/* roulang page: index */
:root {
  --bg-page: #F6F4EE;
  --bg-soft: #E9EEE7;
  --bg-white: #FFFFFF;
  --bg-deep: #173B2A;
  --brand-deep: #173B2A;
  --brand-main: #245C45;
  --brand-soft: #5F8A74;
  --accent: #B38A52;
  --accent-deep: #9A723C;
  --accent-soft: #E0D0B5;
  --text-primary: #20261F;
  --text-body: #35423A;
  --text-muted: #647269;
  --line: #E8E3D9;
  --line-dark: #D8D4C8;
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 6px;
  --shadow-sm: 0 8px 18px rgba(42, 48, 38, .06);
  --shadow-lg: 0 18px 40px rgba(42, 48, 38, .13);
  --shadow-hover: 0 22px 44px rgba(42, 48, 38, .17);
  --container: 1200px;
  --readable: 760px;
  --font-sans: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "STSong", Georgia, "Times New Roman", serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.no-scroll {
  overflow: hidden;
}
img {
  max-width: 100%;
  display: block;
  border: none;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease, background .25s ease, box-shadow .25s ease, border-color .25s ease, transform .25s ease;
}
a:hover, a:focus-visible {
  outline: none;
}
ul, ol {
  list-style: none;
}
button {
  font-family: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}
input, select, textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--text-primary);
  background: transparent;
  border: none;
  border-radius: 0;
}
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
button:disabled {
  cursor: not-allowed;
  opacity: .55;
}
.container {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
}
.section {
  padding: 96px 0;
}
.section--soft {
  background: var(--bg-soft);
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--accent-deep);
  text-transform: uppercase;
  font-weight: 600;
}
.section-kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent);
}
.section-head {
  margin-bottom: 52px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.35;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: .02em;
  margin-top: 14px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 640px;
  margin-top: 14px;
}
.split-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 28px;
  flex-wrap: wrap;
}

/* announcement + countdown */
.promo-strip {
  background: var(--brand-deep);
  color: #F3EFE4;
  font-size: 13px;
  position: relative;
  z-index: 20;
}
.promo-strip::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0, rgba(255,255,255,.05) 1px, transparent 1px, transparent 44px);
  pointer-events: none;
}
.promo-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  gap: 10px 20px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}
.promo-title {
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: .04em;
  color: rgba(255,255,255,.9);
}
.promo-title strong {
  color: #fff;
  font-weight: 600;
}
.promo-title .spot {
  width: 5px;
  height: 5px;
  background: var(--accent-soft);
  border-radius: 50%;
  margin-right: 2px;
}
.promo-count {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,.82);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
  font-size: 13px;
}
.count-num {
  display: inline-block;
  min-width: 30px;
  text-align: center;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.12);
  color: #fff;
  font-family: "SF Mono", "Menlo", "Consolas", "Liberation Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  padding: 1px 4px;
  border-radius: 5px;
}
.promo-link {
  color: var(--accent-soft);
  font-weight: 600;
  letter-spacing: .02em;
  border-bottom: 1px solid rgba(255,255,255,.26);
  padding-bottom: 1px;
  transition: color .25s, border-color .25s;
  white-space: nowrap;
}
.promo-link:hover {
  color: #fff;
  border-color: #fff;
}

/* site header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 244, 238, .94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  height: 68px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  gap: 2px;
  align-items: flex-end;
  background: var(--brand-deep);
  padding: 6px 5px 5px;
  border-radius: 4px;
  height: 26px;
  position: relative;
}
.brand-mark i {
  display: block;
  width: 3px;
  background: var(--accent-soft);
  border-radius: 2px;
}
.brand-mark i:nth-child(1) {
  height: 8px;
}
.brand-mark i:nth-child(2) {
  height: 16px;
}
.brand-mark i:nth-child(3) {
  height: 12px;
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
}
.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-item {
  position: relative;
}
.nav-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 12px;
  border-radius: 8px;
  line-height: 1.4;
  position: relative;
  white-space: nowrap;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s ease-out;
}
.nav-item.is-active .nav-link,
.nav-link:hover {
  color: var(--brand-deep);
}
.nav-item.is-active .nav-link::after {
  transform: scaleX(1);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: 14px;
  flex-shrink: 0;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-deep);
  background: transparent;
  border: 1px solid var(--line-dark);
  padding: 8px 15px;
  border-radius: 999px;
  transition: all .25s ease;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--brand-deep);
  color: #fff;
  border-color: var(--brand-deep);
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border-radius: 10px;
  background: rgba(27, 59, 43, .06);
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 20px;
  height: 2px;
  background: var(--brand-deep);
  border-radius: 3px;
  transform: translateX(-50%);
  transition: top .25s, transform .25s, opacity .25s;
}
.nav-toggle span {
  top: 50%;
  transform: translate(-50%, -50%);
}
.nav-toggle span::before {
  top: -6px;
}
.nav-toggle span::after {
  top: 6px;
}
body.nav-open .nav-toggle span {
  background: transparent;
}
body.nav-open .nav-toggle span::before {
  top: 0;
  transform: translate(-50%, 0) rotate(45deg);
}
body.nav-open .nav-toggle span::after {
  top: 0;
  transform: translate(-50%, 0) rotate(-45deg);
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: background .25s ease, color .25s ease, border-color .25s, transform .25s ease, box-shadow .25s ease;
  white-space: nowrap;
}
.btn svg {
  width: 15px;
  height: 15px;
}
.btn-primary {
  background: var(--brand-main);
  color: #fff;
  box-shadow: 0 8px 20px rgba(36, 92, 69, .18);
}
.btn-primary:hover {
  background: var(--brand-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(36, 92, 69, .22);
}
.btn-light {
  background: #fff;
  color: var(--brand-deep);
  border-color: rgba(255,255,255,.5);
}
.btn-light:hover {
  background: var(--accent-soft);
  color: var(--brand-deep);
  border-color: var(--accent-soft);
  transform: translateY(-2px);
}
.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255,255,255,.5);
  color: #fff;
}
.btn-outline-light:hover {
  background: #fff;
  color: var(--brand-deep);
  transform: translateY(-2px);
}
.btn-text {
  background: transparent;
  color: var(--brand-main);
  padding: 10px 4px;
  border-radius: 0;
  position: relative;
}
.btn-text::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 1px;
  background: var(--accent);
  transition: width .3s ease;
}
.btn-text:hover {
  color: var(--brand-deep);
}

/* hero */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  min-height: 660px;
}
.hero-content {
  padding: 92px 0 92px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .18em;
  font-weight: 600;
  color: var(--accent-deep);
  margin-bottom: 28px;
}
.hero-eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--accent);
}
.hero-content h1 {
  font-family: var(--font-serif);
  font-style: normal;
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--text-primary);
  font-weight: 700;
  max-width: 660px;
}
.hero-content h1 .serif-narrow {
  color: var(--accent-deep);
  font-weight: 700;
}
.hero-underline {
  position: relative;
  white-space: nowrap;
}
.hero-underline::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .04em;
  height: 10px;
  background: rgba(179, 138, 82, .24);
  z-index: -1;
  border-radius: 2px;
}
.hero-lead {
  margin-top: 28px;
  max-width: 560px;
  font-size: 17px;
  line-height: 2;
  color: var(--text-body);
}
.hero-lead strong {
  color: var(--brand-deep);
  font-weight: 600;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 42px;
}
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 46px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  max-width: 560px;
}
.hero-proof li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: .02em;
}
.hero-proof li i {
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}
.hero-visual {
  position: relative;
  z-index: 1;
  border-left: 1px solid var(--line);
  min-height: 100%;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
}
.hero-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(246,244,238,.35) 0%, rgba(246,244,238,.08) 45%, rgba(23,59,42,.05) 100%);
}
.hero-veil::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.32) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.32) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .24;
}
.hero-visual-inner {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 56px 42px;
}
.visual-kicker {
  font-size: 13px;
  color: rgba(23,59,42,.9);
  letter-spacing: .12em;
  margin-bottom: 12px;
  font-weight: 600;
  background: rgba(255,255,255,.56);
  display: inline-block;
  padding: 5px 10px;
  border-radius: 4px;
  align-self: flex-start;
}
.visual-title {
  color: rgba(23,59,42,.95);
  font-size: 14px;
  line-height: 1.7;
  background: rgba(255,255,255,.62);
  padding: 12px 16px;
  border-radius: 10px;
  max-width: 420px;
  border: 1px solid rgba(255,255,255,.72);
}

/* features */
.features {
  position: relative;
}
.features .container {
  position: relative;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.feature-item {
  padding: 32px 28px 38px 0;
  position: relative;
}
.feature-item + .feature-item {
  border-left: 1px solid var(--line);
  padding-left: 34px;
}
.feature-index {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--accent-deep);
  letter-spacing: .1em;
  display: block;
  margin-bottom: 18px;
}
.feature-flag {
  width: 26px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 22px;
  display: block;
}
.feature-item h3 {
  font-size: 19px;
  line-height: 1.5;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: .02em;
  margin-bottom: 12px;
}
.feature-item p {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-muted);
}
.feature-note {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.8;
  max-width: 720px;
}
.feature-note i {
  font-style: normal;
  color: var(--accent-deep);
  font-weight: 700;
}

/* media wall */
.wall-section {
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
}
.visual-wall {
  display: grid;
  grid-template-columns: 1.9fr 1.7fr 1fr;
  grid-template-rows: 230px 190px;
  gap: 18px;
}
.wall-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
  min-height: 0;
}
.wall-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.wall-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform .6s ease;
}
.wall-card:hover img {
  transform: scale(1.035);
}
.wall-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease-out;
}
.wall-card:hover::after {
  transform: scaleX(1);
}
.wall-main {
  grid-column: 1;
  grid-row: 1 / 3;
}
.wall-s1 {
  grid-column: 2;
  grid-row: 1;
}
.wall-quote {
  grid-column: 3;
  grid-row: 1;
  background: var(--brand-deep);
  color: #F5F1E7;
  padding: 30px 26px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 16px 34px rgba(23,59,42,.16);
  min-height: 0;
}
.wall-quote p {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.75;
}
.wall-quote span {
  display: block;
  font-size: 13px;
  color: var(--accent-soft);
  margin-top: 12px;
  letter-spacing: .14em;
}
.wall-s2 {
  grid-column: 2 / 4;
  grid-row: 2;
}
.wall-cap {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 3;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  display: flex;
  align-items: center;
  gap: 8px;
  text-shadow: 0 2px 8px rgba(0,0,0,.22);
}
.wall-cap::before {
  content: "";
  width: 12px;
  height: 2px;
  background: var(--accent-soft);
  flex: 0 0 auto;
}
.wall-card .img-alt {
  position: absolute;
  inset: auto 18px 18px;
  z-index: 2;
  font-size: 13px;
  color: #fff;
  text-shadow: 0 1px 8px rgba(0,0,0,.36);
  font-weight: 500;
  line-height: 1.7;
}

/* cta-panel */
.cta-section {
  padding: 96px 0 44px;
}
.cta-panel {
  position: relative;
  background: var(--brand-deep);
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: 64px 72px;
  color: #F7F2E9;
  box-shadow: 0 30px 70px rgba(23,59,42,.2);
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,.04) 0, rgba(255,255,255,.04) 1px, transparent 1px, transparent 16px);
  pointer-events: none;
}
.cta-panel::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -60px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(179,138,82,.4);
  border-radius: 50%;
  box-shadow: 0 0 0 38px rgba(179,138,82,.06);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  gap: 62px;
  align-items: center;
}
.cta-copy h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.35;
  color: #fff;
}
.cta-copy .small-line {
  margin-top: 16px;
  font-size: 14px;
  color: rgba(255,255,255,.68);
  letter-spacing: .1em;
}
.cta-copy p {
  margin-top: 24px;
  font-size: 15.5px;
  line-height: 2;
  color: rgba(255,255,255,.86);
  max-width: 440px;
}
.cta-form {
  background: rgba(255,255,255,.98);
  border-radius: 24px;
  padding: 32px 34px 26px;
  color: var(--text-primary);
  box-shadow: 0 20px 60px rgba(0,0,0,.22);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 16px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-field--full {
  grid-column: 1 / -1;
}
.form-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-body);
  letter-spacing: .06em;
}
.form-field input,
.form-field select {
  border: 1px solid var(--line-dark);
  height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  color: var(--text-primary);
  transition: border-color .25s, box-shadow .25s;
  width: 100%;
  font-size: 15px;
  appearance: auto;
}
.form-field select {
  background: #fff;
}
.form-field textarea {
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text-primary);
  width: 100%;
  min-height: 82px;
  resize: vertical;
  transition: border-color .25s, box-shadow .25s;
  line-height: 1.8;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--brand-main);
  box-shadow: 0 0 0 3px rgba(36, 92, 69, .14);
}
.form-field--hint {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 10px;
}
.form-actions {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.form-actions .btn {
  padding: 12px 26px;
}
.privacy-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.7;
  background: var(--bg-soft);
  border-radius: 8px;
  padding: 8px 12px;
}

/* faq */
.faq-section {
  background: var(--bg-page);
}
.faq-wrap {
  max-width: var(--readable);
}
.faq-list {
  border-top: 1px solid var(--line-dark);
}
.faq-item {
  border-bottom: 1px solid var(--line-dark);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  text-align: left;
  padding: 26px 4px 24px 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-primary);
  font-weight: 600;
  transition: color .25s;
}
.faq-q:hover {
  color: var(--brand-main);
}
.faq-icon {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  position: relative;
  transition: all .3s ease;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 13px;
  height: 1.5px;
  background: var(--accent-deep);
  transform: translate(-50%, -50%);
  transition: transform .3s ease;
}
.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.faq-item.is-open .faq-icon {
  border-color: var(--accent);
}
.faq-item.is-open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}
.faq-item.is-open .faq-q {
  color: var(--brand-deep);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .38s ease-out, padding .25s;
}
.faq-a p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-body);
  padding: 0 56px 28px 4px;
}
.faq-tail {
  margin-top: 28px;
  font-size: 14px;
  color: var(--text-muted);
}

/* news feed */
.feed-section {
  background: var(--bg-soft);
}
.feed-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.feed-item {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 22px;
  align-items: center;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  border-left: 3px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s, border-color .3s, transform .3s;
}
.feed-item:hover {
  box-shadow: var(--shadow-hover);
  border-left-color: var(--accent);
  transform: translateY(-2px);
}
.feed-index {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--accent-deep);
  letter-spacing: .04em;
  text-align: left;
  grid-row: span 2;
}
.feed-main {
  min-width: 0;
}
.feed-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: .05em;
}
.feed-tag {
  display: inline-block;
  background: var(--bg-soft);
  color: var(--brand-main);
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
}
.feed-time {
  font-variant-numeric: tabular-nums;
}
.feed-title {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-serif);
  line-height: 1.55;
  margin-top: 10px;
  color: var(--text-primary);
  transition: color .25s;
}
.feed-title a:hover {
  color: var(--brand-main);
}
.feed-desc {
  margin-top: 8px;
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.85;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.feed-more {
  grid-column: 3;
  grid-row: 1 / 3;
  align-self: center;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--brand-main);
  font-weight: 600;
  white-space: nowrap;
  transition: gap .25s, color .25s;
}
.feed-more:hover {
  color: var(--brand-deep);
  gap: 12px;
}
.feed-empty {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--line-dark);
  padding: 46px 30px;
  text-align: center;
  font-size: 15px;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

/* footer */
.site-footer {
  position: relative;
  background: var(--brand-deep);
  color: rgba(255,255,255,.74);
  margin-top: 52px;
  overflow: hidden;
}
.site-footer .watermark {
  position: absolute;
  right: -0.03em;
  bottom: -0.16em;
  font-family: var(--font-serif);
  font-size: 20vw;
  font-weight: 700;
  line-height: 1;
  color: rgba(255,255,255,.025);
  pointer-events: none;
  user-select: none;
}
.footer-main {
  position: relative;
  z-index: 2;
  padding: 72px 0 40px;
  display: grid;
  grid-template-columns: 1.15fr .8fr .9fr;
  gap: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-name {
  color: #fff;
}
.footer-note {
  font-size: 15px;
  line-height: 2;
  color: rgba(255,255,255,.6);
  margin-top: 20px;
  max-width: 400px;
}
.footer-columns {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col ul a,
.footer-col p {
  font-size: 14px;
  color: rgba(255,255,255,.62);
  line-height: 1.8;
  transition: color .25s, padding-left .25s;
}
.footer-col ul a:hover {
  color: var(--accent-soft);
  padding-left: 3px;
}
.footer-bottom {
  position: relative;
  z-index: 2;
  padding: 20px 0 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.42);
}
.footer-bottom a {
  color: rgba(255,255,255,.62);
}
.footer-bottom a:hover {
  color: #fff;
}

/* reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* responsive */
@media (max-width: 1024px) {
  .promo-inner {
    justify-content: center;
    padding: 8px 0;
  }
  .hero-grid {
    min-height: auto;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-item:nth-child(3) {
    border-left: none;
  }
  .feature-item:nth-child(n + 3) {
    padding-left: 28px;
    border-top: 1px solid var(--line);
  }
  .visual-wall {
    grid-template-columns: 1.6fr 1.4fr 1fr;
    grid-template-rows: 220px 180px;
  }
  .cta-panel {
    padding: 52px 46px;
  }
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 900px) {
  .site-header {
    background: rgba(246,244,238,.97);
  }
  .nav-row {
    height: 62px;
  }
  .nav-toggle {
    display: block;
    margin-left: auto;
    order: 9;
  }
  .site-nav {
    display: none;
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(246,244,238,.99);
    padding: 18px 20px 28px;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    z-index: 99;
    transform: translateY(-8px);
    transition: opacity .3s, transform .3s;
    box-shadow: 0 10px 30px rgba(0,0,0,.05);
    overflow-y: auto;
  }
  body.nav-open .site-nav {
    display: block;
  }
  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .nav-link {
    display: flex;
    justify-content: space-between;
    font-size: 17px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }
  .nav-link::after {
    width: 26px;
    height: 1px;
    left: 14px;
    right: auto;
  }
  .nav-actions {
    margin: 22px 0 0;
    justify-content: center;
  }
  .nav-cta {
    width: 100%;
    justify-content: center;
    padding: 13px 18px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-content {
    padding: 70px 0 54px;
  }
  .hero-visual {
    min-height: 360px;
    border-top: 1px solid var(--line);
    border-left: none;
  }
  .visual-wall {
    grid-template-columns: 1.3fr 1.2fr;
    grid-template-rows: 190px 220px;
  }
  .wall-main {
    grid-column: 1;
    grid-row: 1 / 3;
  }
  .wall-s1 {
    grid-column: 2;
    grid-row: 1;
  }
  .wall-s2 {
    grid-column: 2;
    grid-row: 2;
  }
  .wall-quote {
    display: none;
  }
  .feed-item {
    grid-template-columns: 42px 1fr;
    gap: 14px;
    padding: 22px;
  }
  .feed-more {
    grid-column: 2;
    grid-row: auto;
    justify-self: start;
    margin-top: 2px;
  }
}
@media (max-width: 640px) {
  :root {
    --radius-xl: 20px;
  }
  .container {
    width: calc(100% - 32px);
  }
  .section {
    padding: 58px 0;
  }
  .nav-row {
    gap: 14px;
  }
  .brand-name {
    font-size: 17px;
  }
  .promo-title {
    justify-content: center;
    text-align: center;
  }
  .promo-inner {
    gap: 10px;
  }
  .hero-content {
    padding-top: 50px;
  }
  .hero-content h1 {
    font-size: 34px;
  }
  .hero-lead {
    font-size: 16px;
  }
  .hero-proof {
    margin-top: 30px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-item {
    padding: 26px 0;
    border-left: none !important;
    border-top: 1px solid var(--line);
  }
  .feature-item:nth-child(n + 3) {
    padding-left: 0;
    border-top: 1px solid var(--line);
  }
  .visual-wall {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    grid-template-rows: 164px 164px;
  }
  .wall-main {
    grid-column: 1 / -1;
    grid-row: 3;
    height: 200px;
  }
  .wall-s1 {
    grid-column: 1;
    grid-row: 1;
  }
  .wall-s2 {
    grid-column: 2;
    grid-row: 1;
  }
  .wall-quote {
    display: flex;
    grid-column: 1 / -1;
    grid-row: 2;
    padding: 20px;
  }
  .cta-section {
    padding-top: 52px;
  }
  .cta-panel {
    padding: 42px 22px 38px;
    border-radius: var(--radius-xl);
  }
  .cta-form {
    padding: 22px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .faq-q {
    font-size: 15.5px;
    padding: 18px 0;
  }
  .faq-a p {
    padding-right: 12px;
    font-size: 14.5px;
  }
  .feed-list {
    gap: 14px;
  }
  .feed-item {
    grid-template-columns: 1fr;
    padding: 20px 18px;
  }
  .feed-index {
    display: none;
  }
  .feed-title {
    font-size: 17px;
    margin-top: 8px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    padding-top: 50px;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
  .footer-note {
    font-size: 14px;
  }
}

/* roulang page: category1 */
/* ========== Design Tokens ========== */
:root {
  --bg-page: #f6f3ed;
  --bg-soft: #e9ede7;
  --bg-white: #ffffff;
  --brand-deep: #173f37;
  --brand-main: #1e5d50;
  --brand-soft: #629486;
  --accent-gold: #ad8954;
  --accent-gold-soft: #d8c3a2;
  --ink: #1e2722;
  --text-sub: #5c6a62;
  --line: #d5dad2;
  --line-dark: rgba(255,255,255,.18);
  --radius-sm: 4px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-card: 0 1px 2px rgba(22,51,42,.05), 0 16px 36px rgba(22,51,42,.07);
  --shadow-hover: 0 4px 12px rgba(22,51,42,.08), 0 24px 48px rgba(22,51,42,.12);
  --font-cn: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  --font-serif: "Noto Serif SC","Songti SC","STSong","SimSun",serif;
}

/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg-page);
  color: var(--ink);
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol, dl, dd, p, figure, blockquote { margin: 0; padding: 0; }
ul { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
strong { font-weight: 700; }

.container {
  width: min(1200px, calc(100% - 40px));
  margin-inline: auto;
}
.section { padding: 88px 0; }
.section-head {
  max-width: 780px;
  margin: 0 auto 56px;
  text-align: left;
}
.kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--accent-gold);
  border-bottom: 1px solid var(--accent-gold);
  padding-bottom: 6px;
  margin-bottom: 18px;
}
.sec-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.2vw, 40px);
  line-height: 1.35;
  color: var(--brand-deep);
  margin: 0;
}
.sec-desc {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.9;
  margin-top: 16px;
}
.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--accent-gold);
  margin-bottom: 18px;
}

/* ========== Buttons / Tags ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 0 26px;
  height: 48px;
  border: 1px solid transparent;
  transition: background .25s ease, color .25s ease, transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.btn-primary {
  background: var(--brand-deep);
  color: #fff;
  border-color: var(--brand-deep);
}
.btn-primary:hover { background: var(--brand-main); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.btn-primary:active { transform: translateY(0); }
.btn-line {
  background: transparent;
  color: var(--brand-deep);
  border-color: rgba(23,63,55,.35);
}
.btn-line:hover { border-color: var(--brand-deep); background: rgba(23,63,55,.06); }
.btn-gold {
  background: var(--accent-gold);
  color: #173f37;
  border-color: var(--accent-gold);
}
.btn-gold:hover { background: var(--accent-gold-soft); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.btn-ghost-light {
  background: transparent;
  color: #f4efe6;
  border-color: rgba(255,255,255,.5);
}
.btn-ghost-light:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.9); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  color: var(--brand-deep);
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.text-link:hover { color: var(--accent-gold); border-bottom-color: var(--accent-gold); }
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.6;
  color: var(--brand-main);
  background: rgba(30,93,80,.08);
  border: 1px solid rgba(93,132,118,.2);
}
.btn:focus-visible, .nav-link:focus-visible, .text-link:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 4px;
}

/* ========== Header / Navigation ========== */
.site-header {
  position: relative;
  z-index: 30;
  background: rgba(246,243,237,.92);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  display: flex;
  align-items: center;
  min-height: 64px;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--brand-deep);
  font-weight: 700;
  font-size: 17px;
}
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 3px;
  background: var(--brand-deep);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
}
.brand-mark i {
  display: block;
  width: 15px;
  height: 2px;
  background: var(--gold, var(--accent-gold));
  border-radius: 2px;
}
.brand-mark i:last-child { width: 8px; }
.brand-name { letter-spacing: .02em; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-item { position: relative; }
.nav-link {
  display: inline-block;
  padding: 10px 14px;
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  transition: color .2s ease;
}
.nav-link:hover { color: var(--brand-deep); }
.nav-item.is-active .nav-link {
  color: var(--brand-deep);
  font-weight: 700;
}
.nav-item.is-active .nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--accent-gold);
  border-radius: 2px;
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--brand-deep);
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-deep);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-cta:hover { background: var(--brand-deep); color: #fff; transform: translateY(-1px); }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border-radius: 6px;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--brand-deep);
  border-radius: 4px;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -11px;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle span { margin-top: -1px; }
.nav-toggle span::before { transform: translateY(-7px); }
.nav-toggle span::after { transform: translateY(7px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: rotate(-45deg); }

/* ========== Hero ========== */
.category-hero {
  padding: 84px 0 96px;
  overflow: hidden;
  background: linear-gradient(115deg, #f6f3ed 0%, var(--bg-soft) 100%);
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, transparent 98%, rgba(23,63,55,.04) 100%);
  background-size: 72px 100%;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 76px;
  align-items: center;
}
.hero-copy { position: relative; z-index: 2; }
.hero-copy h1 {
  font-family: var(--font-serif);
  font-size: clamp(45px, 5vw, 70px);
  line-height: 1.12;
  color: var(--brand-deep);
  letter-spacing: .02em;
  margin: 6px 0 18px;
}
.hero-copy .lead {
  color: var(--text-sub);
  font-size: 17px;
  line-height: 1.95;
  max-width: 540px;
  margin-bottom: 28px;
}
.hero-meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.hero-meta-list li {
  font-size: 13px;
  color: var(--brand-deep);
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(23,63,55,.14);
  border-radius: 999px;
  padding: 7px 16px;
  letter-spacing: .02em;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
.hero-visual {
  position: relative;
}
.visual-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 24px 60px rgba(27,52,42,.18);
  aspect-ratio: 4 / 3.4;
}
.visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform .8s ease;
}
.category-hero:hover .visual-frame img { transform: scale(1.03); }
.visual-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(23,63,55,.12) 0%, rgba(39,89,75,.02) 45%, rgba(23,63,55,.3) 100%);
}
.hero-watermark {
  position: absolute;
  right: 30px;
  bottom: 24px;
  font-family: var(--font-serif);
  font-size: clamp(76px, 8vw, 130px);
  line-height: 1;
  color: rgba(255,255,255,.08);
  letter-spacing: .08em;
  pointer-events: none;
  z-index: 1;
}
.hero-corner {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  background: linear-gradient(60deg, var(--accent-gold) 0%, rgba(173,137,84,0) 60%);
  right: 20px;
  top: 20px;
  border-radius: var(--radius-lg);
  opacity: .6;
  z-index: 0;
  transform: translateX(8%);
}

/* ========== Scope ========== */
.scope-section { background: var(--bg-page); border-bottom: 1px solid var(--line); }
.scope-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 36px;
  row-gap: 46px;
}
.scope-item {
  border-top: 2px solid var(--brand-deep);
  padding-top: 22px;
  transition: border-color .3s ease;
}
.scope-item:hover { border-top-color: var(--accent-gold); }
.scope-no {
  font-size: 13px;
  font-family: "Segoe UI", var(--font-cn);
  color: var(--accent-gold);
  font-weight: 700;
  letter-spacing: .1em;
  margin-bottom: 10px;
}
.scope-item h3 { font-size: 18px; line-height: 1.5; color: var(--brand-deep); margin-bottom: 10px; }
.scope-item p { font-size: 13px; color: var(--text-sub); line-height: 1.85; }

/* ========== Note / Editorial ========== */
.note-section { background: var(--bg-white); }
.note-grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 68px;
  align-items: center;
}
.note-list { display: flex; flex-direction: column; gap: 0; }
.note-list li {
  border-top: 1px solid var(--line);
  padding: 24px 4px 24px 0;
}
.note-list li:last-child { border-bottom: 1px solid var(--line); }
.note-list b {
  display: block;
  font-size: 16px;
  color: var(--brand-deep);
  font-family: var(--font-serif);
  margin-bottom: 6px;
}
.note-list span { font-size: 14px; color: var(--text-sub); line-height: 1.85; }
.note-visual {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 18px;
  grid-template-areas: "main main" "small quote";
}
.visual-card { margin: 0; position: relative; overflow: hidden; border-radius: var(--radius-md); background: var(--bg-soft); }
.visual-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.visual-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23,63,55,0) 55%, rgba(23,63,55,.34) 100%); }
.visual-card:hover img { transform: scale(1.035); }
.visual-main { grid-area: main; aspect-ratio: 16 / 8.2; }
.visual-sub { grid-area: small; aspect-ratio: 4 / 3.6; }
.visual-quote {
  grid-area: quote;
  border-radius: var(--radius-md);
  background: var(--brand-deep);
  color: #f4efe6;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  min-height: 150px;
}
.visual-quote span {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--accent-gold-soft);
  border-bottom: 1px solid rgba(216,195,162,.4);
  padding-bottom: 10px;
  margin-bottom: 14px;
  width: fit-content;
}
.visual-quote p { font-size: 15px; line-height: 1.9; font-family: var(--font-serif); }
.figure-caption { position: absolute; left: 16px; bottom: 12px; z-index: 2; color: #fff; font-size: 13px; }
.figure-caption em { font-style: normal; font-size: 12px; opacity: .78; }

/* ========== Insight ========== */
.insight-section {
  background-color: var(--brand-deep);
  background-image: linear-gradient(rgba(14,48,40,.82), rgba(14,48,40,.88)), url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  color: #f1efe9;
}
.insight-header .kicker { color: var(--accent-gold-soft); border-bottom-color: var(--accent-gold-soft); }
.insight-header .sec-title { color: #f1efe9; }
.insight-header .sec-desc { color: rgba(241,239,233,.72); }
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 20px;
}
.audience-card {
  border-top: 2px solid rgba(255,255,255,.26);
  padding-top: 22px;
}
.audience-card h3 {
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: .02em;
}
.audience-card p { color: rgba(241,239,233,.72); font-size: 14px; line-height: 1.9; }
.audience-card .tag {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent-gold-soft);
  border-color: rgba(216,195,162,.4);
  background: rgba(216,195,162,.08);
}

/* ========== Process ========== */
.process-section { background: var(--bg-page); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 34px;
  row-gap: 36px;
  counter-reset: step;
}
.process-step { border-left: 1px solid var(--line); padding-left: 22px; }
.step-no { font-size: 14px; font-weight: 700; color: var(--accent-gold); margin-bottom: 10px; letter-spacing: .06em; }
.process-step h3 { font-size: 17px; color: var(--brand-deep); margin-bottom: 8px; }
.process-step p { font-size: 13px; color: var(--text-sub); line-height: 1.85; }

/* ========== Contact CTA ========== */
.contact-section { background: var(--bg-soft); position: relative; overflow: hidden; }
.contact-section::before {
  content: "开云";
  position: absolute;
  right: -40px;
  bottom: -60px;
  font-family: var(--font-serif);
  font-size: clamp(160px, 24vw, 380px);
  line-height: 1;
  color: rgba(23,63,55,.035);
  pointer-events: none;
  transform: rotate(90deg);
  transform-origin: right top;
}
.contact-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: var(--shadow-card);
  position: relative;
}
.contact-intro {
  background: var(--brand-deep);
  color: #f1efe9;
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contact-intro .eyebrow { color: var(--accent-gold-soft); }
.contact-intro h2 { font-family: var(--font-serif); font-size: 32px; line-height: 1.45; color: #fff; margin: 0 0 18px; }
.contact-intro p { color: rgba(241,239,233,.75); font-size: 14px; line-height: 1.9; }
.contact-intro-list { margin-top: 32px; }
.contact-intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  color: rgba(241,239,233,.72);
  margin-bottom: 12px;
}
.contact-intro-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 6px;
  background: var(--accent-gold);
  border-radius: 50%;
  margin-top: 9px;
}
.contact-form-wrap { padding: 48px; }
.form-tip {
  font-size: 13px;
  color: var(--brand-main);
  background: rgba(30,93,80,.08);
  border-left: 3px solid var(--brand-main);
  padding: 10px 14px;
  border-radius: 0 6px 6px 0;
  line-height: 1.6;
}
.form-field { margin-bottom: 26px; }
.form-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.form-field input, .form-field select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  height: 48px;
  font-size: 15px;
  color: var(--ink);
  border-radius: 0;
  padding: 0 2px;
  transition: border-color .2s ease, box-shadow .25s ease;
}
.form-field select { appearance: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath fill='none' stroke='%231e5d50' stroke-width='1.4' d='M2 5l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 2px center;
}
.form-field input:focus, .form-field select:focus {
  outline: none;
  border-bottom-color: var(--brand-main);
  box-shadow: 0 2px 0 -1px var(--accent-gold);
}
.form-field input::placeholder { color: #9aa69f; }
.form-submit { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding-top: 6px; }
.privacy-note {
  width: 100%;
  margin-top: 16px;
  font-size: 12px;
  color: #94a09a;
  line-height: 1.7;
}

/* ========== FAQ ========== */
.faq-section { background: var(--bg-white); }
.faq-container { max-width: 900px; margin: 0 auto; }
.faq-head { text-align: center; margin-bottom: 42px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-of-type { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 24px 4px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--brand-deep); }
.faq-item summary::after {
  content: "+";
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 18px;
  color: var(--accent-gold);
  line-height: 1;
  transition: transform .25s ease, background .25s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); background: var(--accent-gold); color: #fff; }
.faq-item .faq-body {
  padding: 0 44px 28px 4px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.9;
}

/* ========== Footer ========== */
.site-footer {
  background: #efece5;
  color: var(--ink);
  border-top: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  padding: 64px 0 30px;
}
.watermark {
  position: absolute;
  right: -16px;
  bottom: -82px;
  font-family: var(--font-serif);
  font-size: clamp(150px, 24vw, 340px);
  line-height: 1;
  color: rgba(23,63,55,.045);
  pointer-events: none;
  user-select: none;
}
.site-footer .container { position: relative; z-index: 1; }
.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 64px;
  padding-bottom: 44px;
}
.footer-brand .brand { font-size: 19px; }
.footer-note { color: var(--text-sub); font-size: 14px; max-width: 380px; margin-top: 16px; line-height: 1.9; }
.footer-col h4 {
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--brand-deep);
  margin: 0 0 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  color: var(--text-sub);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-col ul a:hover { color: var(--brand-deep); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #8a958e;
}
.footer-bottom a { color: #6f7b73; transition: color .2s; }
.footer-bottom a:hover { color: var(--brand-deep); }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .section { padding: 72px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-copy h1 { font-size: clamp(42px, 6vw, 58px); }
  .hero-visual { max-width: 640px; }
  .scope-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: 1fr; }
  .note-grid { grid-template-columns: 1fr; gap: 44px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-intro { padding: 44px 36px; }
  .contact-form-wrap { padding: 36px; }
  .footer-main { grid-template-columns: 1.2fr 1fr; gap: 44px; }
}
@media (max-width: 768px) {
  .container { width: min(100% - 32px, 1200px); }
  .section { padding: 60px 0; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: block;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-page);
    border-bottom: 1px solid var(--line);
    padding: 18px 20px 28px;
    box-shadow: var(--shadow-hover);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-nav ul { flex-direction: column; align-items: stretch; }
  .nav-item.is-active .nav-link::after { left: 14px; right: auto; width: 28px; }
  .site-nav .nav-actions { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
  .nav-cta { width: 100%; }
  .hero-copy h1 { font-size: clamp(36px, 10vw, 50px); }
  .visual-main { aspect-ratio: 16 / 11; }
  .scope-section, .note-section, .process-section { padding: 60px 0; }
  .contact-intro h2 { font-size: 28px; }
  .footer-main { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; align-items: center; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 24px); }
  body { font-size: 15px; }
  .brand-name { font-size: 15px; }
  .brand-mark { width: 25px; height: 25px; }
  .scope-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .note-visual { grid-template-columns: 1fr; grid-template-areas: none; }
  .visual-card { grid-area: auto !important; aspect-ratio: 4 / 3; }
  .hero-actions .btn, .hero-actions .text-link { width: 100%; justify-content: center; }
  .contact-intro, .contact-form-wrap { padding: 28px 22px; }
  .contact-intro h2 { font-size: 24px; }
  .visual-frame { aspect-ratio: 4 / 4.2; }
  .footer-col ul li { margin-bottom: 8px; }
  .footer-note { max-width: 100%; }
}

/* ========== Motion ========== */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-padding-top: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: article */
:root{
    --page-bg:#f5f3ed;
    --surface:#ffffff;
    --soft:#ebe9e1;
    --brand-deep:#173f35;
    --brand:#1d5447;
    --brand-soft:#e3ece7;
    --accent:#b58a4f;
    --accent-light:#d6bc94;
    --ink:#202720;
    --ink-2:#5d685f;
    --ink-3:#8d968c;
    --line:#dde1d8;
    --radius-lg:28px;
    --radius-md:14px;
    --radius-sm:6px;
    --shadow-sm:0 4px 18px rgba(20,40,34,.06);
    --shadow-md:0 18px 36px rgba(20,40,34,.11);
    --max:1200px;
    --serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
    --sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    --ease:.28s ease-out;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--sans);
    background:var(--page-bg);
    color:var(--ink);
    line-height:1.8;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{list-style:none}
.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
::selection{background:var(--accent-light);color:var(--brand-deep)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}

/* header */
.site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(250,249,245,.94);
    border-bottom:1px solid var(--line);
}
.nav-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    min-height:64px;
    gap:16px;
}
.brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
}
.brand-mark{
    display:inline-flex;
    flex-direction:column;
    gap:3px;
    width:22px;
}
.brand-mark i{
    display:block;
    height:2px;
    border-radius:2px;
    background:var(--accent);
}
.brand-mark i:nth-child(2){
    width:66%;
    background:var(--brand);
}
.brand-mark i:nth-child(3){
    width:86%;
    background:var(--brand-deep);
}
.brand-name{
    font-family:var(--serif);
    font-size:17px;
    font-weight:700;
    letter-spacing:.2px;
    color:var(--brand-deep);
}
.site-nav{
    display:flex;
    align-items:center;
    gap:26px;
}
.site-nav>ul{
    display:flex;
    align-items:center;
    gap:22px;
}
.nav-item{
    position:relative;
}
.nav-link{
    position:relative;
    display:inline-block;
    padding:8px 0;
    color:var(--ink-2);
    font-size:15px;
    white-space:nowrap;
    transition:color var(--ease);
}
.nav-link::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:100%;
    height:2px;
    background:var(--accent);
    border-radius:2px;
    transform:scaleX(0);
    transform-origin:right;
    transition:transform .32s ease-out;
}
.nav-link:hover::after,
.nav-item.is-active .nav-link::after{
    transform:scaleX(1);
    transform-origin:left;
}
.nav-item.is-active .nav-link{color:var(--brand-deep);font-weight:600}
.nav-link:hover{color:var(--brand-deep)}
.nav-actions{
    display:flex;
    align-items:center;
    margin-left:2px;
}
.nav-cta{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:38px;
    padding:0 20px;
    border-radius:999px;
    background:var(--brand);
    color:#fff;
    font-size:14px;
    border:1px solid var(--brand);
    transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.nav-cta:hover{
    background:#fff;
    color:var(--brand);
    transform:translateY(-1px);
}
.nav-toggle{
    display:none;
    width:40px;
    height:40px;
    border:1px solid var(--line);
    border-radius:10px;
    background:#fff;
    align-items:center;
    justify-content:center;
    cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
    position:relative;
    width:18px;
    height:2px;
    background:var(--brand-deep);
    border-radius:2px;
    display:block;
    transition:transform .3s ease,top .3s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
    content:"";
    position:absolute;
    left:0;
    top:-5px;
}
.nav-toggle span::after{
    top:5px;
}
.nav-toggle.is-open span{
    background:transparent;
}
.nav-toggle.is-open span::before{
    top:0;
    transform:rotate(45deg);
}
.nav-toggle.is-open span::after{
    top:0;
    transform:rotate(-45deg);
}

/* article breadcrumb */
.article-breadcrumb{
    max-width:920px;
    padding-top:32px;
}
.breadcrumb-list{
    display:flex;
    flex-wrap:wrap;
    gap:6px;
    align-items:center;
    font-size:13px;
    color:var(--ink-3);
}
.breadcrumb-list a{
    color:var(--ink-3);
    transition:color var(--ease);
}
.breadcrumb-list a:hover{color:var(--brand)}
.breadcrumb-list li+li::before{
    content:"/";
    margin:0 6px;
    color:var(--line);
}
.breadcrumb-list li[aria-current="true"]{
    color:var(--ink);
    max-width:320px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}

/* article heading */
.article-head{
    max-width:920px;
    padding:34px 0 24px;
}
.article-eyebrow{
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--accent);
    font-size:13px;
    letter-spacing:.5px;
}
.article-eyebrow .line{
    width:34px;
    height:2px;
    background:var(--accent);
    display:block;
}
.article-head h1{
    font-family:var(--serif);
    font-size:clamp(30px,4vw,45px);
    line-height:1.4;
    letter-spacing:.3px;
    margin:14px 0 18px;
    color:var(--brand-deep);
    max-width:820px;
}
.article-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:14px;
    font-size:14px;
    color:var(--ink-3);
}
.meta-pill{
    display:inline-flex;
    align-items:center;
    height:26px;
    padding:0 12px;
    border-radius:999px;
    background:var(--brand-soft);
    color:var(--brand);
    font-size:13px;
}
.meta-divider{
    width:1px;
    height:14px;
    background:var(--line);
}
.article-meta time{color:var(--ink-2)}

/* article body */
.article-main{
    max-width:920px;
    padding-bottom:20px;
}
.article-stage{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    padding:clamp(28px,5vw,68px);
}
.article-content{
    max-width:780px;
    margin-inline:auto;
    width:100%;
}
.article-body{
    font-size:16px;
    color:var(--ink);
}
.article-body p{
    margin-bottom:1.55em;
    line-height:1.95;
}
.article-body h2{
    font-family:var(--serif);
    font-size:25px;
    color:var(--brand-deep);
    margin:2em 0 .8em;
    line-height:1.5;
    padding-bottom:8px;
    border-bottom:1px solid var(--line);
}
.article-body h3{
    font-size:20px;
    font-weight:700;
    color:var(--brand-deep);
    margin:1.8em 0 .6em;
}
.article-body h4{
    font-size:17px;
    font-weight:700;
    margin:1.5em 0 .5em;
    color:var(--ink);
}
.article-body a{
    color:var(--brand);
    border-bottom:1px solid var(--accent);
    transition:color var(--ease),border-color var(--ease);
}
.article-body a:hover{
    color:var(--accent);
    border-color:var(--accent);
}
.article-body ul,.article-body ol{
    margin:0 0 1.6em;
    padding-left:24px;
}
.article-body ul{
    list-style:disc;
}
.article-body ol{
    list-style:decimal;
}
.article-body li{
    margin-bottom:.45em;
    line-height:1.9;
}
.article-body blockquote{
    margin:1.8em 0;
    padding:18px 22px;
    background:var(--soft);
    border-left:3px solid var(--accent);
    border-radius:0 10px 10px 0;
    color:var(--ink-2);
    font-style:normal;
}
.article-body blockquote p:last-child{
    margin-bottom:0;
}
.article-body pre{
    background:#1d2a25;
    color:#e9f0ec;
    border-radius:var(--radius-md);
    padding:18px 20px;
    overflow-x:auto;
    font-size:14px;
    line-height:1.7;
    margin-bottom:1.6em;
}
.article-body code{
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:.92em;
}
.article-body pre code{
    background:transparent;
}
.article-body img{
    border-radius:var(--radius-md);
    margin:28px auto;
}
.article-body table{
    display:block;
    width:100%;
    overflow-x:auto;
    border-collapse:collapse;
    margin:0 0 1.8em;
    font-size:14px;
}
.article-body thead{
    background:var(--brand-soft);
}
.article-body th,.article-body td{
    border:1px solid var(--line);
    padding:11px 14px;
    text-align:left;
    white-space:nowrap;
}
.article-body tr:nth-child(even){
    background:#fafaf7;
}

/* article leave block */
.article-leave{
    max-width:780px;
    margin:56px auto 0;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:22px 0 0;
    border-top:1px solid var(--line);
}
.leave-note{
    display:flex;
    gap:12px;
    align-items:center;
    color:var(--ink-2);
    font-size:14px;
}
.leave-note .arrow{
    display:flex;
    width:34px;
    height:34px;
    border-radius:50%;
    background:var(--brand-soft);
    color:var(--brand);
    align-items:center;
    justify-content:center;
    font-size:18px;
}
.btn-line{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:42px;
    padding:0 24px;
    border-radius:999px;
    border:1px solid var(--brand);
    color:var(--brand);
    font-size:14px;
    background:transparent;
    transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.btn-line:hover{
    background:var(--brand);
    color:#fff;
    box-shadow:var(--shadow-sm);
}

/* article no data */
.article-missing{
    padding:70px 0 110px;
}
.missing-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:48px 24px;
    text-align:center;
    box-shadow:var(--shadow-sm);
}
.missing-card .missing-code{
    font-family:var(--serif);
    font-size:56px;
    color:var(--accent);
    display:block;
    line-height:1;
}
.missing-card h1{
    font-family:var(--serif);
    font-size:30px;
    color:var(--brand-deep);
    margin:8px 0 12px;
}
.missing-card p{
    color:var(--ink-2);
    margin-bottom:22px;
}
.btn-primary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:46px;
    padding:0 30px;
    border-radius:999px;
    background:var(--brand);
    color:#fff;
    font-size:15px;
    border:1px solid var(--brand);
    transition:background var(--ease),border-color var(--ease),transform var(--ease),color var(--ease);
}
.btn-primary:hover{
    background:var(--accent);
    border-color:var(--accent);
    color:#fff;
    transform:translateY(-2px);
    box-shadow:var(--shadow-sm);
}

/* related */
.related-section{
    max-width:1200px;
    padding:74px 0 20px;
}
.related-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:34px;
}
.related-title h2{
    font-family:var(--serif);
    font-size:32px;
    color:var(--brand-deep);
    line-height:1.4;
}
.related-title p{
    color:var(--ink-2);
    font-size:14px;
    margin-top:4px;
}
.related-title .accent-bar{
    width:38px;
    height:3px;
    border-radius:2px;
    background:var(--accent);
    margin-bottom:8px;
}
.related-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}
.related-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    overflow:hidden;
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-md);
    border-color:#d2d8cd;
}
.related-link{display:block;height:100%}
.related-media{
    position:relative;
    display:block;
    height:190px;
    overflow:hidden;
    background:var(--soft);
}
.related-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .55s ease-out;
}
.related-card:hover .related-media img{
    transform:scale(1.04);
}
.related-media::after{
    content:"kaiyun开云官方网站";
    position:absolute;
    right:0;
    bottom:0;
    padding:6px 14px;
    background:rgba(23,63,53,.82);
    color:#efe7d6;
    font-size:12px;
    letter-spacing:.3px;
    border-top-left-radius:10px;
    opacity:0;
    transition:opacity var(--ease);
}
.related-card:hover .related-media::after{
    opacity:1;
}
.related-info{
    display:block;
    padding:18px 20px 22px;
}
.related-cat{
    display:inline-flex;
    align-items:center;
    height:24px;
    padding:0 10px;
    border-radius:4px;
    background:var(--brand-soft);
    color:var(--brand);
    font-size:12px;
    margin-bottom:12px;
}
.related-info h3{
    font-family:var(--serif);
    font-size:18px;
    line-height:1.55;
    color:var(--brand-deep);
    margin-bottom:8px;
}
.related-info p{
    font-size:14px;
    color:var(--ink-2);
    line-height:1.7;
    margin-bottom:14px;
}
.read-more{
    display:flex;
    align-items:center;
    gap:4px;
    color:var(--accent);
    font-size:13px;
    font-weight:600;
}
.read-more span{
    transition:transform var(--ease);
}
.related-card:hover .read-more span{
    transform:translateX(5px);
}

/* cta */
.cta-section{
    padding:80px 0 90px;
}
.cta-inner{
    position:relative;
    overflow:hidden;
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:56px;
    background:
        linear-gradient(rgba(23,63,53,.93),rgba(23,63,53,.92)),
        url('/assets/images/backpic/back-2.png') center/cover;
    border-radius:var(--radius-lg);
    padding:clamp(32px,6vw,64px);
    color:#f2efe6;
    box-shadow:var(--shadow-md);
}
.cta-copy h2{
    font-family:var(--serif);
    font-size:clamp(26px,3vw,37px);
    line-height:1.5;
    margin-bottom:16px;
}
.cta-copy p{
    line-height:2;
    color:#cdd8cf;
    font-size:14px;
    max-width:480px;
}
.cta-copy .phone-list{
    margin-top:28px;
    display:flex;
    flex-wrap:wrap;
    gap:14px;
}
.cta-copy .phone-list span{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:8px 0;
    font-size:14px;
    color:#e8e2d2;
}
.contact-form{
    background:#fffdf8;
    border-radius:20px;
    padding:28px 26px 24px;
    display:flex;
    flex-direction:column;
    gap:14px;
    color:var(--ink);
}
.contact-form label{
    font-size:13px;
    color:var(--ink-3);
}
.contact-form input,
.contact-form select{
    width:100%;
    height:46px;
    border:none;
    border-bottom:1px solid var(--line);
    background:transparent;
    font-size:14px;
    color:var(--ink);
    outline:none;
    transition:border-color var(--ease),box-shadow var(--ease);
}
.contact-form input:focus,
.contact-form select:focus{
    border-bottom-color:var(--brand);
    box-shadow:0 2px 0 var(--accent);
}
.contact-form select{
    cursor:pointer;
}
.contact-form .btn-block{
    margin-top:8px;
}
.btn-block{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:100%;
    height:48px;
    border:none;
    border-radius:999px;
    background:var(--brand);
    color:#fff;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
    border:1px solid var(--brand);
}
.btn-block:hover{
    background:var(--accent);
    border-color:var(--accent);
    transform:translateY(-2px);
    box-shadow:0 8px 22px rgba(0,0,0,.12);
}
.form-note{
    font-size:12px;
    color:var(--ink-3);
    text-align:center;
    margin-top:4px;
    line-height:1.7;
}
.form-note i{
    color:var(--accent);
}
.cta-success{
    background:#e9f1eb;
    border:1px solid var(--brand);
    color:var(--brand);
    font-size:14px;
    border-radius:10px;
    padding:13px 16px;
}
/* footer */
.site-footer{
    position:relative;
    border-top:1px solid var(--line);
    background:#efece4;
    padding-top:50px;
    overflow:hidden;
}
.site-footer .watermark{
    position:absolute;
    right:-10px;
    bottom:-50px;
    font-family:var(--serif);
    font-size:230px;
    line-height:1;
    color:rgba(23,63,53,.06);
    pointer-events:none;
    user-select:none;
    z-index:0;
}
.site-footer .container{
    position:relative;
    z-index:1;
}
.footer-main{
    display:grid;
    grid-template-columns:2fr .85fr 1.1fr;
    gap:40px;
    padding-bottom:46px;
}
.footer-brand .brand{
    margin-bottom:14px;
}
.footer-brand .brand-name{
    font-size:20px;
}
.footer-note{
    font-size:14px;
    color:var(--ink-2);
    line-height:1.95;
    max-width:360px;
    margin:14px 0 0;
}
.footer-col h4{
    font-family:var(--serif);
    font-size:16px;
    color:var(--brand-deep);
    margin-bottom:16px;
    letter-spacing:.5px;
}
.footer-col li+li{
    margin-top:8px;
}
.footer-col a{
    font-size:14px;
    color:var(--ink-2);
    transition:color var(--ease),padding-left var(--ease);
}
.footer-col a:hover{
    color:var(--brand);
    padding-left:4px;
}
.footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:8px;
    border-top:1px solid var(--line);
    padding:22px 0 30px;
    font-size:13px;
    color:var(--ink-3);
}
.footer-bottom a{
    color:var(--ink-3);
}
.footer-bottom a:hover{
    color:var(--accent);
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
    *{
        transition:none !important;
        animation:none !important;
        scroll-behavior:auto !important;
    }
    .related-media img{
        transform:none !important;
    }
}

/* responsive */
@media (max-width:1024px){
    .site-nav > ul{
        gap:14px;
    }
    .site-nav{
        gap:14px;
    }
    .nav-cta{
        padding:0 14px;
    }
    .footer-main{
        grid-template-columns:1fr 1fr;
    }
    .footer-brand{
        grid-column:1 / -1;
    }
}
@media (max-width:920px){
    .nav-toggle{
        display:inline-flex;
    }
    .site-nav{
        position:absolute;
        top:calc(100% + 8px);
        left:20px;
        right:20px;
        width:auto;
        background:#fff;
        border:1px solid var(--line);
        border-radius:16px;
        box-shadow:var(--shadow-md);
        padding:14px;
        display:none;
        flex-direction:column;
        align-items:flex-start;
        gap:12px;
    }
    .site-nav.is-open{
        display:flex;
    }
    .site-nav>ul{
        width:100%;
        flex-direction:column;
        align-items:flex-start;
        gap:4px;
    }
    .site-nav .nav-link{
        display:block;
        width:100%;
        padding:9px 4px;
    }
    .nav-actions{
        width:100%;
        margin-left:0;
    }
    .nav-cta{
        width:100%;
    }
    .related-grid{
        grid-template-columns:1fr 1fr;
    }
    .cta-inner{
        grid-template-columns:1fr;
        gap:28px;
    }
    .cta-copy{
        text-align:center;
    }
    .cta-copy p{
        margin-inline:auto;
    }
    .cta-copy .phone-list{
        justify-content:center;
    }
}
@media (max-width:640px){
    .container{
        width:min(100% - 30px,1200px);
    }
    .brand-name{
        font-size:15px;
    }
    .article-menu{padding-top:24px}
    .article-head{
        padding-top:20px;
    }
    .article-head h1{
        font-size:28px;
    }
    .article-stage{
        padding:24px 20px;
    }
    .article-body{
        font-size:15px;
    }
    .article-body h2{
        font-size:21px;
    }
    .article-leave{
        flex-direction:column;
        align-items:flex-start;
    }
    .related-grid{
        grid-template-columns:1fr;
    }
    .related-head{
        flex-direction:column;
        align-items:flex-start;
        margin-bottom:22px;
    }
    .footer-main{
        grid-template-columns:1fr;
        gap:26px;
    }
    .footer-brand{
        grid-column:auto;
    }
    .footer-col{
        padding-top:12px;
        border-top:1px solid var(--line);
    }
    .footer-bottom{
        flex-direction:column;
        text-align:center;
    }
    .site-footer .watermark{
        font-size:150px;
        right:-20px;
        bottom:-20px;
    }
    .article-missing{
        padding:40px 0 70px;
    }
}

/* roulang page: category2 */
:root{
  --paper:#f7f6f1;
  --paper-deep:#edece4;
  --cloud:#f0f3ed;
  --ink:#222720;
  --ink-soft:#465148;
  --ink-faint:#6e786e;
  --brand-deep:#12352b;
  --brand-main:#1d5544;
  --brand-soft:#e5efe8;
  --gold:#b18a54;
  --gold-soft:#d8c7ae;
  --line:#dcded4;
  --line-soft:#e9eae2;
  --white:#ffffff;
  --shadow:0 18px 50px rgba(30,35,25,.08);
  --radius-lg:28px;
  --radius-md:16px;
  --radius-sm:4px;
  --transition:.25s ease;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand-main);text-decoration:none;transition:color var(--transition),border-color var(--transition),background var(--transition);}
a:hover{color:var(--gold);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}
button{border:none;cursor:pointer;font-family:inherit;}
h1,h2,h3,h4{font-family:"Songti SC","Noto Serif SC","Source Han Serif SC",Georgia,"PingFang SC",serif;font-weight:600;line-height:1.35;color:var(--ink);}
p{line-height:1.8;}
.container{width:min(1200px,92%);margin-left:auto;margin-right:auto;}
.section{padding:96px 0;}
@media(max-width:768px){.section{padding:72px 0;}}

/* 页面统一按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 26px;border-radius:999px;font-size:15px;letter-spacing:.04em;font-family:inherit;transition:transform var(--transition),background var(--transition),color var(--transition),border-color var(--transition);line-height:1;white-space:nowrap;}
.btn:hover{transform:translateY(-2px);}
.btn i{font-style:normal;transition:transform var(--transition);}
.btn:hover i{transform:translateX(4px);}
.btn-gold{background:var(--gold);color:#fff;}
.btn-gold:hover{background:#c69d66;color:#163a2e;}
.btn-outline{border:1px solid rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-outline:hover{border-color:var(--gold);color:var(--gold);}
.btn-ink{background:var(--brand-deep);color:#fff;}
.btn-ink:hover{background:var(--brand-main);color:#fff;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-main);border-bottom:1px solid transparent;}
.link-more:hover{color:var(--gold);border-color:rgba(177,138,84,.5);}

/* Header */
.site-header{background:var(--brand-deep);color:#fff;position:sticky;top:0;z-index:50;}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;flex-shrink:0;}
.brand:hover{color:var(--gold-soft);}
.brand-mark{position:relative;width:22px;height:22px;display:block;}
.brand-mark i{position:absolute;left:0;width:11px;height:11px;background:var(--gold);display:block;}
.brand-mark i:nth-child(1){top:0;left:0;}
.brand-mark i:nth-child(2){top:11px;left:11px;background:var(--brand-soft);}
.brand-mark i:nth-child(3){top:11px;left:0;background:#fff;width:5px;height:5px;}
.brand-name{font-weight:600;font-size:17px;letter-spacing:.01em;}
.site-nav{display:flex;align-items:center;justify-content:flex-end;gap:28px;flex:1;min-width:0;}
.site-nav ul{display:flex;align-items:center;gap:30px;list-style:none;}
.nav-item{position:relative;}
.nav-item.is-active .nav-link{color:var(--gold-soft);}
.nav-item.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-20px;height:2px;background:var(--gold);}
.nav-link{color:rgba(255,255,255,.88);font-size:14px;letter-spacing:.02em;padding:12px 0;}
.nav-link:hover{color:#fff;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-cta{border:1px solid rgba(255,255,255,.5);color:#fff;border-radius:999px;padding:8px 20px;font-size:13px;line-height:1.4;letter-spacing:.04em;}
.nav-cta:hover{background:var(--gold);border-color:var(--gold);color:#fff;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.3);border-radius:50%;background:transparent;position:relative;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{width:18px;height:2px;background:#fff;display:block;position:absolute;left:12px;content:"";transition:transform var(--transition);}
.nav-toggle span{top:20px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-open .nav-toggle span{background:transparent;}
.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);top:0;}
.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);top:0;}

/* Breadcrumb */
.breadcrumb{padding-top:28px;font-size:13px;color:var(--ink-faint);}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--brand-main);}
.breadcrumb li+li::before{content:"/";color:var(--line);margin-right:8px;font-feature-settings:normal;}

/* 分类页 Hero */
.page-hero{background:var(--paper);border-bottom:1px solid var(--line-soft);overflow:hidden;}
.page-hero .container{position:relative;z-index:2;}
.hero-split{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;padding:48px 0 80px;}
.hero-copy{padding-right:10px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.18em;color:var(--gold);font-weight:600;text-transform:uppercase;margin-bottom:20px;}
.hero-eyebrow::before{content:"";width:32px;height:1px;background:var(--gold);display:inline-block;}
.hero-title{font-size:56px;line-height:1.18;letter-spacing:.02em;margin-bottom:20px;}
.hero-title em{font-style:normal;color:var(--gold);}
.hero-lead{font-size:16px;color:var(--ink-soft);max-width:560px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px;}
.chip{border:1px solid var(--line);border-radius:999px;padding:5px 13px;color:var(--ink-faint);font-size:12px;line-height:1.4;background:rgba(255,255,255,.7);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{font-size:13px;color:var(--ink-faint);margin-top:18px;}
.hero-art{position:relative;border-radius:var(--radius-lg);background:#d8d7cf;box-shadow:var(--shadow);min-height:520px;overflow:hidden;border:1px solid var(--line-soft);}
.hero-art-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center 30% / cover no-repeat;transition:transform .6s ease;}
.hero-art::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,53,43,.08),rgba(18,53,43,.6));}
.hero-art-info{position:absolute;left:26px;right:26px;bottom:24px;z-index:2;color:#fff;}
.hero-art-info .line{width:42px;height:2px;background:var(--gold);display:inline-block;margin-bottom:12px;}
.hero-art-info strong{display:block;font-size:20px;font-family:"Songti SC","Noto Serif SC",serif;line-height:1.5;font-weight:600;}
.hero-art-info span{display:block;font-size:13px;margin-top:4px;opacity:.85;}
.hero-image-caption{margin-top:12px;font-size:12px;color:var(--ink-faint);text-align:right;padding-right:4px;}

/* 区块标题 */
.section-kicker{font-size:12px;letter-spacing:.18em;color:var(--gold);font-weight:700;text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.section-kicker::before{content:"";width:22px;height:1px;background:var(--gold);display:inline-block;}
.section-head{max-width:760px;margin-bottom:50px;}
.section-head h2{font-size:36px;margin-bottom:16px;}
.section-head p{color:var(--ink-faint);font-size:15px;}

/* 方法卡：读案角度 */
.read-frame{background:var(--white);border-bottom:1px solid var(--line-soft);}
.framework-list{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line-soft);border:1px solid var(--line-soft);}
.framework-item{background:#fff;padding:36px 34px 40px;transition:background var(--transition),transform var(--transition);position:relative;}
.framework-item:hover{background:var(--cloud);transform:translateY(-6px);z-index:2;box-shadow:var(--shadow);}
.frame-no{font-family:"Songti SC",serif;font-size:13px;letter-spacing:.1em;color:var(--gold);display:block;margin-bottom:34px;position:relative;}
.frame-no::after{content:"";position:absolute;left:0;top:24px;width:100%;height:1px;background:var(--line);}
.framework-item h3{font-size:22px;margin-bottom:16px;}
.framework-item p{font-size:14px;color:var(--ink-soft);}
.framework-bottom{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;background:var(--cloud);border:1px solid var(--line-soft);border-top:0;padding:22px 30px;}
.framework-bottom p{font-size:13px;color:var(--ink-faint);max-width:700px;}
.framework-bottom a{flex-shrink:0;font-size:13px;}

/* 实务描影：深墨绿段 */
.stage-note{background:var(--brand-deep);color:#fff;position:relative;}
.stage-note::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:46px 46px;pointer-events:none;}
.stage-note .container{position:relative;z-index:2;}
.stage-head{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:end;margin-bottom:52px;}
.stage-head .section-kicker{color:var(--gold-soft);}
.stage-head h2{color:#fff;font-size:34px;}
.stage-head p{color:rgba(255,255,255,.72);font-size:15px;margin-top:16px;}
.stage-list{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.18);}
.stage-item{background:rgba(18,53,43,.9);padding:34px 18px 30px;min-height:250px;display:flex;flex-direction:column;}
.stage-item em{font-style:normal;font-size:13px;letter-spacing:.1em;color:var(--gold-soft);display:block;margin-bottom:26px;}
.stage-item b{font-family:"Songti SC",serif;font-size:18px;color:#fff;line-height:1.5;margin-bottom:14px;}
.stage-item p{font-size:13px;color:rgba(255,255,255,.7);line-height:1.7;}

/* 引语 */
.legal-quote{background:var(--paper-deep);padding:2px 0;border-bottom:1px solid var(--line-soft);}
.legal-quote .container{display:grid;grid-template-columns:80px 1fr;gap:26px;padding-top:54px;padding-bottom:54px;}
.legal-quote .big{font-size:54px;color:var(--gold);font-family:Georgia,serif;line-height:.8;}
.legal-quote blockquote p{font-family:"Songti SC",serif;font-size:22px;line-height:1.7;max-width:820px;}
.legal-quote footer{margin-top:14px;font-size:13px;color:var(--ink-faint);}

/* 实务主题图文 */
.topic-wrap{background:var(--white);}
.topic-list{display:grid;grid-template-columns:1.18fr .8fr;gap:2px;background:var(--line);}
.topic-main{min-height:620px;background:var(--brand-soft);position:relative;}
.topic-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.topic-main .topic-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,50,40,0) 25%,rgba(22,50,40,.88) 100%);}
.topic-main .topic-body{position:absolute;left:38px;right:38px;bottom:38px;color:#fff;}
.topic-main .topic-body h3{font-size:27px;color:#fff;margin-bottom:10px;}
.topic-main .topic-body p{font-size:14px;color:rgba(255,255,255,.85);}
.topic-main .tag{display:inline-block;font-size:12px;letter-spacing:.05em;padding:4px 12px;border:1px solid rgba(255,255,255,.45);border-radius:999px;margin-bottom:18px;}
.topic-meta{font-size:12px;color:#dfe9df;margin-bottom:2px;letter-spacing:.15em;}
.topic-columns{display:flex;flex-direction:column;background:#0f0e0b;}
.topic-cell{flex:1;background:var(--white);padding:20px;display:flex;flex-direction:column;justify-content:flex-end;border-bottom:1px solid var(--line);transition:background var(--transition);}
.topic-cell:last-child{border-bottom:0;}
.topic-cell .cell-label{font-size:12px;color:var(--gold);letter-spacing:.12em;margin-bottom:8px;}
.topic-cell h3{font-size:20px;line-height:1.5;margin-bottom:8px;}
.topic-cell p{font-size:13px;color:var(--ink-soft);}

/* 实务提示 */
.practice-tip{background:var(--cloud);}
.tip-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;}
.tip-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.tip-image img{width:100%;height:100%;object-fit:cover;}
.tip-body .section-kicker{margin-bottom:14px;}
.tip-body h2{font-size:32px;margin-bottom:18px;}
.tip-body p{color:var(--ink-faint);}
.tip-list{margin-top:28px;list-style:none;border-top:1px solid var(--line);}
.tip-list li{padding:13px 0;border-bottom:1px solid var(--line-soft);font-size:14px;display:flex;gap:12px;color:var(--ink-soft);}
.tip-list li::before{content:"—";color:var(--gold);font-weight:700;}

/* FAQ */
.faq-wrap{background:var(--white);}
.faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px;align-items:start;}
.faq-nav-side{position:sticky;top:120px;}
.faq-nav-side h2{font-size:32px;margin-top:8px;margin-bottom:14px;}
.faq-nav-side p{color:var(--ink-faint);font-size:15px;}
.faq-nav-side div{margin-top:30px;border-left:2px solid var(--gold);padding-left:16px;}
.faq-nav-side div span{display:block;font-size:14px;color:var(--ink-soft);}
.faq-list{border-top:1px solid var(--line-soft);}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;background:transparent;padding:26px 4px;text-align:left;color:var(--ink);font-size:17px;line-height:1.5;font-family:inherit;letter-spacing:.01em;transition:color var(--transition);}
.faq-question:hover{color:var(--brand-main);}
.faq-icon{position:relative;flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;transition:transform var(--transition),border-color var(--transition);}
.faq-icon::before{content:"";width:10px;height:1px;background:var(--brand-main);display:block;}
.faq-icon::after{content:"";position:absolute;width:1px;height:10px;background:var(--brand-main);transition:transform .25s;}
.faq-item.is-open .faq-icon{transform:rotate(90deg);border-color:var(--gold);}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-question:focus-visible{outline:2px solid var(--gold);outline-offset:6px;}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 4px;}
.faq-answer-inner{padding:0 0 30px;font-size:15px;color:var(--ink-soft);max-width:700px;}

/* CTA / 表单 */
.contact-panel{background:var(--brand-deep);color:#fff;position:relative;overflow:hidden;}
.contact-panel::before{content:"";position:absolute;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.13;inset:0;}
.contact-panel::after{content:"开云";position:absolute;right:-50px;bottom:-120px;font-size:230px;font-family:"Songti SC",serif;color:rgba(255,255,255,.06);pointer-events:none;}
.contact-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:80px;}
.contact-info h2{color:#fff;font-size:36px;margin-bottom:18px;}
.contact-info p{color:rgba(255,255,255,.78);font-size:15px;max-width:460px;}
.contact-points{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;}
.contact-points div{border-left:1px solid rgba(255,255,255,.25);padding-left:16px;}
.contact-points em{font-style:normal;color:var(--gold);font-size:12px;letter-spacing:.1em;}
.contact-points span{display:block;color:rgba(255,255,255,.88);font-size:14px;margin-top:2px;}
.contact-form{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:30px;border-radius:20px;backdrop-filter:blur(6px);}
.form-group{margin-bottom:22px;position:relative;}
.form-group label{display:block;color:rgba(255,255,255,.82);font-size:13px;margin-bottom:8px;letter-spacing:.03em;}
.form-group input,.form-group select{width:100%;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.4);color:#fff;padding:10px 0;font-size:15px;font-family:inherit;transition:border-color var(--transition);appearance:none;border-radius:0;}
.form-group input:focus,.form-group select:focus{outline:none;border-bottom-color:var(--gold);}
.form-group select option{color:var(--ink);background:var(--white);}
.privacy-note{margin-top:8px;font-size:12px;color:rgba(255,255,255,.55);line-height:1.7;}
.submit-btn{margin-top:10px;width:100%;background:var(--gold);color:#fff;padding:13px 24px;border-radius:999px;border:none;font-size:15px;letter-spacing:.04em;}
.submit-btn:hover{background:#c39a62;transform:translateY(-2px);}

/* Footer */
.site-footer{background:#0d261f;color:rgba(255,255,255,.72);padding-top:64px;position:relative;overflow:hidden;}
.watermark{position:absolute;right:-10px;bottom:-35px;font-size:170px;font-family:"Songti SC",serif;line-height:1;color:rgba(255,255,255,.03);pointer-events:none;z-index:1;}
.footer-main{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:50px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .brand{color:#fff;margin-bottom:18px;}
.footer-note{font-size:14px;max-width:380px;color:rgba(255,255,255,.62);}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:600;font-family:"PingFang SC",sans-serif;letter-spacing:.02em;}
.footer-col ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);row-gap:10px;column-gap:12px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{position:relative;z-index:2;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:24px 0 32px;font-size:13px;color:rgba(255,255,255,.48);}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--gold);}

@media (max-width:1024px){
  .hero-title{font-size:46px;}
  .hero-split{grid-template-columns:1fr;gap:36px;padding-bottom:64px;}
  .hero-copy{padding-right:0;}
  .hero-art{min-height:480px;}
  .stage-list{grid-template-columns:repeat(3,1fr);}
  .stage-item{min-height:220px;}
  .framework-list{grid-template-columns:1fr;}
  .topic-list{grid-template-columns:1fr;}
  .topic-main{min-height:480px;}
  .topic-columns{display:grid;grid-template-columns:1fr 1fr;}
  .contact-grid{gap:50px;}
}
@media (max-width:768px){
  .nav-toggle{display:block;}
  .site-nav{position:absolute;top:64px;left:0;right:0;background:#0f2c23;flex-direction:column;align-items:stretch;padding:20px 24px 28px;display:none;box-shadow:0 16px 30px rgba(0,0,0,.18);}
  .site-header.nav-open .site-nav{display:flex;}
  .site-nav ul{flex-direction:column;align-items:flex-start;gap:6px;}
  .nav-item{width:100%;}
  .nav-item.is-active::after{display:none;}
  .nav-link{display:block;padding:10px 0;}
  .nav-actions{margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.16);}
  .section{padding:64px 0;}
  .hero-split{padding-top:24px;padding-bottom:50px;}
  .hero-title{font-size:38px;}
  .stage-head{grid-template-columns:1fr;gap:18px;}
  .stage-list{grid-template-columns:1fr;}
  .stage-item{min-height:auto;}
  .legal-quote .container{grid-template-columns:1fr;padding-top:36px;padding-bottom:36px;}
  .legal-quote .big{display:none;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .faq-nav-side{position:static;margin-bottom:10px;}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .contact-points{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr;gap:40px;}
  .footer-col ul{display:block;}
  .footer-bottom{flex-direction:column;}
  .footer-note{max-width:100%;}
}
@media (max-width:520px){
  .nav-row{gap:12px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-art{min-height:360px;}
  .section-head h2{font-size:28px;}
  .topic-main .topic-body{left:24px;right:24px;bottom:24px;}
  .topic-columns{grid-template-columns:1fr;}
  .tip-layout{grid-template-columns:1fr;gap:28px;}
  .contact-form{padding:22px;}
  .submit-btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --bg-page:#f7f3eb;
  --bg-white:#ffffff;
  --bg-soft:#eef1e8;
  --brand-deep:#123f35;
  --brand-main:#1d6b55;
  --brand-soft:#315f52;
  --accent-gold:#b18b55;
  --accent-light:#dcc9a4;
  --text-primary:#18221e;
  --text-secondary:#55605a;
  --border-line:#e4dfd3;
  --border-soft:#eee8dc;
  --shadow-card:0 6px 24px rgba(30,48,40,.06);
  --shadow-hover:0 10px 28px rgba(26,50,40,.12);
  --radius-card:16px;
  --radius-btn:999px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg-page);
  color:var(--text-primary);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:100%;line-height:1.5}
ul,ol{list-style:none}
section{scroll-margin-top:80px}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  font-weight:700;
  text-wrap:balance;
}
.body-hidden{display:none}
.container{width:min(var(--container),92vw);margin:0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;padding:0.85em 1.9em;border-radius:var(--radius-btn);
  font-weight:600;font-size:15px;line-height:1.4;
  color:var(--bg-white);background:var(--brand-deep);
  cursor:pointer;transition:transform .25s ease,background-color .25s ease,box-shadow .25s ease,color .25s ease;
}
.btn:hover{background:var(--accent-gold);color:#142018;transform:translateY(-2px);box-shadow:0 10px 22px rgba(20,32,28,.12)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:3px solid rgba(177,139,85,.55);outline-offset:2px}
.btn-ghost{
  background:transparent;color:#dbe5db;border:1px solid rgba(255,255,255,.55);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:#fff}
.btn-light{
  background:var(--bg-white);color:var(--brand-deep);
}
.btn-light:hover{background:var(--accent-gold);color:#122a22}

/* Header */
.site-header{
  position:sticky;top:0;z-index:120;
  height:64px;
  background:rgba(247,243,235,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-line);
}
.nav-row{height:64px;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-primary);font-family:var(--font-serif);font-weight:700;font-size:16px;letter-spacing:.03em;white-space:nowrap}
.brand-mark{position:relative;display:inline-block;width:25px;height:25px;flex:none}
.brand-mark i{position:absolute;display:block;background:var(--brand-main);transition:transform .25s ease}
.brand-mark i:nth-child(1){width:22px;height:3px;top:4px;left:0;border-radius:2px}
.brand-mark i:nth-child(2){width:13px;height:3px;top:11px;right:0;border-radius:2px}
.brand-mark i:nth-child(3){width:17px;height:3px;top:18px;left:2px;border-radius:2px}
.brand:hover .brand-mark i:nth-child(2){transform:translateX(4px)}
.brand-name{font-size:16px}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border:1px solid var(--border-line);
  background:transparent;border-radius:12px;cursor:pointer;
  position:relative;z-index:30;
}
.nav-toggle span{position:absolute;width:20px;height:2px;background:var(--text-primary);left:11px;top:50%;transform:translateY(-50%);transition:all .25s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--text-primary);transition:all .25s ease}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.open span::after{top:0;transform:rotate(-45deg)}
.site-nav{display:flex;align-items:center;flex:1;gap:24px;margin-left:auto}
.site-nav>ul{display:flex;align-items:center;gap:30px}
.nav-link{
  font-size:14px;color:var(--text-secondary);
  padding:20px 0;border-bottom:2px solid transparent;
  transition:color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-main)}
.nav-item.is-active .nav-link{color:var(--text-primary);border-bottom-color:var(--accent-gold);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 20px;border-radius:999px;
  background:var(--brand-deep);color:#fff;
  font-size:14px;font-weight:600;
  transition:background-color .25s ease,color .25s ease,transform .25s ease;
}
.nav-cta:hover{background:var(--accent-gold);color:#1a2a22;transform:translateY(-1px)}

/* Hero */
.hero-cat{
  position:relative;
  background:#12332c;
  background-image:
    linear-gradient(99deg,rgba(9,48,39,.58) 0%,rgba(13,60,49,.2) 62%,rgba(16,41,36,.42) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center 30%;
  color:#f6efe2;
  overflow:hidden;
  padding-bottom:0;
}
.hero-cat::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(110deg,#11352d 0%,rgba(18,60,50,.55) 46%,transparent 76%);
  z-index:1;
}
.hero-cat .container{position:relative;z-index:2;display:grid;grid-template-columns:1fr 320px;gap:80px;padding-top:86px;padding-bottom:0}
.hero-copy{padding-bottom:70px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 14px 6px 9px;
  border:1px solid rgba(214,222,207,.32);
  border-radius:999px;
  font-size:13px;letter-spacing:.12em;color:#c8d9d1;
  background:rgba(255,255,255,.04);
  margin-bottom:26px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;background:var(--accent-gold);border-radius:50%}
.hero-title{
  max-width:620px;
  font-size:64px;font-weight:700;line-height:1.14;letter-spacing:.02em;
  color:#fff;margin-bottom:20px;
}
.hero-title em{font-style:normal;color:#d7b989}
.hero-desc{
  max-width:520px;font-size:16px;line-height:1.9;color:#d3dfd6;
  margin-bottom:30px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;
  font-size:13px;color:#b9c9bf;margin-bottom:38px;
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent-gold)}
.hero-actions{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.hero-note{
  width:320px;border-left:1px solid rgba(255,255,255,.22);
  padding:0 0 32px 28px;
  display:flex;flex-direction:column;justify-content:flex-end;color:#dfe4d9;
}
.hero-note .hero-symbol{
  font-family:var(--font-serif);
  font-size:83px;line-height:1;color:rgba(220,222,200,.12);
  margin-bottom:22px;user-select:none;
}
.hero-note p{font-size:13px;line-height:2;color:#c1d0c4}
.tagline-highlight{color:#e3c18a;font-weight:600}

/* quick anchors */
.quick-anchor{
  background:#0f2d27;border-top:1px solid rgba(255,255,255,.09);
  padding:0;
}
.quick-anchor .container{display:flex;flex-wrap:wrap;gap:10px 18px;padding-top:14px;padding-bottom:14px}
.quick-anchor a{
  display:inline-block;padding:7px 2px;font-size:13px;color:#bcc9c0;
  border-bottom:1px solid transparent;
  transition:color .25s ease,border-color .25s ease;
}
.quick-anchor a:hover{color:#fff;border-color:var(--accent-gold)}
.quick-anchor span{color:#82663e;margin-right:8px}

/* section */
.section{padding:96px 0}
.section-soft{background:var(--bg-white)}
.section-head{max-width:820px;margin-bottom:52px}
.section-eyebrow{
  font-size:13px;letter-spacing:.16em;color:var(--accent-gold);
  display:flex;align-items:center;gap:12px;margin-bottom:16px;
}
.section-eyebrow::before{content:"";width:34px;height:2px;background:var(--accent-gold)}
.section-title{font-size:34px;line-height:1.35;color:var(--text-primary);font-weight:700}
.section-desc{margin-top:14px;font-size:15px;color:var(--text-secondary);line-height:1.95;max-width:720px}

/* intro */
.intro-block{overflow:hidden;background:var(--bg-white)}
.intro-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:60px;align-items:center}
.intro-lead p{font-size:18px;line-height:2;color:#25312b;font-family:var(--font-serif)}
.intro-lead p+p{margin-top:18px}
.intro-lead strong{color:var(--brand-main);font-weight:700}
.intro-side{
  padding:20px;border-left:3px solid var(--accent-light);
  background:var(--bg-soft);
}
.intro-side div{font-family:var(--font-serif);font-size:18px;line-height:2;color:#29362f;padding-left:14px;border-left:2px solid var(--accent-gold)}
.intro-side p{margin-top:12px;padding-left:16px;font-size:14px;color:var(--text-secondary)}

/* metric strip */
.metric-strip{border-top:1px solid var(--border-line);border-bottom:1px solid var(--border-line);background:var(--bg-white)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric-item{
  padding:30px 18px;
  border-right:1px solid var(--border-line);
}
.metric-item:last-child{border-right:0}
.metric-item .metric-no{
  font-family:Georgia,serif;font-size:16px;letter-spacing:.06em;color:var(--accent-gold);display:block;margin-bottom:12px;
}
.metric-item h3{font-size:20px;font-family:var(--font-sans);font-weight:600;margin-bottom:8px}
.metric-item p{font-size:13px;line-height:1.8;color:var(--text-secondary)}

/* topics */
.topic-body{padding:96px 0;background:var(--bg-soft)}
.topic-row{
  background:var(--bg-white);border:1px solid var(--border-soft);border-left:4px solid transparent;
  border-radius:14px;
  padding:34px 36px 30px;
  display:grid;grid-template-columns:46px 1.35fr 1.6fr 70px;
  gap:30px;align-items:start;
  transition:border-color .28s ease,box-shadow .28s ease,transform .28s ease;
  margin-bottom:16px;
}
.topic-row:hover{border-left-color:var(--accent-gold);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.topic-row .topic-num{font-family:Georgia,serif;font-size:22px;line-height:1.5;color:var(--accent-gold)}
.topic-row h3{font-size:22px;font-weight:700;margin:0 0 8px;line-height:1.5}
.topic-row h3 span{display:block;font-family:var(--font-sans);font-size:13px;font-weight:500;color:var(--text-secondary);margin-top:6px}
.topic-row p{font-size:14px;color:var(--text-secondary);line-height:1.95}
.topic-row .topic-more{text-align:right;font-size:28px;color:var(--border-line);transition:color .25s ease,transform .25s ease;line-height:1.3}
.topic-row:hover .topic-more{color:var(--accent-gold);transform:translateX(5px)}

/* perspective images */
.perspective{background:var(--bg-white);padding:104px 0}
.persp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.persp-card{
  background:var(--bg-page);
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--border-soft);
  transition:box-shadow .3s ease,transform .3s ease;
}
.persp-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.persp-media{position:relative;overflow:hidden;aspect-ratio:4/3}
.persp-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.persp-card:hover .persp-media img{transform:scale(1.03)}
.persp-media::after{content:"";position:absolute;inset:auto 0 0 0;height:4px;background:var(--accent-gold);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.persp-card:hover .persp-media::after{transform:scaleX(1)}
.persp-info{padding:28px 26px 30px}
.persp-tag{
  display:inline-block;font-size:12px;color:var(--brand-main);background:rgba(29,107,85,.09);
  border-radius:4px;padding:3px 9px;margin-bottom:14px;letter-spacing:.05em;
}
.persp-info h3{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--text-primary)}
.persp-info p{font-size:14px;color:var(--text-secondary);line-height:1.95}

/* paths */
.path-block{background:#12362e;color:#e9efe5;position:relative;overflow:hidden;padding:104px 0}
.path-block::after{content:"合规";position:absolute;right:-20px;top:-10px;font-family:var(--font-serif);font-size:200px;color:rgba(255,255,255,.03);line-height:1;user-select:none;pointer-events:none}
.path-header{position:relative;z-index:2;max-width:680px;margin-bottom:56px;color:#eff3e8}
.path-header .section-eyebrow{color:#c8a775}
.path-header .section-eyebrow::before{background:#c8a775}
.path-header h2{font-size:32px;line-height:1.4;color:#fff}
.path-header p{color:#c5d4cb;font-size:15px;margin-top:12px}
.path-list{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:path}
.path-item{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  border-radius:16px;padding:30px 24px 28px;
  position:relative;
}
.path-item::before{
  counter-increment:path;content:"0" counter(path);
  font-size:13px;letter-spacing:.14em;color:#c8a775;
  display:block;margin-bottom:24px;
  border-bottom:1px solid rgba(255,255,255,.14);
  padding-bottom:10px;
}
.path-item h3{font-size:19px;color:#f5f1e5;margin-bottom:10px}
.path-item p{font-size:13px;color:#bdcdc2;line-height:1.9}

/* CTA */
.contact-block{padding:100px 0;background:var(--bg-page)}
.contact-wrap{
  max-width:1000px;margin:0 auto;
  background:var(--bg-white);
  border-radius:24px;
  box-shadow:var(--shadow-card);
  border-top:4px solid var(--accent-gold);
  padding:52px;
  display:grid;grid-template-columns:1fr 1fr;gap:52px;
}
.contact-intro h2{font-size:30px;line-height:1.35;margin-bottom:14px}
.contact-intro>p{font-size:14px;color:var(--text-secondary);line-height:1.9;margin-bottom:28px}
.contact-list{display:grid;gap:18px}
.contact-list li{
  display:flex;gap:14px;align-items:flex-start;
  font-size:14px;color:#2c3a33;line-height:1.8;
}
.contact-list li i{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:rgba(177,139,85,.15);color:#856b38;
  font-style:normal;font-size:12px;text-align:center;line-height:26px;
  margin-top:4px;
}
.lead-form{display:grid;gap:18px}
.field label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:5px;letter-spacing:.03em}
.field input,.field select,.field textarea{
  width:100%;border:0;border-bottom:1px solid #d8d3c6;
  background:#f9f7f1;border-radius:6px;
  padding:12px 14px;color:var(--text-primary);
  transition:border-color .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9aa29a 50%),linear-gradient(135deg,#9aa29a 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-repeat:no-repeat;background-size:5px 5px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-bottom:2px solid var(--brand-main);
  background:#f8faf5;box-shadow:0 2px 0 rgba(177,139,85,.24);
}
.lead-form .btn{width:auto;justify-content:center;width:100%}
.form-privacy{font-size:12px;color:#8c958d;line-height:1.8}
.form-note{font-size:13px;color:var(--accent-gold);display:none;background:#fbf4e8;border-radius:8px;padding:12px 14px;line-height:1.8}
.form-note.show{display:block}

/* FAQ */
.faq-block{background:var(--bg-white);padding:96px 0}
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:64px}
.faq-layout .section-eyebrow{margin-top:8px}
.faq-layout h2{font-size:30px;line-height:1.4;margin-bottom:14px}
.faq-layout>div>p{font-size:14px;color:var(--text-secondary);line-height:1.95}
.faq-list{width:100%}
.faq-item{border-top:1px solid var(--border-line);padding:0}
.faq-item:last-child{border-bottom:1px solid var(--border-line)}
.faq-q{
  width:100%;background:transparent;border:0;
  text-align:left;font-size:16px;font-weight:600;
  color:var(--text-primary);padding:24px 40px 24px 2px;
  cursor:pointer;position:relative;
  transition:color .25s ease;
}
.faq-q::after,.faq-q::before{
  content:"";position:absolute;right:0;top:50%;
  width:18px;height:2px;background:#858e87;transform:translateY(-50%);
  transition:transform .3s ease,background-color .25s ease;
}
.faq-q::after{transform:translateY(-50%) rotate(90deg)}
.faq-q:hover{color:var(--brand-main)}
.faq-q:hover::before,.faq-q:hover::after{background:var(--accent-gold)}
.faq-item.open .faq-q{color:var(--brand-main)}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(0deg);opacity:0}
.faq-item.open .faq-q::before{background:var(--accent-gold)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease-out}
.faq-a p{padding:0 40px 24px 2px;font-size:15px;color:var(--text-secondary);line-height:2}
.faq-more{margin-top:30px;font-size:13px}
.faq-more a{color:var(--brand-main);border-bottom:1px solid var(--accent-light);transition:color .25s ease,border-color .25s ease}
.faq-more a:hover{color:var(--accent-gold);border-color:var(--accent-gold)}

/* Footer */
.site-footer{
  background:#0f2a24;color:#c2d1c6;
  padding:40px 0 0;
  position:relative;overflow:hidden;
}
.site-footer .watermark{
  position:absolute;right:-12px;bottom:-64px;font-family:var(--font-serif);
  font-size:150px;color:rgba(255,255,255,.025);pointer-events:none;line-height:1;user-select:none;
}
.site-footer .container{position:relative;z-index:2}
.footer-main{
  border-bottom:1px solid rgba(255,255,255,.12);
  padding:54px 0 44px;
  display:grid;grid-template-columns:2fr 1fr 1.25fr;gap:52px;
}
.site-footer .brand{color:#e8efe6}
.site-footer .brand-mark i{background:#c8a775}
.footer-note{font-size:14px;line-height:2;color:#9ab1a3;max-width:420px;margin-top:18px}
.footer-col h4{font-size:15px;color:#e0e9de;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col li a{font-size:13px;color:#8fa497;transition:color .25s ease;display:inline-block}
.footer-col li a:hover{color:#d7b989}
.footer-col .col-meta{margin-top:12px;font-size:13px;color:#6d8578;line-height:1.8}
.footer-bottom{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:24px 0 26px;font-size:13px;color:#718d7e;
}
.footer-bottom a{color:#9ec5b1;transition:color .25s ease}
.footer-bottom a:hover{color:#d7b989}

/* responsive */
@media(max-width:1150px){
  .intro-grid{gap:36px}
  .tops-row{grid-template-columns:46px 1.1fr 1.4fr 60px;gap:20px;padding:28px}
}
@media(max-width:1024px){
  .section{padding:80px 0}
  .hero-title{font-size:52px}
  .hero-cat .container{grid-template-columns:1fr;gap:28px;padding-top:76px}
  .hero-note{width:100%;border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.15);padding-top:20px;flex-direction:row;gap:20px;align-items:center;margin-bottom:44px}
  .hero-note .hero-symbol{margin-bottom:0;font-size:48px}
  .hero-note p{max-width:420px}
  .persp-grid{grid-template-columns:repeat(2,1fr)}
  .path-list{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .contact-wrap{display:block}
  .contact-intro{margin-bottom:42px}
  .footer-main{gap:34px}
}
@media(max-width:860px){
  :root{--container:94vw}
  .site-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    display:block;z-index:110;
    background:var(--bg-page);padding:24px 4%;
    overflow-y:auto;
    transform:translateX(105%);
    transition:transform .35s ease;
    border-top:1px solid var(--border-line);
  }
  .site-nav.open{transform:translateX(0)}
  .site-nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .site-nav .nav-link{display:block;padding:15px 0;border-bottom:1px solid var(--border-line);font-size:15px}
  .nav-item.is-active .nav-link{border-bottom-color:var(--border-line)}
  .nav-actions{display:block;margin:20px 0 0}
  .nav-toggle{display:block}
  .nav-row{gap:16px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .metric-item:nth-child(2){border-right:0}
  .metric-item:nth-child(3),.metric-item:nth-child(4){border-top:1px solid var(--border-line)}
  .topic-row{grid-template-columns:36px 1fr 44px;gap:16px;padding:26px}
  .topic-row p{grid-column:2/4}
  .topic-row .topic-num,.topic-row .topic-more{grid-row:1}
  .footer-main{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .intro-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .section{padding:64px 0}
  .hero-title{font-size:38px}
  .hero-desc{font-size:15px}
  .section-title{font-size:28px;line-height:1.4}
  .quick-anchor .container{gap:6px 10px}
  .quick-anchor a{font-size:12px}
  .metric-grid{grid-template-columns:1fr}
  .metric-item{border-right:0;border-bottom:1px solid var(--border-line);padding:24px 8px}
  .metric-item:nth-child(2),.metric-item:nth-child(3){border-top:0}
  .metric-item:last-child{border-bottom:0}
  .topic-row{grid-template-columns:30px 1fr 30px;padding:22px 16px}
  .topic-row h3{font-size:18px}
  .topic-row p{grid-column:1/4;font-size:13px}
  .topic-num{font-size:18px}
  .topic-more{font-size:22px}
  .persp-grid{grid-template-columns:1fr}
  .path-list{grid-template-columns:1fr;gap:16px}
  .path-block{padding:72px 0}
  .contact-wrap{padding:34px 22px;border-radius:16px}
  .btn{padding:0.85em 1.5em;width:100%}
  .hero-actions .btn{width:100%}
  .hero-note{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:15px;padding:20px 34px 18px 0}
  .faq-a p{font-size:14px;padding-right:20px}
  .footer-main{grid-template-columns:1fr;gap:34px;padding:40px 0 34px}
  .footer-bottom{flex-direction:column;gap:8px}
  .footer-note{font-size:13px}
  .nav-cta{width:100%;justify-content:center}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  img{transition:none!important}
}