/* roulang page: index */
:root {
  --primary: #8C5A3C;
  --primary-dark: #6E4328;
  --primary-light: #E8D5C5;
  --primary-soft: #F3E9E0;
  --secondary: #6B8F71;
  --secondary-dark: #4E6E54;
  --secondary-light: #DDE8DF;
  --bg-warm: #FAF6F0;
  --bg-white: #FFFFFF;
  --bg-dark: #2B2824;
  --text-dark: #2D2A26;
  --text-mid: #5C554E;
  --text-light: #8A8178;
  --border-warm: #E5D9CE;
  --shadow-warm: 0 4px 24px rgba(140, 90, 60, 0.08);
  --shadow-warm-lg: 0 8px 44px rgba(140, 90, 60, 0.14);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --section-gap: 88px;
  --section-gap-mobile: 56px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  line-height: 1.75;
  color: var(--text-dark);
  background: var(--bg-warm);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all .25s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(140,90,60,.28); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-primary:focus-visible { outline: 3px solid rgba(140,90,60,.35); outline-offset: 2px; }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary-soft); border-color: var(--primary-dark); color: var(--primary-dark); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.btn-outline:focus-visible { outline: 3px solid rgba(140,90,60,.25); outline-offset: 2px; }
.btn-light { background: #fff; color: var(--primary-dark); }
.btn-light:hover { background: var(--primary-soft); transform: translateY(-2px); }
.btn-light:focus-visible { outline: 3px solid rgba(255,255,255,.4); outline-offset: 2px; }
.btn-dark { background: var(--bg-dark); color: #fff; }
.btn-dark:hover { background: #1f1c1a; transform: translateY(-2px); }
.btn-dark:focus-visible { outline: 3px solid rgba(43,40,36,.35); outline-offset: 2px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ===== Header & Nav ===== */
.site-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-warm);
  box-shadow: 0 2px 16px rgba(140,90,60,.04);
  position: relative;
  z-index: 100;
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  gap: 16px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(140,90,60,.2);
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.logo-text em {
  font-style: normal;
  color: var(--primary);
}
.header-cta {
  flex-shrink: 0;
}

/* Icon Nav */
.icon-nav {
  border-top: 1px solid var(--border-warm);
  background: var(--bg-white);
}
.icon-nav-list {
  display: flex;
  gap: 6px;
  padding: 10px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.icon-nav-list::-webkit-scrollbar { display: none; }
.icon-nav-item {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 20px;
  border-radius: 14px;
  border: 1px solid transparent;
  transition: all .25s ease;
  color: var(--text-mid);
}
.icon-nav-item .icon-nav-icon {
  font-size: 20px;
  color: var(--primary);
  transition: transform .25s;
}
.icon-nav-item .icon-nav-label {
  font-size: 13px;
  font-weight: 500;
}
.icon-nav-item:hover {
  background: var(--primary-soft);
  border-color: var(--border-warm);
  color: var(--primary-dark);
}
.icon-nav-item:hover .icon-nav-icon { transform: translateY(-2px); }
.icon-nav-item.active {
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 600;
}
.icon-nav-item:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 96px 0;
  background-image: url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(250,246,240,.95) 30%, rgba(250,246,240,.72) 60%, rgba(250,246,240,.38));
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-soft);
  border: 1px solid var(--border-warm);
  color: var(--primary-dark);
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .2px;
  margin-bottom: 22px;
}
.hero-badge i { color: var(--primary); }
.hero h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.28;
  color: var(--text-dark);
  margin-bottom: 20px;
  letter-spacing: -0.3px;
}
.hero h1 em {
  font-style: normal;
  color: var(--primary);
}
.hero-desc {
  font-size: 16px;
  color: var(--text-mid);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.85;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 38px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-warm);
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-stat strong {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary-dark);
}
.hero-stat span {
  font-size: 13px;
  color: var(--text-light);
}

/* Hero Card (精选推荐) */
.hero-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-warm-lg);
  border: 1px solid var(--border-warm);
  overflow: hidden;
  max-width: 380px;
  margin-left: auto;
  width: 100%;
}
.hero-card-img {
  position: relative;
  aspect-ratio: 4 / 2.8;
  overflow: hidden;
}
.hero-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(43,40,36,.82);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.hero-card-body {
  padding: 20px 22px 22px;
}
.hero-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-dark);
}
.hero-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-mid);
  margin-bottom: 16px;
}
.hero-card-meta i {
  color: var(--primary);
  margin-right: 4px;
}
.hero-card-actions {
  display: flex;
  gap: 10px;
}

/* ===== Sections 通用 ===== */
.section {
  padding: var(--section-gap) 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: none;
  letter-spacing: .3px;
  margin-bottom: 14px;
  background: var(--primary-soft);
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(140,90,60,.12);
}
.section-label i { font-size: 14px; }
.section-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-dark);
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-mid);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 48px;
}
.section-header {
  margin-bottom: 44px;
}
.section-header.center {
  text-align: center;
}
.section-header.center .section-desc {
  margin-left: auto;
  margin-right: auto;
}
.section-bg-alt {
  background: var(--bg-white);
}
.section-bg-deep {
  background: var(--bg-dark);
  color: #fff;
}
.section-bg-deep .section-title { color: #fff; }
.section-bg-deep .section-desc { color: rgba(255,255,255,.75); }
.section-bg-deep .section-label {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.15);
  color: #f0d9c8;
}

/* ===== Pain Points ===== */
.pain-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}
.pain-card {
  background: var(--bg-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius);
  padding: 32px 30px;
  box-shadow: var(--shadow-warm);
  transition: transform .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}
.pain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  opacity: .25;
  transition: opacity .3s;
}
.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm-lg);
}
.pain-card:hover::before { opacity: 1; }
.pain-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 18px;
}
.pain-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-dark);
}
.pain-card p {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.75;
}
.pain-card-wide {
  grid-column: 1 / -1;
}
.pain-card-wide .pain-icon { width: 48px; height: 48px; }

/* ===== Solution Steps ===== */
.solution-section {
  position: relative;
  background-image: url('/assets/images/backpic/back-2.jpg');
  background-size: cover;
  background-position: center;
}
.solution-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(250,246,240,.94);
}
.solution-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.solution-left { padding-top: 12px; }
.solution-left .section-title { margin-bottom: 20px; }
.solution-left .section-desc { margin-bottom: 36px; }
.solution-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-warm-lg);
  height: 100%;
  min-height: 380px;
}
.solution-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.steps-list {
  position: relative;
  padding-left: 0;
}
.steps-list::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-light), var(--secondary-light));
}
.step-item {
  position: relative;
  padding: 0 0 40px 72px;
}
.step-item:last-child { padding-bottom: 0; }
.step-num {
  position: absolute;
  left: 8px;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(140,90,60,.3);
  border: 3px solid var(--bg-warm);
  z-index: 1;
}
.step-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-dark);
}
.step-item p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 460px;
}

/* ===== Stats / Results ===== */
.stats-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item {
  padding: 40px 24px;
  background: var(--bg-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius);
  box-shadow: var(--shadow-warm);
  transition: transform .3s, box-shadow .3s;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm-lg);
}
.stat-number {
  font-size: 44px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-number span { font-size: 22px; }
.stat-label {
  font-size: 15px;
  color: var(--text-mid);
  font-weight: 500;
}
.stat-item.alt {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}
.stat-item.alt .stat-number { color: #f0d9c8; }
.stat-item.alt .stat-label { color: rgba(255,255,255,.8); }

/* ===== Milestones ===== */
.milestones-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.milestone-item {
  position: relative;
  padding-top: 28px;
  border-top: 3px solid var(--border-warm);
}
.milestone-item::before {
  content: '';
  position: absolute;
  top: -7px;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg-warm);
  box-shadow: 0 0 0 2px var(--primary);
}
.milestone-year {
  font-size: 15px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: .5px;
}
.milestone-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}
.milestone-item p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--bg-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-warm);
  transition: transform .3s, box-shadow .3s;
  position: relative;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm-lg);
}
.t-quote {
  position: absolute;
  top: 20px;
  right: 22px;
  font-size: 34px;
  color: var(--primary-light);
  line-height: 1;
}
.t-stars {
  color: #E6A23C;
  font-size: 14px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.t-text {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 20px;
  padding-right: 12px;
}
.t-user {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-warm);
  padding-top: 18px;
}
.t-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--primary);
  flex-shrink: 0;
}
.t-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
}
.t-scene {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
}

/* ===== Why Us 卖点三连 ===== */
.why-section {
  background: var(--bg-dark);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.why-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all .3s ease;
}
.why-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.18);
  transform: translateY(-4px);
}
.why-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  margin-bottom: 22px;
  box-shadow: 0 6px 20px rgba(140,90,60,.35);
}
.why-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}
.why-card p {
  font-size: 15px;
  color: rgba(255,255,255,.72);
  line-height: 1.75;
}

/* ===== News ===== */
.news-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}
.news-list {
  border-top: 1px solid var(--border-warm);
}
.news-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--border-warm);
  transition: background .2s, padding-left .2s;
}
.news-item:hover {
  background: var(--primary-soft);
  padding-left: 14px;
}
.news-date {
  font-size: 14px;
  color: var(--text-light);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.news-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dark);
}
.news-link:hover { color: var(--primary); }
.news-badge {
  font-size: 12px;
  background: var(--secondary-light);
  color: var(--secondary-dark);
  padding: 2px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.news-sidebar {
  background: var(--bg-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-warm);
}
.sidebar-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-dark);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-light);
}
.sidebar-card {
  background: var(--primary-soft);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 20px;
  border: 1px solid var(--border-warm);
}
.sidebar-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--primary-dark);
}
.sidebar-card p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.65;
}
.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--bg-warm);
  border: 1px solid var(--border-warm);
  font-size: 13px;
  color: var(--text-mid);
  transition: all .2s;
}
.tag:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.tag i { margin-right: 4px; font-size: 12px; }

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-list details {
  background: var(--bg-white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .3s, border-color .3s;
}
.faq-list details:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-warm);
}
.faq-list summary {
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color .2s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--primary);
  transition: transform .3s;
  flex-shrink: 0;
}
.faq-list details[open] summary::after {
  transform: rotate(180deg);
}
.faq-list details[open] summary {
  color: var(--primary-dark);
}
.faq-answer {
  padding: 0 28px 26px;
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.8;
  border-top: 1px dashed var(--border-warm);
  padding-top: 16px;
  margin-top: 0;
}
.faq-list details[open] { border-color: var(--primary-light); }
.faq-list summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), #5A3A28);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.jpg');
  background-size: cover;
  background-position: center;
  opacity: .12;
}
.cta-inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.cta-title {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 18px;
}
.cta-desc {
  font-size: 16px;
  color: rgba(255,255,255,.78);
  line-height: 1.8;
  margin-bottom: 36px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}
.cta-form {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(6px);
  text-align: left;
  max-width: 560px;
  margin: 0 auto;
}
.cta-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,.75);
}
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
  color: #fff;
  transition: border-color .2s, background .2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,.4); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary);
  background: rgba(255,255,255,.16);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-submit { margin-top: 6px; }
.form-tip {
  font-size: 12px;
  color: rgba(255,255,255,.5);
  text-align: center;
  margin-top: 12px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-white);
  border-top: 1px solid var(--border-warm);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}
.footer-brand .brand-logo {
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
  max-width: 360px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-dark);
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-mid);
  transition: color .2s, padding-left .2s;
}
.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-tech {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 8px;
}
.footer-tech a { color: var(--text-light); }
.footer-tech a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border-warm);
  padding: 20px 0 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-light);
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .hero-inner { gap: 40px; }
  .hero h1 { font-size: 32px; }
  .solution-inner { gap: 40px; }
}
@media (max-width: 991px) {
  .section { padding: var(--section-gap-mobile) 0; }
  .hero { padding: 72px 0; background-attachment: scroll; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { margin: 0 auto; max-width: 440px; }
  .hero-desc { max-width: 100%; }
  .solution-inner { grid-template-columns: 1fr; }
  .solution-img { min-height: 260px; }
  .solution-left .section-desc { margin-bottom: 28px; }
  .stats-wrap { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .milestones-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .news-wrap { grid-template-columns: 1fr; gap: 28px; }
  .news-sidebar { order: -1; max-width: 100%; }
  .why-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .pain-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
}
@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .hero { padding: 56px 0; }
  .hero h1 { font-size: 27px; line-height: 1.35; }
  .hero-desc { font-size: 15px; }
  .section-title { font-size: 25px; }
  .section-desc { font-size: 15px; margin-bottom: 32px; }
  .pain-grid { grid-template-columns: 1fr; }
  .pain-card-wide { grid-column: auto; }
  .pain-card { padding: 26px 22px; }
  .step-item { padding-left: 56px; }
  .stats-wrap { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-item { padding: 28px 14px; }
  .stat-number { font-size: 30px; }
  .milestones-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-form-grid { grid-template-columns: 1fr; }
  .cta-inner { text-align: left; }
  .cta-actions { justify-content: flex-start; }
  .header-row { padding-top: 14px; padding-bottom: 14px; }
  .logo-text { font-size: 15px; }
  .header-cta { display: none; }
  .brand-logo { flex: 1; }
}
@media (max-width: 575px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 23px; }
  .hero-desc { font-size: 14px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-stat strong { font-size: 22px; }
  .hero-stats { gap: 18px; }
  .section-title { font-size: 22px; }
  .stats-wrap { grid-template-columns: 1fr 1fr; }
  .news-item { flex-direction: column; gap: 4px; }
  .news-date { font-size: 12px; }
  .news-link { font-size: 15px; }
  .cta-form { padding: 22px; }
  .cta-title { font-size: 26px; }
  .btn { padding: 12px 22px; font-size: 14px; }
}