/* roulang page: index */
:root {
  --bg: #F3F0E8;
  --bg-deep: #EDE9DF;
  --surface: #FFFFFF;
  --ink: #1C2A25;
  --muted: #6F7A73;
  --line: #E4DDD0;
  --line-deep: #D5CCBB;
  --deep: #102F26;
  --deep-2: #0D291F;
  --deep-soft: #1B4336;
  --gold: #C4A05C;
  --gold-deep: #A9843F;
  --gold-pale: #E6D9C0;
  --success: #5F7B54;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 1px 0 rgba(28,42,37,0.04), 0 18px 48px rgba(28,42,37,0.06);
  --shadow-hover: 0 2px 0 rgba(28,42,37,0.04), 0 24px 64px rgba(28,42,37,0.10);
  --container: 1240px;
  --space-section: clamp(72px, 9vw, 128px);
  --header-h: 76px;
  --font-head: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  min-height: 100vh;
}

body.nav-open {
  overflow: hidden;
}

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

ul, ol {
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
  border: 0;
}

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

button, input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: clamp(20px, 4vw, 48px);
  padding-right: clamp(20px, 4vw, 48px);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  min-height: var(--header-h);
  transition: background .25s ease, border-color .25s ease, color .25s ease;
  border-bottom: 1px solid transparent;
}

.site-header .container {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-header.is-scrolled {
  background: rgba(247, 244, 236, .96);
  border-bottom-color: rgba(28, 42, 37, .09);
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: #F4F1E9;
}

.site-brand .brand-seal {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(244, 241, 233, .55);
  font-weight: 900;
  font-size: 20px;
  border-radius: 50%;
  background: rgba(16, 47, 38, .32);
}

.site-brand .brand-name {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .02em;
}

.site-header.is-scrolled .site-brand {
  color: var(--ink);
}

.site-header.is-scrolled .brand-seal {
  border-color: rgba(28, 42, 37, .28);
  background: transparent;
}

.site-nav {
  display: flex;
  align-items: center;
  transition: opacity .25s ease;
}

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

.nav-links > li {
  position: relative;
}

.nav-links > li > a,
.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 12px;
  border-radius: 6px;
  color: rgba(255, 255, 255, .92);
  font-weight: 500;
  font-size: 15px;
  transition: color .2s ease, background .2s ease;
}

.site-header.is-scrolled .nav-links > li > a,
.site-header.is-scrolled .nav-trigger {
  color: var(--ink);
}

.nav-links > li > a:hover,
.nav-links > li > a:focus-visible,
.nav-trigger:hover,
.nav-trigger:focus-visible {
  background: rgba(255, 255, 255, .12);
  color: #FFFFFF;
}

.site-header.is-scrolled .nav-links > li > a:hover,
.site-header.is-scrolled .nav-links > li > a:focus-visible,
.site-header.is-scrolled .nav-trigger:hover,
.site-header.is-scrolled .nav-trigger:focus-visible {
  background: rgba(16, 47, 38, .06);
  color: var(--ink);
}

.nav-trigger {
  background: none;
  font-weight: 600;
}

.nav-trigger svg,
.drop-arrow {
  width: 13px;
  height: 13px;
  transition: transform .2s ease;
}

.has-dropdown:hover .drop-arrow {
  transform: rotate(180deg);
}

.dropdown-content {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 224px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-card);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}

.has-dropdown:hover .dropdown-content,
.has-dropdown:focus-within .dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-content a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
}

.dropdown-content a:hover,
.dropdown-content a:focus-visible {
  background: #F4F0E7;
}

.dropdown-content a small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.nav-cta {
  flex: 0 0 auto;
  margin-left: 12px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--gold);
  color: #142E26;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.3;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  text-align: center;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: #D5B67C;
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.28);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.site-header.is-scrolled .nav-toggle {
  border-color: rgba(28,42,37,.22);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: #FFFFFF;
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease, background .2s ease;
}

.site-header.is-scrolled .nav-toggle span {
  background: var(--ink);
}

body.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  background: var(--deep);
  color: #F4F1E9;
  position: relative;
  overflow: hidden;
}

.hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 20%, rgba(196,160,92,.13), transparent 38%);
  pointer-events: none;
}

.hero .container {
  min-height: 100svh;
  padding-top: calc(var(--header-h) + 32px);
  padding-bottom: 56px;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: .18em;
  font-weight: 600;
}

.eyebrow:before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--gold);
  display: inline-block;
}

.hero h1 {
  font-size: clamp(58px, 6.8vw, 92px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #F9F6EE;
  margin-bottom: 24px;
  max-width: 8em;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(244,241,233,.82);
  max-width: 46ch;
  margin-bottom: 32px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}

.btn-gold {
  background: var(--gold);
  color: #102E24;
}

.btn-gold:hover,
.btn-gold:focus-visible {
  background: #D3B16F;
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--deep);
  color: #F4F1E9;
}

.btn-dark:hover,
.btn-dark:focus-visible {
  background: #1B4237;
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(244,241,233,.65);
  color: #F4F1E9;
}

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
  border-color: var(--gold);
  color: #F4F1E9;
  background: rgba(255,255,255,.05);
}

.link-light {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(244,241,233,.9);
  font-weight: 500;
  border-bottom: 1px solid rgba(244,241,233,.34);
  padding-bottom: 3px;
  transition: border-color .2s ease, color .2s ease;
}

.link-light:hover,
.link-light:focus-visible {
  color: #FFFFFF;
  border-bottom-color: var(--gold);
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 9px;
  color: rgba(244,241,233,.56);
  font-size: 13px;
}

.hero-note .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  display: inline-block;
}

.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-visual:after {
  content: "";
  position: absolute;
  top: 26px;
  left: 26px;
  right: -14px;
  bottom: -14px;
  border: 1px solid rgba(196,160,92,.4);
  border-radius: 12px;
  z-index: -1;
}

.hero-image-wrap {
  background: #0B261E;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 14px;
  overflow: hidden;
}

.hero-image-wrap img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

.hero-image-meta {
  position: absolute;
  left: 24px;
  bottom: 24px;
  background: #F6F2E9;
  color: var(--ink);
  border-radius: 10px;
  padding: 14px 18px;
  box-shadow: 0 12px 32px rgba(0,0,0,.18);
  font-size: 14px;
  line-height: 1.6;
}

.hero-image-meta strong {
  display: block;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 4px;
}

.mfp-mask {
  position: absolute;
  inset: 0;
  visibility: hidden;
}

.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.section-head {
  margin-bottom: 64px;
}

.section-head h2,
.split-title h2 {
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -0.015em;
  margin-bottom: 18px;
  color: var(--ink);
}

.section-head .lead {
  max-width: 66ch;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.section-head-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 40px;
}

.features-section {
  background: var(--bg);
}

.features-list {
  border-top: 1px solid var(--line);
}

.feature-row {
  display: grid;
  grid-template-columns: 130px .9fr 1.15fr auto;
  align-items: center;
  gap: 36px;
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
  transition: background .2s ease;
}

.feature-num {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 48px;
  font-weight: 400;
  color: var(--gold-deep);
  letter-spacing: .02em;
}

.feature-row h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
  letter-spacing: .01em;
}

.feature-row p {
  color: var(--muted);
  max-width: 30em;
}

.feature-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: color .2s ease;
}

.feature-more:hover,
.feature-more:focus-visible {
  color: var(--gold-deep);
}

.feature-more span {
  transition: transform .2s ease;
}

.feature-more:hover span {
  transform: translateX(4px);
}

.showcase-section {
  background: var(--bg-deep);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: clamp(36px, 6vw, 104px);
  align-items: center;
}

.showcase-media {
  position: relative;
}

.showcase-window {
  background: #FFFFFF;
  border: 1px solid #E0D7C7;
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: #FBF8F2;
}

.window-bar i {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #D7D0C2;
}

.window-bar span {
  margin-left: 8px;
  color: var(--muted);
  font-size: 12px;
}

.showcase-window img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.showcase-tag {
  position: absolute;
  bottom: -18px;
  right: 14px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 13px;
  box-shadow: var(--shadow-card);
  color: var(--ink);
}

.showcase-tag strong {
  display: block;
  font-size: 16px;
  color: var(--deep);
}

.showcase-copy .eyebrow {
  color: var(--gold-deep);
}

.step-list {
  margin-top: 30px;
}

.step-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  counter-increment: step;
}

.step-item:last-child {
  border-bottom: none;
}

.step-item .step-count {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  line-height: 1;
  color: var(--gold-deep);
  padding-top: 4px;
}

.step-item strong {
  display: block;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 6px;
}

.step-item p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 32em;
}

.proof-section {
  background: var(--deep);
  color: #F4F1E9;
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.proof-section .eyebrow {
  color: var(--gold);
}

.proof-intro {
  max-width: 58ch;
  color: rgba(244,241,233,.82);
  font-size: 18px;
  line-height: 1.9;
  margin-bottom: 56px;
  border-left: 4px solid var(--gold);
  padding-left: 22px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 72px;
}

.proof-item {
  border-top: 1px solid rgba(244,241,233,.16);
  padding-top: 24px;
}

.proof-num {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--gold);
  font-size: clamp(44px, 5vw, 68px);
  line-height: 1.1;
  letter-spacing: .01em;
  margin-bottom: 8px;
}

.proof-item p {
  color: rgba(244,241,233,.74);
  font-size: 15px;
  letter-spacing: .04em;
}

.pricing-section {
  background: var(--bg);
}

.pricing-layout {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: clamp(40px, 5vw, 96px);
  align-items: center;
}

.pricing-note {
  color: var(--muted);
  margin-top: 18px;
  margin-bottom: 26px;
  max-width: 30em;
}

.pricing-side-list {
  display: grid;
  gap: 14px;
}

.side-plan {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  box-shadow: 0 1px 0 rgba(28,42,37,.03);
}

.side-plan div strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 2px;
}

.side-plan div small {
  color: var(--muted);
  font-size: 13px;
}

.side-plan .side-price {
  color: var(--gold-deep);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.feature-plan {
  position: relative;
  background: #FFFFFF;
  border: 1px solid #DCCfBd;
  border-top: 4px solid var(--gold);
  border-radius: 14px;
  padding: 34px 34px 30px;
  box-shadow: var(--shadow-card);
}

.plan-kicker {
  display: inline-block;
  background: #F7F2E9;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  color: var(--gold-deep);
  font-size: 12px;
  letter-spacing: .08em;
  font-weight: 700;
  margin-bottom: 18px;
}

.feature-plan h3 {
  font-size: 26px;
  font-weight: 900;
  margin-bottom: 6px;
}

.feature-plan > p {
  color: var(--muted);
  max-width: 34em;
  margin-bottom: 20px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 22px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.plan-price .price-num {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 40px;
  line-height: 1;
  color: var(--ink);
  font-weight: 600;
}

.plan-price span {
  color: var(--muted);
  font-size: 13px;
}

.check-list {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}

.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--ink);
  font-size: 14px;
}

.check-list li:before {
  content: "✓";
  color: var(--gold-deep);
  font-weight: 800;
}

.news-section {
  background: var(--bg-deep);
}

.news-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 44px;
}

.news-head .eyebrow {
  margin-bottom: 14px;
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 600;
  border-bottom: 1px solid var(--line-deep);
  padding-bottom: 4px;
  white-space: nowrap;
}

.section-link:hover {
  border-color: var(--gold);
}

.news-layout {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
}

.news-feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 34px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.news-feature .chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #F7F4ED;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 13px;
  color: var(--deep);
  font-size: 12px;
  font-weight: 600;
}

.news-feature h3 {
  font-size: 28px;
  line-height: 1.45;
  font-weight: 900;
  margin-bottom: 16px;
}

.news-feature p {
  color: var(--muted);
  font-size: 15px;
  max-width: 38em;
  margin-bottom: 24px;
}

.news-feature time {
  margin-top: auto;
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.news-feature a.news-link {
  margin-top: 12px;
  align-self: flex-start;
}

.news-list {
  display: grid;
  gap: 14px;
}

.news-mini {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px 24px;
  transition: transform .2s ease, box-shadow .2s ease;
}

.news-mini:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.news-mini .chip {
  align-self: flex-start;
}

.news-mini h3 {
  font-size: 17px;
  line-height: 1.6;
  font-weight: 800;
}

.news-mini .news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.news-mini time {
  font-weight: 400;
}

.news-mini span {
  color: var(--gold-deep);
  font-weight: 600;
}

.news-empty {
  border: 1px dashed var(--line-deep);
  border-radius: 14px;
  background: var(--surface);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  text-align: center;
  color: var(--muted);
  padding: 30px;
}

.faq-section {
  background: var(--bg);
}

.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.faq-wrap .section-head {
  text-align: center;
}

.faq-wrap .eyebrow {
  justify-content: center;
}

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

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

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 8px;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  outline: none;
  transition: color .2s ease;
}

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

.faq-item summary:hover,
.faq-item summary:focus-visible {
  color: var(--gold-deep);
}

.faq-icon {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-deep);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-deep);
  font-size: 22px;
  font-weight: 300;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--gold);
  border-color: var(--gold);
  color: #FFFFFF;
}

.faq-answer {
  padding: 0 8px 28px;
  max-width: 75ch;
  color: var(--muted);
}

.cta-section {
  padding-top: var(--space-section);
  padding-bottom: calc(var(--space-section) * .8);
  background: var(--bg);
}

.cta-band {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(30px, 5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.cta-band:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--gold);
}

.cta-band h2 {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.4;
  font-weight: 900;
  margin-bottom: 8px;
}

.cta-band p {
  color: var(--muted);
  max-width: 42em;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  flex: 0 0 auto;
}

.site-footer {
  background: var(--deep);
  color: rgba(244,241,233,.85);
  padding-top: 72px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.09);
}

.footer-brand .site-brand {
  color: #F4F1E9;
  margin-bottom: 16px;
}

.footer-brand .brand-seal {
  border-color: rgba(244,241,233,.34);
}

.footer-brand p {
  font-size: 14px;
  color: rgba(244,241,233,.65);
  max-width: 34em;
  margin-top: 12px;
}

.footer-sub-title {
  color: #F4F1E9;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 16px;
}

.footer-sub-title span {
  display: block;
  width: 16px;
  height: 3px;
  background: var(--gold);
  margin-top: 8px;
  border-radius: 3px;
}

.footer-links {
  display: grid;
  gap: 11px;
  font-size: 14px;
}

.footer-links a {
  color: rgba(244,241,233,.72);
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-contact {
  display: grid;
  gap: 12px;
  font-size: 14px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(244,241,233,.72);
}

.footer-contact li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  flex: 0 0 auto;
}

.footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  color: rgba(244,241,233,.48);
  font-size: 13px;
}

.footer-bar a {
  color: rgba(244,241,233,.72);
}

.footer-bar a:hover {
  color: #FFFFFF;
}

.float-cta {
  position: fixed;
  right: 22px;
  bottom: 24px;
  z-index: 65;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--gold);
  color: #102E24;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 14px 40px rgba(16,47,38,.24);
  transition: transform .25s ease, background .25s ease;
}

.float-cta:hover,
.float-cta:focus-visible {
  transform: translateY(-3px);
  background: #D5B67C;
}

.float-cta .arrow {
  width: 18px;
  height: 18px;
}

.section-anchor {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

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

@media (max-width: 1100px) {
  .feature-row {
    grid-template-columns: 90px 1fr 1.2fr;
  }

  .feature-row .btn {
    grid-column: 2 / -1;
  }
}

@media (max-width: 991px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #F7F4ED;
    flex-direction: column;
    align-items: stretch;
    max-height: 0;
    overflow: hidden;
    border-bottom: 1px solid transparent;
    transition: max-height .3s ease, border-color .3s ease;
  }

  body.nav-open .site-nav {
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    border-bottom-color: var(--line);
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    padding: 22px 24px 16px;
    gap: 4px;
  }

  .nav-links > li > a,
  .nav-trigger {
    color: var(--ink);
    justify-content: space-between;
    padding: 14px 12px;
    border-radius: 8px;
    border-bottom: 1px solid #F0EAE0;
  }

  .nav-links > li > a:hover,
  .nav-trigger:hover {
    background: rgba(16,47,38,.05);
    color: var(--ink);
  }

  .dropdown-content {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    border-radius: 0;
    border: none;
    padding: 4px 8px 12px 24px;
    background: transparent;
    display: grid;
    gap: 0;
  }

  .dropdown-content a {
    padding: 10px 8px;
    color: var(--ink);
    font-size: 14px;
  }

  .dropdown-content a:hover {
    background: rgba(16,47,38,.04);
  }

  .nav-cta {
    margin: 6px 24px 26px;
    text-align: center;
    padding: 14px 24px;
    background: var(--deep);
    color: #FFFFFF;
  }

  .hero .container {
    grid-template-columns: 1fr;
    padding-top: calc(var(--header-h) + 44px);
    padding-bottom: 40px;
  }

  .hero h1 {
    font-size: clamp(54px, 9vw, 82px);
  }

  .hero-visual {
    max-width: 620px;
  }

  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .showcase-copy {
    order: -1;
  }

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

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 767px) {
  :root {
    --space-section: 72px;
  }

  body {
    font-size: 15px;
  }

  .section-head-row {
    grid-template-columns: 1fr;
  }

  .eyebrow {
    font-size: 12px;
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 66px);
    line-height: 1.18;
  }

  .hero-sub {
    font-size: 15px;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .feature-row {
    grid-template-columns: 44px 1fr;
    gap: 18px;
    padding: 30px 0;
  }

  .feature-num {
    font-size: 36px;
  }

  .feature-row h3 {
    font-size: 19px;
  }

  .feature-row p {
    grid-column: 1 / -1;
  }

  .feature-row .feature-more {
    grid-column: 2;
  }

  .proof-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .proof-intro {
    font-size: 16px;
  }

  .pricing-side-list {
    grid-template-columns: 1fr;
  }

  .news-feature {
    padding: 24px;
  }

  .news-feature h3 {
    font-size: 22px;
  }

  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    margin-top: 8px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 20px;
  }

  .footer-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .float-cta {
    right: 16px;
    bottom: 16px;
    padding: 11px 16px;
  }
}

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

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

/* roulang page: article */
:root{
  --paper:#F6F4ED;
  --paper-2:#F2EFE6;
  --cream:#EFE9DB;
  --green:#102E24;
  --green-deep:#0A2119;
  --green-soft:#1C4A3A;
  --gold:#C6A15B;
  --gold-soft:#D9BC83;
  --ink:#1E2B26;
  --muted:#6F7A73;
  --line:#E3DDD0;
  --white:#FFFFFF;
  --error:#A6534B;
  --radius:8px;
  --radius-lg:12px;
  --shadow-sm:0 1px 0 rgba(30,43,38,.04),0 12px 40px rgba(16,46,36,.06);
  --shadow-md:0 16px 60px rgba(16,46,36,.10);
  --container:1200px;
  --gutter:24px;
  --font:"Noto Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{
  width:min(var(--container),100% - var(--gutter)*2);
  margin-inline:auto;
}
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(246,244,237,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(227,221,208,.9);
  transition:background .35s ease,border-color .35s ease;
}
.site-header.is-scroll{
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
}
.site-header .container{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.site-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--green);
}
.brand-seal{
  width:40px;height:40px;
  display:grid;place-items:center;
  background:var(--green);
  color:var(--paper);
  font-size:20px;
  font-weight:800;
  border-radius:50%;
  letter-spacing:.02em;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
}
.brand-name{
  font-size:21px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.site-nav{display:flex;align-items:center;gap:32px}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-links > li{position:relative}
.nav-links a,
.nav-trigger{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:9px 12px;
  font-size:14.5px;
  font-weight:500;
  color:var(--green);
  border-radius:6px;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover,
.nav-trigger:hover{
  color:var(--green-deep);
  background:rgba(230,222,208,.70);
}
.nav-links a.active{
  color:var(--green-deep);
  font-weight:700;
  background:rgba(198,161,91,.15);
}
.drop-arrow{width:12px;height:12px;transition:transform .2s ease}
.has-dropdown.is-open .drop-arrow{transform:rotate(180deg)}
.dropdown-content{
  position:absolute;top:calc(100% + 8px);left:12px;
  min-width:238px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:10px;
  padding:8px;
  box-shadow:var(--shadow-sm);
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  z-index:100;
}
.has-dropdown:hover .dropdown-content,
.has-dropdown:focus-within .dropdown-content,
.has-dropdown.is-open .dropdown-content{
  opacity:1;visibility:visible;transform:translateY(0);
}
.dropdown-content a{
  display:flex;
  flex-direction:column;
  padding:12px 14px;
  border-radius:6px;
  color:var(--green);
  line-height:1.45;
}
.dropdown-content a:hover{background:var(--paper);color:var(--green-deep)}
.dropdown-content small{
  font-size:12px;
  color:var(--muted);
  margin-top:2px;
  font-weight:400;
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 22px;
  background:var(--green);
  color:var(--paper);
  font-size:14.5px;
  font-weight:600;
  border-radius:30px;
  white-space:nowrap;
  transition:background .25s ease,transform .2s ease,box-shadow .25s ease;
  box-shadow:0 8px 20px rgba(16,46,36,.18);
}
.nav-cta:hover{
  background:var(--green-deep);
  transform:translateY(-1px);
  box-shadow:0 10px 26px rgba(16,46,36,.22);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border-radius:8px;
  border:1px solid var(--line);
}
.nav-toggle span{
  width:18px;height:2px;
  background:var(--green);
  border-radius:2px;
  display:block;
  transition:transform .2s ease,opacity .2s ease;
}
/* Article hero */
.article-hero{
  position:relative;
  padding:78px 0 52px;
  background:
    radial-gradient(circle at 82% 18%, rgba(198,161,91,.07), transparent 36%),
    var(--paper);
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:34px;
  letter-spacing:.02em;
}
.breadcrumb a{color:var(--green);font-weight:500}
.breadcrumb a:hover{color:var(--gold);text-decoration:underline;text-underline-offset:4px}
.breadcrumb .crumb-sep{color:var(--line);font-weight:400}
.post-head-wrap{
  max-width:980px;
  margin-inline:auto;
  text-align:left;
}
.post-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--gold);
  text-transform:uppercase;
}
.post-eyebrow::before{
  content:"";
  width:28px;
  height:1px;
  background:var(--gold);
}
.article-hero h1{
  font-size:clamp(38px,6vw,72px);
  font-weight:900;
  line-height:1.18;
  letter-spacing:-.02em;
  color:var(--green-deep);
  max-width:18em;
  text-wrap:balance;
  margin-bottom:22px;
}
.post-lead{
  font-size:17px;
  line-height:1.9;
  color:var(--muted);
  max-width:640px;
  margin-bottom:28px;
}
.post-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 18px;
  font-size:13.5px;
  color:var(--muted);
  margin-top:20px;
}
.post-meta .divider{
  width:1px;height:12px;background:var(--line);
}
.post-category{
  display:inline-flex;
  align-items:center;
  padding:4px 14px;
  background:rgba(198,161,91,.13);
  border:1px solid rgba(198,161,91,.35);
  color:var(--green-deep);
  font-weight:600;
  font-size:12.5px;
  border-radius:30px;
  letter-spacing:.04em;
}
.post-source{
  color:var(--green);
  font-weight:600;
}
.post-image-wrap{
  position:relative;
  margin-top:52px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  background:var(--cream);
}
.post-image-wrap img{
  width:100%;
  height:min(420px,54vw);
  object-fit:cover;
}
.post-image-tag{
  position:absolute;
  left:22px;bottom:20px;
  display:inline-flex;
  align-items:center;
  background:rgba(10,33,25,.86);
  color:var(--gold-soft);
  font-size:12.5px;
  letter-spacing:.08em;
  padding:6px 15px;
  border-radius:30px;
  border:1px solid rgba(217,188,131,.22);
  backdrop-filter:blur(8px);
}
/* Article reading layout */
.article-layout{
  padding:68px 0 84px;
  background:var(--paper);
}
.article-content{
  max-width:760px;
  margin-inline:auto;
  font-size:16.5px;
  line-height:1.95;
  color:#26352f;
}
.article-content > * + *{margin-top:1.4em}
.article-content p{line-height:2;margin-bottom:1em}
.article-content h2{
  font-size:clamp(24px,3vw,32px);
  color:var(--green-deep);
  font-weight:800;
  line-height:1.4;
  margin-top:2.4em;
  margin-bottom:.7em;
  padding-bottom:.45em;
  border-bottom:1px solid var(--line);
}
.article-content h3{
  font-size:22px;
  color:var(--green);
  font-weight:700;
  margin-top:2em;
  margin-bottom:.6em;
}
.article-content a{
  color:var(--green);
  text-decoration:underline;
  text-decoration-color:rgba(198,161,91,.7);
  text-underline-offset:5px;
  transition:text-decoration-color .2s ease;
}
.article-content a:hover{color:var(--green-deep);text-decoration-color:var(--gold)}
.article-content blockquote{
  margin:2em 0;
  padding:20px 26px;
  border-left:3px solid var(--gold);
  background:rgba(198,161,91,.08);
  border-radius:0 10px 10px 0;
  color:var(--green-deep);
  font-size:17px;
  line-height:1.9;
}
.article-content ul,.article-content ol{padding-left:1.4em;margin:1.4em 0}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin:.55em 0;padding-left:.2em}
.article-content li::marker{color:var(--gold);font-weight:600}
.article-content img{
  border-radius:var(--radius);
  border:1px solid var(--line);
  margin:2em auto;
}
.article-content figure{
  margin:2.2em 0;
}
.article-content figure img{
  margin:0 auto;
}
.article-content figcaption{
  text-align:center;
  color:var(--muted);
  font-size:13.5px;
  padding-top:12px;
  letter-spacing:.02em;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:2em 0;
  font-size:15px;
  background:#fff;
  border-radius:6px;
  overflow:hidden;
  border:1px solid var(--line);
}
.article-content th{
  background:var(--green);
  color:#f4efe4;
  font-weight:600;
  padding:12px 14px;
  text-align:left;
}
.article-content td{
  padding:11px 14px;
  border-top:1px solid var(--line);
  color:var(--ink);
}
.article-content code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  background:#EDE9E1;
  color:#27423a;
  padding:2px 8px;
  border-radius:4px;
  font-size:14px;
}
.article-content hr{
  border:none;
  height:1px;
  background:var(--line);
  margin:3em 0;
}
/* empty state */
.empty-state{
  max-width:560px;
  margin:0 auto;
  padding:96px 24px;
  text-align:center;
  min-height:56vh;
}
.empty-mark{
  display:grid;
  place-items:center;
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:50%;
  background:var(--green);
  color:var(--gold-soft);
  font-size:24px;
  font-weight:800;
}
.empty-state h1{
  font-size:28px;
  color:var(--green-deep);
  margin-bottom:10px;
}
.empty-state p{color:var(--muted);margin-bottom:28px}
/* cta chips and related */
.post-footer{
  margin-top:50px;
  padding-top:18px;
  border-top:1px solid var(--line);
  max-width:760px;
  margin-inline:auto;
  display:flex;
  justify-content:center;
}
.related-module{
  background:var(--paper-2);
  border-top:1px solid var(--line);
  padding:74px 0 84px;
}
.related-header{
  text-align:center;
  margin-bottom:44px;
}
.related-eyebrow{
  font-size:13px;
  letter-spacing:.16em;
  color:var(--gold);
  font-weight:600;
}
.related-header h2{
  font-size:30px;
  color:var(--green-deep);
  margin-top:8px;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:10px;
  padding:24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;
  overflow:hidden;
}
.related-card::before{
  content:"";
  position:absolute;
  left:0;top:0;
  height:100%;
  width:3px;
  background:var(--gold);
  opacity:0;
  transition:opacity .2s ease;
}
.related-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-sm);
  border-color:rgba(198,161,91,.45);
}
.related-card:hover::before{opacity:1}
.related-card .card-overline{
  font-size:12px;
  color:var(--gold);
  font-weight:600;
  letter-spacing:.1em;
  margin-bottom:12px;
  display:block;
}
.related-card h3{font-size:18px;color:var(--green-deep);line-height:1.6;font-weight:700}
.related-card p{
  color:var(--muted);font-size:14px;
  margin-top:10px;
  line-height:1.75;
}
.post-cta-strip{
  background:var(--green);
  padding:60px 0;
  position:relative;
  overflow:hidden;
}
.post-cta-strip .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.post-cta-copy{color:#EDE7DA;max-width:600px}
.post-cta-copy h2{
  font-size:26px;
  font-weight:700;
  color:#fff;
  line-height:1.45;
}
.post-cta-copy p{margin-top:8px;color:rgba(237,231,218,.74);font-size:15px}
.post-cta-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 28px;
  border-radius:8px;
  font-size:15px;
  font-weight:600;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-gold{
  background:var(--gold);
  color:var(--green-deep);
  box-shadow:0 10px 26px rgba(198,161,91,.24);
}
.btn-gold:hover{background:var(--gold-soft);color:var(--green-deep);transform:translateY(-2px)}
.btn-outline{
  border:1px solid rgba(255,255,255,.45);
  color:var(--paper);
  background:transparent;
}
.btn-outline:hover{
  border-color:#fff;
  background:rgba(255,255,255,.06);
  transform:translateY(-2px);
}
.btn-green{
  background:var(--green);
  color:#f4f0e8;
  border-radius:8px;
}
.btn-green:hover{background:var(--green-deep);transform:translateY(-1px)}
/* footer */
.site-footer{
  background:var(--green-deep);
  color:#D9D5CB;
  font-size:14px;
}
.footer-top{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:44px;
  padding:64px 0 48px;
}
.footer-brand .brand-name{
  color:#F3EFE6;
  font-size:21px;
}
.footer-brand p{
  margin-top:18px;
  color:#A7B3AA;
  line-height:1.8;
  font-size:14px;
  max-width:36ch;
}
.footer-brand .brand-seal{
  background:rgba(255,255,255,.06);
  color:var(--gold-soft);
  border:1px solid rgba(217,188,131,.35);
}
.footer-sub-title{
  font-size:15px;
  color:#fff;
  font-weight:700;
  margin-bottom:18px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:11px;
  align-items:flex-start;
}
.footer-links a{
  color:#A7B3AA;
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--gold-soft)}
.footer-contact{
  list-style:none;
  color:#A7B3AA;
  line-height:1.9;
}
.footer-contact li{
  padding-left:18px;
  position:relative;
}
.footer-contact li::before{
  content:"·";
  position:absolute;
  left:0;
  color:var(--gold);
  font-weight:700;
}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:#7C8B81;
  flex-wrap:wrap;
}
/* media */
@media (max-width:1024px){
  .site-nav{
    position:fixed;
    inset:0 0 0 auto;
    width:min(360px,82vw);
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    padding:96px 32px 32px;
    box-shadow:-16px 0 70px rgba(12,32,24,.16);
    opacity:0;
    visibility:hidden;
    transform:translateX(60px);
    transition:transform .28s ease,opacity .28s ease,visibility .28s ease;
    overflow-y:auto;
    z-index:2000;
  }
  body.nav-open .site-nav{opacity:1;visibility:visible;transform:none}
  .nav-links{
    flex-direction:column;
    align-items:stretch;
    width:100%;
  }
  .nav-links a,.nav-trigger{
    padding:13px 8px;
    font-size:15px;
    border-radius:6px;
  }
  .dropdown-content{
    position:static;
    box-shadow:none;
    border:none;
    padding:4px 0 4px 18px;
    background:transparent;
    opacity:1;
    visibility:visible;
    transform:none;
    min-width:0;
    display:none;
  }
  .has-dropdown.is-open .dropdown-content{display:block}
  .has-dropdown:hover .dropdown-content{
    display:none;
  }
  .has-dropdown.is-open .dropdown-content{display:block !important}
  .dropdown-content a{
    font-size:14px;
    padding:10px 8px;
  }
  .nav-cta{
    width:100%;
    margin-top:10px;
  }
  .nav-toggle{
    display:inline-flex;
  }
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .footer-top{
    grid-template-columns:1fr 1fr;
    gap:34px;
  }
  .related-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:768px){
  .post-image-wrap img{height:260px}
  .article-layout{padding:48px 0 64px}
  .footer-bar{flex-direction:column;text-align:center}
  .post-cta-strip .container{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .article-hero{padding:44px 0 30px}
  .article-hero h1{font-size:36px;line-height:1.25}
  .post-meta{gap:12px;flex-wrap:wrap}
  .article-content{font-size:15.5px}
  .article-content blockquote{padding:16px 20px}
  .related-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;padding-bottom:32px}
  .footer-brand p{max-width:none}
  .footer-bar{gap:6px}
  .nav-cta{display:none}
  .site-header .container{min-height:64px}
  .post-cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --paper:#F6F3EB;
  --paper-deep:#EFEBE0;
  --white:#FFFFFF;
  --forest:#0D2A20;
  --forest-2:#143629;
  --forest-3:#1B4434;
  --gold:#C4A15B;
  --gold-deep:#A9853F;
  --ink:#1E2B26;
  --ink-soft:#526159;
  --muted:#7C857E;
  --line:#E0D9CB;
  --line-deep:#CDC4B3;
  --radius-sm:3px;
  --radius-md:8px;
  --radius-lg:12px;
  --shadow-sm:0 1px 0 rgba(0,0,0,.03),0 14px 44px rgba(31,43,35,.06);
  --shadow-card:0 2px 0 rgba(0,0,0,.02),0 18px 50px rgba(31,43,35,.07);
  --shadow-hover:0 2px 0 rgba(0,0,0,.03),0 20px 60px rgba(31,43,35,.11);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul,ol,li,figure,blockquote,p,h1,h2,h3,h4,dl,dd{margin:0;padding:0;}
button,select,input,textarea{font:inherit;}
body.no-scroll{overflow:hidden;}

.container{width:min(var(--container),calc(100% - 56px));margin:0 auto;}
.section{padding:96px 0;}
.section-sub{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:13px;font-weight:600;letter-spacing:.18em;
  color:var(--gold-deep);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold);display:inline-block;}
.eyebrow.eyebrow-light{color:#D4BC86;}
.eyebrow.eyebrow-light::before{background:#D4BC86;}
h1,h2,h3{line-height:1.2;font-weight:800;letter-spacing:-.02em;}
h2{font-size:42px;}
h3{font-size:24px;}
.center-title{text-align:center;}
.center-title .eyebrow{justify-content:center;}
.center-title .eyebrow::before{width:18px;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 28px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border-radius:8px;border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
  cursor:pointer;text-align:center;
}
.btn svg{width:16px;height:16px;}
.btn-gold{background:var(--gold);color:#1C2A23;}
.btn-gold:hover{background:#D0AD69;color:#15241D;transform:translateY(-1px);box-shadow:0 10px 24px rgba(170,135,75,.22);}
.btn-gold:active{transform:translateY(0);}
.btn-forest{background:var(--forest);color:#F3F0E8;border-color:var(--forest);}
.btn-forest:hover{background:var(--forest-2);transform:translateY(-1px);box-shadow:0 10px 24px rgba(13,42,32,.18);}
.btn-outline{background:transparent;border-color:#D8D1C1;color:var(--ink);}
.btn-outline:hover{border-color:var(--gold-deep);color:var(--gold-deep);}
.btn-outline-light{background:transparent;border-color:rgba(244,238,226,.56);color:#F9F5ED;}
.btn-outline-light:hover{border-color:var(--gold);color:var(--gold);}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--forest);font-size:14px;font-weight:500;letter-spacing:.04em;}
.link-more svg{width:14px;height:14px;transition:transform .2s var(--ease);}
.link-more:hover{color:var(--gold-deep);}
.link-more:hover svg{transform:translateX(4px);}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:3px;}

/* shared header */
.site-header{
  position:sticky;top:0;left:0;right:0;z-index:100;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.scrolled{
  background:rgba(249,247,240,.96);
  border-bottom-color:var(--line);
  box-shadow:0 8px 30px rgba(38,43,38,.04);
  backdrop-filter:blur(8px);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  min-height:78px;gap:26px;
}
.site-brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;}
.brand-seal{
  width:37px;height:37px;border-radius:50%;
  background:linear-gradient(145deg,#174631,#0A241B);
  color:#EEDDBB;display:grid;place-items:center;
  font-weight:800;font-size:19px;font-family:"Noto Serif SC","Songti SC",serif;
  border:1px solid rgba(198,171,112,.28);
  box-shadow:0 0 0 3px rgba(198,171,112,.10);
  transition:box-shadow .2s var(--ease);
}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--ink);transition:color .25s;}
.site-header:not(.scrolled) .brand-name{color:#F7F2E8;}
.site-header:not(.scrolled) .brand-seal{box-shadow:0 0 0 3px rgba(212,188,134,.16);}
.site-nav{display:flex;align-items:center;gap:26px;transition:opacity .2s;}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;}
.nav-links > li{position:relative;}
.nav-links a,.nav-trigger{
  appearance:none;border:0;background:transparent;cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:500;color:var(--ink);
  padding:12px 14px;border-radius:6px;
  transition:color .2s,background .2s;
}
.site-header:not(.scrolled) .nav-links a,
.site-header:not(.scrolled) .nav-trigger{color:#F4F0E6;}
.site-header:not(.scrolled) .nav-links a:hover,
.site-header:not(.scrolled) .nav-trigger:hover{color:#E6CB93;}
.nav-links a:hover,.nav-trigger:hover{background:rgba(36,55,45,.06);}
.nav-links a.active{color:var(--gold-deep);font-weight:600;}
.site-header:not(.scrolled) .nav-links a.active{color:#E3C891;}
.drop-arrow{width:13px;height:13px;margin-left:2px;transition:transform .2s var(--ease);}
.has-dropdown:hover .drop-arrow,.has-dropdown:focus-within .drop-arrow{transform:rotate(180deg);}
.dropdown-content{
  position:absolute;top:calc(100% + 6px);left:0;min-width:244px;
  background:#FFFDF8;
  border:1px solid var(--line);
  border-radius:10px;
  box-shadow:0 18px 50px rgba(27,42,33,.12);
  padding:8px 10px;display:block;opacity:0;transform:translateY(-6px);
  pointer-events:none;transition:.18s var(--ease);
  z-index:60;
}
.has-dropdown:hover .dropdown-content,
.has-dropdown:focus-within .dropdown-content,
.nav-trigger[aria-expanded="true"] + .dropdown-content{opacity:1;transform:translateY(0);pointer-events:auto;}
.dropdown-content a{
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:11px 12px;border-radius:6px;color:var(--ink);font-weight:500;
}
.dropdown-content a small{color:var(--muted);white-space:nowrap;font-weight:400;transition:color .2s;}
.dropdown-content a:hover,.dropdown-content a:focus-visible{background:#F3EFE4;color:var(--gold-deep);}
.nav-cta{
  display:inline-flex;align-items:center;
  height:44px;padding:0 22px;border-radius:999px;
  background:var(--forest);color:#F6F1E7;border:1px solid var(--forest);
  font-size:14px;font-weight:600;letter-spacing:.06em;
  transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s;
}
.nav-cta:hover{background:var(--forest-2);transform:translateY(-1px);}
.site-header:not(.scrolled) .nav-cta{background:var(--gold);border-color:var(--gold);color:#15241D;}
.site-header:not(.scrolled) .nav-cta:hover{background:#D5B271;border-color:#D5B271;}
.nav-toggle{
  display:none;appearance:none;border:0;background:none;cursor:pointer;
  width:42px;height:42px;justify-content:center;align-items:center;flex-direction:column;gap:4px;
  border-radius:6px;color:var(--ink);
}
.nav-toggle span{width:21px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s;border-radius:3px;}
.site-header:not(.scrolled) .nav-toggle span{background:#F8F4EC;}
.site-header.is-open .nav-toggle span{background:var(--ink)!important;}
.site-header.is-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header.is-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.is-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* Category hero */
.cat-hero{
  position:relative;background:var(--forest);
  padding:116px 0 92px;margin-top:-78px;
  color:#F4EFE4;overflow:hidden;
  isolation:isolate;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.20;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(circle at 78% 10%,rgba(198,161,91,.16),transparent 34%),linear-gradient(180deg,rgba(9,27,20,.52),rgba(11,31,23,.94));
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;letter-spacing:.04em;color:rgba(244,238,224,.72);
}
.crumb a:hover{color:var(--gold);}
.crumb-sep{color:rgba(244,238,224,.4);}
.cat-hero-content{max-width:920px;}
.cat-hero h1{
  font-size:68px;margin:24px 0 26px;color:#FEFBF4;
  line-height:1.16;letter-spacing:-.03em;
}
.cat-hero h1 .thin{font-weight:400;color:#D9C79A;}
.cat-hero .lead{max-width:680px;color:#D9E0D7;font-size:17px;line-height:1.9;font-weight:400;}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:42px;}
.hero-tag{
  font-size:13px;letter-spacing:.08em;color:#E4D5AC;
  border:1px solid rgba(212,190,130,.35);
  border-radius:999px;padding:8px 18px;
  background:rgba(13,42,32,.25);
}
.hero-tag .dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--gold);margin-right:8px;vertical-align:2px;}

/* Counters / keyline band */
.cat-intro{border-bottom:1px solid var(--line);padding:68px 0;}
.cat-intro-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:36px 72px;align-items:start;}
.cat-intro-grid .intro-side{position:relative;}
.cat-intro-grid .intro-side::after{
  content:"";position:absolute;top:12px;bottom:12px;right:0;
  width:1px;background:var(--line);
}
.intro-side p{color:var(--ink-soft);font-size:15px;margin-top:14px;}
.cat-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.metric-item{border-top:1px solid var(--line);padding-top:22px;}
.metric-num{font-size:34px;font-weight:800;color:var(--gold-deep);line-height:1.1;}
.metric-label{font-size:13px;color:var(--muted);margin-top:8px;letter-spacing:.04em;font-weight:500;}

/* large visual block */
.page-block{padding:96px 0;}
.split-block{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:60px;align-items:center;}
.media-frame{position:relative;}
.media-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;border:1px solid rgba(255,255,255,.34);}
.media-frame::before{content:"";position:absolute;inset:0;border-radius:12px;background:linear-gradient(165deg,rgba(23,48,36,.14),transparent 55%);}
.media-caption{
  margin-top:12px;font-size:12.5px;color:var(--muted);
  letter-spacing:.04em;display:flex;align-items:center;gap:8px;
}
.media-caption::before{content:"";width:12px;height:1px;background:var(--gold-deep);display:inline-block;}
.content-side .section-text h2{margin-top:18px;font-size:42px;color:var(--ink);}
.content-side .section-text > p{margin-top:18px;color:var(--ink-soft);max-width:52ch;}
.flow-list{list-style:none;margin-top:32px;}
.flow-list li{
  display:grid;grid-template-columns:46px 1fr;column-gap:18px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.flow-list li:first-child{border-top:1px solid var(--line);}
.flow-list .num{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:24px;font-weight:400;color:var(--gold-deep);
  display:inline-flex;align-items:center;height:30px;
}
.flow-list .flow-title{font-weight:700;font-size:15px;color:var(--ink);}
.flow-list .flow-desc{font-size:14px;color:var(--ink-soft);margin-top:6px;}
.flow-list .flow-desc a{color:var(--gold-deep);font-weight:600;}
.flow-list .flow-desc a:hover{text-decoration:underline;}

/* Information band */
.info-band{
  position:relative;background:var(--forest-2);
  color:#E8E4D8;padding:84px 0;isolation:isolate;overflow:hidden;
}
.info-band::before{content:"";position:absolute;inset:0;z-index:-1;background:url('/assets/images/backpic/back-1.webp') center 60%/cover no-repeat;opacity:.14;}
.info-band::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(10,31,22,.96) 20%,rgba(18,50,35,.88) 100%);}
.info-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:72px;}
.info-grid .info-copy h2{color:#F8F1E3;}
.info-grid .info-copy .eyebrow{color:#D0BB86;}
.info-grid .info-copy > p{margin-top:20px;color:#C7D2C9;font-size:15px;max-width:480px;}
.info-feature{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.info-feature .info-item{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.09);border-radius:10px;padding:22px 20px;transition:.2s var(--ease);}
.info-feature .info-item:hover{background:rgba(255,255,255,.08);border-color:rgba(225,195,121,.3);transform:translateY(-2px);}
.info-feature .icon-sign{color:var(--gold);width:24px;height:24px;border:1px solid rgba(198,161,91,.45);border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:700;margin-bottom:14px;}
.info-feature h3{font-size:16px;color:#F5ECD9;font-weight:600;}
.info-feature p{font-size:13.5px;color:#AEBDB3;line-height:1.7;margin-top:10px;}

/* cards static */
.card-pane{padding:96px 0;}
.card-pane .section-title-wrap{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px;}
.card-pane .sub-caption{max-width:430px;color:var(--muted);font-size:15px;margin-top:10px;}
.static-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
.pick-card{
  display:grid;grid-template-columns:76px 1fr;gap:24px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:12px;padding:26px 26px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFC6B2;}
.pick-green{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;
  border-top:4px solid var(--gold);}
.pick-green .pick-icon{color:var(--gold);}
.pick-icon{
  width:52px;height:52px;border-radius:10px;
  background:#F0EAE2;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--forest);font-size:18px;font-weight:700;
}
.pick-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.pick-meta .tag{
  background:#F1ECE2;border:1px solid #E5DDCC;color:#76603B;
  font-size:12px;font-weight:500;padding:4px 12px;border-radius:999px;letter-spacing:.04em;
}
.pick-meta .date{font-size:13px;color:var(--muted);}
.pick-card h3{font-size:20px;line-height:1.4;}
.pick-card p{font-size:14.5px;color:var(--ink-soft);margin-top:6px;max-width:46ch;}

/* pre-read stage */
.related-block{background:var(--paper-deep);padding:74px 0;}
.relation-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:34px;}
.relation-item{border-left:1px solid var(--line-deep);padding:28px 26px;}
.relation-item:first-child{border-left:0;}
.relation-item .step{font:600 14px/1 "Noto Serif SC";color:var(--gold-deep);letter-spacing:.08em;}
.relation-item h3{font-size:18px;margin:12px 0 8px;}
.relation-item p{color:var(--muted);font-size:13.5px;}
.relation-item a{display:inline-block;margin-top:16px;}

/* faq */
.faq-block{padding:96px 0;background:#ffffff;}
.faq-wrap{max-width:860px;margin:50px auto 0;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  appearance:none;width:100%;background:none;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:28px 0;text-align:left;color:var(--ink);font-size:18px;font-weight:700;
}
.faq-q .plus{position:relative;flex:0 0 30px;width:30px;height:30px;border:1px solid var(--line-deep);border-radius:50%;transition:border-color .2s,transform .2s;}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--ink);top:50%;left:50%;transition:transform .2s;}
.faq-q .plus::before{width:12px;height:1.5px;transform:translate(-50%,-50%);}
.faq-q .plus::after{width:1.5px;height:12px;transform:translate(-50%,-50%);}
.faq-item[data-open="true"] .faq-q .plus{transform:rotate(45deg);border-color:var(--gold);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 60px 28px 0;color:var(--ink-soft);font-size:15px;max-width:78ch;}

/* CTA */
.light-cta{
  background:linear-gradient(180deg,#F1ECE2,#FAF6ED);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:64px 0;
}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:46px;}
.cta-caption{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--gold-deep);}
.cta-box h2{font-size:32px;margin:8px 0 10px;}
.cta-box p{color:var(--ink-soft);max-width:600px;}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* Footer */
.site-footer{background:#0B211A;color:#BFCCC3;padding:64px 0 0; }
.site-footer .container{}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:48px;padding-bottom:42px;}
.site-footer .site-brand .brand-name{color:#F4F1E8;}
.footer-brand > p{font-size:14px;color:#9DAA9F;margin-top:18px;max-width:330px;line-height:1.85;}
.footer-sub-title{font-size:15px;color:#DED9CC;font-weight:600;letter-spacing:.04em;margin:0 0 18px;}
.footer-sub-title span{display:block;width:27px;height:2px;background:var(--gold);margin-top:10px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#B5C0B6;transition:color .2s,padding-left .2s;width:max-content;}
.footer-links a:hover{color:#EBD3A0;padding-left:5px;}
.footer-contact{list-style:none;display:grid;gap:10px;font-size:14px;color:#A7B4AA;}
.footer-contact li{display:flex;margin-bottom:0;}
.footer-contact li::before{content:"—";color:var(--gold);margin-right:14px;}
.footer-bar{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 20px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;color:#8E9C92;font-size:13px;margin-top:8px;
}
.footer-bar p{margin:0;}

@media (max-width:1120px){
  .cat-hero h1{font-size:58px;}
  .container{width:min(100% - 40px,1200px);}
  .nav-cta{display:none;}
  .site-nav .nav-links{gap:2px;}
}
@media (max-width:1023px){
  .site-header .container{min-height:68px;}
  .brand-seal{width:32px;height:32px;font-size:17px;}
  .brand-name{font-size:18px;}
  .nav-toggle{display:flex;}
  .site-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    height:100vh;height:100dvh;
    background:#FBF8F0;
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    padding:86px 28px 28px;gap:0;
    box-shadow:-20px 0 60px rgba(24,34,28,.12);
    transform:translateX(100%);
    visibility:hidden;
    transition:transform .22s var(--ease),visibility .22s;
    z-index:99;
  }
  .site-nav.is-open{transform:translateX(0);visibility:visible;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-links a,.nav-trigger{width:100%;color:var(--ink)!important;font-size:16px;padding:12px 12px;border-radius:8px;}
  .nav-links a:hover,.nav-trigger:hover{background:#EFE9DD;color:var(--forest)!important;}
  .nav-links a.active{color:var(--gold-deep)!important;}
  .nav-links > li{width:100%;}
  .dropdown-content{
    position:static;opacity:1;transform:none;pointer-events:auto;
    box-shadow:none;display:none;margin:4px 0 12px;
    background:#EDE9DF;border:none;
  }
  .nav-trigger[aria-expanded="true"] + .dropdown-content{display:block;}
  .has-dropdown:hover .dropdown-content{display:block;}
  .dropdown-content a{padding:11px 13px;}
  .dropdown-content a small{color:#786E5E;}
  .nav-cta{display:flex;width:100%;margin-top:28px;}
  section.section{padding:72px 0;}
  .cat-hero{padding:130px 0 72px;}
  .cat-hero .hero-meta{gap:10px;}
  .split-block,.cat-intro-grid{grid-template-columns:1fr;}
  .cat-intro-grid .intro-side::after{display:none;}
  .cat-metrics{margin-top:26px;}
  .info-grid,.cta-box{grid-template-columns:1fr;gap:42px;}
  .info-feature{grid-template-columns:1fr 1fr;}
  .static-grid{grid-template-columns:1fr;}
  .relation-list{grid-template-columns:1fr 1fr;}
  .relation-item{border-left:0;border-top:1px solid var(--line-deep);padding:25px 0;}
  .cta-box{flex-direction:column;align-items:flex-start;}
  .cta-btns{width:100%;}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px;}
  .site-footer{padding:58px 0 0;}
}
@media (max-width:767px){
  .container{width:calc(100% - 28px);}
  .section,.page-block{padding:64px 0;}
  .eyebrow{font-size:12px;letter-spacing:.1em;}
  h2{font-size:30px;}
  .cat-hero{padding:134px 0 54px;}
  .cat-hero h1{font-size:40px;margin-top:18px;line-height:1.26;}
  .cat-hero .lead{font-size:15px;}
  .btn{width:auto;}
  .cat-metrics{grid-template-columns:1fr 1fr;gap:14px;}
  .info-feature{grid-template-columns:1fr;}
  .content-side .section-text h2{font-size:30px;}
  .flow-list li{grid-template-columns:38px 1fr;column-gap:12px;}
  .pick-card{grid-template-columns:54px 1fr;column-gap:16px;padding:22px;}
  .pick-icon{width:44px;height:44px;font-size:16px;}
  .static-grid{gap:16px;}
  .card-pane .section-title-wrap{flex-direction:column;align-items:flex-start;}
  .relation-list{grid-template-columns:1fr;}
  .faq-block{padding:64px 0;}
  .faq-a-inner{padding-right:0;}
  .footer-top{grid-template-columns:1fr;gap:30px;}
  .footer-bar{flex-direction:column;}
  .cta-btns .btn{width:100%;}
}

/* roulang page: category2 */
:root {
    --paper: #F6F4ED;
    --paper-deep: #F2EFE6;
    --green: #102E24;
    --green-soft: #173B2E;
    --gold: #C6A15B;
    --gold-dark: #B08D45;
    --ink: #1E2B26;
    --muted: #6F7A73;
    --line: #E3DDD0;
    --white: #FFFFFF;
    --radius-s: 4px;
    --radius-m: 8px;
    --radius-l: 12px;
    --shadow-1: 0px 1px 0px rgba(16,46,36,0.03), 0px 12px 40px rgba(16,46,36,0.05);
    --shadow-2: 0px 16px 60px rgba(16,46,36,0.10);
  }

  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
  }
  body.is-lock { overflow: hidden; }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
    border-radius: 4px;
  }
  button { font-family: inherit; cursor: pointer; }
  .container {
    width: min(1200px, calc(100% - 48px));
    margin-left: auto;
    margin-right: auto;
  }
  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    letter-spacing: 0.18em;
    color: var(--muted);
    margin: 0 0 18px 0;
  }
  .eyebrow::before {
    content: "";
    width: 20px;
    height: 1px;
    background: var(--gold);
  }
  .section-head { margin-bottom: 52px; }
  .section-title {
    font-size: clamp(30px, 4.5vw, 52px);
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 18px 0;
  }
  .section-desc {
    font-size: 16px;
    color: var(--muted);
    max-width: 720px;
    margin: 0;
  }

  /* Header */
  .site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    border-bottom: 1px solid transparent;
    color: #fff;
  }
  .site-header.scrolled {
    background: rgba(246,244,237,0.97);
    border-color: var(--line);
    color: var(--ink);
    box-shadow: 0 6px 24px rgba(16,46,36,0.04);
  }
  .site-header .container {
    display: flex;
    align-items: center;
    height: 78px;
  }
  .site-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .brand-seal {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gold);
    color: var(--green);
    font-weight: 900;
    font-size: 18px;
    border-radius: 50%;
    line-height: 1;
  }
  .brand-name {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }
  .site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex: 1;
    gap: 18px;
    margin-left: 24px;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .nav-links > li > a, .nav-trigger {
    color: inherit;
    font-size: 15px;
    font-weight: 500;
    background: none;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 0;
    transition: opacity 0.2s ease;
    line-height: 1.4;
  }
  .nav-links > li > a:hover, .nav-trigger:hover { opacity: 0.7; }
  .drop-arrow { width: 13px; height: 13px; transition: transform 0.2s ease; }
  .has-dropdown { position: relative; }
  .dropdown-content {
    position: absolute;
    top: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 220px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    padding: 10px;
    box-shadow: var(--shadow-1);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }
  .has-dropdown.active .dropdown-content, .has-dropdown:hover .dropdown-content, .has-dropdown:focus-within .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
  .has-dropdown.active .drop-arrow { transform: rotate(180deg); }
  .dropdown-content a {
    display: block;
    padding: 12px 12px;
    border-radius: var(--radius-s);
    color: var(--ink);
    line-height: 1.5;
    transition: background 0.2s ease;
  }
  .dropdown-content a:hover { background: var(--paper); }
  .dropdown-content small { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
  .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 22px;
    border-radius: 999px;
    background: var(--gold);
    color: var(--green) !important;
    font-weight: 700;
    font-size: 14px;
    border: 1px solid transparent;
    white-space: nowrap;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  }
  .nav-cta:hover { background: #D5B370; border-color: #D5B370; transform: translateY(-1px); }
  .nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    margin-left: auto;
    background: none;
    border: none;
    padding: 10px;
    z-index: 102;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
    content: "";
    height: 2px;
    width: 22px;
    background: currentColor;
    border-radius: 3px;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .nav-toggle span:nth-child(1) { transform: translateY(0); }
  .nav-toggle span:nth-child(3) { transform: translateY(0); }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .has-dropdown.active .nav-trigger { opacity: 0.75; }
  .nav-cat-active {
    background: var(--paper);
  }

  /* Page Hero / category hero */
  .category-hero {
    position: relative;
    min-height: 660px;
    background: linear-gradient(90deg, rgba(14, 42, 32, 0.96), rgba(24, 54, 44, 0.80)), url("/assets/images/backpic/back-2.webp") top center / cover no-repeat;
    color: #fff;
    display: flex;
    align-items: center;
    padding: 136px 0 90px;
  }
  .category-hero .inner { max-width: 980px; }
  .category-hero .hero-tag {
    display: inline-block;
    background: rgba(198,161,91,0.16);
    border: 1px solid rgba(198,161,91,0.45);
    color: #E6CC9D;
    font-size: 13px;
    letter-spacing: 0.1em;
    padding: 5px 13px;
    border-radius: 999px;
    margin-bottom: 26px;
  }
  .category-hero h1 {
    font-size: clamp(40px, 7.2vw, 84px);
    line-height: 1.15;
    font-weight: 900;
    margin: 0 0 26px 0;
    letter-spacing: -0.035em;
    max-width: 960px;
  }
  .category-hero p.lead {
    font-size: 18px;
    color: rgba(255,255,255,0.84);
    max-width: 680px;
    margin: 0 0 38px 0;
    line-height: 1.9;
  }
  .hero-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 34px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    border: 1px solid transparent;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  }
  .btn-primary { background: var(--gold); color: var(--green); }
  .btn-primary:hover { background: #D5B370; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(198,161,91,0.22); }
  .btn-outline-light {
    background: transparent;
    border-color: rgba(255,255,255,0.55);
    color: #fff;
  }
  .btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
  .btn-outline-dark { background: transparent; border-color: var(--line); color: var(--ink); }
  .btn-outline-dark:hover { border-color: var(--green); background: rgba(16,46,36,0.03); }

  /* main blocks */
  .main { padding-top: 0; }
  .cat-section { padding: 96px 0 80px; }
  .cat-section.alt { background: var(--white); }

  .two-col-guide {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
    align-items: center;
  }
  .guide-copy h2 { margin-bottom: 20px; }
  .guide-copy > p { font-size: 16px; line-height: 1.9; color: var(--muted); margin-bottom: 28px; }
  .guide-steps { margin: 0; padding: 0; list-style: none; }
  .guide-steps li {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 6px 18px;
    padding: 18px 0;
    border-top: 1px solid var(--line);
  }
  .guide-steps li:last-child { border-bottom: 1px solid var(--line); }
  .step-num {
    font-size: 24px;
    font-weight: 700;
    color: var(--gold);
    font-family: Georgia, "Times New Roman", serif;
    font-style: italic;
    line-height: 1;
    padding-top: 6px;
  }
  .step-title { font-weight: 700; font-size: 17px; margin-top: 0; }
  .step-title + p { margin: 4px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

  .guide-visual {
    position: relative;
    background: var(--paper-deep);
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    padding: 12px;
    box-shadow: var(--shadow-1);
  }
  .guide-visual img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    background: #ddd;
  }
  .floating-note {
    position: absolute;
    right: 22px;
    bottom: 24px;
    width: 230px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    padding: 16px 18px;
    box-shadow: var(--shadow-1);
    font-size: 13px;
    color: var(--muted);
    line-height: 1.7;
  }
  .floating-note strong { color: var(--green); display: block; margin-bottom: 4px; }

  /* direction half-width */
  .direction-wrap {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 70px;
  }
  .direction-media {
    border-radius: var(--radius-l);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-1);
  }
  .direction-media img { width: 100%; height: 430px; object-fit: cover; }
  .direction-copy h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.3; margin-bottom: 24px; font-weight: 800; }
  .direction-copy p { color: var(--muted); font-size: 16px; line-height: 1.9; margin-bottom: 20px; }
  .direction-list { margin: 22px 0 0; padding: 0; list-style: none; }
  .direction-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--ink);
    font-size: 15px;
  }
  .direction-list li::before {
    content: "✓";
    display: inline-flex;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    background: var(--gold);
    color: var(--green);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    margin-top: 4px;
  }

  /* static selection */
  .selection-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }
  .sel-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    overflow: hidden;
    padding: 0 0 24px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }
  .sel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
  .sel-card img {
    width: 100%;
    height: 170px;
    object-fit: cover;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .sel-card .card-body { padding: 22px 22px 0; }
  .sel-card .card-tag {
    display: inline-block;
    font-size: 12px;
    color: var(--green);
    background: var(--paper);
    border: 1px solid #cdd6cd;
    border-radius: 4px;
    padding: 3px 10px;
    margin-bottom: 14px;
    letter-spacing: 0.04em;
  }
  .sel-card h3 { font-size: 19px; font-weight: 700; line-height: 1.5; margin: 0 0 10px; }
  .sel-card p { font-size: 14px; color: var(--muted); line-height: 1.8; margin: 0; }
  .sel-card a.full-link { margin-top: 14px; display: inline-block; font-size: 14px; color: var(--gold-dark); font-weight: 600; }

  /* FAQ */
  .section-head.center-head { text-align: center; }
  .center-head .eyebrow { justify-content: center; }
  .center-head .section-desc { margin-left: auto; margin-right: auto; }
  .faq-wrap {
    max-width: 840px;
    margin: 0 auto;
    border-top: 1px solid var(--line);
  }
  .faq-item {
    border-bottom: 1px solid var(--line);
    background: transparent;
  }
  .faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 26px 4px;
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.6;
  }
  .faq-question:hover { opacity: 0.75; }
  .faq-icon {
    position: relative;
    display: inline-flex;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    justify-content: center;
    align-items: center;
    margin-left: 16px;
    border: 1px solid var(--line);
    border-radius: 50%;
    transition: transform 0.2s ease, background 0.2s ease;
  }
  .faq-icon::before, .faq-icon::after {
    content: "";
    position: absolute;
    background: var(--green);
    border-radius: 3px;
    transition: background 0.2s ease;
  }
  .faq-icon::before { width: 14px; height: 2px; }
  .faq-icon::after { width: 2px; height: 14px; }
  .faq-item.is-open .faq-icon { transform: rotate(45deg); background: var(--paper); border-color: var(--green); }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, padding 0.25s ease;
  }
  .faq-item.is-open .faq-answer { max-height: 500px; padding: 0 50px 28px 4px; }
  .faq-answer p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.9;
    max-width: 75ch;
    margin: 0;
  }

  /* CTA */
  .cta-band { padding: 100px 0; }
  .cta-box {
    background: var(--green);
    color: #fff;
    border-radius: 20px;
    padding: 62px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 44px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
  }
  .cta-box::after {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    right: -100px;
    bottom: -140px;
    background: radial-gradient(circle, rgba(198,161,91,0.20) 0%, rgba(198,161,91,0) 70%);
  }
  .cta-box h2 {
    font-size: clamp(26px, 3.6vw, 42px);
    margin: 0 0 10px;
    font-weight: 800;
  }
  .cta-box p { color: rgba(255,255,255,0.8); font-size: 16px; margin: 0; max-width: 560px; }
  .cta-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; position: relative; z-index: 1; }

  /* footer */
  .site-footer {
    background: var(--green);
    color: rgba(255,255,255,0.82);
    padding: 74px 0 34px;
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 64px;
    border-bottom: 1px solid rgba(255,255,255,0.14);
  }
  .footer-brand .site-brand { color: #fff; }
  .footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); max-width: 330px; line-height: 1.9; margin-top: 20px; }
  .footer-sub-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.04em;
    margin: 0 0 18px;
  }
  .footer-links { display: flex; flex-direction: column; gap: 10px; }
  .footer-links a { font-size: 14px; color: rgba(255,255,255,0.66); transition: color 0.2s ease; }
  .footer-links a:hover { color: var(--gold); }
  .footer-contact { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
  .footer-contact li { font-size: 14px; color: rgba(255,255,255,0.66); }
  .footer-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-top: 26px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255,255,255,0.46);
  }
  .footer-bar p { margin: 4px 0; }

  /* nav mobile drawer */
  .nav-overlay { display: none; }

  @media (max-width: 1100px) {
    .selection-grid { grid-template-columns: repeat(2, 1fr); }
    .two-col-guide { gap: 44px; }
    .direction-wrap { gap: 44px; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  }

  @media (max-width: 920px) {
    .container { width: min(100% - 36px, 1200px); }
    .site-header .container { height: 68px; }
    .nav-toggle { display: flex; color: inherit; }
    .site-nav {
      position: fixed;
      top: 0;
      right: 0;
      height: 100%;
      width: min(360px, 86vw);
      background: var(--paper);
      color: var(--ink);
      flex-direction: column;
      align-items: stretch;
      justify-content: flex-start;
      margin: 0;
      padding: 96px 32px 40px;
      transform: translateX(100%);
      transition: transform 0.25s ease;
      box-shadow: var(--shadow-2);
      overflow-y: auto;
    }
    .nav-open .site-nav { transform: translateX(0); }
    .nav-links { flex-direction: column; align-items: stretch; gap: 6px; width: 100%; }
    .nav-links > li > a, .nav-trigger { padding: 14px 4px; width: 100%; justify-content: space-between; font-size: 16px; }
    .dropdown-content {
      position: static;
      opacity: 1;
      visibility: visible;
      transform: none;
      box-shadow: none;
      background: var(--white);
      margin: 8px 0 14px;
      padding: 8px;
      min-width: 0;
      display: none;
    }
    .has-dropdown.active .dropdown-content { display: block; }
    .dropdown-content a { padding: 13px 12px; }
    .nav-cta {
      margin-top: 24px;
      width: 100%;
      order: 3;
    }
    .two-col-guide { grid-template-columns: 1fr; }
    .direction-wrap { grid-template-columns: 1fr; }
    .guide-visual img { height: 340px; }
    .direction-media img { height: 340px; }
    .cta-box { padding: 44px 32px; }
    .category-hero { padding-top: 120px; }
  }

  @media (max-width: 600px) {
    .container { width: calc(100% - 28px); }
    .footer-top { grid-template-columns: 1fr; gap: 30px; padding-bottom: 40px; }
    .site-header .container { height: 64px; }
    .brand-name { font-size: 18px; }
    .brand-seal { width: 32px; height: 32px; font-size: 16px; }
    .category-hero { min-height: auto; padding: 110px 0 70px; }
    .category-hero h1 { font-size: 38px; }
    .category-hero p.lead { font-size: 16px; }
    .cat-section { padding: 72px 0 50px; }
    .floating-note { position: static; width: 100%; margin-top: 12px; }
    .selection-grid { grid-template-columns: 1fr; }
    .sel-card img { height: 200px; }
    .hero-actions .btn { width: 100%; }
    .cta-actions { flex-direction: column; align-items: stretch; }
    .cta-box { align-items: flex-start; }
    .section-title { font-size: 30px; }
    .direction-copy h2 { font-size: 28px; }
    .footer-bar { flex-direction: column; align-items: flex-start; }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation: none !important;
      transition: none !important;
    }
    html { scroll-behavior: auto; }
  }

/* roulang page: category3 */
:root{
  --bg:#F3EFE6;
  --surface:#FFFDF8;
  --surface-2:#EAE4D8;
  --ink:#1E2B26;
  --muted:#6F7A73;
  --line:#E3DDD0;
  --forest:#102E24;
  --forest-2:#143B2E;
  --gold:#C6A15B;
  --gold-soft:#E7D5AE;
  --white:#FFFFFF;
  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:12px;
  --shadow-1:0 1px 0 rgba(0,0,0,.03), 0 12px 40px rgba(0,0,0,.06);
  --shadow-2:0 18px 60px rgba(0,0,0,.10);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.8;
  font-size:16px;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
section[id]{scroll-margin-top:92px}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:var(--radius-sm)}

.container{
  width:100%;
  max-width:1220px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

.section{padding:96px 0}
.section-alt{background:var(--surface)}
.section-deep{background:var(--forest);color:#fff}
.section-heading{max-width:860px;margin-bottom:54px}
.section-heading.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.14em;
  font-weight:700;
  color:var(--forest);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--gold)}
.section-heading h2{
  font-size:44px;
  line-height:1.22;
  letter-spacing:-0.02em;
  color:var(--ink);
  margin-top:12px;
  font-weight:800;
}
.section-heading p{color:var(--muted);max-width:72ch;margin-top:18px;font-size:16px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:11px 22px;
  border-radius:var(--radius-md);
  font-weight:700;
  border:1px solid transparent;
  transition:background .25s ease,border .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease;
  cursor:pointer;
}
.btn-gold{background:var(--gold);color:var(--forest)}
.btn-gold:hover{background:#D7B571;color:#0B291F;transform:translateY(-2px);box-shadow:0 12px 28px rgba(16,46,36,.12)}
.btn-outline-light{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(16,46,36,.25)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.8);transform:translateY(-2px)}
.btn-line{border-color:var(--forest);color:var(--forest);background:transparent}
.btn-line:hover{background:var(--forest);color:#fff}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:100;
  color:#fff;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,color .25s ease,box-shadow .25s ease;
}
.site-header .container{
  max-width:1320px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:78px;
}
.site-brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}
.brand-seal{
  display:grid;
  place-items:center;
  width:41px;
  height:41px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.75);
  background:transparent;
  font-weight:900;
  font-size:19px;
  color:#fff;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.brand-name{
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
  color:#fff;
  transition:color .25s ease;
}
.site-brand:hover .brand-seal{background:var(--gold);border-color:var(--gold);color:var(--forest)}

.site-nav{display:flex;align-items:center;gap:20px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links > li{position:relative}
.nav-links a,
.nav-trigger{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 13px;
  border-radius:var(--radius-md);
  font-size:15px;
  font-weight:600;
  border:0;
  background:transparent;
  color:inherit;
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.drop-arrow{width:14px;height:14px;transition:transform .2s ease}
.has-dropdown:hover .drop-arrow{transform:rotate(180deg)}
.nav-links .active{color:var(--gold-soft)}
.site-header:not(.is-scrolled):not(.nav-open) .nav-links a:hover,
.site-header:not(.is-scrolled):not(.nav-open) .nav-trigger:hover{background:rgba(255,255,255,.10)}
.site-header.is-scrolled .nav-links a:hover,
.site-header.is-scrolled .nav-trigger:hover{background:rgba(16,46,36,.06)}

.dropdown-content{
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  min-width:242px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow-1);
  padding:7px;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-dropdown:hover .dropdown-content,
.has-dropdown:focus-within .dropdown-content,
.has-dropdown.open .dropdown-content{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-content a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  width:100%;
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  border-radius:8px;
  padding:10px 12px;
  background:transparent;
}
.dropdown-content small{font-weight:400;font-size:12px;color:var(--muted)}
.dropdown-content a:hover{background:rgba(16,46,36,.06)}
.dropdown-content a.active{background:rgba(198,161,91,.12);color:var(--forest)}
.dropdown-content a.active small{color:var(--forest)}

.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:9px 20px;
  border-radius:999px;
  background:var(--gold);
  color:var(--forest);
  font-size:15px;
  font-weight:800;
  white-space:nowrap;
  transition:background .25s ease,transform .25s ease,box-shadow .25s ease;
}
.nav-cta:hover{background:#E0BD74;transform:translateY(-1px);box-shadow:0 10px 22px rgba(0,0,0,.10)}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--radius-md);
  background:transparent;
  border:1px solid transparent;
  color:inherit;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.10)}
.nav-toggle span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;margin:4px auto;transition:transform .25s ease,opacity .25s ease}
.site-header.is-scrolled{background:var(--surface);color:var(--ink);border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(16,46,36,.04)}
.site-header.is-scrolled .brand-name{color:var(--ink)}
.site-header.is-scrolled .brand-seal{color:var(--forest);border-color:rgba(16,46,36,.45)}
.site-header.is-scrolled .nav-links a.active{color:var(--gold)}
.site-header.nav-open{background:var(--surface);color:var(--ink);border-bottom-color:var(--line)}
.site-header.nav-open .brand-name{color:var(--ink)}
.site-header.nav-open .brand-seal{color:var(--forest);border-color:rgba(16,46,36,.45)}

.page-hero{
  position:relative;
  min-height:610px;
  display:flex;
  align-items:flex-end;
  color:#fff;
  background:
    linear-gradient(115deg,rgba(13,38,29,.94) 0%,rgba(16,46,36,.78) 62%,rgba(24,58,44,.62) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  background-color:var(--forest);
  padding:180px 0 112px;
}
.page-hero-inner{max-width:940px}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  letter-spacing:.16em;
  font-weight:700;
  color:var(--gold-soft);
}
.hero-eyebrow::before{content:"";width:24px;height:1px;background:var(--gold)}
.page-hero h1{
  margin:18px 0 22px;
  font-size:70px;
  line-height:1.12;
  font-weight:800;
  letter-spacing:-0.03em;
  color:#fff;
}
.page-hero-lead{
  max-width:62ch;
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.86);
  margin-bottom:32px;
}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px}
.hero-note{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.65);font-size:14px;margin-top:24px}
.hero-note::before{content:"";width:14px;height:14px;border:1px solid var(--gold);border-radius:50%}

.showcase-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:64px;
  align-items:center;
}
.media-frame{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  position:relative;
}
.media-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.frame-caption{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 18px;
  gap:12px;
  background:var(--surface);
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.frame-caption strong{color:var(--forest);font-weight:700}
.coverage-list{border-top:1px solid var(--line);margin-top:26px}
.coverage-list li{
  display:grid;
  grid-template-columns:max-content 1fr;
  gap:24px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.coverage-list li span:first-child{
  font-weight:800;
  color:var(--forest);
  font-size:17px;
  min-width:90px;
}
.coverage-list li span:last-child{color:var(--muted);font-size:15px}

.architecture-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:72px;
  align-items:center;
}
.arch-text .section-heading{margin-bottom:26px}
.arch-text .section-heading h2{margin-bottom:0}
.arch-text > p{color:var(--muted);font-size:16px;max-width:54ch}
.media-note{
  margin-top:26px;
  padding:22px;
  background:var(--surface-2);
  border-left:2px solid var(--gold);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--ink);
}
.media-note strong{color:var(--forest)}
.arch-visual{
  position:relative;
  border-radius:14px;
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  padding:12px;
}
.arch-visual img{border-radius:10px;width:100%;aspect-ratio:4/3;object-fit:cover}
.arch-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:16px;
  font-size:13px;
  color:var(--muted);
}
.arch-tag i{
  width:8px;height:8px;border-radius:50%;
  background:var(--gold);
  display:inline-block;
}

.topic-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.topic-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  padding:32px 30px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D2C6AB}
.topic-index{
  display:inline-flex;
  font-family:Georgia,serif;
  font-size:44px;
  line-height:1;
  color:var(--gold);
  font-weight:700;
}
.topic-card h3{font-size:20px;color:var(--forest);margin:18px 0 10px;font-weight:800}
.topic-card p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:20px}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:700;
  color:var(--forest);
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.text-link::after{content:"→";color:var(--gold);transition:transform .2s ease}
.text-link:hover{border-bottom-color:var(--gold);color:var(--gold)}
.text-link:hover::after{transform:translateX(3px)}

.cta-band{
  background:
    radial-gradient(ellipse at 80% 30%,rgba(198,161,91,.16) 0%,rgba(198,161,91,0) 46%),
    var(--forest);
  color:#fff;
  padding:84px 0;
}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:42px}
.cta-text h2{font-size:34px;line-height:1.25;font-weight:800;margin-bottom:12px;letter-spacing:-0.01em}
.cta-text p{max-width:56ch;font-size:15px;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;flex-direction:column;gap:12px;min-width:224px}

.faq-section .container{max-width:820px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  color:var(--ink);
  background:transparent;
  border:0;
  cursor:pointer;
  font-size:17px;
  font-weight:800;
  text-align:left;
  padding:24px 2px;
  transition:color .2s ease;
}
.faq-question:hover{color:var(--gold)}
.faq-icon{
  flex:0 0 30px;
  width:30px;height:30px;
  border:1px solid var(--line);
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  line-height:1;
  font-weight:400;
  color:var(--gold);
  background:var(--surface);
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--gold);background:var(--gold);color:#fff}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  font-size:15px;
  color:var(--muted);
}
.faq-answer-inner{max-width:58ch;padding:0 38px 28px 2px}

.site-footer{
  background:#0B241B;
  color:rgba(255,255,255,.75);
  padding:82px 0 0;
}
.site-footer .site-brand .brand-name{color:#fff;font-size:20px}
.site-footer .site-brand .brand-seal{color:#fff;border-color:rgba(255,255,255,.25)}
.footer-top{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.3fr;
  gap:56px;
  padding-bottom:54px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand p{
  max-width:42ch;
  margin-top:18px;
  font-size:14px;
  color:rgba(255,255,255,.65);
  line-height:1.8;
}
.footer-sub-title{
  color:#fff;
  font-size:16px;
  font-weight:800;
  margin:8px 0 16px;
}
.footer-sub-title span{display:block;width:24px;height:2px;background:var(--gold);margin-top:6px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{
  display:inline-block;
  padding:5px 0;
  color:rgba(255,255,255,.72);
  font-size:14px;
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:var(--gold-soft);transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;color:rgba(255,255,255,.6);font-size:14px;line-height:1.7}
.footer-bar{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px 18px;
  padding:24px 0 30px;
  font-size:13px;
  color:rgba(255,255,255,.45);
}

@media (max-width:1120px){
  .page-hero h1{font-size:58px}
  .footer-top{grid-template-columns:1.5fr 1fr 1fr;gap:40px}
  .footer-brand{grid-column:1/-1}
}

@media (max-width:1023px){
  .site-nav{display:none}
  .nav-toggle{display:inline-flex}
  .site-header.nav-open .site-nav{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    position:fixed;
    top:78px;
    left:0;
    right:0;
    background:var(--surface);
    padding:18px 24px 30px;
    gap:4px;
    color:var(--ink);
    border-bottom:1px solid var(--line);
    box-shadow:0 12px 34px rgba(0,0,0,.08);
    max-height:calc(100vh - 80px);
    overflow-y:auto;
  }
  .site-header.nav-open .nav-links{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    width:100%;
  }
  .site-header.nav-open .nav-links a,
  .site-header.nav-open .nav-trigger{
    width:100%;
    justify-content:space-between;
    color:var(--ink);
    padding:12px 10px;
  }
  .site-header.nav-open .nav-links .active{color:var(--gold)}
  .site-header.nav-open .nav-cta{align-self:center;margin-top:12px;padding-left:26px;padding-right:26px}
  .has-dropdown{position:relative}
  .has-dropdown .dropdown-content{
    position:static;
    transform:none;
    opacity:1;
    visibility:visible;
    display:none;
    background:rgba(16,46,36,.05);
    box-shadow:none;
    border:0;
    border-radius:10px;
    margin:4px 0 6px;
    padding:4px;
  }
  .has-dropdown.open .dropdown-content{display:block}
  .dropdown-content a{color:var(--ink)}
  .showcase-grid,.architecture-wrap{grid-template-columns:1fr 1fr;gap:38px}
}

@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px}
  .site-header .container{height:68px}
  .site-header.nav-open .site-nav{top:68px}
  .section{padding:68px 0}
  .page-hero{padding:132px 0 78px;min-height:520px}
  .page-hero h1{font-size:42px;line-height:1.12}
  .page-hero-lead{font-size:16px}
  .section-heading h2{font-size:32px}
  .section-heading{margin-bottom:38px}
  .showcase-grid,.architecture-wrap{grid-template-columns:1fr;gap:30px}
  .architecture-wrap .arch-visual{order:-1}
  .topic-grid{grid-template-columns:1fr}
  .cta-band{padding:64px 0}
  .cta-band .container{flex-direction:column;align-items:flex-start;gap:28px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px 28px}
  .footer-bar{flex-direction:column}
  .coverage-list li{grid-template-columns:1fr;gap:4px;padding:16px 0}
}
@media (max-width:520px){
  .page-hero h1{font-size:36px}
  .feature-list{display:block}
  .footer-top{grid-template-columns:1fr}
  .cta-actions{flex-direction:column}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
}