/* roulang page: index */
:root {
  --primary: #0E4F4A;
  --primary-dark: #12332F;
  --primary-deep: #0A2B28;
  --primary-soft: #E7F1ED;
  --accent: #E77F24;
  --accent-dark: #C56510;
  --text-main: #24312E;
  --text-secondary: #4A5568;
  --text-muted: #8A94A6;
  --border: #E6EBE7;
  --bg-body: #F8F9F7;
  --bg-deep: #12332F;
  --white: #FFFFFF;
  --radius-lg: 14px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 8px 24px rgba(14, 61, 53, 0.08);
  --shadow-lift: 0 14px 32px rgba(10, 43, 40, 0.12);
  --container-w: 1120px;
  --space-section: 96px;
  --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--primary); text-decoration: none; transition: color .2s, border-color .2s, background .2s; }
a:hover { color: var(--accent-dark); }
button, input, select, textarea { font-family: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { line-height: 1.3; margin: 0 0 .5em; font-weight: 700; }
.grid-container { max-width: var(--container-w); padding-left: 20px; padding-right: 20px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border: 1.5px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn:focus-visible, .accordion-title:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.btn-outline { background: rgba(255,255,255,.92); border-color: rgba(14,79,74,.5); color: var(--primary); }
.btn-outline:hover { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.btn-light-outline { background: transparent; border-color: rgba(255,255,255,.8); color: #fff; }
.btn-light-outline:hover { background: rgba(255,255,255,.12); color: #fff; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--accent);
  margin-bottom: 10px;
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--accent); display: inline-block; }
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--primary);
  color: #fff;
  padding: 8px 14px;
  z-index: 999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* top sale */
.top-sale {
  background: var(--bg-deep);
  color: #fff;
  font-size: 13px;
  min-height: 36px;
  display: flex;
  align-items: center;
}
.top-sale .sale-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  text-align: center;
}
.top-sale a {
  color: #F7C888;
  white-space: nowrap;
  font-weight: 600;
}
.top-sale a:hover { color: #fff; }
@media screen and (max-width: 640px) {
  .top-sale { font-size: 12px; min-height: 32px; }
  .top-sale .sale-wrap span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .top-sale .sale-wrap a { flex-shrink: 0; }
}

/* site header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(18,51,47,.04);
}
.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  line-height: 1;
  padding: 8px 7px 6px 7px;
  border-radius: 12px 4px 12px 4px;
  letter-spacing: -1px;
}
.brand-text { font-weight: 800; color: var(--primary); font-size: 20px; }
.brand-text small { display: block; font-size: 10px; font-weight: 500; color: var(--text-muted); letter-spacing: .14em; line-height: 1; margin-top: 2px; }
.main-nav > ul { display: flex; gap: 6px; align-items: center; }
.main-nav > ul > li > a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
}
.main-nav > ul > li > a:hover { color: var(--primary); background: var(--primary-soft); }
.main-nav > ul > li > a.active { color: var(--primary); background: var(--primary-soft); font-weight: 700; }
.header-right { display: flex; align-items: center; gap: 10px; }
.header-search { position: relative; }
.header-search input {
  width: 200px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #F2F5F3;
  padding: 0 34px 0 16px;
  font-size: 13px;
  color: var(--text-main);
  transition: border-color .2s, background .2s, box-shadow .2s, width .2s;
}
.header-search input:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(14,79,74,.12); width: 240px; }
.header-search svg { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; stroke: var(--text-muted); pointer-events: none; }
.header-search .btn { margin-left: 10px; }
.header-cta { padding: 10px 20px; font-size: 14px; }
@media screen and (min-width: 1025px) {
  .hide-for-desktop { display: none !important; }
}
@media screen and (max-width: 1024px) {
  .site-header .main-nav-desktop, .header-search { display: none; }
}
.hamburger {
  border: none;
  background: var(--primary-soft);
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--primary);
}
.hamburger:hover { background: var(--primary); color: #fff; }

/* mobile drawer */
.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(10,43,40,.44);
  z-index: 190;
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s, visibility .22s;
}
.drawer-mask.show { opacity: 1; visibility: visible; }
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 210;
  width: 300px;
  max-width: 86vw;
  background: #fff;
  box-shadow: -8px 0 28px rgba(10,43,40,.16);
  padding: 20px;
  transform: translateX(105%);
  transition: transform .25s ease;
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.drawer-nav li { border-bottom: 1px solid var(--border); }
.drawer-nav a { display: block; padding: 13px 2px; color: var(--text-main); font-weight: 600; }
.drawer-nav a.active { color: var(--primary); }
.drawer-close {
  border: none;
  background: #F0F3F1;
  width: 34px; height: 34px;
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
}
.drawer-cta { margin-top: 24px; display: grid; gap: 10px; }
.drawer-note { font-size: 12px; color: var(--text-muted); margin-top: 14px; text-align: center; }

/* hero */
.hero-section {
  background:
    linear-gradient(105deg, rgba(248,249,247,.98) 0%, rgba(248,249,247,.93) 32%, rgba(248,249,247,.72) 62%, rgba(18,51,47,.08) 100%),
    url('/assets/images/backpic/back-1.jpg') center right / cover no-repeat #E9F0EB;
  padding: 72px 0 54px;
  border-bottom: 1px solid var(--border);
}
.hero-inner { display: flex; align-items: center; gap: 36px; }
.hero-copy { flex: 1.4; padding-right: 10px; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(14,79,74,.1);
  color: var(--primary);
  border: 1px solid rgba(14,79,74,.15);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  margin-bottom: 20px;
}
.hero-kicker .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero-copy h1 { font-size: 44px; font-weight: 800; color: var(--primary-dark); letter-spacing: -.01em; margin-bottom: 18px; }
.hero-copy h1 em { font-style: normal; color: var(--accent-dark); }
.hero-lead { font-size: 16px; color: var(--text-secondary); max-width: 600px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 8px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-secondary);
  box-shadow: 0 1px 4px rgba(14,61,53,.04);
}
.hero-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-top: 20px; }
.hero-note { flex-basis: 100%; font-size: 12px; color: var(--text-muted); margin-top: 10px; }
.hero-aside { flex: 1; max-width: 400px; }
.access-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.access-card-top { background: var(--primary-dark); color: #fff; padding: 18px 20px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.access-card-top span { font-size: 14px; font-weight: 600; }
.access-card-top b { font-size: 28px; color: #F4C88B; }
.access-card-body { padding: 20px; }
.access-list li { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
.access-list li::before { content: "✓"; color: var(--primary); font-weight: 800; flex-shrink: 0; }
.quota-box { margin-top: 18px; }
.quota-track { background: #EDF1EE; height: 8px; border-radius: 999px; overflow: hidden; margin-bottom: 6px; }
.quota-fill { display: block; height: 100%; width: 72%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 999px; }
.quota-text { font-size: 12px; color: var(--text-muted); }
@media screen and (max-width: 1024px) {
  .hero-section { padding: 44px 0; }
  .hero-inner { display: block; }
  .hero-copy h1 { font-size: 36px; }
  .hero-aside { max-width: 100%; margin-top: 36px; }
}
@media screen and (max-width: 640px) {
  .hero-section { padding: 32px 0 42px; }
  .hero-copy h1 { font-size: 30px; }
  .hero-lead { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .access-card-top b { font-size: 24px; }
}

/* stat strip */
.stat-strip { background: #fff; border-bottom: 1px solid var(--border); }
.stat-strip .grid-x { padding: 34px 0; }
.stat-cell { text-align: center; padding: 6px 12px; border-right: 1px solid var(--border); }
.stat-cell:last-child { border-right: none; }
.stat-label { display: block; font-size: 14px; color: var(--text-secondary); margin-top: 6px; }
.stat-num { font-size: 40px; line-height: 1.1; font-weight: 800; color: var(--primary); display: inline-flex; align-items: baseline; gap: 2px; }
.stat-num small { font-size: 18px; font-weight: 700; color: var(--accent); }
@media screen and (max-width: 640px) {
  .stat-strip .grid-x { padding: 20px 0 26px; row-gap: 18px; }
  .stat-cell:nth-child(2) { border-right: none; }
  .stat-cell:nth-child(-n+2) { border-bottom: 1px solid var(--border); padding-bottom: 16px; }
  .stat-num { font-size: 32px; }
}

/* section base */
.section-block { padding: var(--space-section) 0; }
.section-block.soft-bg { background: var(--bg-body); }
.section-block.white-bg { background: #fff; }
.section-head { margin-bottom: 40px; }
.section-head.center { text-align: center; }
.section-head h2 { font-size: 32px; color: var(--primary-dark); }
.section-head p { color: var(--text-secondary); max-width: 660px; font-size: 16px; margin-top: 8px; }
.section-head.center p { margin-right: auto; margin-left: auto; }
.space-lg { padding-top: 0; }
@media screen and (max-width: 1024px) {
  :root { --space-section: 64px; }
  .section-head h2 { font-size: 28px; }
}
@media screen and (max-width: 640px) {
  :root { --space-section: 50px; }
  .section-head h2 { font-size: 24px; }
}

/* why lines */
.why-strip { background: #fff; border-bottom: 1px solid var(--border); padding: 20px 0; }
.why-row {
  border-bottom: 1px solid var(--border);
  padding: 26px 0;
  display: grid;
  grid-template-columns: 80px 1fr 2fr;
  gap: 22px;
  align-items: start;
}
.why-row:last-child { border-bottom: 0; }
.why-num { width: 56px; height: 56px; border-radius: 18px 6px 18px 6px; background: var(--primary-soft); color: var(--primary); font-size: 22px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.why-title { font-size: 20px; font-weight: 700; color: var(--primary-dark); padding-top: 4px; }
.why-desc { font-size: 15px; color: var(--text-secondary); padding-top: 2px; align-self: center; }
@media screen and (max-width: 640px) {
  .why-row { grid-template-columns: 1fr; gap: 10px; }
  .why-num { width: 44px; height: 44px; font-size: 18px; }
  .why-title { font-size: 18px; }
}

/* library matrix */
.matrix-section { background: var(--bg-body); }
.feature-panel {
  background: var(--primary-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.feature-media { min-height: 260px; }
.feature-media img, .feature-media .img-cover { width: 100%; height: 100%; object-fit: cover; }
.feature-content { padding: 34px; display: flex; flex-direction: column; justify-content: center; }
.feature-content .tag-light {
  display: inline-flex;
  width: fit-content;
  background: rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  margin-bottom: 14px;
}
.feature-content h3 { font-size: 24px; color: #fff; }
.feature-content p { color: #DFEAE6; margin-top: 10px; }
.feature-content .btn { margin-top: 20px; width: fit-content; }
.matrix-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.matrix-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.matrix-card .card-media { background: #EDF1EE; }
.matrix-card .img-cover { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.matrix-card-body { padding: 20px 22px; }
.matrix-card-body h3 { font-size: 18px; }
.matrix-card-body p { font-size: 14px; color: var(--text-secondary); margin-bottom: 0; }
.mini-strip-row { margin-top: 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.mini-strip {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 72px;
  transition: background .2s, border-color .2s, transform .2s;
}
.mini-strip:hover { background: var(--primary-soft); border-color: var(--primary); transform: translateY(-2px); }
.mini-strip .mini-icon { width: 34px; height: 34px; border-radius: 10px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.mini-strip strong { font-size: 15px; color: var(--text-main); display: block; line-height: 1.4; }
.mini-strip small { color: var(--text-muted); font-size: 12px; }
@media screen and (max-width: 1024px) {
  .feature-panel { grid-template-columns: 1fr; }
  .feature-media { min-height: 200px; }
}
@media screen and (max-width: 640px) {
  .feature-panel { display: block; }
  .feature-content { padding: 22px; }
  .feature-content h3 { font-size: 20px; }
  .mini-strip-row { grid-template-columns: 1fr 1fr; }
  .matrix-section .grid-x .cell.large-6 { margin-bottom: 16px; }
}

/* contrast */
.contrast-section { background: #fff; padding: var(--space-section) 0; }
.contrast-wrap { display: flex; align-items: center; }
.contrast-col {
  padding: 30px;
  border-radius: var(--radius-lg);
  font-size: 15px;
}
.contrast-col .col-title { font-weight: 800; font-size: 19px; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.contrast-old { background: #F3F4F2; border: 1px solid var(--border); color: var(--text-secondary); }
.contrast-new { background: var(--primary-soft); border: 1px solid rgba(14,79,74,.2); box-shadow: var(--shadow); color: var(--primary-dark); }
.col-title-old::before { content: "✕"; color: #98A2AC; font-weight: 700; }
.col-title-new::before { content: "✓"; color: #fff; background: var(--primary); width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; }
.seq-list li { position: relative; padding-left: 42px; margin-bottom: 15px; line-height: 1.6; }
.seq-list li:last-child { margin-bottom: 0; }
.seq-list li::before { content: counter(step); counter-increment: step; position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 50%; background: #fff; color: var(--primary); font-weight: 800; font-size: 12px; display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 7px rgba(14,61,53,.08); }
.contrast-old .seq-list { counter-reset: step; }
.contrast-new .seq-list { counter-reset: step; }
.contrast-old .seq-list li::before { color: #A9B1BA; background: #fff; }
.contrast-new .seq-list li::before { background: var(--primary); color: #fff; }
.vs-middle { text-align: center; }
.vs-badge { display: inline-flex; align-items: center; justify-content: center; width: 58px; height: 58px; background: var(--accent); color: #fff; font-weight: 800; font-size: 18px; border-radius: 50%; box-shadow: 0 0 0 8px #fff, 0 0 0 9px rgba(231,127,36,.18), 0 8px 20px rgba(18,51,47,.13); }
@media screen and (max-width: 900px) {
  .contrast-wrap { flex-direction: column; gap: 26px; align-items: stretch; }
  .vs-middle { transform: scale(.85); margin: -10px 0; }
}
@media screen and (max-width: 640px) {
  .contrast-wrap { flex-direction: column; }
  .contrast-col { padding: 22px; }
}

/* steps */
.steps-section { background: var(--bg-body); }
.steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: st; }
.step-card { background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 28px; position: relative; }
.step-card i { font-style: normal; display: block; color: var(--accent); font-size: 14px; font-weight: 700; position: relative; }
.step-card i::after { content: ""; display: block; width: 42px; height: 2px; background: var(--primary); margin-top: 12px; }
.step-card h3 { font-size: 19px; color: var(--primary-dark); margin: 16px 0 8px; }
.step-card p { font-size: 14px; color: var(--text-secondary); }
.step-arrow { position: absolute; right: -20px; top: 50%; transform: translateY(-50%); color: var(--accent); font-size: 22px; z-index: 2; }
.step-card:last-child .step-arrow { display: none; }
@media screen and (max-width: 900px) {
  .steps-row { grid-template-columns: 1fr; gap: 14px; }
  .step-arrow { display: none; }
}

/* voices */
.voice-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  height: calc(100% - 20px);
  margin-bottom: 20px;
  transition: box-shadow .2s, transform .2s;
}
.voice-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.voice-card .quote { font-size: 15px; color: var(--text-main); line-height: 1.8; font-style: normal; }
.voice-card .person { display: flex; gap: 12px; align-items: center; margin-top: 18px; }
.voice-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.person-name { font-size: 15px; font-weight: 700; color: var(--primary-dark); line-height: 1.3; }
.person-role { font-size: 12px; color: var(--text-muted); }

/* news */
.news-section { background: var(--primary-dark); color: #ECF2EF; padding: var(--space-section) 0; }
.news-section .section-head h2 { color: #fff; }
.news-section .section-head p { color: #C4D4CE; }
.news-list .news-line {
  border-bottom: 1px solid rgba(255,255,255,.14);
  padding: 0;
}
.news-line a { display: flex; justify-content: space-between; gap: 24px; padding: 19px 2px; color: #E6EDE8; text-decoration: none; }
.news-line a:hover { color: #F3BD7E; }
.news-line .news-meta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; font-size: 13px; color: #A5C0B7; }
.news-line .news-title { font-weight: 600; }
.news-tag { background: rgba(255,255,255,.13); border-radius: 999px; font-size: 12px; padding: 3px 11px; color: #fff; }
.news-recommend { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius-lg); padding: 24px; }
.news-recommend h3 { font-size: 22px; color: #fff; }
.news-recommend ul li { margin-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.1); }
.news-recommend ul li:last-child { border-bottom: 0; }
.news-recommend ul a { display: block; color: #D5E3DD; padding: 10px 0; font-weight: 500; }
.news-recommend ul a:hover { color: #F3BD7E; }
.news-recommend .btn { margin-top: 10px; }
@media screen and (max-width: 640px) {
  .news-line a { flex-direction: column; gap: 4px; }
}

/* FAQ */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.accordion {
  border-top: 1px solid var(--border);
  background: transparent;
}
.accordion-item { border-bottom: 1px solid var(--border); position: relative; }
.accordion-title {
  display: block;
  color: var(--text-main);
  font-weight: 600;
  font-size: 17px;
  padding: 24px 46px 24px 0;
  background: transparent;
}
.accordion-title:hover { color: var(--primary); background: none; }
.accordion-title::before, .accordion-title::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 13px;
  height: 2px;
  background: var(--primary);
  transition: transform .2s;
}
.accordion-title::after { transform: rotate(90deg); }
.accordion-item.is-active > .accordion-title { color: var(--primary); }
.accordion-item.is-active > .accordion-title::after { transform: rotate(0deg); }
.accordion-content { padding: 0 36px 0 0; background: transparent; color: var(--text-secondary); font-size: 15px; line-height: 1.75; }
.accordion-content .content { padding-bottom: 22px; }
@media screen and (max-width: 640px) {
  .accordion-title { font-size: 15px; padding-right: 34px; }
  .accordion-title::before, .accordion-title::after { right: 4px; }
}

/* apply form */
.apply-section { background: var(--primary-soft); }
.apply-wrap { background: none; align-items: stretch; }
.apply-copy { padding-right: 24px; }
.apply-copy h2 { color: var(--primary-dark); font-size: 32px; }
.apply-copy p { color: var(--text-secondary); }
.apply-list li { margin-bottom: 20px; }
.apply-list svg { color: var(--primary); margin-right: 6px; vertical-align: -2px; }
.apply-list strong { display: inline-block; font-size: 15px; }
.apply-list span { display: block; font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--accent);
  box-shadow: var(--shadow);
  padding: 28px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text-main); }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  height: 44px;
  border: 1px solid #D6DDD9;
  border-radius: var(--radius);
  padding: 0 14px;
  font-size: 14px;
  background: #FBFCFB;
  transition: border-color .2s, box-shadow .2s;
  color: var(--text-main);
  margin-bottom: 0;
}
.form-field textarea { height: auto; min-height: 90px; padding-top: 10px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(14,79,74,.1);
}
.form-tip { grid-column: 1 / -1; font-size: 12px; color: var(--text-muted); margin-top: -4px; }
.form-card .btn { width: 100%; margin-top: 6px; }
.apply-result { display: none; background: #EAF4EF; color: var(--primary); font-size: 14px; padding: 12px 16px; border-radius: var(--radius); margin-top: 12px; border: 1px solid rgba(14,79,74,.18); }
.apply-result.show { display: block; }
.privacy-line { font-size: 12px; color: #A3AAA5; text-align: center; margin-top: 10px; margin-bottom: 0; }
@media screen and (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .apply-copy { padding-right: 0; }
  .apply-copy h2 { font-size: 26px; }
  .form-card { padding: 22px 18px; }
}

/* footer cta */
.footer-cta {
  background: var(--bg-deep);
  color: #fff;
  padding: 64px 0;
  text-align: center;
}
.footer-cta h2 { color: #fff; font-size: 30px; max-width: 750px; margin: 0 auto 12px; }
.footer-cta p { color: #C4D3CE; max-width: 620px; margin: 0 auto 24px; }
.footer-cta .btn { min-width: 200px; }
@media screen and (max-width: 640px) {
  .footer-cta h2 { font-size: 23px; }
  .footer-cta .btn { min-width: 0; width: 100%; }
}

/* footer */
.site-footer { background: #0A2B28; color: #B8CBC5; font-size: 14px; }
.site-footer a { color: #CADBD5; }
.site-footer a:hover { color: #F3BD7E; }
.footer-main { padding: 44px 0 24px; }
.footer-brand p { font-size: 13px; margin-top: 14px; line-height: 1.8; max-width: 320px; }
.footer-list h4 { color: #fff; font-size: 15px; letter-spacing: .03em; margin-bottom: 14px; }
.footer-list li { margin-bottom: 9px; }
.footer-list li a { font-size: 14px; border-bottom: 1px solid transparent; }
.footer-list li a:hover { border-bottom-color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 18px 0;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-interact { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.footer-interact span { color: #A9C2B9; }
.footer-social { display: flex; gap: 8px; }
.footer-social a { background: rgba(255,255,255,.08); width: 32px; height: 32px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: #fff; }
.footer-social a:hover { background: var(--accent); color: #fff; }
@media screen and (max-width: 640px) {
  .footer-main .grid-x { row-gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-interact { justify-content: center; }
}

/* mobile float */
.mobile-float {
  display: none;
  position: fixed;
  background: rgba(255,255,255,.98);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 180;
  border-top: 1px solid var(--border);
  padding: 8px 14px;
  gap: 8px;
  align-items: center;
  box-shadow: 0 -4px 18px rgba(18,51,47,.08);
}
.mobile-float a { justify-content: center; flex: 1; padding: 11px 14px; font-size: 13px; font-weight: 600; text-align: center; }
.mobile-float .btn-primary { background: var(--primary); color: #fff; border: none; }
.mobile-float .btn-accent { background: var(--accent); color: #fff; border: none; }
@media screen and (max-width: 640px) {
  body.home-index { padding-bottom: 62px; }
  .mobile-float { display: flex; }
}

/* roulang page: category1 */
:root {
    --primary: #0E4F4A;
    --primary-dark: #12332F;
    --primary-deep: #0A2B28;
    --primary-soft: #E7F1ED;
    --accent: #E77F24;
    --accent-dark: #C56510;
    --text-main: #24312E;
    --text-secondary: #4A5568;
    --text-muted: #8A94A6;
    --border: #E6EBE7;
    --bg-body: #F8F9F7;
    --bg-deep: #12332F;
    --white: #FFFFFF;
    --radius-lg: 16px;
    --radius: 8px;
    --shadow: 0 8px 24px rgba(14, 61, 53, 0.08);
    --shadow-lift: 0 14px 32px rgba(10, 43, 40, 0.12);
    --container-w: 1120px;
    --space-section: 96px;
    --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-stack);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-main);
    background: var(--bg-body);
    -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s, border-color .2s, background .2s, box-shadow .2s; }
a:hover { color: var(--accent-dark); }
button, input, select, textarea { font-family: inherit; }
ul { margin: 0; padding: 0; list-style: none; }

.grid-container {
    max-width: var(--container-w);
    padding-left: 20px;
    padding-right: 20px;
}

.section {
    padding: var(--space-section) 0;
}
.section--tight { padding: 56px 0; }
.section--bg-soft { background: var(--primary-soft); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    border: 1.5px solid transparent;
    cursor: pointer;
    text-align: center;
    transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.btn-outline { background: rgba(255,255,255,.92); border-color: rgba(14,79,74,.5); color: var(--primary); }
.btn-outline:hover { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.btn-light-outline { background: transparent; border-color: rgba(255,255,255,.85); color: #fff; }
.btn-light-outline:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-large { padding: 14px 32px; font-size: 16px; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--accent);
    margin-bottom: 12px;
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--accent); display: inline-block; }

.section-title {
    font-size: 30px;
    line-height: 1.3;
    font-weight: 800;
    color: var(--primary-deep);
    margin: 0 0 12px;
}
.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 640px;
}

/* top sale */
.top-sale {
    background: var(--bg-deep);
    color: rgba(255,255,255,.92);
    font-size: 13px;
    min-height: 36px;
    display: flex;
    align-items: center;
    letter-spacing: .01em;
}
.top-sale .grid-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.sale-arrow { color: #F7C888; margin-left: 5px; }
.top-sale a {
    color: #F7C888;
    white-space: nowrap;
    font-weight: 600;
}
.top-sale a:hover { color: #fff; }
.top-sale .sale-tip {
    color: #F3BD7E;
    font-weight: 700;
    flex-shrink: 0;
}
.sale-wrap { flex: 1; text-align: center; }

/* site header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 120;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(18,51,47,.05);
}
.site-header .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-mark {
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    line-height: 1;
    padding: 8px 7px 6px 7px;
    border-radius: 12px 4px 12px 4px;
    letter-spacing: -1px;
}
.brand-text { font-weight: 800; color: var(--primary); font-size: 20px; }
.brand-text small {
    display: block;
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: .14em;
    line-height: 1;
    margin-top: 3px;
}

.main-nav > ul { display: flex; gap: 6px; align-items: center; }
.main-nav > ul > li > a {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--text-main);
    font-size: 15px;
    font-weight: 500;
}
.main-nav > ul > li > a:hover { color: var(--primary); background: var(--primary-soft); }
.main-nav > ul > li > a.active { color: var(--primary); background: var(--primary-soft); font-weight: 700; }

.header-right { display: flex; align-items: center; gap: 10px; }
.header-search { position: relative; display: none; }
.header-search input {
    width: 200px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #F2F5F3;
    padding: 0 34px 0 16px;
    font-size: 13px;
    color: var(--text-main);
    transition: border-color .2s, background .2s, box-shadow .2s, width .2s;
}
.header-search input:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(14,79,74,.14);
    width: 240px;
}
.header-search svg {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    stroke: var(--text-muted);
    pointer-events: none;
}
.header-cta { padding: 9px 20px; font-size: 14px; }

.hamburger {
    border: none;
    background: var(--primary-soft);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--primary);
}
.hamburger:hover { background: var(--primary); color: #fff; }

/* desktop */
@media screen and (min-width: 1025px) {
    .site-header .main-nav-desktop,
    .site-header .header-search { display: block; }
    .hamburger { display: none; }
}

/* drawer */
.drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(10,43,40,.46);
    z-index: 190;
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s, visibility .22s;
}
.drawer-mask.show { opacity: 1; visibility: visible; }
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 210;
    width: 300px;
    max-width: 86vw;
    background: #fff;
    box-shadow: -8px 0 28px rgba(10,43,40,.18);
    padding: 20px;
    transform: translateX(105%);
    transition: transform .26s ease;
    overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.drawer-close {
    border: none;
    background: var(--primary-soft);
    color: var(--primary);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}
.drawer-nav li { border-bottom: 1px solid var(--border); }
.drawer-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 4px;
    font-weight: 600;
    color: var(--text-main);
}
.drawer-nav a.active { color: var(--primary); }
.drawer-nav a:hover { color: var(--accent-dark); }
.drawer-cta { border-bottom: none !important; padding-top: 16px; }
.drawer-cta .btn { width: 100%; }

/* breadcrumb */
.crumbs-bar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    font-size: 13px;
    color: var(--text-muted);
}
.crumbs-bar a { color: var(--text-muted); }
.crumbs-bar a:hover { color: var(--primary); }
.crumb-sep { margin: 0 8px; color: #C9D2CD; }
.crumbs-bar .crumb-current { color: var(--primary); font-weight: 600; }

/* cat-hero */
.cat-hero {
    position: relative;
    padding: 76px 0 70px;
    background:
        linear-gradient(90deg, rgba(248,249,247,.98) 30%, rgba(248,249,247,.86) 58%, rgba(248,249,247,.42) 100%),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
    border-bottom: 1px solid var(--border);
}
.cat-hero .breadcrumb-line { font-size: 13px; color: var(--text-muted); margin-bottom: 26px; }
.cat-hero .breadcrumb-line a { color: var(--text-muted); }
.cat-hero .breadcrumb-line a:hover { color: var(--primary); }
.hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--accent-dark);
    background: rgba(231,127,36,.1);
    border: 1px solid rgba(231,127,36,.24);
    border-radius: 999px;
    padding: 5px 14px;
    margin-bottom: 20px;
}
.category-h1 {
    font-size: clamp(32px, 4.6vw, 48px);
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--primary-deep);
    font-weight: 800;
    max-width: 760px;
    margin: 0 0 20px;
}
.category-h1 .brand-hl { color: var(--primary); }
.cat-hero-text { font-size: 16px; color: var(--text-secondary); max-width: 640px; margin: 0; }
.hero-data-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.data-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}
.data-chip strong { color: var(--accent-dark); font-weight: 800; }

/* toolbar */
.toolbar-wrap {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    margin: 32px 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
}
.listing-count { font-size: 14px; color: var(--text-muted); }
.listing-count strong { color: var(--primary); font-weight: 800; }
.listing-tabs { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sort-chip {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border);
    background: #F2F5F3;
    color: var(--text-secondary);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
}
.sort-chip:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
.sort-chip.is-active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* video cards */
.video-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: box-shadow .28s, transform .28s;
}
.video-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); }
.video-card-media {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--primary-deep);
    overflow: hidden;
}
.video-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-card-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,43,40,0) 50%, rgba(10,43,40,.16) 100%);
    pointer-events: none;
}
.duration-badge {
    position: absolute;
    right: 12px;
    bottom: 10px;
    background: rgba(10,28,26,.78);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    border-radius: 7px;
    padding: 2px 8px;
    letter-spacing: .02em;
    backdrop-filter: blur(4px);
    z-index: 2;
}
.play-circle {
    position: absolute;
    left: 16px;
    bottom: 12px;
    z-index: 2;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(231,127,36,.95);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,.35);
    box-shadow: 0 4px 14px rgba(10,43,40,.2);
}
.play-circle::before {
    content: "";
    width: 0;
    height: 0;
    border-left: 14px solid #fff;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    margin-left: 3px;
}
.video-card-body { padding: 20px 20px 18px; display: flex; flex-direction: column; flex: 1; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.tag {
    display: inline-flex;
    font-size: 11px;
    font-weight: 700;
    border-radius: 6px;
    background: var(--primary-soft);
    color: var(--primary);
    padding: 3px 9px;
    line-height: 1.4;
}
.tag.tag-accent { background: rgba(231,127,36,.13); color: var(--accent-dark); }
.video-card h3 {
    font-size: 18px;
    line-height: 1.5;
    color: var(--primary-deep);
    font-weight: 800;
    margin: 0 0 8px;
}
.video-card-body p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 16px;
    flex: 1;
}
.card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px dashed var(--border);
    padding-top: 13px;
    margin-bottom: 12px;
}
.card-meta span { display: inline-flex; align-items: center; gap: 5px; }
.card-meta .meta-dot { width: 3px; height: 3px; border-radius: 50%; background: #C6D0CB; display: inline-block; }
.watch-link {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.watch-link::after { content: "→"; transition: transform .2s; }
.watch-link:hover::after { transform: translateX(4px); }
.watch-link:hover { color: var(--accent); }

/* pagination */
.pagination-wrap { display: flex; justify-content: center; padding-top: 16px; }
.page-nav {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    padding: 6px;
    border-radius: 999px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 10px rgba(14,61,53,.04);
}
.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    transition: all .2s;
}
.page-link:hover, .page-link.is-current { background: var(--primary); color: #fff; }

/* related strip */
.section-title-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}
.section-title-row .section-title { margin-bottom: 0; }
.section-link {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.related-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.related-mini {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow .25s, transform .25s;
}
.related-mini:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.related-media {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--primary-soft);
}
.related-media img { width: 100%; height: 100%; object-fit: cover; }
.mini-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    border-radius: 6px;
    padding: 3px 8px;
}
.related-mini-body { padding: 14px 15px 16px; }
.related-mini-body h4 { font-size: 15px; line-height: 1.45; color: var(--primary-deep); font-weight: 800; margin: 0 0 6px; }
.related-mini-body p { font-size: 13px; color: var(--text-muted); margin: 0; }
.related-mini-body .mini-meta { margin-top: 10px; font-size: 12px; color: var(--text-muted); font-weight: 600; }

/* process / steps */
.process-section {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 44px 40px;
    margin: 20px 0;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
}
.process-intro h3 { font-size: 22px; font-weight: 800; color: var(--primary-deep); line-height: 1.45; margin: 0 0 14px; }
.process-intro p { font-size: 14px; color: var(--text-secondary); margin: 0; }
.process-steps { counter-reset: procst; display: grid; gap: 16px; }
.step-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--bg-body);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
}
.step-num {
    counter-increment: procst;
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 800;
    background: var(--primary);
    color: #fff;
}
.step-item:nth-child(even) .step-num { background: var(--accent); }
.step-text h5 { font-size: 15px; font-weight: 800; color: var(--primary-deep); margin: 0 0 4px; }
.step-text p { font-size: 13px; color: var(--text-secondary); margin: 0; }

/* faq */
.faq-simple .faq-item {
    border-bottom: 1px solid var(--border);
    background: #fff;
    border-left: 3px solid transparent;
    transition: border-color .2s;
}
.faq-simple .faq-item.is-open { border-left-color: var(--accent); }
.faq-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    padding: 22px 20px 18px 20px;
}
.faq-head h4 { font-size: 16px; font-weight: 700; color: var(--primary-deep); margin: 0; line-height: 1.5; }
.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-soft);
    position: relative;
    display: inline-block;
}
.faq-icon::before, .faq-icon::after {
    content: "";
    position: absolute;
    background: var(--primary);
    border-radius: 3px;
    transition: transform .22s;
}
.faq-icon::before { left: 8px; right: 8px; height: 2px; top: 50%; transform: translateY(-50%); }
.faq-icon::after { top: 8px; bottom: 8px; width: 2px; left: 50%; transform: translateX(-50%); }
.faq-item.is-open .faq-icon::after { transform: translateX(-50%) scaleY(0); }
.faq-item.is-open .faq-icon::before { background: var(--accent); }
.faq-body {
    display: none;
    padding: 0 20px 22px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.9;
}
.faq-item.is-open .faq-body { display: block; }
.faq-item.is-open .faq-head { padding-bottom: 10px; }
.faq-body p { margin: 0; }
.faq-body strong { color: var(--primary); }

/* footer CTA band */
.cta-band {
    background: var(--bg-deep);
    border-radius: var(--radius-lg);
    padding: 44px 46px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: -40px;
    position: relative;
    z-index: 3;
    box-shadow: 0 16px 40px rgba(10,43,40,.15);
}
.cta-band h2 { color: #fff; font-size: 26px; line-height: 1.4; margin: 0 0 8px; font-weight: 800; }
.cta-band p { color: rgba(255,255,255,.8); font-size: 14px; margin: 0; }
.cta-band .btn { flex-shrink: 0; gap: 8px; }
.cta-band .btn::after { content: "→"; }

/* form section */
.apply-form-section {
    padding-top: calc(var(--space-section) + 30px);
    background: url('/assets/images/backpic/back-4.jpg') center/cover fixed no-repeat;
    position: relative;
}
.apply-form-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(248,249,247,.96) 25%, rgba(248,249,247,.85));
}
.apply-wrap {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    align-items: start;
}
.apply-intro h2 { font-size: 28px; line-height: 1.4; color: var(--primary-deep); font-weight: 800; margin: 0 0 14px; }
.apply-intro p { font-size: 15px; color: var(--text-secondary); margin: 0 0 20px; max-width: 460px; }
.apply-points { display: grid; gap: 12px; }
.apply-point {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 14px;
    color: var(--text-main);
    background: rgba(255,255,255,.8);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
}
.apply-point::before {
    content: "✓";
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}
.apply-form-card {
    background: #fff;
    border: 1px solid #E5CFAE;
    box-sizing: border-box;
    border-radius: var(--radius-lg);
    box-shadow: 0 14px 34px rgba(10,43,40,.1);
    overflow: hidden;
}
.apply-form-card .form-header {
    background: var(--accent);
    padding: 18px 22px;
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    line-height: 1.4;
}
.apply-form-card form { padding: 24px 22px 18px; }
.form-grid .field { margin-bottom: 16px; }
.form-grid label { display: block; font-size: 13px; font-weight: 700; color: var(--primary-deep); margin-bottom: 6px; }
.form-grid input,
.form-grid select,
.form-grid textarea {
    width: 100%;
    height: 42px;
    border: 1px solid #D6DDD9;
    border-radius: var(--radius);
    background: #FAFBFA;
    color: var(--text-main);
    font-size: 14px;
    padding: 0 13px;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.form-grid textarea { height: auto; padding: 10px 13px; resize: vertical; }
.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(14,79,74,.13);
    outline: none;
}
.form-grid select { appearance: none; background: transparent; }
.select-wrap { position: relative; }
.select-wrap::after {
    content: "";
    position: absolute;
    right: 16px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: translateY(-75%) rotate(45deg);
    pointer-events: none;
}
.form-submit { width: 100%; justify-content: center; margin-top: 6px; }
.form-note {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 14px;
}

/* footer */
.site-footer { background: var(--bg-deep); color: rgba(255,255,255,.75); margin-top: 78px; }
.footer-main { padding: 56px 0 30px; }
.footer-brand .brand-text { color: #fff; font-size: 22px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.62); margin: 14px 0 20px; max-width: 300px; }
.footer-list h4 { font-size: 14px; font-weight: 800; color: #fff; letter-spacing: .04em; margin-bottom: 16px; }
.footer-list li { font-size: 14px; color: rgba(255,255,255,.55); margin-bottom: 10px; }
.footer-list li a { color: rgba(255,255,255,.62); }
.footer-list li a:hover { color: #fff; }
.footer-interact {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,.05);
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 13px;
}
.footer-interact span { color: rgba(255,255,255,.7); }
.footer-interact a { font-weight: 700; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 16px 0;
    font-size: 13px;
    color: rgba(255,255,255,.4);
}

@media screen and (max-width: 1024px) {
    .cat-hero { padding: 60px 0 56px; }
    .process-section { grid-template-columns: 1fr; gap: 28px; }
    .related-strip { display: flex; gap: 16px; flex-wrap: nowrap; margin-left: -8px; overflow-x: auto; padding: 4px 4px 18px; }
    .related-mini { flex: 0 0 240px; max-width: 240px; }
    .apply-section-inner { display: block; }
    .apply-cta { margin-bottom: 24px; }
    .video-card { height: auto; }
}

@media screen and (max-width: 820px) {
    :root { --space-section: 64px; }
    .section { padding: 56px 0; }
    .category-h1 { font-size: 34px; }
    .section-title { font-size: 25px; }
    .top-sale .sale-tip { display: none; }
    .top-sale .sale-wrap {
        text-align: left;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .top-sale .sale-wrap a { display: inline; }
    .apply-wrap { grid-template-columns: 1fr; gap: 28px; }
    .cta-band { padding: 34px 28px; }
}

@media screen and (max-width: 640px) {
    .cat-hero { padding: 46px 0; background-position: 70% 50%; }
    .category-h1 { font-size: 30px; }
    .cat-hero-text { font-size: 15px; }
    .toolbar-wrap { align-items: flex-start; flex-direction: column; }
    .listing-tabs { flex-wrap: nowrap; overflow-x: auto; width: 100%; padding-bottom: 4px; }
    .sort-chip { white-space: nowrap; }
    .video-card h3 { font-size: 17px; }
    .video-card-body p { font-size: 13.5px; }
    .process-section { padding: 30px 20px; }
    .footer-main { padding-top: 44px; }
    .footer-bottom .grid-container { flex-direction: column; align-items: flex-start; }
    .cta-band { padding: 28px 22px; }
    .cta-band h2 { font-size: 21px; }
    .apply-form-section { padding-top: calc(var(--space-section) + 20px); }
    .section-title { font-size: 23px; }
}