/* roulang page: index */
:root {
  --primary-900: #06312f;
  --primary-800: #093f3d;
  --primary-700: #0e5e58;
  --primary-600: #14756d;
  --primary-500: #1c8b82;
  --accent: #e97b2c;
  --accent-dark: #cd5d16;
  --accent-light: #fff1e6;
  --surface: #ffffff;
  --surface-soft: #f7f4ee;
  --surface-mute: #eef2ed;
  --ink: #213331;
  --ink-soft: #5d706b;
  --ink-faint: #8da09b;
  --line: #dfe6e0;
  --line-deep: #ced9d3;
  --shadow-sm: 0 2px 10px rgba(29, 56, 52, 0.05);
  --shadow-md: 0 14px 34px rgba(29, 56, 52, 0.08), 0 4px 12px rgba(29, 56, 52, 0.04);
  --shadow-lg: 0 30px 60px rgba(21, 51, 48, 0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --max-width: 1300px;
  --space-section: clamp(64px, 8vw, 100px);
  
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background: var(--surface-soft);
  color: var(--ink);
  line-height: 1.8;
  font-size: 16px;
  min-width: 320px;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, box-shadow .25s ease, opacity .2s ease;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

:focus-visible {
  outline: 3px solid rgba(232, 123, 44, .45);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: var(--space-section) 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--primary-600);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-label::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 99px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.5px;
}

.section-sub {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-top: 12px;
  max-width: 680px;
}

.row-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 30px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s, box-shadow .25s, background .25s, color .25s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(232, 123, 44, .22);
}

.btn-primary:hover {
  background: #d76a1a;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(232, 123, 44, .28);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0) scale(.98);
  box-shadow: inset 0 2px 6px rgba(0,0,0,.08);
}

.btn-dark {
  background: var(--primary-800);
  color: #fff;
}

.btn-dark:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
  color: #fff;
}

.btn-line {
  background: transparent;
  border-color: var(--line-deep);
  color: var(--ink);
  min-height: 44px;
  padding: 0 24px;
}

.btn-line:hover {
  border-color: var(--primary-500);
  color: var(--primary-600);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

/* Header */
.site-header {
  position: relative;
  z-index: 10;
  background: rgba(250, 249, 246, .96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(223, 230, 224, .7);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--primary-600), var(--primary-800));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 14px rgba(14, 94, 92, .14);
  flex-shrink: 0;
}

.logo-mark svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: #fff;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.logo-word {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .3px;
  line-height: 1.3;
}

.logo-sub {
  font-size: 10px;
  color: var(--ink-soft);
  letter-spacing: 2px;
  display: block;
  font-weight: 400;
  margin-top: -2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 10px 15px;
  border-radius: 8px;
  position: relative;
}

.main-nav a:hover {
  color: var(--primary-600);
  background: rgba(28, 139, 130, .05);
}

.main-nav a.active {
  color: var(--primary-700);
  font-weight: 600;
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 3px;
  border-radius: 99px;
  background: var(--accent);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink);
  display: block;
  border-radius: 2px;
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.mobile-menu {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 80vh;
  background: linear-gradient(115deg, #f7f4ee 0%, #e9f0ea 46%, #d8e7e2 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: .22;
  pointer-events: none;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at bottom left, #ffffff 32%, rgba(255, 255, 255, 0) 70%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 64px;
  padding: 80px 0;
}

.hero-info {
  flex: 1.1;
}

.hero-eyebrow {
  display: inline-block;
  padding: 6px 18px;
  background: var(--accent-light);
  color: var(--accent-dark);
  border-radius: 99px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .6px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(32px, 4.2vw, 49px);
  line-height: 1.28;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -1px;
  margin-bottom: 22px;
}

.hero h1 .light-text {
  color: var(--primary-600);
}

.hero-desc {
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 580px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.hero-actions .btn {
  min-height: 48px;
}

.heropic {
  flex: .92;
  position: relative;
}

.hero-screenshot {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(14, 94, 92, .08);
  overflow: hidden;
  background: var(--surface);
  transform: rotate(.6deg);
}

.hero-screenshot img {
  width: 100%;
  object-fit: cover;
}

/* Trust metrics band */
.metrics-band {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.metrics-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}

.metric-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #edf5f2;
  color: var(--primary-600);
  flex-shrink: 0;
}

.metric-icon svg {
  width: 21px;
  height: 21px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.metric-text {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}

.metric-text strong {
  font-size: 20px;
  color: var(--ink);
  font-weight: 700;
}

.metric-text span {
  font-size: 13px;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* Feature asymmetric */
.feature-zone {
  padding: var(--space-section) 0 var(--space-section);
}

.feature-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.feature-card {
  display: flex;
  gap: 22px;
  padding: 30px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid rgba(223, 230, 224, .9);
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
  align-items: flex-start;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-card .num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  padding: 6px 12px;
  background: var(--accent-light);
  border-radius: 99px;
  flex-shrink: 0;
}

.feature-content h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-content p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.feature-wide {
  margin-top: 28px;
  background: var(--primary-900);
  color: #fff;
  border-radius: var(--radius-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  overflow: hidden;
  gap: 0;
}

.feature-wide-info {
  flex: 1 1 420px;
  padding: clamp(32px, 5vw, 58px);
}

.feature-wide-info .section-label {
  color: #9edcd5;
}

.feature-wide-info h3 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.feature-wide-info p {
  color: rgba(255, 255, 255, .74);
  line-height: 1.8;
  font-size: 15px;
}

.feature-wide-info .btn {
  margin-top: 24px;
}

.feature-wide-media {
  flex: 1 1 360px;
  min-height: 300px;
  position: relative;
}

.feature-wide-media img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
}

/* Flow dark */
.flow-zone {
  background: var(--primary-900);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.flow-zone::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, .06), transparent 70%);
  right: -80px;
  top: -80px;
}

.flow-zone .section-title {
  color: #fff;
}

.flow-zone .section-sub {
  color: rgba(255, 255, 255, .62);
}

.flow-content {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.flow-step {
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
}

.flow-index {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(232, 123, 44, .25);
}

.flow-step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.flow-step p {
  font-size: 14px;
  color: rgba(255, 255, 255, .66);
  line-height: 1.8;
}

.flow-step img {
  margin-top: 20px;
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 12px;
  opacity: .88;
}

/* social proof */
.proof-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(36px, 5vw, 70px);
  align-items: center;
}

.proof-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.stat-block {
  padding: 18px 4px;
}

.stat-number {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-size: clamp(30px, 3vw, 46px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--primary-700);
  font-family: var(--font-sans);
}

.stat-number small {
  font-size: 16px;
  color: var(--primary-500);
  font-weight: 600;
}

.stat-label {
  font-size: 14px;
  color: var(--ink-soft);
  margin-top: 8px;
}

.proof-quotes {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.quote-item blockquote {
  border-left: none;
  padding-left: 24px;
  position: relative;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
}

.quote-item blockquote::before {
  content: "“";
  position: absolute;
  left: -8px;
  top: -10px;
  font-size: 40px;
  color: var(--accent);
  font-family: Georgia, serif;
  opacity: .7;
}

.quote-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.quote-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-100);
  background: #dfeee9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary-700);
  font-weight: 600;
}

.quote-meta {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.4;
}

.quote-meta strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
}

/* news cms */
.news-zone {
  background: var(--surface-soft);
}

.news-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 38px;
}

.news-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.news-tabs a {
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 99px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

.news-tabs a.cur,
.news-tabs a:hover {
  background: var(--primary-700);
  border-color: var(--primary-700);
  color: #fff;
}

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

.news-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  padding: 0;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.news-inner {
  display: block;
  padding: 26px 24px;
}

.news-inner:hover .news-title {
  color: var(--primary-600);
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.news-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 99px;
  background: #ecf4f1;
  color: var(--primary-700);
}

.news-time {
  font-size: 13px;
  color: var(--ink-soft);
}

.news-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
  color: var(--ink);
  transition: color .2s;
}

.news-summary {
  font-size: 14px;
  color: var(--ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.7;
  margin-bottom: 8px;
}

.news-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--primary-600);
  font-weight: 600;
}

.news-more svg {
  width: 14px;
  height: 14px;
}

.news-empty {
  grid-column: 1 / -1;
  min-height: 180px;
  background: var(--surface);
  border: 1px dashed var(--line-deep);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--ink-soft);
  font-size: 15px;
}

/* faq */
.faq-list {
  max-width: 900px;
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

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

.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 24px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  color: var(--ink);
  font-size: 17px;
  font-weight: 600;
}

.faq-question .faq-toggle {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  background: var(--primary-500);
  border-radius: 3px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: opacity .2s, transform .2s;
}

.faq-toggle::before {
  width: 18px;
  height: 2px;
}

.faq-toggle::after {
  width: 2px;
  height: 18px;
}

.faq-item.open .faq-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

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

.faq-answer-inner {
  padding: 0 40px 24px 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.9;
}

/* CTA / form */
.cta-zone {
  background:
    radial-gradient(at top left, rgba(28, 139, 130, .45), transparent 55%),
    var(--primary-900);
  padding: var(--space-section) 0;
  color: #fff;
}

.cta-wrap {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: clamp(36px, 6vw, 90px);
  align-items: center;
}

.cta-title {
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.35;
  font-weight: 700;
}

.cta-desc {
  color: rgba(255, 255, 255, .72);
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.9;
}

.cta-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cta-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(255, 255, 255, .84);
  font-size: 15px;
}

.cta-list .tick {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
  font-size: 12px;
  margin-top: 3px;
}

.contact-form-panel {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-title {
  font-size: 19px;
  color: var(--ink);
  font-weight: 600;
}

.form-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 500;
}

.form-grid label input,
.form-grid label textarea {
  background: #f7f5f1;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--ink);
  min-height: 46px;
  box-shadow: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
  outline: none;
}

.form-grid label textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.6;
}

.form-grid label input:focus,
.form-grid label textarea:focus {
  background: #fff;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(28, 139, 130, .1);
}

.contact-form-panel .consent {
  font-size: 12px;
  color: var(--ink-faint);
  line-height: 1.6;
  margin-top: 4px;
}

/* Footer */
.site-footer {
  background: var(--primary-900);
  color: rgba(255, 255, 255, .74);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr .9fr .9fr 1.2fr;
  gap: 40px;
  padding: 64px 0 46px;
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  margin-top: 18px;
  max-width: 340px;
}

.footer-column h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-column nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column nav a {
  font-size: 14px;
  color: rgba(255, 255, 255, .64);
}

.footer-column nav a:hover {
  color: var(--accent);
}

.footer-contact {
  font-size: 14px;
  line-height: 2.1;
}

.footer-contact a {
  color: rgba(255, 255, 255, .64);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
}

/* float bar */
.float-bar {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: 800px;
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(15, 43, 41, .14);
  border: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 16px 14px 24px;
  z-index: 200;
  transition: transform .4s ease, opacity .3s ease;
}

.float-bar.hidden-bar {
  opacity: 0;
  transform: translate(-50%, 120%);
  pointer-events: none;
}

.float-btn-close {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--ink-soft);
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all .2s;
}

.float-btn-close:hover {
  background: var(--primary-50, #eaf2ef);
  border-color: var(--line-deep);
  color: var(--ink);
}

.float-bar-text {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.float-bar-text strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
}

/* scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {
  background: #bfcac4;
  border-radius: 6px;
}

::-webkit-scrollbar-track {
  background: var(--surface-soft);
}

/* Responsive */
@media screen and (max-width: 1024px) {
  .main-nav, .header-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .mobile-menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: 16px 0;
    z-index: 99;
    transform: translateY(-112%);
    transition: transform .3s ease;
    display: block;
  }

  .mobile-menu.open {
    transform: translateY(0);
  }

  .mobile-menu-inner {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .mobile-menu a {
    padding: 12px 24px;
    font-size: 15px;
    color: var(--ink-soft);
  }

  .mobile-menu a.active {
    color: var(--primary-700);
    font-weight: 600;
    background: #f2f7f4;
  }

  .mobile-cta {
    margin: 12px 20px 6px;
    background: var(--accent);
    color: #fff;
    display: inline-flex;
    justify-content: center;
    border-radius: 10px;
    padding: 12px 20px;
    font-weight: 600;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    flex-direction: column;
    padding: 56px 0;
    gap: 36px;
  }

  .hero-info {
    flex: 1;
  }

  .heropic {
    width: 100%;
  }

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

  .flow-content {
    grid-template-columns: 1fr;
  }

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

  .proof-grid,
  .cta-wrap {
    grid-template-columns: 1fr;
  }

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

@media screen and (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 27px;
  }

  .hero-inner {
    padding: 44px 0;
  }

  .hero h1 {
    font-size: 30px;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .metrics-list {
    gap: 10px;
  }

  .metric-item {
    width: 45%;
    padding: 8px 0;
  }

  .feature-zone {
    padding-top: 56px;
  }

  .feature-card {
    flex-direction: column;
    padding: 24px;
  }

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

  .proof-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-number {
    font-size: 31px;
  }

  .quote-item blockquote {
    font-size: 15px;
  }

  .cta-zone {
    padding: 56px 0;
  }

  .contact-form-panel {
    padding: 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 48px 0 30px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .float-bar {
    width: calc(100% - 24px);
    padding: 12px 12px 12px 16px;
    bottom: 12px;
  }

  .float-bar-text {
    font-size: 12px;
  }

  .float-bar-text strong {
    font-size: 13px;
  }

  .float-bar .btn {
    min-height: 36px;
    padding: 0 14px;
    font-size: 13px;
    border-radius: 8px;
  }

  .toggle-btn-text {
    display: none;
  }
}

/* roulang page: category1 */
:root{
  --brand-950:#072f34;
  --brand-900:#0b3a40;
  --brand-800:#115257;
  --brand-700:#176d72;
  --brand-100:#e7f1ef;
  --brand-50:#f2f8f6;
  --ink:#1d3136;
  --text:#46585d;
  --muted:#728185;
  --line:#dfe7e4;
  --surface:#ffffff;
  --paper:#f8f6f1;
  --accent:#ee8b47;
  --accent-dark:#cc692a;
  --accent-soft:#fdeadd;
  --white:#ffffff;
  --shadow-sm:0 4px 16px rgba(29,49,54,.06),0 1px 3px rgba(29,49,54,.05);
  --shadow-md:0 16px 36px rgba(11,58,64,.10),0 2px 8px rgba(11,58,64,.06);
  --shadow-lg:0 28px 58px rgba(7,47,52,.16);
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:18px;
  --radius-xl:24px;
  --max-width:1380px;
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}
*, *::before, *::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-sans);background:var(--paper);color:var(--ink);line-height:1.7;font-size:16px;min-width:320px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.open-menu{overflow:hidden}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,box-shadow .25s ease}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button{border:none;background:none;cursor:pointer;font-family:inherit}
ul,ol{list-style:none}
p{line-height:1.85}
.grid-container{width:100%;max-width:var(--max-width);padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.page-wrap{width:100%;overflow:clip}

/* 通用按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 24px;border-radius:var(--radius-md);border:1px solid transparent;font-size:16px;font-weight:600;line-height:1;text-align:center;cursor:pointer;transition:all .22s ease;white-space:nowrap;letter-spacing:.01em}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--accent);color:#4b260b;border-color:var(--accent);box-shadow:0 4px 14px rgba(238,139,71,.2)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;border-color:var(--accent-dark);transform:translateY(-2px);box-shadow:0 9px 22px rgba(204,105,42,.25)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{background:rgba(255,255,255,.03);color:#dcebe8;border-color:rgba(215,237,233,.55)}
.btn-outline:hover{background:var(--brand-800);border-color:#9fc7c2;color:#fff;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0) scale(.98)}
.btn-light{background:var(--white);color:var(--brand-900);border-color:var(--white);box-shadow:0 8px 22px rgba(0,0,0,.1)}
.btn-light:hover{background:var(--brand-100);border-color:var(--brand-100);transform:translateY(-2px)}
.btn-dark{background:var(--brand-950);color:#f7fbfa;border-color:var(--brand-950)}
.btn-dark:hover{background:var(--brand-800);border-color:var(--brand-800);transform:translateY(-2px);box-shadow:0 8px 20px rgba(7,47,52,.14)}
.btn-block{width:100%}
.btn-sm{min-height:38px;padding:8px 14px;font-size:14px}
.text-accent{color:var(--accent)}
.text-muted{color:var(--muted)}

/* 顶部导航 */
.site-header{background:var(--brand-950);border-bottom:1px solid rgba(218,236,232,.14);position:sticky;top:0;z-index:1000;backdrop-filter:blur(8px)}
.header-shell{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.header-logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{display:inline-flex;width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,#297f82,#123d47);align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(23,109,114,.18)}
.logo-mark svg{width:24px;height:24px;fill:rgba(255,255,255,.92)}
.logo-word{font-size:21px;font-weight:700;color:#eef8f6;letter-spacing:.3px;font-synthesis-color:linear-gradient(90deg,#f4f8f7,#cfebe6)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.main-nav a{position:relative;display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 17px;border-radius:9px;font-size:16px;color:rgba(239,250,248,.78);font-weight:500;transition:color .2s ease,background .2s ease}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.main-nav a.active{color:#fff;background:rgba(255,255,255,.12);font-weight:600}
.main-nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--accent);border-radius:2px}
.header-action{margin-left:8px}
.header-action .btn{background:var(--accent);min-height:42px;padding:0 20px;color:#442006;border-color:var(--accent)}
.header-action .btn:hover{background:#f89450;color:#2c1a09}
.nav-toggle{display:none}
.mobile-touchline{display:none}

/* 移动端导航 */
@media(max-width:1023px){
  .site-header .grid-container{max-width:100%;padding-left:16px;padding-right:16px}
  .header-shell{height:62px}
  .logo-word{font-size:18px}
  .logo-mark{width:32px;height:32px;border-radius:8px}
  .header-action{display:none}
  .nav-toggle{display:inline-flex;width:42px;height:42px;border-radius:9px;background:rgba(255,255,255,.08);align-items:center;justify-content:center;flex-direction:column;gap:4px;border:1px solid rgba(255,255,255,.12)}
  .nav-toggle span{width:18px;height:2px;background:#eef8f6;border-radius:2px;display:block;transition:.25s ease}
  .site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
  .site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .main-nav{display:block;position:absolute;left:0;top:62px;right:0;background:var(--brand-950);border-bottom:2px solid rgba(215,237,233,.15);padding:14px 16px 20px;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .2s ease,transform .2s ease,visibility .2s;margin-left:0}
  .site-header.nav-open .main-nav{visibility:visible;opacity:1;transform:none}
  .main-nav a{display:flex;height:48px;padding:0 14px;color:#dcefeb;border-radius:10px}
  .main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,.1);color:#fff}
  .main-nav a.active::after{display:none}
  .mobile-touchline{display:block;padding:8px 4px 2px;border-top:1px solid rgba(255,255,255,.1);margin-top:10px}
  .mobile-touchline a{justify-content:center;background:var(--accent);color:#2d1b08;font-weight:700;border-radius:9px}
  .mobile-touchline p{margin-top:12px;text-align:center;color:rgba(255,255,255,.55);font-size:13px}
}

/* Hero区域 */
.portal-hero{position:relative;background:linear-gradient(135deg,rgba(7,47,52,.95) 0%,rgba(18,76,82,.88) 45%,rgba(11,58,64,.92) 100%),url("/assets/images/backpic/back-1.webp") center/cover;color:#ecf7f4;overflow:hidden;}
.hero-bg-decor{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 12% 22%,rgba(238,139,71,.16),transparent 24%),radial-gradient(circle at 86% 76%,rgba(28,139,144,.2),transparent 30%);}
.portal-hero .grid-container{position:relative;z-index:1}
.hero-home{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;padding-top:84px;align-items:center}
.hero-copy{padding-bottom:54px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:6px 14px;border-radius:40px;font-size:14px;color:#eaf9f5;margin-bottom:24px}
.hero-kicker::before{content:"";width:7px;height:7px;background:var(--accent);border-radius:50%}
.hero-copy h1{font-size:clamp(34px,5vw,54px);line-height:1.2;font-weight:700;letter-spacing:1px;margin:0 0 20px;color:#fff}
.hero-lead{font-size:18px;color:rgba(235,247,244,.8);max-width:560px;line-height:1.8;margin-bottom:32px}
.hero-btnline{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-window{position:relative;transform:perspective(900px) rotateY(-1.5deg)}
.win-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:14px;backdrop-filter:blur(4px);box-shadow:0 32px 66px rgba(4,32,38,.45)}
.win-bar{background:rgba(6,35,39,.55);border-radius:11px 11px 0 0;padding:12px 14px;display:flex;align-items:center;gap:8px}
.win-dot{width:9px;height:9px;border-radius:50%;background:#cf5c3b}
.win-dot:nth-child(2){background:#dfa43b}
.win-dot:nth-child(3){background:#52a27d}
.win-url{flex:1;margin-left:10px;background:rgba(255,255,255,.1);border-radius:5px;height:21px;padding:0 8px;font-size:11px;color:rgba(235,255,251,.6);line-height:21px}
.win-box{margin-top:12px;background:var(--surface);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}
.win-box img{min-height:286px;object-fit:cover;width:100%}
.win-float{position:absolute;right:-12px;bottom:-18px;left:auto;background:#fff;border-radius:var(--radius-md);padding:14px 18px;box-shadow:var(--shadow-md);z-index:4;color:#234046;border:1px solid rgba(60,83,85,.12)}
.win-float strong{display:flex;align-items:center;gap:10px;font-weight:600;color:#0d464c}
.win-float svg{width:24px;height:24px;color:#1d716c}
.win-float span{display:block;font-size:13px;color:#778489}
.hero-metrics{margin-top:22px;border-top:1px solid rgba(255,255,255,.16);padding:30px 0 40px;display:flex;flex-wrap:wrap;gap:18px 42px}
.metric-item{display:flex;align-items:center;gap:12px;color:#ecf7f4;font-size:15px}
.metric-item svg{width:22px;height:22px;color:#f4a56c;stroke:currentColor;fill:none;stroke-width:1.8}
@media(max-width:1023px){
 .hero-home{grid-template-columns:1fr;gap:38px;padding-top:50px}
 .hero-copy{padding-bottom:0}
 .hero-window{max-width:580px;transform:none}
}

/* 内容区块通用 */
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section .grid-container{position:relative}
.sec-head{max-width:780px;margin-bottom:50px}
.sec-eyebrow{font-size:14px;font-weight:600;letter-spacing:3px;color:var(--accent-dark);text-transform:uppercase;display:flex;align-items:center;gap:12px}
.sec-eyebrow::before{content:"";width:38px;height:2px;background:var(--accent);border-radius:2px}
h2.sec-title{font-size:clamp(26px,3.5vw,38px);line-height:1.25;color:var(--brand-950);margin:13px 0 14px;font-weight:700;letter-spacing:.4px}
.sec-desc{color:#4f646a;font-size:16px;max-width:720px}
.center{text-align:center}
.center .sec-eyebrow{justify-content:center}
.center .sec-eyebrow::after{content:"";width:38px;height:2px;background:var(--accent)}
.center .sec-desc{margin-left:auto;margin-right:auto}

/* 能力地图 */
.cap-section{background:var(--paper);padding-bottom:96px}
.cap-top{display:grid;grid-template-columns:1fr 1.8fr;gap:28px;align-items:center;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;border:1px solid var(--line);margin-bottom:10px}
.cap-intro{background:var(--brand-950);padding:42px 38px;color:#e9f4f1;min-height:280px}
.cap-intro h2{color:#fff;font-size:25px;line-height:1.45;margin:15px 0 18px;font-weight:600}
.cap-intro > p{color:rgba(230,246,242,.82);font-size:15px}
.cap-intro ul{margin:24px 0 0;display:grid;gap:12px;color:rgba(238,250,248,.9)}
.cap-intro li{display:flex;gap:9px}
.cap-intro li::before{content:"✓";color:#f4a56c;font-weight:700;width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;background:rgba(238,139,71,.16);border-radius:50%}
.cap-title-head{color:#f4a56c;font-size:13px;letter-spacing:2.5px}
.cap-tip{font-size:15px;color:#597277;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 9px 9px 0;padding:17px 18px;margin-bottom:24px}
.cap-cards{padding:34px 20px 22px;background:#fdfcfa;border-left:1px solid var(--line)}
.module-flow{display:grid;grid-template-columns:1fr;gap:0}
.module-row{display:grid;grid-template-columns:64px 1fr auto;align-items:center;padding:17px 8px;border-bottom:1px solid #edf1ef;transition:background .2s ease}
.module-row:hover{background:#f8fbf8}
.module-no{font-family:Georgia,"Times New Roman",serif;font-size:15px;color:var(--accent-dark)}
.module-main h3{margin:0;font-size:17px;color:#173137;font-weight:600}
.module-main p{margin:3px 0 0;font-size:14px;color:#718084}
.module-tag{display:inline-flex;font-size:13px;padding:5px 11px;background:#eef3f0;color:#496369;border-radius:40px;white-space:nowrap}
@media(max-width:1023px){
 .cap-top{grid-template-columns:1fr}
 .cap-intro{min-height:auto}
 .module-row{grid-template-columns:56px 1fr;gap:8px 12px}
 .module-tag{grid-column:2;justify-self:start}
}

/* 深色流程区 */
.flow-section{background:var(--brand-950);color:#f2f9f7;position:relative;overflow:hidden;padding:86px 0 92px}
.flow-section::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 88% 20%,rgba(33,142,145,.2),transparent 26%),url("/assets/images/backpic/back-2.webp");background-size:cover;opacity:.16}
.flow-section .grid-container{position:relative}
.flow-inner{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:62px;flex-wrap:wrap}
.flow-head{max-width:700px}
.flow-kicker{color:#f2a36f;font-weight:600;letter-spacing:3px;font-size:13px;display:block;margin-bottom:14px}
.flow-inner h2{margin:0 0 14px;font-size:clamp(26px,3vw,36px);color:#fff;line-height:1.3}
.flow-inner p{color:rgba(236,247,244,.75)}
.flow-series{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:flow}
.step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:30px 24px;border-radius:var(--radius-lg);position:relative;min-height:230px;backdrop-filter:blur(4px);transition:transform .22s,background .22s}
.step:hover{transform:translateY(-5px);background:rgba(255,255,255,.1)}
.step-ico{width:42px;height:42px;border-radius:50%;background:rgba(238,139,71,.92);color:#3d250f;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:22px;font-size:17px}
.step h3{color:#fff;font-size:19px;margin-bottom:10px}
.step p{color:rgba(232,248,244,.68);font-size:14px;line-height:1.85}
.flow-note{display:block;margin-top:46px;background:rgba(255,255,255,.1);border-radius:var(--radius-md);padding:20px 24px;border-left:3px solid var(--accent)}
.flow-note a{color:#ffd9bd;margin-left:20px;font-weight:600}
.flow-note a:hover{color:#fff}
@media(max-width:900px){
 .flow-series{grid-template-columns:1fr}
 .step{min-height:auto;padding:24px 22px}
}

/* 场景图文区 */
.scene-section{background:#fff}
.scene-block{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.scene-copy h2{color:var(--brand-950);font-size:clamp(25px,3vw,34px);margin:12px 0 16px}
.scene-copy p{color:#587277;margin-bottom:18px}
.scene-list{margin-top:28px;display:grid;gap:20px}
.scene-list li{position:relative;padding-left:47px;min-height:42px}
.scene-list li::before{content:"";position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:9px;background:var(--brand-100);border:1px solid #dce8e4}
.scene-list strong{display:block;color:#2a464b;font-weight:600}
.scene-list strong em{position:absolute;left:5px;top:-4px;font-style:normal;width:32px;height:32px;line-height:34px;text-align:center;font-family:Georgia,serif;color:var(--accent-dark);font-size:15px;font-weight:700}
.scene-list span{font-size:14px;color:#6d8186}
.scene-visual{position:relative}
.scene-visual .cover-photo{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);background:#f2f0ea}
.scene-visual .cover-photo img{width:100%;aspect-ratio:5/4;object-fit:cover}
.dash-note{position:absolute;left:-20px;bottom:46px;background:#fff;box-shadow:var(--shadow-lg);border-radius:14px;padding:16px 20px;max-width:230px;border:1px solid rgba(27,57,60,.08)}
.dash-note b{color:#16474b}
.dash-note small{display:block;color:#718083;font-size:12px}
@media(max-width:1023px){
 .scene-block{grid-template-columns:1fr;gap:48px}
 .dash-note{left:auto;right:12px;bottom:-20px}
}
/* 中型 banner */
.feature-banner{margin-top:46px;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;background:linear-gradient(110deg,#f7f2eb, #f2f5f0);display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center}
.feature-banner h3{margin-bottom:8px;color:#16363c}
.feature-banner p{color:#61747a;max-width:760px;font-size:15px}
.banner-link a{display:inline-flex;font-weight:600;color:var(--accent-dark)}
.banner-link a:hover{color:var(--brand-800)}

/* FAQ */
.faq-section{background:var(--paper)}
.faq-layout{display:grid;grid-template-columns:1fr 1.6fr;gap:44px}
.faq-head h2{font-size:clamp(25px,3vw,35px);color:var(--brand-950);margin:14px 0 12px}
.faq-head p{color:#637377;font-size:15px}
.faq-ask-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:#fff}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;font-size:16px;color:#17373d;padding:20px 18px;text-align:left;font-weight:600;gap:16px;transition:.2s}
.faq-q:hover{color:var(--accent-dark)}
.faq-icon{width:26px;height:26px;border-radius:7px;background:#e8efec;position:relative;flex-shrink:0;transition:transform .25s}
.faq-icon::before{content:"";width:12px;height:2px;background:var(--brand-700);position:absolute;left:7px;top:12px}
.faq-icon::after{content:"";width:2px;height:12px;background:var(--brand-700);position:absolute;left:12px;top:7px;transition:.2s}
.faq-item.is-open .faq-icon{transform:rotate(135deg)}
.faq-a{display:none;padding:0 18px 20px;color:#50676d;font-size:15px;line-height:1.9}
.faq-a p{margin-bottom:10px}
.faq-item.is-open .faq-a{display:block;animation:faqIn .3s ease}
@keyframes faqIn{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}
@media(max-width:900px){.faq-layout{grid-template-columns:1fr}}

/* 最终 CTA */
.lead-section{background:#0b3a40;position:relative;color:#f2faf8;overflow:hidden}
.lead-section::before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-3.webp") center/cover;opacity:.1}
.lead-inner{position:relative;padding:68px 0}
.lead-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.lead-copy h2{font-size:clamp(25px,3.4vw,36px);margin:0 0 16px;color:#fff;line-height:1.35}
.lead-copy p{color:rgba(235,248,245,.78);font-size:16px;max-width:420px}
.contact-meta{margin-top:25px;border-top:1px solid rgba(255,255,255,.18);padding-top:25px;display:flex;gap:30px;flex-wrap:wrap}
.contact-meta b{color:#ffbe87;display:block;font-size:20px}
.contact-meta span{font-size:13px;color:rgba(226,244,240,.65)}
.lead-form-wrap{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:32px 28px;backdrop-filter:blur(4px)}
.lead-form-wrap h3{margin:0 0 18px;color:#fff;font-weight:600}
.form-line{margin-bottom:17px}
.form-line label{display:block;margin-bottom:6px;color:#d9ebe7;font-size:14px;font-weight:500}
.form-line input,.form-line textarea{width:100%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:9px;outline:0;height:48px;padding:0 14px;font-size:15px;color:#fff;font-family:inherit;transition:border .2s,background .2s}
.form-line textarea{height:94px;padding:12px 14px;resize:none}
.form-line input:focus,.form-line textarea:focus{border-color:var(--accent);background:rgba(255,255,255,.17)}
.form-line input::placeholder,.form-line textarea::placeholder{color:rgba(235,248,245,.4)}
.lead-submit{width:100%;height:48px;background:var(--accent);color:#2d1f0a;font-size:16px;font-weight:700;border-radius:10px;margin-top:4px;transition:all .2s}
.lead-submit:hover{background:#fdb06d;transform:translateY(-2px)}
.lead-submit:active{transform:scale(.97)}
.form-privacy{margin-top:12px;font-size:12px;color:rgba(226,240,238,.5);text-align:center}
/* Footer */
.site-footer{background:var(--brand-950);color:#d6e6e2;font-size:15px;padding:58px 0 0}
.footer-top{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.3fr;gap:42px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand p{max-width:360px;margin-top:15px;color:rgba(219,236,232,.72);line-height:1.8;font-size:14px}
.footer-top .logo .logo-word{color:#fff;font-size:19px}
.footer-top .logo .logo-mark{width:33px;height:33px}
.site-footer h4{margin:0 0 16px;color:#f7fbfa;font-size:17px;font-weight:600;padding-bottom:8px;position:relative}
.site-footer h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent)}
.site-footer h4:not(:first-child){margin-top:0}
.footer-column nav{display:grid;gap:10px}
.footer-column nav a,.footer-contact div{color:rgba(209,235,231,.7);display:inline-flex;text-decoration:none;line-height:1.7;transition:color .2s}
.footer-column nav a:hover,.footer-contact div:hover{color:#ffd3b8}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;align-items:center;padding:26px 0;font-size:13px;color:rgba(202,228,223,.55)}
.footer-bottom span:first-child{color:rgba(220,240,236,.75)}
@media(max-width:1024px){
 .footer-top{grid-template-columns:1fr 1fr;gap:32px}
 .footer-bottom{justify-content:center}
}
@media(max-width:680px){
 .footer-top{grid-template-columns:1fr}
 .footer-brand p{max-width:100%}
 .footer-column nav a{font-size:15px}
 .section{padding:60px 0}
}

/* roulang page: article */
:root {
  --primary: #0e6b66;
  --primary-strong: #0b5550;
  --primary-dark: #083f3b;
  --primary-tint: #e2f1ee;
  --accent: #e27a3f;
  --accent-hover: #c8682d;
  --bg: #f5f2ec;
  --bg-deep: #eef2ec;
  --surface: #ffffff;
  --text: #17322d;
  --text-soft: #56726d;
  --border: rgba(15, 51, 47, .14);
  --font-sans: "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow-xs: 0 1px 2px rgba(16, 47, 42, .05);
  --shadow-sm: 0 6px 16px rgba(16, 47, 42, .07);
  --shadow-md: 0 16px 36px rgba(16, 47, 42, .10);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--text);
  margin: 0;
  line-height: 1.35;
  font-weight: 700;
}
p { margin: 0; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary-dark);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: .02em;
  white-space: nowrap;
}
.logo:hover { color: var(--primary); }
.logo-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 11px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 14px rgba(11, 94, 89, .18);
}
.logo-mark svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}
.logo-word { white-space: nowrap; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(255, 255, 255, .94);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  height: 78px;
  gap: 20px;
}
.nav-switch {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--primary-dark);
  padding: 9px;
  cursor: pointer;
  line-height: 0;
  margin-left: auto;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.nav-toggle:hover { color: var(--primary); border-color: var(--primary); background: var(--primary-tint); }
.nav-toggle svg { fill: none; stroke: currentColor; }

.nav-panel {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  position: relative;
  padding: 9px 13px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-soft);
  text-decoration: none;
  border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 2px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after,
.main-nav a.active::after { transform: scaleX(1); }
.main-nav a.active { color: var(--primary); font-weight: 700; }

.nav-cta { margin-left: 6px; }

.btn, .btn-accent, .btn-light, .btn-outline, .btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 11px 20px;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:focus-visible, .btn-accent:focus-visible, .btn-light:focus-visible, .btn-outline:focus-visible, .btn-outline-light:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(226, 122, 63, .22);
}
.btn-accent:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(226, 122, 63, .28);
}
.btn-accent:active { transform: translateY(0) scale(.98); }
.btn-light { background: #fff; color: var(--primary-dark); }
.btn-light:hover { background: var(--primary-tint); color: var(--primary-dark); transform: translateY(-1px); }
.btn-outline {
  border-color: var(--border);
  background: var(--surface);
  color: var(--primary);
}
.btn-outline:hover { border-color: var(--primary); background: var(--primary-tint); color: var(--primary); }
.btn-outline-light {
  border-color: rgba(255, 255, 255, .55);
  background: transparent;
  color: #fff;
}
.btn-outline-light:hover { background: rgba(255, 255, 255, .12); color: #fff; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-soft); transition: color .2s ease; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: rgba(15, 51, 47, .3); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-tint);
  color: var(--primary);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
}
.badge-accent { background: rgba(226, 122, 63, .12); color: var(--accent); }

.site-main { min-height: 70vh; }

.article-head-section {
  padding: 52px 0 20px;
  background: var(--bg);
}
.article-shell { max-width: 860px; margin: 0 auto; }
.article-topline {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .18em;
  color: var(--accent);
  margin-bottom: 8px;
  display: block;
}
.article-head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  color: var(--text-soft);
  font-size: 14px;
}
.article-head-row i { color: var(--accent); margin-right: 4px; }
.article-title {
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.28;
  letter-spacing: -.02em;
  max-width: 900px;
}
.article-deck {
  margin-top: 14px;
  max-width: 800px;
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.9;
}

.article-content-section { padding: 10px 0 48px; background: var(--bg); }

.article-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  align-items: center;
  color: var(--text-soft);
  font-size: 14px;
  padding: 13px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.article-meta-strip i { margin-right: 6px; color: var(--accent); }

.article-content {
  font-size: 17px;
  line-height: 1.95;
  color: var(--text);
  overflow-wrap: break-word;
}
.article-content p { margin: 0 0 22px; }
.article-content h2 {
  font-size: 26px;
  line-height: 1.4;
  margin: 2em 0 .8em;
  padding-bottom: .3em;
  border-bottom: 1px solid var(--border);
}
.article-content h3 {
  font-size: 21px;
  line-height: 1.45;
  margin: 1.8em 0 .6em;
}
.article-content h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 1.6em 0 .5em;
}
.article-content ul,
.article-content ol {
  padding-left: 1.4em;
  margin: 0 0 22px;
}
.article-content li { margin: 6px 0; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; word-break: break-word; }
.article-content a:hover { color: var(--accent); }
.article-content img {
  width: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: 28px auto;
  box-shadow: var(--shadow-sm);
}
.article-content blockquote {
  margin: 28px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--accent);
  background: var(--primary-tint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--primary-dark);
}
.article-content blockquote p { margin-bottom: 0; }
.article-content code {
  background: rgba(15, 51, 47, .06);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: .92em;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 15px;
}
.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}
.article-content th {
  background: var(--primary-tint);
  color: var(--primary-dark);
}

.share-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 24px 0;
  margin-top: 36px;
  border-bottom: 1px solid var(--border);
}
.share-bar-label { color: var(--text-soft); font-size: 14px; font-weight: 600; }
.share-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.post-navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: flex-start;
  padding-top: 24px;
}
.post-navigation .post-link { color: var(--text-soft); font-size: 14px; font-weight: 500; }
.post-navigation .post-link:hover { color: var(--primary); }
.post-navigation .post-link + .post-link { margin-left: auto; }

.notfound-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
  background: var(--surface);
  border: 1px dashed rgba(15, 51, 47, .25);
  border-radius: var(--radius-lg);
  padding: 60px 28px;
  margin-top: 30px;
}
.notfound-panel i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 76px;
  border-radius: 22px;
  color: var(--primary);
  background: var(--primary-tint);
  font-size: 32px;
  opacity: .85;
}
.notfound-panel p { max-width: 520px; color: var(--text-soft); }

.related-section {
  background: var(--bg-deep);
  padding: 72px 0;
}
.section-heading { margin-bottom: 34px; }
.section-eyebrow {
  display: block;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--accent);
  margin-bottom: 8px;
}
.section-heading h2 {
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -.01em;
}
.section-heading .section-note {
  color: var(--text-soft);
  margin-top: 10px;
  font-size: 16px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.cover-box {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--primary-tint);
}
.cover-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.related-card:hover .cover-box img { transform: scale(1.04); }
.related-body {
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
}
.related-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-soft);
}
.card-title-h3 {
  font-size: 18px;
  line-height: 1.5;
  color: var(--text);
  transition: color .2s ease;
}
.related-card:hover .card-title-h3 { color: var(--primary); }
.related-card .desc {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-footer {
  margin-top: auto;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}
.related-footer i { font-size: 12px; }

.article-cta-band {
  position: relative;
  background-image: linear-gradient(to right, rgba(8, 63, 59, .92), rgba(14, 107, 102, .88)), url('/assets/images/backpic/back-2.webp');
  background-position: center;
  background-size: cover;
  padding: 72px 0;
  text-align: center;
  color: #fff;
}
.cta-inner { max-width: 780px; margin: 0 auto; }
.cta-inner h2 {
  color: #fff;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.35;
}
.cta-inner p { color: rgba(255, 255, 255, .82); margin-top: 14px; font-size: 16px; }
.cta-group { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, .66);
  padding: 0 0 20px;
}
.site-footer .container { max-width: 1280px; }
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding: 52px 0 40px;
}
.site-footer .logo { color: #fff; }
.footer-brand p {
  margin-top: 14px;
  color: rgba(255, 255, 255, .48);
  font-size: 15px;
  max-width: 340px;
}
.footer-column h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 14px;
  font-weight: 700;
}
.footer-column nav { display: flex; flex-direction: column; gap: 0; }
.footer-column nav a,
.footer-column a {
  display: inline-block;
  padding: 4px 0;
  color: rgba(255, 255, 255, .55);
  transition: color .2s ease, padding-left .2s ease;
}
.footer-column a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact > div {
  padding: 3px 0;
  color: rgba(255, 255, 255, .52);
  font-size: 15px;
}
.footer-contact p { color: rgba(255, 255, 255, .36); margin-top: 12px; font-size: 13px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .45);
}

@media (max-width: 1024px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
  }
  .nav-panel {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    margin: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 40px rgba(8, 40, 36, .1);
    padding: 18px 28px 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav-switch:checked ~ .nav-panel { display: flex; }
  .main-nav {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .main-nav a {
    padding: 13px 4px;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
  }
  .main-nav a::after { display: none; }
  .main-nav a.active { color: var(--accent); }
  .nav-cta {
    margin: 14px 0 0;
    width: 100%;
    justify-content: center;
  }
  .article-head-section { padding-top: 40px; }
  .related-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .article-head-section { padding-top: 32px; }
  .article-content { font-size: 16px; }
  .article-shell { max-width: 100%; }
  .article-title { font-size: 30px; }
  .article-meta-strip { gap: 12px; }
  .share-bar { flex-direction: column; align-items: flex-start; }
  .post-navigation .post-link + .post-link { margin-left: 0; }
  .article-cta-band { padding: 56px 0; }
}

@media (max-width: 620px) {
  .header-inner { height: 70px; gap: 10px; }
  .logo { font-size: 19px; }
  .logo-mark { width: 34px; height: 34px; flex-basis: 34px; border-radius: 10px; }
  .nav-cta { font-size: 15px; }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 40px 0 32px;
  }
  .related-grid { grid-template-columns: 1fr; gap: 18px; }
  .related-section { padding: 54px 0; }
  .post-navigation { flex-direction: column; align-items: flex-start; }
  .cta-group .btn { width: 100%; max-width: 340px; }
  .notfound-panel { padding: 44px 18px; }
}

@media (max-width: 420px) {
  .container { padding: 0 16px; }
  .header-inner { padding: 0 2px; }
  .logo .logo-word { font-size: 17px; }
  .logo-mark { width: 31px; height: 31px; flex-basis: 31px; }
  .nav-panel { padding-left: 20px; padding-right: 20px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

/* roulang page: category2 */
:root {
  --primary: #165c68;
  --primary-deep: #0a3c46;
  --primary-dark: #062e36;
  --primary-light: #e4f1ef;
  --primary-rgb: 22, 92, 104;
  --accent: #dc6f3c;
  --accent-deep: #c2562a;
  --accent-dark: #a94823;
  --page: #f6f4ec;
  --surface: #fffdf9;
  --ink: #22333a;
  --text: #33474e;
  --muted: #60777e;
  --border: #d8e0dc;
  --line-light: rgba(255,255,255,.15);
  --shadow-sm: 0 4px 20px rgba(15,32,38,.06);
  --shadow-md: 0 12px 38px rgba(15,32,38,.08);
  --shadow-lg: 0 22px 56px rgba(15,32,38,.12);
  --radius: 18px;
  --radius-small: 10px;
  --radius-tag: 7px;
  --space-section: clamp(64px, 8vw, 110px);
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans CN", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Arial", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--page);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--accent); }
ul, ol { margin: 0; padding: 0; }
p { margin-top: 0; }
h1, h2, h3, h4, h5 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(34px, 4vw, 48px); }
h2 { font-size: clamp(27px, 3.2vw, 38px); }
h3 { font-size: clamp(18px, 1.8vw, 23px); }
h4 { font-size: 18px; }
input, button, textarea, select { font-family: inherit; }
button { cursor: pointer; }

.container {
  max-width: 1340px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 4vw, 48px);
  padding-right: clamp(16px, 4vw, 48px);
  width: 100%;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  font-weight: 600;
  padding: 12px 24px;
  min-height: 44px;
  font-size: 15px;
  transition: background .25s, color .25s, border .25s, transform .15s, box-shadow .25s;
  text-align: center;
  line-height: 1.2;
}
.btn i { font-size: 14px; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 6px 16px rgba(220,111,60,.18);
}
.btn-primary:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(220,111,60,.22);
}
.btn-primary:focus-visible, .btn-outline:focus-visible, .nav-toggle:focus-visible, .footer-column a:focus-visible, .nav-links a:focus-visible, .accordion-head:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: rgba(22,92,104,.45);
}
.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(22,92,104,.06);
  color: var(--primary-deep);
}
.btn-white {
  background: #fff;
  color: var(--primary-deep);
}
.btn-white:hover {
  background: var(--primary-light);
  color: var(--primary-deep);
}
.btn-block { width: 100%; }

/* header */
.site-header {
  background: rgba(255,253,248,.94);
  backdrop-filter: blur(8px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  border-bottom: 1px solid rgba(22,92,104,.09);
}
.site-header .header-wrapper {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: 12px;
  flex-shrink: 0;
}
.logo-mark svg { fill: #fff; width: 22px; height: 22px; }
.logo-word {
  font-size: 19px;
  font-weight: 800;
  color: var(--primary-deep);
  letter-spacing: .02em;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: clamp(8px, 1.8vw, 26px);
}
.main-nav a {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  padding: 8px 2px;
  transition: color .25s;
  white-space: nowrap;
}
.main-nav a::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(.6);
  transition: transform .3s, opacity .3s;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after { opacity: 1; transform: scaleX(1); }
.main-nav a.active {
  color: var(--primary);
  font-weight: 700;
}
.main-nav a.active::after {
  opacity: 1;
  transform: scaleX(1);
}
.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.header-cta .btn { min-height: 42px; padding: 10px 18px; font-size: 14px; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
}
@media screen and (max-width: 1024px) {
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    position: fixed;
    top: 72px;
    right: 0;
    background: var(--surface);
    width: min(300px, 88vw);
    flex-direction: column;
    padding: 28px 20px 34px;
    gap: 10px;
    border-radius: 0 0 16px 16px;
    box-shadow: var(--shadow-lg);
    transform: translateX(105%);
    transition: transform .3s ease;
    align-items: stretch;
  }
  .main-nav.open {
    transform: translateX(0);
  }
  .main-nav a {
    padding: 12px 12px;
    border-radius: 10px;
    font-size: 16px;
  }
  .main-nav a.active,
  .main-nav a:hover {
    background: var(--primary-light);
    color: var(--primary);
  }
  .main-nav a::after { display: none; }
  .header-cta { margin-left: auto; }
}
@media screen and (max-width: 560px) {
  .header-cta .header-cta-text{ display:none; }
  .header-cta .btn { padding: 10px 12px; font-size:13px; }
  .logo-word { font-size: 16px; }
  .logo-mark { width: 32px; height: 32px; border-radius: 10px; }
}

/* hero */
.sc-hero {
  background:
    linear-gradient(102deg, rgba(7,45,53,.94), rgba(17,80,89,.88)),
    url('/assets/images/backpic/back-1.webp') center/cover;
  color: #fff;
  margin-top: 72px;
  position: relative;
  overflow: hidden;
  padding: clamp(74px, 9vw, 130px) 0 70px;
}
.sc-hero::after {
  content:"";
  position: absolute;
  right: -6%;
  top: -14%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(220,111,60,.15) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.06fr 1fr;
  gap: clamp(24px, 5vw, 70px);
  align-items: center;
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  font-size: 13px;
  gap: 4px;
  margin-bottom: 22px;
  color: rgba(255,255,255,.7);
  padding: 0;
}
.breadcrumb a {
  color: rgba(255,255,255,.8);
  transition: color .2s;
}
.breadcrumb a:hover { color: #fff; }
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: #e8f2f0;
  margin-bottom: 16px;
  letter-spacing: .05em;
}
.sc-hero h1 {
  color: #fff;
  margin-bottom: 20px;
}
.hero-lead {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255,255,255,.85);
  max-width: 560px;
  margin-bottom: 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items:center; }
.btn-hero { background: #fff; color: var(--primary-deep); }
.btn-hero:hover { background: var(--accent); color:#fff; border-color: var(--accent); }
.hero-imagery {
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.2);
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
  position: relative;
}
.hero-imagery img { width:100%; height: 330px; object-fit: cover; border-radius: 20px; }
.hero-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 46px;
}
.hero-meta {
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.17);
  padding: 10px 15px;
  border-radius: 34px;
  font-size: 13px;
  color: rgba(255,255,255,.9);
}
@media screen and (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-imagery { max-width: 540px; }
}

/* section common */
.section {
  padding: var(--space-section) 0;
  position: relative;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}
.section-label i { font-size: 12px; }
.section-head {
  max-width: 760px;
  margin-bottom: 44px;
}
.section-head p { font-size: 16px; color: var(--muted); margin: 10px 0 0; }

/* scenario full width cards */
.scenario-main {
  background: var(--surface);
}
.scenario-wide-card {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px 26px;
  background: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s, transform .3s;
  margin-bottom: 20px;
}
.scenario-wide-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.scenario-wide-icon {
  flex: 0 0 66px;
  width: 66px;
  height: 66px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
}
.scenario-wide-body { flex: 1; min-width: 220px; }
.scenario-wide-body h3 { margin-bottom: 8px; font-size: 19px; }
.scenario-wide-body p { margin: 0; color: var(--muted); font-size: 15px; }
.scenario-wide-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  padding: 4px 8px;
}

/* flow + image compare rows */
.comparison-area {
  background: var(--primary-dark);
  color: #fff;
}
.comparison-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
}
.comparison-copy h2 { color:#fff; }
.comparison-copy p { color: rgba(255,255,255,.78); margin-bottom: 22px; font-size: 16px; }
.comparison-list { list-style:none; padding:0; }
.comparison-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,.13);
  color: rgba(255,255,255,.88);
  font-size: 15px;
}
.comparison-list li:last-child { border-bottom:0; }
.comparison-list i { color: var(--accent); margin-top: 5px; font-size: 14px; }
.comparison-media {
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 28px 70px rgba(0,0,0,.3);
  overflow: hidden;
}
.comparison-media img { width:100%; height: 400px; object-fit: cover; }

@media screen and (max-width: 860px) {
  .comparison-inner { grid-template-columns: 1fr; }
  .comparison-media img { height: auto; max-height: 360px; }
}

/* demo cases */
.case-tile {
  background: var(--surface);
  border:1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform .3s, box-shadow .3s;
  height: 100%;
}
.case-tile:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.case-media img { width:100%; height:190px; object-fit:cover; }
.case-body { padding: 22px 22px 18px; display:flex; flex-direction:column; gap:8px; flex:1; }
.case-tag { font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 4px 10px; border-radius: 5px; display:inline-block; width:auto; align-self:flex-start; }
.case-body p { color: var(--muted); font-size: 15px; margin-bottom:0; }
.case-link { margin-top:auto; color: var(--accent); font-size:14px; font-weight:600; display:inline-flex; gap:6px; align-items:center; }

/* process steps */
.step-wrap {
  display:flex;
  gap: 24px;
}
.step-col {
  display:flex;
  align-content:flex-start;
}
.step-num {
  font-family: var(--font-num);
  font-size: 50px;
  line-height:1;
  font-weight:800;
  color: #fff;
  background: var(--primary);
  -webkit-background-clip: text;
  background-clip: no-text;
  -webkit-text-fill-color: transparent;
  margin-right: 14px;
}
.step-content h3 { font-size: 19px; }
.step-content p { color: var(--muted); font-size: 15px; }

/* faq */
.faq-wrap {
  max-width: 880px;
}
.faq-item { border-bottom: 1px solid var(--border); }
.faq-head {
  display:flex;
  width:100%;
  border:0;
  background: transparent;
  padding: 20px 4px 20px 0;
  font-weight:700;
  color: var(--ink);
  font-size: 17px;
  justify-content: space-between;
  gap: 20px;
  text-align:left;
  cursor:pointer;
  transition: color .2s;
}
.faq-head:hover { color: var(--primary); }
.faq-head i { color: var(--accent); font-size: 16px; transition: transform .3s; }
.faq-item.open .faq-head i { transform: rotate(45deg); }
.faq-ans { display:none; padding: 0 24px 22px 0; color: var(--muted); line-height:1.85; font-size:15px; }
.faq-item.open .faq-ans { display:block; }

/* final cta */
.final-cta {
  background:
    linear-gradient(118deg, rgba(10,52,63,.98), rgba(22,92,104,.96)),
    url('/assets/images/backpic/back-2.webp') center/cover;
  color: #fff;
  border-radius: 0;
  padding: clamp(60px, 8vw, 90px) 0;
}
.final-cta .cta-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(28px, 5vw, 80px);
  align-items:center;
}
.cta-left h2 { color:#fff; margin-bottom:14px; }
.cta-left p { color: rgba(255,255,255,.82); }
.cta-form { background: rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.18); padding: 28px; border-radius: 20px; backdrop-filter: blur(6px); }
.cta-form .form-label { display:block; font-size:13px; color: rgba(255,255,255,.75); margin: 0 0 6px; }
.cta-form input, .cta-form textarea, .cta-form select {
  width:100%;
  background: rgba(255,255,255,.94);
  border:1px solid rgba(255,255,255,.3);
  border-radius: 10px;
  padding: 10px 13px;
  margin-bottom: 15px;
  font-size: 15px;
  color: var(--ink);
}
.cta-form input:focus, .cta-form textarea:focus {
  outline: 2px solid var(--accent);
  border-color: transparent;
}
.cta-form textarea { min-height: 88px; }
.cta-form .btn { width:100%; }
.form-note { color: rgba(255,255,255,.6); font-size: 13px; margin: 4px 0 0; }
@media screen and (max-width: 900px) {
  .final-cta .cta-grid { grid-template-columns: 1fr; }
  .cta-form { max-width:600px; }
}

/* footer */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255,255,255,.7);
  padding: clamp(44px, 6vw, 74px) 0 0;
  font-size: 14px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: clamp(24px, 4vw, 60px);
  padding-bottom: 40px;
}
.footer-top h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 15px;
  font-weight: 700;
}
.site-footer a { color: rgba(255,255,255,.7); transition: color .2s; }
.site-footer a:hover { color: #fff; }
.footer-brand p { margin: 10px 0 0; line-height: 1.8; color: rgba(255,255,255,.62); max-width: 300px; }
.footer-column nav { display: flex; flex-direction: column; gap: 8px; }
.footer-column div { margin-bottom: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}
@media screen and (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media screen and (max-width: 640px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

/* floating CTA */
.float-bar {
  display: none;
}
.float-bar.show-button {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 998;
  background: rgba(255,253,248,.96);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 14px 10px 18px;
  align-items: center;
  gap: 16px;
  width: min(640px, calc(100% - 32px));
  font-size: 14px;
  color: var(--ink);
}
.float-bar .float-actions { display: flex; align-items:center; gap: 10px; }
.float-bar .btn { padding: 7px 14px; min-height: 36px; font-size:13px; }
.float-close {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 0;
  background: rgba(22,92,104,.08);
  color: var(--primary-deep);
  font-weight:700;
}
@media screen and (max-width: 640px) {
  .float-bar { left:12px; right:12px; width:auto; transform:none; }
  .float-bar .float-text { max-width: 45%; }
}

/* top gap on content pages due fixed header */
body.category-page { padding-top: 72px; }

/* roulang page: category3 */
:root{
  --brand:#106f6b;
  --brand-deep:#0a4b4d;
  --brand-dark:#093b3f;
  --ink:#123a3d;
  --lead:#5b7072;
  --bg:#f7f4ed;
  --bg-soft:#f1eee5;
  --surface:#fffefb;
  --accent:#d9763c;
  --accent-dark:#b95a28;
  --line:#e5e0d3;
  --light-line:rgba(255,255,255,.14);
  --white:#ffffff;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:20px;
  --radius-xl:28px;
  --shadow:0 8px 30px rgba(10, 40, 43, .08);
  --shadow-lift:0 20px 46px rgba(10,40,43,.14);
  --font-base:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
}

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

html{scroll-behavior:smooth}

body{
  margin:0;
  font-family:var(--font-base);
  background:var(--bg);
  color:var(--ink);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}

img{
  max-width:100%;
  display:block;
}
a{
  color:inherit;
  text-decoration:none;
}
button,input,select,textarea{
  font-family:inherit;
  font-size:inherit;
}
button{
  cursor:pointer;
  border:none;
  background:transparent;
}
ul,ol{
  margin:0;
  padding:0;
}
h1,h2,h3,h4,p{
  margin:0;
}
p{
  color:var(--lead);
}

.container{
  max-width:1320px;
  margin:0 auto;
  padding:0 24px;
  width:100%;
}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(249,247,240,.9);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(12,70,74,.12);
  transition:box-shadow .3s ease;
}
.site-header.scrolling{
  box-shadow:0 10px 28px rgba(9,48,52,.08);
}
.header-inner{
  display:flex;
  align-items:center;
  min-height:76px;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(145deg,#185c5e,#0a3d41);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14), 0 6px 16px rgba(9,59,63,.22);
}
.logo-mark svg{
  width:22px;
  height:22px;
  fill:#d9e8e3;
}
.logo-word{
  font-size:23px;
  font-weight:800;
  letter-spacing:-.4px;
  color:var(--brand-dark);
  white-space:nowrap;
}

.main-nav{
  display:flex;
  gap:30px;
  margin-left:20px;
}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  padding:10px 2px 8px;
  transition:color .25s;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:2px;
  width:100%;
  height:3px;
  border-radius:20px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s ease;
}
.main-nav a:hover,
.main-nav a.active{
  color:var(--accent-dark);
}
.main-nav a:hover::after,
.main-nav a.active::after{
  transform:scaleX(1);
}

.nav-cta{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 22px;
  border-radius:10px;
  background:var(--accent);
  color:#fff;
  font-weight:700;
  font-size:15px;
  border:1px solid var(--accent);
  transition:background .25s, transform .2s, border-color .25s, box-shadow .25s;
  box-shadow:0 6px 18px rgba(217,118,60,.18);
}
.nav-cta:hover{
  background:var(--accent-dark);
  border-color:var(--accent-dark);
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(217,118,60,.26);
}
.nav-cta:focus-visible,
.btn:focus-visible,
a:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;
  height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--surface);
  align-items:center;
  justify-content:center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  display:block;
  width:20px;
  height:2px;
  background:var(--brand-dark);
  border-radius:4px;
  transition:all .25s ease;
}
.nav-toggle span{
  position:relative;
}
.nav-toggle span::before{
  position:absolute;
  top:-6px;
  left:0;
}
.nav-toggle span::after{
  position:absolute;
  top:6px;
  left:0;
}
.nav-toggle.open span{
  background:transparent;
}
.nav-toggle.open span::before{
  transform:rotate(45deg);
  top:0;
}
.nav-toggle.open span::after{
  transform:rotate(-45deg);
  top:0;
}

.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  z-index:94;
  width:min(82vw,360px);
  background:var(--surface);
  padding:104px 28px 36px;
  box-shadow:var(--shadow-lift);
  transform:translateX(105%);
  transition:transform .36s ease;
  overflow-y:auto;
}
.mobile-drawer.open{
  transform:translateX(0);
}
.mobile-drawer nav{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.mobile-drawer nav a{
  padding:13px 14px;
  font-weight:600;
  color:var(--ink);
  border-radius:10px;
  transition:background .2s;
}
.mobile-drawer nav a:hover{
  background:var(--bg-soft);
}
.mobile-drawer nav a.active{
  background:rgba(16,111,107,.1);
  color:var(--brand-deep);
}
.mobile-drawer .drawer-cta{
  margin-top:30px;
}
.mobile-drawer .drawer-note{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
  color:var(--lead);
  font-size:13px;
  line-height:1.8;
}
.drawer-backdrop{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(7,29,32,.48);
  opacity:0;
  visibility:hidden;
  transition:opacity .35s ease;
}
.drawer-backdrop.show{
  opacity:1;
  visibility:visible;
}

.section{
  padding:92px 0;
}
.section-soft{
  background:var(--bg-soft);
}
.section-head{
  max-width:850px;
  margin-bottom:46px;
}
.section-index{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:800;
  letter-spacing:1px;
  color:var(--accent-dark);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-index::before{
  content:"";
  width:24px;
  height:2px;
  background:var(--accent);
  border-radius:4px;
  display:inline-block;
}
.section-head h2{
  font-size:clamp(27px,3vw,36px);
  line-height:1.3;
  letter-spacing:-.5px;
  color:var(--ink);
  font-weight:800;
}
.section-head > p{
  margin-top:14px;
  font-size:17px;
  color:var(--lead);
  max-width:780px;
}

.hero-doc{
  position:relative;
  color:#f4f2e9;
  background:var(--brand-dark);
  background-image:linear-gradient(100deg,rgba(6,49,52,.94),rgba(12,67,69,.78)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
  padding:78px 0 86px;
}
.hero-soft-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:38px;
  flex-wrap:wrap;
  gap:12px;
}
.breadcrumb{
  font-size:14px;
  color:rgba(235,240,235,.84);
  display:flex;
  align-items:center;
  gap:8px;
}
.breadcrumb a{
  padding:4px 0;
}
.breadcrumb a:hover{
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.6);
}
.breadcrumb strong{
  font-weight:600;
  color:#fff;
}
.hero-note{
  color:rgba(225,238,234,.76);
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.hero-note::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:#7ecaab;
  box-shadow:0 0 0 5px rgba(126,202,171,.14);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);
  gap:52px;
  align-items:center;
}
.hero-copy .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border:1px solid rgba(255,255,255,.2);
  border-radius:100px;
  background:rgba(255,255,255,.08);
  color:#e9f3ee;
  font-size:13px;
  letter-spacing:.4px;
  margin-bottom:22px;
}
.hero-copy h1{
  font-size:clamp(34px,4vw,50px);
  line-height:1.22;
  color:#fff;
  font-weight:800;
  letter-spacing:-1px;
  margin-bottom:22px;
  max-width:620px;
}
.hero-copy .lead{
  color:rgba(225,236,233,.9);
  font-size:17px;
  line-height:1.9;
  max-width:690px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  align-items:center;
  margin-bottom:30px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 26px;
  border-radius:10px;
  font-size:16px;
  font-weight:700;
  border:1px solid transparent;
  transition:background .24s,color .24s,transform .2s,border-color .24s,box-shadow .24s;
}
.btn:active{
  transform:scale(.985);
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 22px rgba(217,118,60,.18);
}
.btn-primary:hover{
  background:var(--accent-dark);
  transform:translateY(-1px);
  box-shadow:0 12px 28px rgba(217,118,60,.25);
}
.btn-ghost{
  border-color:rgba(255,255,255,.5);
  color:#fff;
  background:transparent;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.1);
  border-color:#fff;
  transform:translateY(-1px);
}
.btn-ink{
  background:var(--brand);
  color:#fff;
}
.btn-ink:hover{
  background:var(--brand-deep);
  transform:translateY(-1px);
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:100px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.26);
  color:#dceee9;
  font-size:13px;
  font-weight:500;
}
.hero-visual{
  position:relative;
}
.hero-visual img{
  width:100%;
  border-radius:var(--radius-xl);
  box-shadow:0 30px 80px rgba(0,0,0,.32);
  transform:rotate(.5deg);
  border:1px solid rgba(255,255,255,.2);
}
.visual-float{
  position:absolute;
  bottom:-18px;
  left:-22px;
  background:#fff;
  border-radius:14px;
  padding:12px 16px;
  box-shadow:0 16px 34px rgba(0,0,0,.18);
  color:var(--brand-dark);
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:14px;
}
.visual-float strong{
  font-size:22px;
  font-weight:800;
  color:var(--accent-dark);
}

.topics-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.doc-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease;
  display:flex;
  flex-direction:column;
}
.doc-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lift);
}
.doc-card .cover-wrap{
  aspect-ratio:16/9;
  overflow:hidden;
}
.doc-card .cover-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.doc-card:hover .cover-wrap img{
  transform:scale(1.04);
}
.doc-card-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.doc-card .cat-tag{
  align-self:flex-start;
  margin-bottom:14px;
  padding:4px 12px;
  border-radius:100px;
  background:rgba(16,111,107,.08);
  color:var(--brand);
  border:1px solid rgba(16,111,107,.14);
  font-size:13px;
  font-weight:600;
}
.doc-card h3{
  font-size:18px;
  line-height:1.5;
  color:var(--ink);
  font-weight:700;
  margin-bottom:10px;
}
.doc-card p{
  font-size:15px;
  color:var(--lead);
  line-height:1.8;
  margin-bottom:18px;
  flex:1;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent-dark);
  font-weight:700;
  font-size:15px;
  transition:gap .2s,color .2s;
}
.text-link:hover{
  gap:10px;
  color:var(--accent);
}

.library-wrap{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:54px;
  align-items:start;
}
.library-lead{
  position:sticky;
  top:100px;
}
.library-lead .section-head{
  margin-bottom:22px;
}
.library-lead .section-head h2{
  margin-top:0;
}
.library-lead .section-head > p{
  margin-top:18px;
}
.library-image{
  margin-top:24px;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.library-image img{
  width:100%;
  height:260px;
  object-fit:cover;
}
.doc-stack{
  border-radius:22px;
  background:var(--surface);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.doc-row{
  display:grid;
  grid-template-columns:58px 1fr auto;
  gap:18px;
  padding:24px 26px;
  border-bottom:1px solid var(--line);
  align-items:start;
  transition:background .22s ease;
}
.doc-row:last-child{
  border-bottom:none;
}
.doc-row:hover{
  background:#fbfaf5;
}
.doc-num{
  width:46px;
  height:46px;
  border-radius:14px;
  background:linear-gradient(145deg,#13807a,#0c5d5b);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:800;
  box-shadow:0 8px 18px rgba(15,95,94,.16);
  margin-top:4px;
}
.doc-info h3{
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:7px;
  line-height:1.5;
}
.doc-info p{
  font-size:14.5px;
  color:var(--lead);
  line-height:1.8;
  margin-bottom:12px;
}
.doc-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:8px;
  background:var(--bg-soft);
  border:1px solid var(--line);
  color:var(--lead);
  font-size:13px;
}
.tag.hot{
  background:rgba(217,118,60,.1);
  border-color:rgba(217,118,60,.18);
  color:var(--accent-dark);
}
.doc-go{
  margin:8px 0 0;
}
.doc-go .text-link{
  white-space:nowrap;
}

.process-section{
  background:var(--brand-dark);
  color:#e5efe9;
  padding:100px 0;
  position:relative;
  overflow:hidden;
}
.process-section::before{
  content:"";
  position:absolute;
  right:-160px;
  top:-160px;
  width:460px;
  height:460px;
  background:radial-gradient(circle,rgba(112,187,171,.12),transparent 65%);
}
.process-section::after{
  content:"";
  position:absolute;
  left:-120px;
  bottom:-160px;
  width:380px;
  height:380px;
  background:radial-gradient(circle,rgba(217,118,60,.1),transparent 66%);
}
.process-head{
  margin-bottom:58px;
  position:relative;
  z-index:1;
}
.process-head .over-label{
  color:#dca47a;
  letter-spacing:1.6px;
  font-size:13px;
  display:block;
  margin-bottom:14px;
}
.process-head h2{
  color:#fff;
  font-size:clamp(27px,3vw,36px);
  line-height:1.3;
  letter-spacing:-.5px;
  font-weight:800;
}
.process-head p{
  margin-top:14px;
  color:rgba(220,235,231,.8);
  max-width:760px;
  font-size:16px;
}
.process-steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  position:relative;
  z-index:1;
}
.step-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;
  padding:30px 26px;
  position:relative;
  backdrop-filter:blur(6px);
  transition:transform .26s ease,background .26s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  background:rgba(255,255,255,.11);
}
.step-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  background:var(--accent);
  color:#fff;
  border-radius:14px;
  font-size:17px;
  font-weight:800;
  box-shadow:0 8px 20px rgba(217,118,60,.25);
  margin-bottom:20px;
}
.step-card h3{
  color:#fff;
  font-size:18px;
  font-weight:700;
  margin-bottom:10px;
}
.step-card p{
  color:rgba(214,231,226,.82);
  font-size:15px;
}

.split-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.split-media{
  position:relative;
}
.split-media img{
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-lift);
  width:100%;
  object-fit:cover;
}
.split-media .media-badge{
  position:absolute;
  left:24px;
  bottom:24px;
  background:rgba(255,255,255,.94);
  border-radius:12px;
  padding:12px 16px;
  color:var(--ink);
  font-weight:600;
  font-size:14px;
  box-shadow:0 10px 24px rgba(9,48,52,.15);
}
.split-copy h2{
  font-size:clamp(27px,3vw,35px);
  font-weight:800;
  color:var(--ink);
  line-height:1.35;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.split-copy > p{
  color:var(--lead);
  font-size:16.5px;
  line-height:1.9;
  margin-bottom:26px;
}
.feature-list{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.feature-list li{
  display:grid;
  grid-template-columns:34px 1fr;
  gap:14px;
  align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px 18px;
}
.feature-icon{
  width:34px;
  height:34px;
  border-radius:10px;
  background:rgba(16,111,107,.12);
  color:var(--brand-deep);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:15px;
}
.feature-list h3{
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  line-height:1.5;
  margin-bottom:4px;
}
.feature-list p{
  font-size:14.5px;
  color:var(--lead);
  line-height:1.75;
}

.faq-section{
  background:var(--bg-soft);
}
.faq-grid{
  display:grid;
  grid-template-columns:.84fr 1.16fr;
  gap:64px;
  align-items:start;
}
.faq-copy{
  position:sticky;
  top:110px;
}
.faq-copy .section-head{
  margin-bottom:20px;
}
.faq-copy h2{
  font-size:clamp(27px,3vw,36px);
  color:var(--ink);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.5px;
}
.faq-copy p{
  color:var(--lead);
  margin-top:18px;
  line-height:1.9;
}
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
  background:var(--surface);
}
.faq-item + .faq-item{
  border-top:none;
}
.faq-q{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:22px;
  text-align:left;
  padding:23px 24px;
  color:var(--ink);
  font-weight:700;
  font-size:16.5px;
  line-height:1.6;
  transition:color .22s,background .22s;
}
.faq-q:hover{
  color:var(--accent-dark);
  background:#fdfbf5;
}
.faq-icon{
  width:22px;
  height:22px;
  flex-shrink:0;
  position:relative;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:16px;
  height:2px;
  background:var(--accent);
  transform:translate(-50%,-50%);
  border-radius:4px;
  transition:transform .26s ease;
}
.faq-icon::after{
  transform:translate(-50%,-50%) rotate(90deg);
}
.faq-item.open .faq-icon::after{
  transform:translate(-50%,-50%) rotate(0deg);
}
.faq-q[aria-expanded="true"]{
  color:var(--accent-dark);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .4s ease;
}
.faq-a-inner{
  padding:0 24px 24px 24px;
  color:var(--lead);
  font-size:15px;
  line-height:1.95;
  max-width:720px;
}
.faq-a-inner .btn{
  margin-top:16px;
  min-height:40px;
  padding:0 18px;
  font-size:14px;
  border-radius:8px;
}

.cta-section{
  padding:96px 0;
  background:linear-gradient(130deg,#0b4a4c,#0d5f5e);
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  right:6%;
  top:-60px;
  width:320px;
  height:320px;
  background:radial-gradient(circle,rgba(217,118,60,.16),transparent 64%);
}
.cta-wrap{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:60px;
  align-items:center;
  position:relative;
  z-index:2;
}
.cta-copy h2{
  font-size:clamp(27px,3vw,38px);
  color:#fff;
  font-weight:800;
  line-height:1.35;
  letter-spacing:-.5px;
  margin-bottom:20px;
}
.cta-copy p{
  color:rgba(220,235,231,.86);
  line-height:1.9;
  margin-bottom:26px;
  font-size:16px;
}
.cta-contacts{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:18px;
}
.cta-contact-line{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:rgba(224,239,234,.95);
  font-size:15px;
}
.cta-contact-line::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:#edaa79;
}
.cta-form-card{
  background:#fff;
  border-radius:24px;
  padding:34px 34px 30px;
  box-shadow:0 28px 70px rgba(7,45,48,.3);
}
.form-title{
  font-size:20px;
  font-weight:800;
  color:var(--ink);
  margin-bottom:6px;
}
.form-subtitle{
  font-size:14px;
  color:var(--lead);
  margin-bottom:24px;
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.form-field{
  grid-column:span 1;
}
.form-field.full{
  grid-column:1 / -1;
}
.form-field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
}
.form-field input,
.form-field textarea{
  width:100%;
  border:1px solid var(--line);
  background:var(--bg);
  border-radius:9px;
  padding:11px 14px;
  font-size:15px;
  color:var(--ink);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.form-field input:focus,
.form-field textarea:focus{
  outline:none;
  border-color:#22a297;
  box-shadow:0 0 0 3px rgba(34,162,151,.13);
  background:#fff;
}
.form-field textarea{
  min-height:104px;
  resize:vertical;
}
.form-submit{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.form-note{
  font-size:13.5px;
  color:var(--lead);
  line-height:1.7;
}
.form-feedback{
  background:rgba(16,111,107,.1);
  border:1px solid rgba(16,111,107,.2);
  color:var(--brand-deep);
  font-size:14px;
  border-radius:10px;
  margin-top:16px;
  padding:12px 14px;
  display:none;
  line-height:1.7;
}
.form-feedback.show{
  display:block;
}

.site-footer{
  background:#0b3237;
  color:rgba(230,239,236,.76);
  padding:74px 0 28px;
  font-size:14px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr .8fr .8fr 1.1fr;
  gap:44px;
  padding-bottom:46px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{
  color:#fff;
  margin-bottom:10px;
}
.footer-brand .logo-mark{
  background:#123f41;
}
.footer-brand p{
  color:rgba(230,239,236,.64);
  max-width:360px;
  line-height:1.85;
  margin-top:14px;
  font-size:14px;
}
.footer-column h4{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:20px;
  line-height:1.4;
}
.footer-column nav{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-column nav a{
  color:rgba(230,239,236,.7);
  width:fit-content;
  transition:color .2s,transform .2s;
}
.footer-column nav a:hover{
  color:#fff;
  transform:translateX(4px);
}
.footer-contact > div{
  color:rgba(230,239,236,.7);
  margin-bottom:10px;
  line-height:1.7;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:24px;
  color:rgba(230,239,236,.46);
  font-size:13px;
}

@media (max-width:1180px){
  .topics-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .hero-grid{
    gap:20px;
  }
}
@media (max-width:1024px){
  .main-nav,.nav-cta{
    display:none;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .hero-doc{
    padding:64px 0;
  }
  .hero-grid{
    grid-template-columns:1fr;
    gap:42px;
  }
  .hero-copy h1{
    max-width:100%;
  }
  .hero-visual{
    max-width:640px;
  }
  .library-wrap{
    grid-template-columns:1fr;
    gap:36px;
  }
  .library-lead{
    position:static;
  }
  .split-block{
    grid-template-columns:1fr;
    gap:44px;
  }
  .faq-grid{
    grid-template-columns:1fr;
    gap:34px;
  }
  .faq-copy{
    position:static;
  }
  .cta-wrap{
    grid-template-columns:1fr;
    gap:44px;
  }
  .footer-top{
    grid-template-columns:1fr 1fr;
    gap:36px;
  }
}
@media (max-width:767px){
  .section{
    padding:68px 0;
  }
  .topics-grid{
    grid-template-columns:1fr;
    gap:16px;
  }
  .process-steps{
    grid-template-columns:1fr;
    gap:18px;
  }
  .doc-row{
    grid-template-columns:1fr;
    padding:20px;
  }
  .doc-num{
    margin-bottom:4px;
  }
  .doc-go{
    margin-top:8px;
  }
  .hero-grid{
    gap:32px;
  }
  .hero-copy h1{
    font-size:32px;
  }
  .hero-copy .lead{
    font-size:16px;
  }
  .hero-actions .btn{
    width:100%;
  }
  .hero-soft-top{
    margin-bottom:24px;
  }
  .visual-float{
    left:0;
  }
  .form-grid{
    grid-template-columns:1fr;
  }
  .form-field{
    grid-column:1 / -1;
  }
  .cta-form-card{
    padding:24px;
  }
  .footer-top{
    grid-template-columns:1fr;
    gap:30px;
  }
  .footer-bottom{
    flex-direction:column;
  }
}
@media (max-width:520px){
  .container{
    padding:0 18px;
  }
  .logo-word{
    font-size:19px;
  }
  .header-inner{
    min-height:68px;
  }
  .hero-doc{
    padding:48px 0 56px;
  }
  .section-head > p{
    font-size:15px;
  }
  .doc-row{
    grid-template-columns:1fr;
    padding:18px;
  }
  .footer-column{
    width:100%;
  }
}