { transform: rotate(0deg) translateY(-8px); }
.hero-screen-card img { width: 100%; height: 340px; object-fit: cover; border-radius: 16px; display: block; }
.hero-screen-float {
  position: absolute;
  bottom: -28px;
  left: 18px;
  background: rgba(30,26,23,.96);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 16px 40px rgba(0,0,0,.28);
  color: #fff;
  border-radius: 18px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  backdrop-filter: blur(10px);
  max-width: 300px;
}
.hero-screen-float .float-icon { width: 40px; height: 40px; border-radius: 12px; background: var(--grad-brand); display: inline-flex; align-items: center; justify-content: center; font-size: 17px; color: #fff; }
.hero-screen-float b { font-size: 15px; font-weight: 700; display: block; line-height: 1.4; }
.hero-screen-float span { font-size: 12px; color: rgba(255,255,255,.6); }

.steps-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 40px; align-items: start; }
.steps-rail { position: relative; }
.step-row { display: grid; grid-template-columns: 64px 1fr; gap: 18px; position: relative; padding-bottom: 14px; }
.step-row:not(:last-child)::before { content: ""; position: absolute; left: 31px; top: 60px; bottom: -6px; width: 2px; background: linear-gradient(180deg, rgba(255,90,63,.3), rgba(255,154,61,.06)); }
.step-line { width: 62px; height: 62px; border-radius: 22px; background: var(--dark-1); color: #fff; font-weight: 800; font-size: 22px; display: inline-flex; align-items: center; justify-content: center; box-shadow: inset 0 1px 0 rgba(255,255,255,.14), 0 12px 26px rgba(37,28,22,.14); }
.step-box { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-card); border-radius: var(--radius-md); padding: 20px 22px; transition: transform .28s ease, box-shadow .28s ease, border-color .28s; min-height: 112px; }
.step-box:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); border-color: rgba(255,90,63,.45); }
.step-box h3 { font-size: 16px; font-weight: 700; margin: 0 0 8px; letter-spacing: -.01em; }
.step-box p { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.75; }
.side-info { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 26px; }
.side-info .side-ico { width: 54px; height: 54px; border-radius: 18px; background: rgba(0,167,154,.12); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 16px; }
.side-info h4 { margin: 0 0 10px; font-size: 18px; font-weight: 700; }
.side-info ul { list-style: none; margin: 0; padding: 0; }
.side-info li { position: relative; padding: 8px 0 8px 28px; color: #5d564f; font-size: 14px; border-bottom: 1px dashed var(--line); }
.side-info li:last-child { border-bottom: 0; }
.side-info li::before { content: "\f058"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 0; top: 10px; color: var(--accent); font-size: 15px; }

.privilege-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 24px; align-items: stretch; }
.pr-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); overflow: hidden; transition: transform .3s ease, box-shadow .3s ease; display: flex; flex-direction: column; position: relative; }
.pr-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lift); }
.pr-card::before { content: ""; display: block; height: 4px; background: var(--grad-brand); opacity: .6; transition: opacity .3s; border-radius: 999px; }
.pr-card:hover::before { opacity: 1; }
.pr-lg { grid-column: span 7; }
.pr-sm { grid-column: span 5; }
.pr-media { overflow: hidden; position: relative; }
.pr-media img { transition: transform .6s ease; width: 100%; height: 230px; object-fit: cover; }
.pr-card:hover .pr-media img { transform: scale(1.05); }
.pr-media .overlay-note { position: absolute; left: 16px; bottom: 14px; background: rgba(25,22,19,.75); backdrop-filter: blur(8px); color: #fff; padding: 6px 13px; font-size: 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,.12); }
.pr-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.pr-body .pr-badge { align-self: flex-start; margin-bottom: 12px; font-size: 12px; font-weight: 700; color: var(--brand-2); background: rgba(255,90,63,.08); border-radius: 999px; padding: 4px 10px; }
.pr-body h3 { margin: 0 0 8px; font-size: 20px; font-weight: 750; letter-spacing: -.01em; line-height: 1.4; }
.pr-body p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.pr-footer { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 8px; border-top: 1px solid var(--line); }
.pr-footer .mini-point { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; color: var(--ink); }
.arrow-link { display: inline-flex; align-items: center; gap: 7px; color: var(--dark-2); font-weight: 700; font-size: 14px; }
.arrow-link i { transition: transform .22s ease; color: var(--brand-1); }
.pr-card:hover .arrow-link i { transform: translateX(4px); }

.dashboard-panel { background: var(--dark-1); border-radius: 32px; padding: 44px; position: relative; color: #fff; overflow: hidden; }
.dashboard-panel::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 90% 10%, rgba(255,154,61,.16), transparent 36%), radial-gradient(circle at 5% 95%, rgba(0,167,154,.16), transparent 34%); pointer-events: none; }
.dashboard-panel .db-outer { position: relative; z-index: 2; display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: center; }
.dashboard-panel h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); margin: 8px 0 12px; line-height: 1.4; }
.dashboard-panel .db-desc { color: rgba(255,255,255,.68); font-size: 15px; }
.db-number { font-size: 68px; line-height: 1em; font-weight: 800; letter-spacing: -2px; }
.db-caption { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 8px; }
.task-list { display: flex; flex-direction: column; gap: 16px; }
.task-card { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); border-radius: 20px; padding: 17px 18px; backdrop-filter: blur(6px); transition: background .25s, transform .25s; }
.task-card:hover { background: rgba(255,255,255,.12); transform: translateX(-4px); }
.task-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 12px; }
.task-name { font-weight: 700; font-size: 15px; }
.task-state { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: rgba(0,167,154,.18); color: #7de8dd; white-space: nowrap; }
.task-state.done { background: rgba(255,255,255,.08); color: rgba(255,255,255,.65); }
.task-state.wait { background: rgba(255,154,61,.16); color: #ffd4a8; }
.progress-track { height: 7px; background: rgba(255,255,255,.1); border-radius: 999px; overflow: hidden; }
.progress-bar { display: block; height: 100%; width: 0; border-radius: 999px; background: var(--grad-brand); transition: width 1.2s cubic-bezier(.22,1,.36,1); box-shadow: 0 0 12px rgba(255,154,61,.5); }
.task-meta { margin-top: 10px; font-size: 12px; color: rgba(255,255,255,.5); }

.news-section { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.news-grid2 { display: grid; grid-template-columns: minmax(0, 1fr) 350px; gap: 30px; align-items: start; }
.news-card { display: flex; align-items: flex-start; gap: 18px; background: #fff; border-radius: var(--radius-md); border: 1px solid var(--line); padding: 22px; box-shadow: 0 2px 8px rgba(0,0,0,.025); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; margin-bottom: 16px; }
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); border-color: rgba(255,90,63,.35); }
.news-card .news-time { min-width: 78px; text-align: center; background: var(--dark-1); color: rgba(255,255,255,.8); border-radius: 14px; padding: 12px 6px; font-size: 11px; line-height: 1.4; }
.news-time b { display: block; font-size: 21px; font-weight: 800; color: #fff; }
.news-content { flex: 1; min-width: 0; }
.news-content .badge-chip { display: inline-block; padding: 3px 10px; border-radius: 999px; background: rgba(255,90,63,.09); color: #c94d34; font-size: 12px; font-weight: 700; margin-bottom: 7px; }
.news-content h3 { margin: 0 0 7px; font-size: 17px; line-height: 1.5; font-weight: 700; }
.news-content h3 a:hover { color: #e04943; }
.news-content p { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.news-content .md-time { font-size: 12px; color: var(--muted); }
.news-aside { background: #fff; border: 1px solid var(--line); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-card); }
.news-aside img { width: 100%; height: 180px; object-fit: cover; }
.news-aside .aside-con { padding: 22px; }
.news-aside .aside-con h3 { margin: 0 0 10px; font-size: 18px; }
.news-aside .aside-con p { margin: 0 0 16px; font-size: 14px; color: var(--muted); }
.empty-feed { text-align: center; background: #fff; border: 1px dashed #d8cdc2; border-radius: 24px; padding: 60px 20px; color: var(--muted); }
.empty-feed i { font-size: 38px; margin-bottom: 16px; color: var(--brand-2); opacity: .6; }

.faq-wrap { max-width: 860px; margin-inline: auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 18px; transition: box-shadow .25s ease, border-color .25s ease; overflow: hidden; }
.faq-item.open { box-shadow: var(--shadow-card); border-color: rgba(255,90,63,.32); }
.faq-item .faq-q { width: 100%; background: transparent; border: 0; padding: 18px 22px; text-align: left; font-size: 16px; font-weight: 650; color: var(--ink); display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; min-height: 56px; transition: background .2s; }
.faq-item .faq-q:hover { background: rgba(255,90,63,.03); }
.faq-item .faq-q .faq-ic { position: relative; width: 28px; height: 28px; border-radius: 50%; background: var(--dark-1); color: #fff; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 28px; transition: transform .3s ease, background .3s; }
.faq-item.open .faq-q .faq-ic { background: var(--brand-1); transform: rotate(135deg); }
.faq-item .faq-answer { max-height: 0; overflow: hidden; transition: max-height .42s ease; }
.faq-item .faq-a { padding: 0 22px 22px 64px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.faq-note { text-align: center; max-width: 720px; margin: 28px auto 0; font-size: 13px; color: var(--muted); }

.cta-banner {
  position: relative;
  border-radius: 34px;
  background: var(--dark-1);
  color: #fff;
  overflow: hidden;
  padding: 52px;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
}
.cta-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(25,22,19,.96) 0%, rgba(25,22,19,.68) 50%, rgba(25,22,19,.2) 100%); }
.cta-banner .cta-inner { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; gap: 20px; max-width: 620px; }
.cta-banner h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0; line-height: 1.4; }
.cta-banner p { opacity: .72; font-size: 15px; max-width: 520px; margin: 0; }

.site-footer { background: #14110f; color: rgba(255,255,255,.7); }
.footer-con { padding: 64px 0 26px; }
.footer-top-grid { display: grid; grid-template-columns: 1.2fr .8fr .9fr 1.1fr; gap: 36px; padding-bottom: 42px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-logo .brand-logo { margin-bottom: 14px; }
.footer-logo p { font-size: 13px; line-height: 1.8; max-width: 300px; margin: 0; color: rgba(255,255,255,.6); }
.footer-title { color: #fff; font-weight: 700; font-size: 15px; margin: 6px 0 14px; }
.footer-list { list-style: none; margin: 0; padding: 0; }
.footer-list li { margin-bottom: 10px; font-size: 14px; }
.footer-list a { color: rgba(255,255,255,.6); transition: color .2s ease, padding-left .2s ease; }
.footer-list a:hover { color: #fff; padding-left: 4px; }
.footer-seo-words { display: flex; flex-wrap: wrap; gap: 10px; padding-top: 24px; }
.footer-seo-words span { font-size: 12px; color: rgba(255,255,255,.4); background: rgba(255,255,255,.04); border-radius: 999px; padding: 6px 12px; border: 1px solid rgba(255,255,255,.05); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding: 18px 0 0; border-top: 1px solid rgba(255,255,255,.08); margin-top: 24px; font-size: 12px; color: rgba(255,255,255,.45); }
.footer-bottom a { color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: #fff; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: none; }

@media (max-width: 1024px) {
  .nav-primary { gap: 2px; }
  .nav-primary a { padding: 8px 9px; font-size: 14px; }
  .nav-shell { padding-left: 16px; }
  .brand-logo .brand-name-text { font-size: 17px; }
  .hero-inner { gap: 28px; }
  .hero-screen-card img { height: 280px; }
  .dashboard-panel .db-outer { grid-template-columns: 1fr; }
  .footer-top-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 150px; padding-bottom: 110px; }
  .hero-media { max-width: 540px; }
  .hero-section { min-height: 0; }
  .steps-wrap { grid-template-columns: 1fr; }
  .pr-lg, .pr-sm { grid-column: 1 / -1; }
  .news-grid2 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section-space { padding-top: 64px; padding-bottom: 64px; }
  .nav-primary { display: none; }
  .mobile-menu-btn { display: inline-flex; }
  .nav-cta-desktop { display: none; }
  .mobile-drawer { display: block; }
  .container-site { padding-inline: 18px; }
  .site-header { padding-top: 12px; }
  .site-header.scrolled .nav-shell, .nav-shell { padding: 8px 8px 8px 14px; border-radius: 999px; }
  .brand-logo .icon-circle { width: 30px; height: 30px; flex-basis: 30px; }
  .brand-logo .brand-name-text { font-size: 16px; }
  .footer-top-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-title { font-size: clamp(1.8rem, 7vw, 2.4rem); }
  .dashboard-panel { padding: 26px; }
  .news-card { flex-direction: column; }
  .news-card .news-time { width: 100%; text-align: left; min-width: 0; display: flex; align-items: center; gap: 8px; }
  .cta-banner { padding: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 420px) {
  .hero-title { font-size: 28px; }
  .step-row { grid-template-columns: 50px 1fr; }
  .step-line { width: 50px; height: 50px; font-size: 18px; border-radius: 16px; }
  .db-number { font-size: 52px; }
  .task-card { padding: 14px 12px; }
  .faq-item .faq-a { padding-left: 22px; }
}

/* roulang page: article */
:root {
    --brand1: #FF5A5F;
    --brand2: #FF9A3D;
    --brand-grad: linear-gradient(135deg, #FF5A5F, #FF9A3D);
    --deep: #191613;
    --deep2: #2A251F;
    --lightbg: #FAF8F6;
    --cardbg: #FFFFFF;
    --ink: #2A2520;
    --muted: #8B8078;
    --line: #ECE4DD;
    --teal: #00A79A;
    --r-xl: 28px;
    --r-lg: 18px;
    --r-pill: 999px;
    --shadow: 0 2px 8px rgba(0, 0, 0, .04), 0 16px 40px rgba(0, 0, 0, .06);
    --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font-family);
    background: var(--lightbg);
    color: var(--ink);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

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

  button {
    font-family: inherit;
    cursor: pointer;
  }

  ::selection {
    background: #FFD5B8;
    color: #2A2520;
  }

  .container-site {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .site-header {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
    width: 100%;
    padding: 22px 0 0;
    background: linear-gradient(180deg, rgba(25, 22, 19, .62) 0%, rgba(25, 22, 19, 0) 100%);
    transition: padding .35s ease, background .35s ease, backdrop-filter .35s ease;
  }

  .site-header.scrolled {
    position: fixed;
    top: 0;
    padding: 10px 0;
    background: rgba(25, 22, 19, .93);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    box-shadow: 0 10px 32px rgba(0, 0, 0, .22);
  }

  .nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: #fff;
    white-space: nowrap;
  }

  .icon-circle {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-grad);
    border-radius: 50%;
    color: #fff;
    font-size: 17px;
    box-shadow: 0 0 0 4px rgba(255, 142, 86, .14), 0 10px 18px rgba(0, 0, 0, .18);
    flex: none;
  }

  .brand-name-text {
    font-size: 21px;
    font-weight: 800;
    letter-spacing: -.2px;
    color: #fff;
  }

  .nav-primary {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .nav-primary a {
    position: relative;
    color: rgba(255, 255, 255, .8);
    font-size: 15px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: var(--r-pill);
    transition: color .25s ease, background .25s ease;
  }

  .nav-primary a:hover {
    color: #fff;
    background: rgba(255, 255, 255, .1);
  }

  .nav-primary a.active,
  .nav-primary a:active {
    color: #fff;
    background: rgba(255, 255, 255, .14);
  }

  .btn-brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--brand-grad);
    color: #fff;
    font-weight: 800;
    font-size: 15px;
    height: 48px;
    padding: 0 22px;
    border-radius: var(--r-pill);
    border: 0;
    white-space: nowrap;
    box-shadow: 0 10px 24px rgba(255, 76, 64, .25);
    transition: transform .2s ease, box-shadow .25s ease, filter .2s ease;
  }

  .btn-brand:hover {
    filter: brightness(1.06);
    box-shadow: 0 14px 32px rgba(255, 76, 64, .32);
    transform: translateY(-2px);
  }

  .btn-brand:active {
    transform: translateY(0) scale(.97);
    filter: brightness(.97);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    height: 48px;
    padding: 0 24px;
    border-radius: var(--r-pill);
    border: 1px solid rgba(255, 255, 255, .55);
    transition: background .25s ease, border-color .25s ease, transform .2s ease;
  }

  .btn-outline:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
  }

  .mobile-menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 14px;
    color: #fff;
    font-size: 18px;
    transition: background .2s ease;
  }

  .mobile-menu-btn:hover {
    background: rgba(255, 255, 255, .2);
  }

  .mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 200;
    width: min(400px, 100%);
    height: 100vh;
    background: rgba(25, 22, 19, .98);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    padding: 68px 16px 24px;
    transform: translateX(-110%);
    transition: transform .32s ease, opacity .32s ease;
    opacity: 0;
    visibility: hidden;
  }

  .mobile-drawer.open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav-card {
    background: var(--deep2);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 22px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .mob-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, .84);
    font-size: 16px;
    font-weight: 600;
    padding: 13px 16px;
    border-radius: 14px;
    transition: background .2s ease, color .2s ease;
  }

  .mob-link:hover {
    background: rgba(255, 255, 255, .08);
    color: #fff;
  }

  .mob-link.active {
    background: linear-gradient(135deg, rgba(255, 90, 95, .3), rgba(255, 154, 61, .3));
    color: #fff;
  }

  .article-hero {
    position: relative;
    background: var(--deep);
    color: #fff;
    min-height: 500px;
    display: flex;
    align-items: flex-end;
    padding: 130px 0 80px;
    overflow: hidden;
  }

  .article-hero-bg {
    position: absolute;
    inset: 0;
    background:
      linear-gradient(82deg, rgba(25, 22, 19, .92) 0%, rgba(63, 26, 21, .72) 48%, rgba(25, 22, 19, .46) 100%),
      url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  }

  .article-hero::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 90px;
    background: linear-gradient(to bottom, rgba(250, 248, 246, 0), rgba(250, 248, 246, 1));
    pointer-events: none;
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
  }

  .article-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
  }

  .kicker-line {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .5px;
    color: #FFD8C2;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    padding: 5px 14px;
    border-radius: var(--r-pill);
  }

  .article-hero h1 {
    margin: 0;
    max-width: 960px;
    font-size: clamp(1.9rem, 3.4vw, 3rem);
    line-height: 1.22;
    font-weight: 900;
    color: #fff;
    letter-spacing: -.4px;
  }

  .article-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 24px;
    font-size: 14px;
    color: rgba(255, 255, 255, .64);
  }

  .article-breadcrumb a {
    color: rgba(255, 255, 255, .8);
    transition: color .2s ease;
  }

  .article-breadcrumb a:hover {
    color: #FFAD72;
  }

  .article-breadcrumb i {
    font-size: 12px;
    color: rgba(255, 255, 255, .4);
  }

  .article-breadcrumb .crumb-item {
    max-width: 360px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .article-section {
    background: var(--lightbg);
    padding: 70px 0 80px;
  }

  .article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 304px;
    gap: 40px;
    align-items: start;
  }

  .article-main {
    min-width: 0;
  }

  .article-card {
    background: var(--cardbg);
    border: 1px solid rgba(236, 228, 221, .8);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
  }

  .article-cover {
    overflow: hidden;
  }

  .article-cover img {
    width: 100%;
    aspect-ratio: 16 / 7;
    object-fit: cover;
  }

  .article-body {
    padding: 44px 52px 52px;
  }

  .article-meta-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 30px;
  }

  .meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--lightbg);
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: var(--r-pill);
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
  }

  .meta-chip i {
    color: #D98847;
  }

  .meta-chip.accent-on {
    color: #0A8C81;
  }

  .meta-chip.accent-on i {
    color: var(--teal);
  }

  .article-content {
    color: #3B332B;
    font-size: 17px;
    line-height: 2;
    word-break: break-word;
  }

  .article-content p {
    margin: 0 0 1.6em;
  }

  .article-content h2 {
    font-size: 1.55rem;
    font-weight: 800;
    margin: 2.2em 0 .9em;
    color: var(--ink);
    scroll-margin-top: 110px;
    line-height: 1.4;
  }

  .article-content h3 {
    font-size: 1.25rem;
    font-weight: 750;
    margin: 2em 0 .8em;
    color: var(--ink);
    scroll-margin-top: 110px;
  }

  .article-content ul,
  .article-content ol {
    margin: 0 0 1.6em;
    padding-left: 1.4em;
  }

  .article-content li {
    margin-bottom: .5em;
  }

  .article-content img {
    border-radius: var(--r-lg);
    margin: 1.6em 0;
  }

  .article-content blockquote {
    border-left: 4px solid var(--brand2);
    background: #FFF4EC;
    border-radius: 0 16px 16px 0;
    padding: 18px 22px;
    margin: 0 0 1.6em;
    color: #5D4636;
  }

  .article-content a {
    color: #CF5F23;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: rgba(207, 95, 35, .35);
    transition: color .2s ease;
  }

  .article-content a:hover {
    color: #B54712;
  }

  .article-content table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 1.6em 0;
    background: #fff;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--line);
  }

  .article-content th,
  .article-content td {
    border-bottom: 1px solid var(--line);
    padding: 12px 16px;
    font-size: 15px;
    text-align: left;
  }

  .article-content th {
    background: #FAF5F0;
    font-weight: 700;
  }

  .article-content td:last-child,
  .article-content th:last-child {
    border-right: 0;
  }

  .back-category-btn {
    display: flex;
    justify-content: center;
    margin-top: 40px;
  }

  .article-aside {
    position: sticky;
    top: 104px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .aside-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 24px 22px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .03);
  }

  .aside-title {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--ink);
  }

  .aside-title i {
    color: var(--brand2);
  }

  .toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 340px;
    overflow-y: auto;
  }

  .toc-list li {
    margin: 0 0 5px;
  }

  .toc-link {
    display: block;
    padding: 7px 10px;
    border-left: 2px solid var(--line);
    font-size: 14px;
    line-height: 1.5;
    color: var(--muted);
    transition: color .2s ease, border-color .2s ease, background .2s ease;
  }

  .toc-link:hover,
  .toc-link.active-item {
    color: var(--ink);
    border-left-color: var(--brand2);
    background: #FFF7F1;
  }

  .aside-note {
    background: linear-gradient(135deg, rgba(25, 22, 19, .97), rgba(47, 38, 31, .98));
    color: rgba(255, 255, 255, .78);
    border-radius: 20px;
    padding: 22px 20px;
    font-size: 14px;
  }

  .aside-note-icon {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--brand-grad);
    color: #fff;
    margin-bottom: 12px;
  }

  .aside-note strong {
    color: #fff;
    display: block;
    margin-bottom: 6px;
  }

  .section-head {
    max-width: 900px;
    margin-bottom: 40px;
  }

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

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #C55A25;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .4px;
    margin-bottom: 12px;
  }

  .section-kicker::before {
    content: '';
    width: 18px;
    height: 2px;
    background: var(--brand-grad);
    border-radius: 2px;
  }

  .section-title {
    font-size: clamp(1.55rem, 2.4vw, 2.1rem);
    line-height: 1.3;
    font-weight: 900;
    color: var(--ink);
    margin: 0;
  }

  .section-desc {
    color: var(--muted);
    font-size: 16px;
    margin-top: 16px;
    max-width: 720px;
  }

  .faq-section {
    background: var(--lightbg);
    padding: 60px 0 72px;
  }

  .faq-panel {
    max-width: 850px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    transition: box-shadow .3s ease, transform .2s ease;
  }

  .faq-item.open {
    box-shadow: 0 10px 26px rgba(0, 0, 0, .07);
  }

  .faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border: 0;
    background: transparent;
    text-align: left;
    padding: 18px 22px;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    transition: background .2s ease;
  }

  .faq-q:hover {
    background: #FFF8F2;
  }

  .faq-q .faq-icon {
    flex: none;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #F7F1EC;
    color: var(--muted);
    transition: background .3s ease, color .3s ease, transform .3s ease;
  }

  .faq-item.open .faq-q .faq-icon {
    background: var(--brand-grad);
    color: #fff;
    transform: rotate(180deg);
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    padding: 0 22px;
    color: #65594E;
    font-size: 15px;
    line-height: 1.85;
    transition: max-height .35s ease, padding .35s ease;
  }

  .faq-item.open .faq-a {
    max-height: 280px;
    padding: 0 22px 20px;
  }

  .faq-a p {
    margin: 0 0 8px;
  }

  .related-section {
    background: linear-gradient(180deg, #F3EEEA 0%, #F7F3EF 100%);
    padding: 72px 0;
  }

  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .related-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 30px 24px 26px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, .04);
    overflow: hidden;
    transition: transform .25s ease, box-shadow .3s ease;
  }

  .related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 38px rgba(0, 0, 0, .08);
  }

  .related-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--brand-grad);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s ease;
  }

  .related-card:hover::before {
    transform: scaleX(1);
  }

  .related-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: #FFF1E8;
    color: #D56729;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 16px;
  }

  .related-card h3 {
    font-size: 18px;
    line-height: 1.5;
    font-weight: 800;
    color: var(--ink);
    margin: 0 0 10px;
  }

  .related-card p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
    margin: 0 0 20px;
  }

  .related-card .more-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #C95C27;
    font-size: 14px;
    font-weight: 700;
    transition: gap .2s ease;
  }

  .related-card:hover .more-arrow {
    gap: 12px;
  }

  .cta-section {
    background: var(--deep);
    padding: 80px 0;
  }

  .cta-inner {
    position: relative;
    border-radius: var(--r-xl);
    padding: 62px 60px;
    color: #fff;
    overflow: hidden;
    background:
      linear-gradient(105deg, rgba(25, 22, 19, .94) 0%, rgba(45, 26, 22, .82) 100%),
      url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    border: 1px solid rgba(255, 255, 255, .1);
  }

  .cta-inner::after {
    content: '';
    position: absolute;
    right: -70px;
    top: -70px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: var(--brand-grad);
    opacity: .2;
    filter: blur(12px);
  }

  .cta-inner .cta-content {
    position: relative;
    z-index: 2;
    max-width: 620px;
  }

  .cta-title {
    font-size: clamp(1.5rem, 2.4vw, 2rem);
    font-weight: 900;
    line-height: 1.3;
    margin: 0 0 16px;
  }

  .cta-desc {
    color: rgba(255, 255, 255, .72);
    font-size: 16px;
    margin-bottom: 30px;
  }

  .cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  .not-found-main {
    min-height: 72vh;
    background:
      linear-gradient(120deg, rgba(25, 22, 19, .92), rgba(44, 34, 28, .8)),
      url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 150px 24px 80px;
    color: #fff;
    text-align: center;
  }

  .not-found-card {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 28px;
    padding: 48px;
    max-width: 560px;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .not-found-card h1 {
    font-size: 2rem;
    margin: 18px 0 10px;
    font-weight: 900;
  }

  .not-found-card p {
    color: rgba(255, 255, 255, .74);
    margin-bottom: 24px;
  }

  .site-footer {
    background: #14110F;
    color: #A99E94;
    padding: 66px 0 26px;
  }

  .footer-top-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 38px;
  }

  .footer-logo .brand-logo {
    color: #fff;
  }

  .footer-logo p {
    max-width: 360px;
    margin: 18px 0 0;
    font-size: 14px;
    line-height: 1.9;
    color: #9A8F85;
  }

  .footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 18px;
  }

  .footer-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .footer-list li {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.7;
  }

  .footer-list a {
    color: #A99E94;
    transition: color .2s ease;
  }

  .footer-list a:hover {
    color: #FF9A3D;
  }

  .footer-seo-words {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px 0 24px;
    border-top: 1px solid rgba(255, 255, 255, .07);
  }

  .footer-seo-words span {
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .07);
    color: #8D8278;
    padding: 6px 13px;
    border-radius: 999px;
    font-size: 13px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .07);
    padding-top: 22px;
    margin-top: 4px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #7C726A;
  }

  @media (max-width: 1024px) {
    .article-layout {
      grid-template-columns: minmax(0, 1fr) 260px;
      gap: 28px;
    }

    .article-body {
      padding: 36px 36px;
    }

    .footer-top-grid {
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 28px;
    }

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

  @media (max-width: 900px) {
    .nav-primary {
      display: none;
    }

    .mobile-menu-btn {
      display: inline-flex;
    }

    .mobile-drawer {
      display: block;
    }

    .article-section {
      padding: 56px 0 60px;
    }

    .article-layout {
      grid-template-columns: 1fr;
    }

    .article-aside {
      position: static;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .footer-top-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 640px) {
    .container-site {
      padding-left: 18px;
      padding-right: 18px;
    }

    .brand-name-text {
      font-size: 18px;
    }

    .article-hero {
      min-height: 440px;
      padding: 112px 0 62px;
    }

    .article-hero .container-site {
      padding-left: 20px;
      padding-right: 20px;
    }

    .article-hero h1 {
      font-size: 1.7rem;
    }

    .article-card {
      border-radius: 22px;
    }

    .article-cover img {
      aspect-ratio: 16 / 9;
    }

    .article-body {
      padding: 24px 20px;
    }

    .article-meta-list {
      gap: 8px;
    }

    .meta-chip {
      padding: 5px 10px;
      font-size: 12px;
    }

    .article-content {
      font-size: 16px;
      line-height: 1.95;
    }

    .article-aside {
      grid-template-columns: 1fr;
    }

    .back-category-btn {
      margin-top: 30px;
    }

    .faq-section,
    .related-section {
      padding: 54px 0 60px;
    }

    .faq-q {
      padding: 16px 18px;
    }

    .faq-a {
      padding: 0 18px;
    }

    .faq-item.open .faq-a {
      padding: 0 18px 18px;
    }

    .related-grid {
      grid-template-columns: 1fr;
      gap: 18px;
    }

    .cta-inner {
      padding: 42px 26px;
      border-radius: 24px;
    }

    .cta-buttons {
      flex-direction: column;
      align-items: stretch;
    }

    .cta-buttons .btn-brand,
    .cta-buttons .btn-outline {
      width: 100%;
    }

    .not-found-card {
      padding: 36px 20px;
      border-radius: 22px;
    }

    .site-footer {
      padding-top: 54px;
    }

    .footer-top-grid {
      grid-template-columns: 1fr;
      gap: 30px;
      padding-bottom: 24px;
    }

    .footer-bottom {
      flex-direction: column;
      gap: 6px;
    }
  }

/* roulang page: category1 */
:root {
            --color-bg: #FAF8F6;
            --color-surface: #FFFFFF;
            --color-deep: #191613;
            --color-deep-2: #2A251F;
            --color-ink: #2A2520;
            --color-muted: #8B8078;
            --color-border: #ECE4DD;
            --color-coral: #FF5A5F;
            --color-amber: #FF9A3D;
            --color-teal: #00A79A;
            --radius-lg: 28px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, .04), 0 12px 32px rgba(0, 0, 0, .06);
            --max-width: 1200px;
        }

        html {
            box-sizing: border-box;
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

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

        body {
            margin: 0;
            background: var(--color-bg);
            color: var(--color-ink);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            line-height: 1.7;
            font-size: 16px;
        }

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

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

        button {
            font-family: inherit;
            border: 0;
            background: none;
            cursor: pointer;
            color: inherit;
        }

        .container-site {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-narrow {
            max-width: 840px;
            margin: 0 auto;
        }

        .section-block {
            padding: 76px 0;
        }

        .section-block.soft-bg {
            background: var(--color-bg);
        }

        .section-block.white-bg {
            background: #fff;
        }

        .section-kicker {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 90, 95, .08);
            border: 1px solid rgba(255, 90, 95, .16);
            color: #D84345;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .04em;
            margin-bottom: 14px;
        }

        .section-title-xl {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            line-height: 1.3;
            margin: 0 0 18px;
            color: var(--color-ink);
            font-weight: 800;
        }

        .section-lead {
            font-size: 16px;
            color: var(--color-muted);
            max-width: 760px;
        }

        .btn-brand {
            display: inline-flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            height: 46px;
            padding: 0 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, #FF5A5F 0%, #FF9A3D 100%);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            box-shadow: 0 10px 24px rgba(255, 120, 70, .24);
            transition: all .2s ease;
            white-space: nowrap;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 120, 70, .34), 0 0 0 1px rgba(255, 255, 255, .2) inset;
        }

        .btn-brand:active,
        .btn-brand:focus-visible {
            transform: scale(.97);
            outline: 3px solid rgba(255, 90, 95, .28);
        }

        .btn-outline {
            display: inline-flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            height: 46px;
            padding: 0 22px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .38);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, .18);
            border-color: rgba(255, 255, 255, .7);
        }

        .muted-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #F5F0EB;
            color: #5C514A;
            border-radius: 999px;
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            transition: all .2s ease;
        }

        .muted-btn:hover {
            background: #EFE6DF;
            color: #2A2520;
        }

        /* header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 80;
            padding: 8px 0;
            color: #fff;
            background: linear-gradient(180deg, rgba(25, 22, 19, .55) 0%, rgba(25, 22, 19, 0) 100%);
            transition: background .35s ease, box-shadow .35s ease, padding .35s ease;
        }

        .site-header.scrolled {
            background: rgba(25, 22, 19, .94);
            box-shadow: 0 14px 40px rgba(0, 0, 0, .22);
            padding: 6px 0;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .nav-shell {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            min-height: 62px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: inherit;
            min-width: 0;
        }

        .brand-logo .icon-circle {
            width: 38px;
            height: 38px;
            flex: 0 0 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-coral), var(--color-amber));
            color: #fff;
            font-size: 15px;
            box-shadow: 0 0 0 4px rgba(255, 90, 95, .16);
        }

        .brand-logo .brand-name-text {
            font-weight: 800;
            font-size: 19px;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .nav-primary {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .nav-primary a {
            color: rgba(255, 255, 255, .78);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 13px;
            border-radius: 999px;
            transition: all .2s ease;
            line-height: 1.2;
        }

        .nav-primary a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .1);
        }

        .nav-primary a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(255, 90, 95, .8), rgba(255, 154, 61, .8));
        }

        .mobile-menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, .24);
            border-radius: 14px;
            font-size: 19px;
            color: #fff;
            background: rgba(255, 255, 255, .08);
            transition: all .2s ease;
        }

        .mobile-menu-btn:focus-visible {
            outline: 2px solid #fff;
        }

        .mobile-drawer {
            display: none;
            padding-bottom: 18px;
        }

        .mobile-drawer.open {
            display: block;
            animation: drawerDrop .25s ease;
        }

        @keyframes drawerDrop {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-nav-card {
            background: var(--color-deep-2);
            border-radius: 20px;
            padding: 10px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mob-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 14px;
            border-radius: 14px;
            color: rgba(255, 255, 255, .88);
            font-weight: 600;
            font-size: 15px;
            transition: all .2s ease;
        }

        .mob-link:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }

        .mob-link.active {
            background: linear-gradient(135deg, rgba(255, 90, 95, .78), rgba(255, 154, 61, .78));
            color: #fff;
        }

        .nav-cta-desktop {
            height: 42px;
        }

        /* category hero */
        .cat-hero {
            position: relative;
            background-color: var(--color-deep);
            background-image: linear-gradient(100deg, rgba(25, 22, 19, .92) 0%, rgba(42, 37, 31, .72) 58%, rgba(255, 90, 95, .2) 130%), url("/assets/images/backpic/back-1.png");
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 180px 0 88px;
            overflow: hidden;
        }

        .cat-hero:after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, var(--color-deep));
            pointer-events: none;
        }

        .hero-top-badge {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            padding: 7px 14px 7px 8px;
            border: 1px solid rgba(255, 255, 255, .16);
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            font-size: 13px;
            color: rgba(255, 255, 255, .92);
            margin-bottom: 22px;
        }

        .hero-top-badge .badge-core {
            background: linear-gradient(135deg, #FF5A5F, #FF9A3D);
            padding: 3px 10px;
            border-radius: 999px;
            font-weight: 700;
        }

        .cat-hero h1 {
            font-size: clamp(34px, 5vw, 56px);
            line-height: 1.24;
            margin: 0 0 20px;
            max-width: 900px;
            letter-spacing: .01em;
            font-weight: 900;
        }

        .cat-hero .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .84);
            max-width: 780px;
            margin: 0 0 34px;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .hero-note {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 14px;
            margin-top: 26px;
            font-size: 13px;
            color: rgba(255, 255, 255, .64);
            align-items: center;
        }

        .hero-note span i {
            color: var(--color-amber);
            margin-right: 4px;
        }

        /* guide section */
        .guide-section {
            padding: 88px 0 76px;
            background: var(--color-bg);
        }

        .guide-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.4fr) minmax(280px, .8fr);
            gap: 40px;
            align-items: start;
        }

        .flow-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 26px;
            position: relative;
            border: 1px solid rgba(0, 0, 0, .02);
        }

        .flow-title-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 26px;
        }

        .flow-title-wrap .number-ghost {
            font-size: 44px;
            font-weight: 900;
            color: rgba(255, 90, 95, .13);
            line-height: 1;
            transform: translateY(-4px);
        }

        .panel-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-ink);
            border-left: 4px solid var(--color-coral);
            padding-left: 14px;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .step-list {
            list-style: none;
            margin: 18px 0 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .step-list li {
            padding: 18px 18px 18px 66px;
            border: 1px solid #F0E9E2;
            border-radius: var(--radius-md);
            background: #FFFDFB;
            position: relative;
            transition: all .22s ease;
        }

        .step-list li:hover {
            border-color: #E6D6CA;
            box-shadow: 0 10px 24px rgba(255, 140, 90, .1);
            transform: translateY(-2px);
        }

        .step-num {
            position: absolute;
            left: 18px;
            top: 18px;
            width: 36px;
            height: 36px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #FF5A5F, #FF9A3D);
            color: #fff;
            font-weight: 800;
            font-size: 16px;
            box-shadow: 0 6px 14px rgba(255, 115, 79, .28);
        }

        .step-list h3 {
            margin: 0 0 6px;
            font-size: 16px;
            font-weight: 700;
        }

        .step-list p {
            margin: 0;
            font-size: 14.5px;
            color: #6F655E;
            line-height: 1.8;
        }

        .guide-aside {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .check-card {
            background: var(--color-deep);
            border-radius: 24px;
            color: #fff;
            padding: 26px;
            position: relative;
            overflow: hidden;
        }

        .check-card:before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, #FF5A5F, #FF9A3D);
            border-radius: 999px;
        }

        .check-card h3 {
            font-size: 18px;
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .check-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .check-card li {
            position: relative;
            padding: 0 0 0 26px;
            margin-bottom: 14px;
            font-size: 14.5px;
            color: rgba(255, 255, 255, .82);
            line-height: 1.7;
        }

        .check-card li:last-child {
            margin-bottom: 0;
        }

        .check-card li:before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--color-amber);
            font-size: 13px;
        }

        .label-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 22px;
        }

        .label-card .label-icon {
            width: 42px;
            height: 42px;
            border-radius: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 167, 154, .12);
            color: var(--color-teal);
            font-size: 18px;
            margin-bottom: 14px;
        }

        .label-card h4 {
            margin: 0 0 6px;
            font-size: 15px;
            font-weight: 700;
        }

        .label-card p {
            margin: 0;
            font-size: 14px;
            color: var(--color-muted);
        }

        /* categories / feature visuals */
        .feature-panel {
            background: #fff;
            padding: 90px 0;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 28px;
            margin-top: 36px;
        }

        .feature-card {
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--color-border);
            background: #fff;
            display: flex;
            flex-direction: column;
            transition: all .25s ease;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 38px rgba(25, 22, 19, .1);
            border-color: #F0C8B5;
        }

        .feature-media {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .feature-media .feature-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(25, 22, 19, .72);
            border: 1px solid rgba(255, 255, 255, .22);
            color: #fff;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .feature-body {
            padding: 22px 22px 24px;
        }

        .feature-body h3 {
            margin: 0 0 8px;
            font-size: 21px;
            font-weight: 800;
        }

        .feature-body p {
            margin: 0;
            color: #6F655E;
            font-size: 14.5px;
            line-height: 1.85;
        }

        .feature-body .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            color: transparent;
            font-size: 14px;
            font-weight: 700;
            background: linear-gradient(90deg, #D84445, #EE7A2E);
            -webkit-background-clip: text;
            background-clip: text;
        }

        .feature-card:hover .feature-link i {
            transform: translateX(3px);
        }

        .feature-link i {
            transition: transform .2s ease;
        }

        /* dark note */
        .dark-note {
            position: relative;
            background-color: var(--color-deep);
            background-image: linear-gradient(180deg, rgba(25, 22, 19, .92), rgba(25, 22, 19, .9)), url("/assets/images/backpic/back-2.png");
            background-size: cover;
            color: #fff;
            overflow: hidden;
            padding: 78px 0;
        }

        .dark-note-inner {
            display: grid;
            grid-template-columns: minmax(0, 1.2fr) minmax(280px, .7fr);
            gap: 32px;
            align-items: center;
        }

        .dark-note h2 {
            font-size: clamp(24px, 3vw, 32px);
            line-height: 1.35;
            margin: 0 0 14px;
            font-weight: 800;
        }

        .dark-note p {
            margin: 0;
            color: rgba(255, 255, 255, .76);
            font-size: 16px;
            max-width: 680px;
            line-height: 1.9;
        }

        .status-stack {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 22px;
            border-radius: 22px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
        }

        .status-stack .status-chip {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .9);
            font-size: 15px;
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            padding: 10px 16px;
        }

        .status-chip i.fa-check {
            color: var(--color-teal);
        }

        .status-chip i.fa-pen {
            color: var(--color-amber);
        }

        /* faq */
        .faq-section {
            background: var(--color-bg);
            padding: 88px 0 80px;
        }

        .faq-list {
            margin-top: 34px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 18px;
            overflow: hidden;
            transition: box-shadow .2s ease, border-color .2s ease;
            padding: 0;
        }

        .faq-item.active {
            box-shadow: var(--shadow-card);
            border-left: 3px solid transparent;
            border-image: linear-gradient(180deg, #FF5A5F, #FF9A3D) 1;
        }

        .faq-q {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            text-align: left;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.5;
        }

        .faq-q .faq-icon {
            flex: 0 0 30px;
            width: 30px;
            height: 30px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #F7F1EC;
            color: #B2694A;
            transition: all .2s ease;
        }

        .faq-item.active .faq-q .faq-icon {
            background: linear-gradient(135deg, #FF5A5F, #FF9A3D);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-a {
            display: none;
            padding: 0 20px 20px;
            color: #6F655E;
            font-size: 15px;
            line-height: 1.9;
        }

        .faq-item.active .faq-a {
            display: block;
        }

        .faq-section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* related links */
        .related-links {
            padding: 58px 0;
            border-top: 1px solid #F0E5DC;
            background: #fff;
        }

        .related-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 18px;
        }

        .related-tags a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 16px;
            border-radius: 999px;
            background: #F7F3EF;
            color: #4C443E;
            border: 1px solid #EDE3DC;
            font-size: 14px;
            font-weight: 600;
            transition: all .2s ease;
        }

        .related-tags a:hover {
            background: linear-gradient(135deg, rgba(255, 90, 95, .1), rgba(255, 154, 61, .1));
            border-color: rgba(255, 137, 54, .4);
            color: #D84445;
            transform: translateY(-1px);
        }

        /* cta */
        .cta-deep-block {
            padding: 78px 0;
            background: var(--color-deep);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-deep-card {
            width: 100%;
            border-radius: 28px;
            background-image: linear-gradient(120deg, rgba(255, 90, 95, .98), rgba(255, 154, 61, .96)), url("/assets/images/backpic/back-3.webp");
            background-blend-mode: overlay;
            background-size: cover;
            background-position: center;
            padding: 52px;
            position: relative;
            overflow: hidden;
        }

        .cta-title {
            font-size: clamp(24px, 3vw, 36px);
            line-height: 1.35;
            margin: 0 0 14px;
            font-weight: 900;
            color: #fff;
        }

        .cta-desc {
            color: rgba(255, 255, 255, .92);
            max-width: 690px;
            line-height: 1.9;
            font-size: 16px;
            margin: 0 0 26px;
        }

        /* footer */
        .site-footer {
            background: #141110;
            color: rgba(255, 255, 255, .72);
            font-size: 14.5px;
        }

        .site-footer .brand-logo {
            color: #fff;
        }

        .footer-con {
            padding-top: 56px;
            padding-bottom: 30px;
        }

        .footer-top-grid {
            display: grid;
            grid-template-columns: 1.4fr .8fr .9fr 1fr;
            gap: 42px;
            margin-bottom: 38px;
        }

        .footer-logo p {
            max-width: 300px;
            margin: 16px 0 0;
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
            font-size: 13.5px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-list a,
        .footer-list li {
            color: rgba(255, 255, 255, .68);
            font-size: 14px;
            line-height: 1.6;
            transition: color .2s ease;
        }

        .footer-list a:hover {
            color: #fff;
        }

        .footer-seo-words {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 18px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 22px;
            align-items: center;
            color: rgba(255, 255, 255, .48);
        }

        .footer-seo-words span {
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            color: rgba(255, 255, 255, .44);
            font-size: 13px;
        }

        @media (max-width: 1024px) {
            .nav-primary {
                display: none;
            }
            .mobile-menu-btn {
                display: inline-flex;
            }
            .nav-cta-desktop {
                display: none;
            }
            .footer-top-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .dark-note-inner {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 56px 0;
            }
            .guide-section,
            .feature-panel,
            .faq-section {
                padding-top: 54px;
                padding-bottom: 54px;
            }
            .cat-hero {
                padding: 130px 0 64px;
            }
            .cat-hero h1 {
                font-size: 30px;
            }
            .cat-hero .hero-desc {
                font-size: 15.5px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .flow-card {
                padding: 18px;
            }
            .step-list li {
                padding: 16px 16px 16px 60px;
            }
            .cta-deep-card {
                padding: 32px 24px;
            }
            .footer-top-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-name-text {
                font-size: 16px;
            }
            .brand-logo .icon-circle {
                width: 34px;
                height: 34px;
                flex-basis: 34px;
            }
            .section-title-xl {
                font-size: 1.45rem;
            }
            .hero-cta-row .btn-brand,
            .hero-cta-row .btn-outline {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --ink: #191613;
            --ink2: #2A251F;
            --bg: #FAF8F6;
            --card: #FFFFFF;
            --text: #2A2520;
            --subtext: #8B8078;
            --border: #ECE4DD;
            --brand-from: #FF5A5F;
            --brand-to: #FF9A3D;
            --mint: #00A79A;
            --r-lg: 26px;
            --r-md: 18px;
            --r-sm: 14px;
            --shadow: 0 2px 8px rgba(0, 0, 0, .04), 0 12px 32px rgba(0, 0, 0, .06);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container-site {
            width: min(1200px, calc(100% - 40px));
            margin-inline: auto;
            position: relative;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 18px 0;
            transition: background .3s ease, padding .3s ease, box-shadow .3s ease;
            background: linear-gradient(180deg, rgba(25, 22, 19, .72) 0%, rgba(25, 22, 19, 0) 100%);
        }
        .site-header.scrolled {
            padding: 10px 0;
            background: rgba(25, 22, 19, .94);
            box-shadow: 0 8px 30px rgba(0, 0, 0, .14);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .nav-shell {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            min-height: 50px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 17px;
        }
        .brand-logo .icon-circle {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand-from), var(--brand-to));
            color: #fff;
            font-size: 15px;
            box-shadow: 0 0 0 2px rgba(255, 255, 255, .12), 0 8px 20px rgba(255, 90, 95, .28);
            flex-shrink: 0;
        }
        .brand-name-text {
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .nav-primary {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }
        .nav-primary a {
            color: rgba(255, 255, 255, .84);
            padding: 10px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            transition: color .2s, background .2s;
        }
        .nav-primary a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .1);
        }
        .nav-primary a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--brand-from), var(--brand-to));
            box-shadow: 0 8px 22px rgba(255, 90, 95, .28);
        }
        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 10px 24px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--brand-from), var(--brand-to));
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border: none;
            transition: filter .2s, transform .15s, box-shadow .2s;
            box-shadow: 0 10px 24px rgba(255, 90, 95, .25);
        }
        .btn-brand:hover {
            transform: translateY(-2px);
            filter: brightness(1.04);
            box-shadow: 0 14px 28px rgba(255, 90, 95, .35);
        }
        .btn-brand:active {
            transform: scale(.97);
            filter: brightness(.97);
        }
        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, .12);
            color: #fff;
            font-size: 18px;
            border: 1px solid rgba(255, 255, 255, .2);
        }
        .mobile-drawer {
            display: none;
            margin-top: 8px;
            background: transparent;
        }
        .mobile-nav-card {
            background: rgba(25, 22, 19, .96);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 20px;
            padding: 10px;
            display: flex;
            flex-direction: column;
            gap: 2px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, .42);
        }
        .mob-link {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .86);
            font-size: 15px;
            padding: 12px 14px;
            border-radius: 12px;
            transition: background .2s;
        }
        .mob-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .mob-link.active {
            color: #fff;
            background: linear-gradient(135deg, var(--brand-from), var(--brand-to));
        }

        /* Hero */
        .cat2-hero {
            position: relative;
            background: linear-gradient(180deg, rgba(25, 22, 19, .66), rgba(25, 22, 19, .78)), url('/assets/images/backpic/back-2.png') center / cover no-repeat var(--ink);
            color: rgba(255, 255, 255, .92);
            padding: 188px 0 86px;
            overflow: hidden;
        }
        .cat2-hero::after {
            content: "";
            position: absolute;
            inset: auto -10% -40% -10%;
            height: 240px;
            background: radial-gradient(ellipse at center, rgba(255, 154, 61, .24), transparent 68%);
            pointer-events: none;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 22px;
            flex-wrap: wrap;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .72);
            transition: color .2s;
        }
        .hero-breadcrumb a:hover {
            color: #fff;
        }
        .cat2-hero-grid {
            display: grid;
            grid-template-columns: 1.08fr .92fr;
            gap: 44px;
            align-items: center;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, .22);
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .82);
        }
        .hero-eyebrow i {
            color: #ffb84d;
        }
        .cat2-hero h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            line-height: 1.12;
            font-weight: 900;
            color: #fff;
            margin: 18px 0 16px;
            letter-spacing: .01em;
        }
        .hero-lead {
            max-width: 620px;
            color: rgba(255, 255, 255, .78);
            font-size: 16px;
            line-height: 1.78;
            margin-bottom: 26px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 46px;
            padding: 10px 24px;
            border-radius: 999px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .42);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: background .2s, border .2s, transform .2s;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .reward-dash {
            background: rgba(255, 255, 255, .95);
            border-radius: 26px;
            padding: 26px;
            color: var(--text);
            box-shadow: 0 24px 60px rgba(0, 0, 0, .22);
            position: relative;
            border-top: 4px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 20px;
            border-image: linear-gradient(90deg, var(--brand-from), var(--brand-to)) 1;
        }
        .dash-head {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            font-weight: 800;
            padding-bottom: 14px;
            border-bottom: 1px dashed #ddd3cc;
        }
        .dash-head .status-chip {
            color: var(--mint);
            background: rgba(0, 167, 154, .1);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            margin-left: auto;
        }
        .dash-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .dash-item {
            background: #FBF8F5;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 16px 14px 13px;
            text-align: center;
        }
        .dash-item strong {
            font-size: 28px;
            font-weight: 900;
            color: var(--ink);
            display: block;
            font-family: inherit;
            letter-spacing: -.02em;
            line-height: 1.1;
        }
        .dash-item span {
            font-size: 13px;
            color: var(--subtext);
        }
        .dash-progress {
            display: flex;
            flex-direction: column;
            gap: 8px;
            background: #F4EFEA;
            border-radius: 16px;
            padding: 16px;
        }
        .progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
        }
        .progress-label b {
            color: #c94d2b;
        }
        .progress {
            background: #E9E0DA;
            height: 8px;
            border-radius: 999px;
            overflow: hidden;
        }
        .progress span {
            display: block;
            height: 100%;
            background: linear-gradient(90deg, var(--brand-from), var(--brand-to));
            border-radius: 999px;
        }
        .dash-tip {
            display: flex;
            gap: 8px;
            font-size: 13px;
            color: var(--subtext);
            background: #fff8ef;
            border: 1px solid #f6e0c8;
            padding: 12px 14px;
            border-radius: 14px;
            line-height: 1.55;
        }

        /* Section Common */
        .section-pad {
            padding: 70px 0;
        }
        .section-head {
            max-width: 700px;
            margin-bottom: 36px;
        }
        .sec-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 700;
            color: #b35a2e;
            background: #fff1e7;
            border: 1px solid #f8d9c2;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: clamp(1.4rem, 2.6vw, 2rem);
            font-weight: 900;
            color: var(--ink);
            line-height: 1.28;
        }
        .section-head p {
            margin-top: 10px;
            color: var(--subtext);
            font-size: 15px;
            line-height: 1.75;
        }

        /* Benefit cards */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .benefit-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 24px 20px;
            position: relative;
            transition: transform .28s, box-shadow .28s;
            overflow: hidden;
        }
        .benefit-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--brand-from), var(--brand-to));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s;
        }
        .benefit-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .benefit-card:hover::after {
            transform: scaleX(1);
        }
        .benefit-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(255, 90, 95, .18), rgba(255, 154, 61, .18));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            color: #d84f3b;
            margin-bottom: 18px;
        }
        .benefit-card h3 {
            font-size: 17px;
            color: var(--ink);
            font-weight: 800;
            margin-bottom: 8px;
        }
        .benefit-card p {
            font-size: 14px;
            color: var(--subtext);
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .benefit-tag {
            display: inline-block;
            background: #FAF6F2;
            border: 1px solid var(--border);
            font-size: 12px;
            color: #6f5c50;
            border-radius: 999px;
            padding: 5px 12px;
        }

        /* Task progress list */
        .task-section {
            background: linear-gradient(155deg, #F0E9E2, #FAF8F6);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .task-wrap {
            border-radius: 24px;
            background: #fff;
            box-shadow: var(--shadow);
            padding: 26px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .task-list-row {
            display: grid;
            grid-template-columns: auto minmax(0, 1fr) 180px auto;
            gap: 20px;
            align-items: center;
            padding: 20px;
            background: #FCFAF8;
            border: 1px solid #EFE7E1;
            border-radius: 18px;
            transition: transform .25s, box-shadow .25s;
        }
        .task-list-row:nth-child(even) {
            margin-left: clamp(0px, 4vw, 48px);
            background: #fff;
        }
        .task-list-row:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .task-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: #fff;
            background: linear-gradient(135deg, var(--mint), #38cbb6);
            flex-shrink: 0;
        }
        .task-title {
            font-weight: 800;
            font-size: 16px;
            color: var(--ink);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .task-desc {
            color: var(--subtext);
            font-size: 14px;
            margin-top: 4px;
        }
        .task-progress-col {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .task-no {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--subtext);
        }
        .task-progress {
            background: #EAE1DA;
            height: 8px;
            border-radius: 999px;
            overflow: hidden;
        }
        .task-progress span {
            display: block;
            height: 100%;
            background: linear-gradient(90deg, var(--brand-from), var(--brand-to));
            border-radius: 999px;
        }
        .task-value {
            text-align: right;
            font-weight: 800;
            color: var(--ink);
            font-size: 14px;
            background: #FFF1E7;
            border: 1px solid #F6D8BF;
            border-radius: 999px;
            padding: 10px 16px;
            white-space: nowrap;
        }
        .task-note {
            margin-top: 18px;
            background: #F2EFEB;
            color: var(--subtext);
            font-size: 14px;
            line-height: 1.7;
            border-radius: 16px;
            padding: 16px 18px;
            border: 1px dashed #d9d0c9;
        }
        .task-note i {
            color: var(--brand-to);
            margin-right: 7px;
        }

        /* Flow step */
        .flow-section {
            background: #fff;
        }
        .flow-grid {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 40px;
            align-items: center;
        }
        .flow-visual {
            position: relative;
            background: #F5F0EB;
            border-radius: 24px;
            padding: 10px;
            border: 1px solid var(--border);
        }
        .flow-img {
            border-radius: 16px;
            overflow: hidden;
            width: 100%;
            object-fit: cover;
            height: auto;
        }
        .flow-float {
            position: relative;
            width: 86%;
            margin: -42px auto 0;
            background: var(--ink);
            border-radius: 16px;
            padding: 16px 18px 14px;
            color: #fff;
            box-shadow: 0 14px 36px rgba(0, 0, 0, .24);
        }
        .flow-float b {
            display: block;
            font-size: 17px;
            color: #fff;
        }
        .flow-float span {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-top: 2px;
        }
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .step-item {
            display: flex;
            gap: 16px;
        }
        .step-no {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--brand-from), var(--brand-to));
            color: #fff;
            font-size: 17px;
            font-weight: 900;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 8px 18px rgba(255, 90, 95, .24);
        }
        .step-content {
            flex: 1;
        }
        .step-content h3 {
            font-size: 16px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 3px;
        }
        .step-content p {
            font-size: 14px;
            color: var(--subtext);
            line-height: 1.6;
        }

        /* Rules */
        .rules-area {
            background: var(--ink);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .rules-area::before {
            content: "";
            position: absolute;
            right: -120px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 154, 61, .28), transparent 70%);
        }
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
            margin-top: 26px;
            position: relative;
        }
        .rule-card {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 18px;
            padding: 22px;
            display: flex;
            gap: 14px;
            backdrop-filter: blur(8px);
            transition: background .25s;
        }
        .rule-card:hover {
            background: rgba(255, 255, 255, .09);
        }
        .rule-card i {
            color: var(--mint);
            font-size: 19px;
            padding-top: 3px;
        }
        .rule-card b {
            display: block;
            color: #fff;
            font-size: 15px;
            margin-bottom: 4px;
        }
        .rule-card p {
            font-size: 13px;
            line-height: 1.65;
            color: rgba(255, 255, 255, .7);
        }

        /* FAQ */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 18px;
            background: #fff;
            overflow: hidden;
        }
        .faq-summary {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--ink);
            transition: background .2s;
            list-style: none;
        }
        .faq-summary::-webkit-details-marker {
            display: none;
        }
        .faq-item[open] {
            box-shadow: var(--shadow);
        }
        .faq-item[open] .faq-summary {
            background: #FCFAF8;
        }
        .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 9px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #FFF1E7;
            color: #d3522e;
            flex-shrink: 0;
            transition: background .2s, color .2s;
        }
        .faq-item[open] .faq-icon {
            background: linear-gradient(135deg, var(--brand-from), var(--brand-to));
            color: #fff;
        }
        .faq-arrow {
            margin-left: auto;
            color: var(--subtext);
            transition: transform .3s;
        }
        .faq-item[open] .faq-arrow {
            transform: rotate(180deg);
            color: var(--text);
        }
        .faq-answer {
            padding: 0 22px 18px 68px;
            font-size: 14px;
            line-height: 1.75;
            color: #5e514a;
        }

        /* CTA */
        .cta-band {
            background: linear-gradient(120deg, rgba(25, 22, 19, .92), rgba(42, 37, 31, .88)), url('/assets/images/backpic/back-3.webp') center / cover no-repeat var(--ink);
            padding: 66px 0;
            color: #fff;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 26px;
            flex-wrap: wrap;
        }
        .cta-inner h2 {
            font-size: clamp(1.4rem, 3vw, 2rem);
            letter-spacing: .01em;
            margin-bottom: 9px;
            color: #fff;
        }
        .cta-inner p {
            max-width: 620px;
            color: rgba(255, 255, 255, .72);
            font-size: 15px;
        }

        /* Footer */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, .72);
            padding-top: 56px;
            padding-bottom: 28px;
            border-top: 4px solid transparent;
            border-image: linear-gradient(90deg, var(--brand-from), var(--brand-to)) 1;
        }
        .footer-top-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 34px;
        }
        .footer-logo p {
            font-size: 13px;
            line-height: 1.8;
            margin-top: 16px;
            color: rgba(255, 255, 255, .58);
            max-width: 340px;
        }
        .footer-title {
            font-size: 15px;
            color: #fff;
            font-weight: 800;
            margin-bottom: 15px;
        }
        .footer-list {
            display: flex;
            flex-direction: column;
            gap: 9px;
            list-style: none;
        }
        .footer-list a {
            color: rgba(255, 255, 255, .64);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-list a:hover {
            color: #fff;
        }
        .footer-seo-words {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 34px 0 18px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-seo-words span {
            background: rgba(255, 255, 255, .06);
            color: rgba(255, 255, 255, .6);
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .08);
            font-size: 12px;
            padding: 5px 13px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 22px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-primary {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .site-header .nav-cta-desktop {
                display: none;
            }
            .mobile-drawer.open {
                display: block;
            }
            .cat2-hero-grid {
                grid-template-columns: 1fr;
            }
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .footer-top-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .cat2-hero {
                padding-top: 160px;
            }
            .section-pad {
                padding: 48px 0;
            }
            .flow-grid,
            .task-list-row {
                grid-template-columns: 1fr;
            }
            .task-list-row:nth-child(even) {
                margin-left: 0;
            }
            .task-list-row {
                gap: 12px;
                padding: 16px;
            }
            .task-value {
                text-align: left;
                justify-self: start;
            }
            .faq-answer {
                padding-left: 18px;
                padding-top: 2px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-top-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .container-site {
                width: min(100% - 24px, 1200px);
            }
            .brand-name-text {
                font-size: 15px;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .dash-grid {
                grid-template-columns: 1fr 1fr;
            }
            .dash-item:last-child {
                grid-column: 1/-1;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .rule-card {
                flex-direction: column;
                gap: 10px;
            }
        }
        @media (min-width: 1025px) {
            .mobile-drawer {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root{
      --dark:#191613;
      --dark-2:#2A251F;
      --brand-1:#FF5A5F;
      --brand-2:#FF9A3D;
      --brand-grad:linear-gradient(135deg,#FF5A5F 0%,#FF9A3D 100%);
      --bg-soft:#FAF8F6;
      --card-bg:#FFFFFF;
      --text-main:#2A2520;
      --text-body:#3F372F;
      --text-muted:#8B8078;
      --line:#ECE4DD;
      --teal:#00A79A;
      --radius-lg:28px;
      --radius-md:18px;
      --radius-sm:14px;
      --shadow-card:0 2px 8px rgba(0,0,0,.04), 0 12px 32px rgba(0,0,0,.06);
      --container-width:1200px;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text-main);
      background:var(--bg-soft);
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font-family:inherit;cursor:pointer;border:none;background:none}
    ul,ol{list-style:none}
    [id]{scroll-margin-top:110px}

    .container-site{
      width:100%;
      max-width:var(--container-width);
      margin-left:auto;
      margin-right:auto;
      padding-left:24px;
      padding-right:24px;
    }

    /* ===== Header Shared ===== */
    .site-header{
      position:fixed;
      top:0;left:0;right:0;
      z-index:1000;
      padding-top:8px;
      background:linear-gradient(to bottom,rgba(12,9,8,.58),transparent);
      transition:all .35s ease;
    }
    .site-header .container-site{
      transition:background .35s ease,box-shadow .35s ease,border-radius .35s ease,padding .35s ease;
      border-radius:0;
      padding-top:10px;
      padding-bottom:10px;
    }
    .site-header.scrolled{
      background:transparent;
      padding-top:0;
    }
    .site-header.scrolled .container-site{
      background:rgba(25,22,19,.96);
      backdrop-filter:blur(14px);
      -webkit-backdrop-filter:blur(14px);
      border-radius:18px;
      box-shadow:0 10px 28px rgba(0,0,0,.22);
      margin-top:8px;
      padding-top:8px;
      padding-bottom:8px;
    }
    .nav-shell{display:flex;align-items:center;justify-content:space-between;gap:10px}

    .brand-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
    .icon-circle{
      display:inline-flex;align-items:center;justify-content:center;
      width:38px;height:38px;border-radius:50%;
      background:var(--brand-grad);color:#fff;
      font-size:15px;
      box-shadow:0 0 0 5px rgba(255,90,95,.14);
    }
    .brand-name-text{
      color:#fff;
      font-weight:800;
      font-size:1.18rem;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    .nav-primary{display:flex;align-items:center;gap:2px}
    .nav-primary a{
      color:rgba(255,255,255,.88);
      font-weight:600;
      font-size:.9rem;
      padding:8px 16px;
      border-radius:999px;
      transition:all .25s ease;
      white-space:nowrap;
    }
    .nav-primary a:hover{
      color:#fff;
      background:rgba(255,255,255,.14);
    }
    .nav-primary a.active{
      color:#fff;
      background:var(--brand-grad);
      box-shadow:0 6px 16px rgba(255,90,95,.3);
    }

    .btn-brand{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      min-height:44px;
      padding:0 24px;
      border-radius:999px;
      background:var(--brand-grad);
      color:#fff;
      font-weight:700;
      font-size:.92rem;
      box-shadow:0 6px 20px rgba(255,90,95,.35);
      transition:all .3s ease;
      white-space:nowrap;
    }
    .btn-brand:hover{
      transform:translateY(-2px);
      box-shadow:0 10px 26px rgba(255,90,95,.4);
    }
    .btn-brand:active{
      transform:scale(.97);
    }
    .btn-brand.light{
      background:#fff;
      color:#2A2520;
      box-shadow:0 8px 20px rgba(0,0,0,.12);
    }

    .mobile-menu-btn{
      display:none;
      width:42px;height:42px;
      border-radius:50%;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.2);
      color:#fff;
      font-size:17px;
      align-items:center;
      justify-content:center;
    }
    .mobile-drawer{display:none}
    .mobile-nav-card{
      background:#1F1B17;
      border:1px solid rgba(255,255,255,.08);
      border-radius:20px;
      padding:10px;
      display:flex;
      flex-direction:column;
      gap:2px;
    }
    .mob-link{
      display:flex;
      align-items:center;
      gap:12px;
      color:rgba(255,255,255,.9);
      font-weight:600;
      padding:12px 14px;
      border-radius:13px;
      transition:background .2s;
    }
    .mob-link:hover{background:rgba(255,255,255,.06)}
    .mob-link.active{background:var(--brand-grad);color:#fff}

    @media (max-width: 880px){
      .nav-primary{display:none}
      .mobile-menu-btn{display:flex}
      .mobile-drawer.open{
        display:block;
        margin-top:12px;
      }
      .mobile-drawer.open .mobile-nav-card{
        animation:drawerIn .25s ease;
      }
    }
    @keyframes drawerIn{
      from{opacity:0;transform:translateY(-6px)}
      to{opacity:1;transform:translateY(0)}
    }
    @media (max-width: 520px){
      .brand-name-text{font-size:1rem}
      .icon-circle{width:32px;height:32px;font-size:13px}
      .site-header .container-site{padding-left:14px;padding-right:14px}
      .btn-brand{padding:0 16px;font-size:.84rem;min-height:40px}
    }

    /* ===== Page Hero ===== */
    .page-hero{
      position:relative;
      color:#fff;
      text-align:center;
      background:
        radial-gradient(circle at 70% 10%, rgba(255,122,70,.25), transparent 42%),
        linear-gradient(180deg, rgba(25,22,19,.28) 0%, rgba(25,22,19,.92) 100%),
        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      padding:190px 24px 90px;
    }
    .hero-ear{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-size:.82rem;
      font-weight:700;
      letter-spacing:1px;
      color:rgba(255,255,255,.9);
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.16);
      border-radius:999px;
      padding:7px 16px;
      backdrop-filter:blur(8px);
    }
    .page-hero h1{
      font-size:clamp(2rem,5vw,3.2rem);
      font-weight:900;
      line-height:1.25;
      letter-spacing:4px;
      margin-top:20px;
    }
    .hero-sub{
      max-width:720px;
      margin:18px auto 0;
      color:rgba(255,255,255,.82);
      font-size:1rem;
      line-height:1.8;
    }
    .hero-tags{
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }
    .hero-tags span{
      background:rgba(0,167,154,.2);
      color:rgba(255,255,255,.92);
      border:1px solid rgba(0,167,154,.4);
      font-size:.8rem;
      font-weight:600;
      padding:5px 15px;
      border-radius:999px;
    }

    /* ===== Docs Layout ===== */
    .page-docs{
      background:var(--bg-soft);
      padding:64px 0 80px;
    }
    .page-body-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 280px;
      gap:48px;
      align-items:start;
    }
    .guide-main{min-width:0}

    /* ===== Cards Common ===== */
    .guide-card{
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-card);
      border-radius:var(--radius-lg);
      padding:32px 36px;
      transition:transform .35s ease,box-shadow .35s ease;
    }
    .guide-card + .guide-card{margin-top:22px}
    .guide-card:hover{
      transform:translateY(-3px);
      box-shadow:0 4px 14px rgba(0,0,0,.05),0 18px 40px rgba(0,0,0,.08);
    }

    .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:.78rem;
      font-weight:800;
      letter-spacing:.6px;
      color:#FF5A5F;
      text-transform:uppercase;
      background:linear-gradient(135deg,rgba(255,90,95,.12),rgba(255,154,61,.12));
      border-radius:999px;
      padding:5px 13px;
    }
    .guide-card h2{
      font-size:clamp(1.25rem,2.4vw,1.75rem);
      font-weight:800;
      line-height:1.35;
      margin-top:16px;
      color:var(--text-main);
    }
    .guide-card > p{
      color:var(--text-body);
      margin-top:14px;
      font-size:.96rem;
    }
    .guide-card h3{
      font-size:1.02rem;
      font-weight:800;
      color:var(--text-main);
      line-height:1.4;
    }

    .soft-callout{
      margin-top:24px;
      display:flex;
      gap:12px;
      align-items:flex-start;
      background:#FBF7F2;
      border-left:3px solid var(--brand-1);
      border-radius:14px;
      padding:14px 18px;
      color:var(--text-body);
      font-size:.9rem;
    }
    .soft-callout i{color:#FF5A5F;margin-top:3px}

    /* Entry info */
    .entry-info{
      margin-top:24px;
      display:grid;
      grid-template-columns:minmax(0,1fr) 240px;
      gap:24px;
      align-items:center;
    }
    .entry-copy-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--text-body);
      font-size:.92rem;
      margin-top:10px;
    }
    .entry-copy-list li i{color:var(--teal);margin-top:5px}
    .entry-pic{
      border-radius:18px;
      width:100%;
      height:170px;
      object-fit:cover;
      box-shadow:0 8px 24px rgba(0,0,0,.08);
    }

    @media (max-width: 720px){
      .entry-info{grid-template-columns:1fr}
      .entry-pic{height:180px}
    }

    /* Steps */
    .steps-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}
    .step-item{
      display:flex;
      gap:14px;
      align-items:flex-start;
      background:var(--bg-soft);
      border:1px solid var(--line);
      border-radius:18px;
      padding:16px 18px;
      transition:all .3s ease;
    }
    .step-item:hover{
      background:#fff;
      border-color:rgba(255,90,95,.32);
      transform:translateX(4px);
      box-shadow:var(--shadow-card);
    }
    .step-num{
      flex:none;
      width:34px;height:34px;
      border-radius:50%;
      background:var(--brand-grad);
      color:#fff;
      font-weight:800;
      font-size:15px;
      display:flex;
      align-items:center;
      justify-content:center;
      box-shadow:0 5px 12px rgba(255,90,95,.3);
    }
    .step-item h3{margin-bottom:4px}
    .step-item p{color:var(--text-muted);font-size:.9rem;line-height:1.65}

    /* Type cards */
    .type-grid{
      margin-top:24px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .type-card{
      position:relative;
      overflow:hidden;
      background:var(--bg-soft);
      border:1px solid var(--line);
      border-radius:20px;
      padding:24px 20px;
      transition:all .35s ease;
    }
    .type-card::before{
      content:"";
      position:absolute;
      top:0;left:24px;right:24px;
      height:3px;
      background:var(--brand-grad);
      opacity:0;
      transition:opacity .3s;
    }
    .type-card:hover{
      transform:translateY(-6px);
      box-shadow:var(--shadow-card);
      background:#fff;
    }
    .type-card:hover::before{opacity:1}
    .type-icon{
      display:flex;align-items:center;justify-content:center;
      width:46px;height:46px;
      border-radius:50%;
      background:#fff;
      color:#FF5A5F;
      font-size:19px;
      box-shadow:0 6px 14px rgba(0,0,0,.06);
    }
    .type-card h3{margin-top:16px;font-size:1rem}
    .type-card p{color:var(--text-muted);font-size:.88rem;margin-top:8px;line-height:1.7}

    .note-line{
      margin-top:20px;
      display:flex;
      align-items:center;
      gap:8px;
      background:rgba(0,167,154,.08);
      border:1px solid rgba(0,167,154,.22);
      color:#0C7F74;
      font-size:.86rem;
      border-radius:14px;
      padding:11px 16px;
    }
    @media (max-width: 800px){
      .type-grid{grid-template-columns:1fr}
    }

    /* Data rules */
    .data-card-list{
      margin-top:24px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .data-card{
      position:relative;
      overflow:hidden;
      background:linear-gradient(145deg,#1A1612 0%,#2C2620 100%);
      border-radius:20px;
      padding:26px 22px 22px;
      color:#fff;
      box-shadow:0 14px 30px rgba(25,22,19,.18);
      min-height:180px;
    }
    .data-card::after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:16px;
      height:4px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
    }
    .data-card::before{
      content:"";
      position:absolute;
      left:18px;bottom:16px;
      height:4px;
      width:45%;
      border-radius:999px;
      background:var(--brand-grad);
    }
    .data-card:nth-child(2)::before{width:72%}
    .data-card:nth-child(3)::before{width:30%}
    .data-icon{
      width:40px;height:40px;
      border-radius:14px;
      background:rgba(255,255,255,.1);
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:17px;
      color:#fff;
    }
    .data-num{
      font-size:1.85rem;
      font-weight:900;
      line-height:1.2;
      letter-spacing:.5px;
      margin-top:18px;
    }
    .data-label{color:rgba(255,255,255,.75);font-size:.8rem;font-weight:700;margin-top:6px}
    .data-desc{color:rgba(255,255,255,.58);font-size:.82rem;line-height:1.65;margin-top:8px}
    @media (max-width: 900px){
      .data-card-list{grid-template-columns:1fr}
    }

    /* FAQ */
    .faq-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}
    .faq-item{
      background:var(--bg-soft);
      border:1px solid var(--line);
      border-radius:18px;
      padding:0;
      overflow:hidden;
      transition:all .3s ease;
    }
    .faq-item:hover{
      background:#fff;
      border-color:rgba(255,90,95,.22);
    }
    .faq-item summary{
      cursor:pointer;
      display:flex;
      align-items:center;
      gap:12px;
      padding:17px 20px;
      font-weight:800;
      font-size:.96rem;
      color:var(--text-main);
      list-style:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary .faq-mark{
      flex:none;
      display:flex;
      align-items:center;
      justify-content:center;
      width:30px;height:30px;
      border-radius:50%;
      background:linear-gradient(135deg,rgba(255,90,95,.15),rgba(255,154,61,.15));
      color:#FF5A5F;
      font-size:13px;
    }
    .faq-item summary .fa-chevron-down{
      margin-left:auto;
      color:var(--text-muted);
      transition:transform .3s ease;
    }
    .faq-item[open] summary .fa-chevron-down{transform:rotate(180deg)}
    .faq-item[open] summary{border-bottom:1px solid var(--line)}
    .faq-body{padding:15px 20px 18px 62px;color:var(--text-body);font-size:.92rem;line-height:1.75}
    @media (max-width: 520px){
      .faq-body{padding:14px 18px 18px}
    }

    /* TOC */
    .guide-toc{
      position:sticky;
      top:120px;
      align-self:start;
    }
    .toc-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow-card);
      padding:24px 18px;
    }
    .toc-title{
      display:flex;
      align-items:center;
      gap:9px;
      font-weight:800;
      font-size:1.02rem;
      color:var(--text-main);
      padding-bottom:14px;
      border-bottom:1px solid var(--line);
    }
    .toc-title i{color:#FF5A5F;font-size:14px}
    .toc-links{padding-top:10px;display:flex;flex-direction:column;gap:4px}
    .toc-link{
      display:flex;
      align-items:center;
      gap:9px;
      font-size:.87rem;
      font-weight:700;
      color:var(--text-muted);
      border-radius:12px;
      padding:9px 12px;
      transition:all .25s;
    }
    .toc-link:hover{
      background:var(--bg-soft);
      color:var(--text-main);
    }
    .toc-link.active{
      background:linear-gradient(135deg,rgba(255,90,95,.12),rgba(255,154,61,.12));
      color:#FF5A5F;
    }

    @media (max-width: 1040px){
      .page-body-grid{
        grid-template-columns:1fr;
        gap:20px;
      }
      .guide-toc{
        position:relative;
        top:auto;
        order:-1;
      }
      .toc-links{
        flex-direction:row;
        flex-wrap:wrap;
        gap:6px;
      }
      .toc-link{
        padding:6px 12px;
        border:1px solid var(--line);
        border-radius:999px;
      }
    }

    /* Related */
    .related-links{
      background:#fff;
      border-top:1px solid var(--line);
      padding:58px 0;
    }
    .related-panel{text-align:center}
    .related-label{
      display:inline-block;
      font-size:.78rem;
      font-weight:800;
      letter-spacing:1px;
      color:#FF5A5F;
      padding:4px 14px;
      border-radius:999px;
      background:rgba(255,90,95,.08);
    }
    .related-panel h2{
      font-size:clamp(1.4rem,3vw,2rem);
      font-weight:900;
      margin-top:14px;
      color:var(--text-main);
    }
    .related-chips{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:12px;
      margin-top:28px;
    }
    .chip-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 19px;
      background:var(--bg-soft);
      border:1px solid var(--line);
      color:var(--text-body);
      border-radius:999px;
      font-weight:600;
      font-size:.88rem;
      transition:all .3s ease;
    }
    .chip-link:hover{
      border-color:rgba(255,90,95,.4);
      color:#FF5A5F;
      transform:translateY(-2px);
      box-shadow:0 6px 14px rgba(255,90,95,.14);
    }

    /* CTA */
    .cta-area{
      background:var(--dark);
      padding:70px 0;
      position:relative;
      overflow:hidden;
    }
    .cta-area::before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(ellipse at 80% 50%,rgba(255,60,70,.16),transparent 60%);
      pointer-events:none;
    }
    .cta-card{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
      background:
        linear-gradient(140deg,rgba(255,255,255,.04),transparent 35%),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.1);
      color:#fff;
      padding:46px 50px;
      border-radius:30px;
      overflow:hidden;
    }
    .cta-card h2{
      font-size:clamp(1.35rem,2.6vw,1.9rem);
      font-weight:900;
      line-height:1.4;
    }
    .cta-card p{
      max-width:560px;
      margin-top:10px;
      color:rgba(255,255,255,.72);
      font-size:.98rem;
    }
    .cta-action{flex:none}
    @media (max-width: 800px){
      .cta-card{flex-direction:column;align-items:flex-start;padding:34px 24px}
      .cta-action .btn-brand{width:100%}
    }

    /* ===== Footer Shared ===== */
    .site-footer{
      background:#16120F;
      color:rgba(255,255,255,.78);
      padding-top:64px;
    }
    .footer-top-grid{
      display:grid;
      grid-template-columns:1.7fr 1fr 1fr 1fr;
      gap:36px;
      padding-bottom:40px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .footer-logo p{
      margin-top:16px;
      color:rgba(255,255,255,.58);
      font-size:.88rem;
      line-height:1.8;
      max-width:280px;
    }
    .footer-title{
      color:#fff;
      font-weight:800;
      font-size:.92rem;
      margin-bottom:14px;
    }
    .footer-list{display:flex;flex-direction:column;gap:9px}
    .footer-list a{
      color:rgba(255,255,255,.62);
      font-size:.85rem;
      transition:color .25s;
    }
    .footer-list a:hover{color:#fff}
    .footer-list li:not(a),.footer-list li{
      color:rgba(255,255,255,.52);
      font-size:.84rem;
    }
    .footer-seo-words{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px 18px;
      padding:26px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .footer-seo-words span{
      color:rgba(255,255,255,.42);
      font-size:.78rem;
      letter-spacing:.5px;
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:24px 0;
      color:rgba(255,255,255,.48);
      font-size:.78rem;
      flex-wrap:wrap;
    }
    @media (max-width: 920px){
      .footer-top-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 580px){
      .footer-top-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;text-align:center}
    }

    /* Misc utility resets */
    .flex-reset{display:flex;align-items:center;gap:10px}