/* roulang page: index */
:root {
  --bg: #F5F8FC;
  --card: #FFFFFF;
  --blue: #4A80C8;
  --blue-dark: #3B6DAE;
  --blue-soft: #E9F1F9;
  --peach: #F0926E;
  --peach-soft: #FBEFE9;
  --ink: #23343F;
  --muted: #64788A;
  --border: #DEE6EF;
  --deep: #203A56;
  --focus: rgba(74, 128, 200, 0.25);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-full: 999px;
  --shadow: 0 4px 20px rgba(36, 66, 105, 0.06);
  --shadow-lg: 0 14px 34px rgba(36, 66, 105, 0.12);
  --section-space: 96px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

img {
  max-width: 100%;
  vertical-align: middle;
  border: 0;
}

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

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4, p {
  margin-top: 0;
}

/* ================= 侧边栏 ================= */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 240px;
  background: #FFFFFF;
  border-right: 1px solid var(--border);
  z-index: 200;
  padding: 26px 18px 20px;
  display: flex;
  flex-direction: column;
  transition: transform 0.28s ease;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 6px;
  min-height: 48px;
  border-radius: 12px;
}

.brand:hover {
  background: var(--blue-soft);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(145deg, var(--blue) 0%, #6AA0DE 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--ink);
  white-space: nowrap;
}

.nav-area {
  margin-top: 30px;
  flex: 1;
}

.nav-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0 12px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 10px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 6px;
  position: relative;
  transition: background 0.2s, color 0.2s;
}

.nav-item i {
  width: 17px;
  height: 17px;
  margin-right: 12px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
}

.nav-item:hover {
  background: #EDF3F9;
  color: var(--blue-dark);
}

.nav-item.active {
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 700;
}

.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 4px;
  background: var(--blue);
  border-radius: 0 4px 4px 0;
}

.sidebar-foot {
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
  padding-left: 6px;
}

/* ================= 移动顶栏 ================= */
.mobile-top {
  position: sticky;
  top: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
}

.mobile-top .brand {
  min-height: 44px;
  padding: 0;
}

.mobile-top .brand-mark {
  width: 38px;
  height: 38px;
  font-size: 17px;
  border-radius: 11px;
}

.mobile-top .brand-name {
  font-size: 18px;
}

.menu-button {
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  color: var(--ink);
  transition: border-color 0.2s;
}

.menu-button:hover {
  border-color: var(--blue);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
}

.sidebar-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s;
}

body.drawer-open .sidebar-mask {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ================= 主内容 ================= */
.main-content {
  margin-left: 240px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 64px;
}

.hero-section {
  position: relative;
  padding: 84px 0 88px;
  background:
    linear-gradient(110deg, rgba(245, 248, 252, 0.96) 0%, rgba(245, 248, 252, 0.88) 55%, rgba(233, 241, 249, 0.72) 100%),
    url("/assets/images/backpic/back-1.jpg") center / cover no-repeat;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 68px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  background: var(--peach-soft);
  color: #C7673F;
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  gap: 7px;
  margin-bottom: 20px;
}

.hero-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--peach);
}

.hero-content h1 {
  font-size: clamp(32px, 4.3vw, 46px);
  line-height: 1.24;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}

.hero-content h1 em {
  font-style: normal;
  color: var(--blue);
}

.hero-sub {
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 580px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 26px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  line-height: 1;
}

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

.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(74, 128, 200, 0.28);
}

.btn-secondary {
  background: #fff;
  border-color: var(--blue);
  color: var(--blue);
}

.btn-secondary:hover {
  background: var(--blue-soft);
}

.hero-visual {
  position: relative;
}

.hero-photo {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 20px 44px rgba(36, 66, 105, 0.16);
}

.hero-photo img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  display: block;
}

.float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(36, 66, 105, 0.15);
  padding: 10px 16px;
  font-size: 13px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.float-card i {
  width: 6px;
  height: 6px;
  background: var(--peach);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--peach-soft);
}

.float-card.fc-1 {
  top: 18px;
  left: -18px;
}

.float-card.fc-2 {
  right: 18px;
  bottom: 24px;
}

/* ================= 通用区块 ================= */
.section {
  padding: var(--section-space) 0;
}

.section-tight {
  padding: 72px 0;
}

.sec-head {
  max-width: 700px;
  margin-bottom: 48px;
}

.sec-head.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.sec-kicker {
  display: inline-flex;
  align-items: center;
  background: var(--blue-soft);
  color: var(--blue-dark);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 18px;
}

.sec-head h2 {
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.3;
  margin-bottom: 18px;
  font-weight: 800;
  color: var(--ink);
}

.sec-head p {
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 0;
}

.section-label {
  position: relative;
}

/* 服务 */
.service-wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.service-intro {
  position: sticky;
  top: 40px;
  padding: 32px;
  background: var(--card);
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.service-intro h3 {
  font-size: 22px;
  line-height: 1.4;
  margin-bottom: 18px;
}

.service-intro p {
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 24px;
}

.service-intro .small-cover {
  margin-top: 8px;
  border-radius: 14px;
  overflow: hidden;
}

.service-intro .small-cover img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
}

.service-stack {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.service-item {
  display: flex;
  gap: 22px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 30px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.service-item:nth-child(1) {
  transform: translateX(10px);
}

.service-item:nth-child(2) {
  transform: translateX(0px);
}

.service-item:nth-child(3) {
  transform: translateX(24px);
}

.service-item:nth-child(4) {
  transform: translateX(8px);
}

.service-item:hover {
  transform: translateY(-3px) translateX(6px);
  box-shadow: var(--shadow-lg);
}

.service-num {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 18px;
  font-weight: 800;
  flex-shrink: 0;
}

.service-body h3 {
  margin-bottom: 10px;
  font-size: 19px;
  line-height: 1.45;
  font-weight: 800;
}

.service-body p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.service-meta {
  font-size: 13px;
  color: var(--blue);
  background: var(--blue-soft);
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-full);
}

/* 数据 */
.stats-section {
  padding: 20px 0 96px;
}

.stats-panel {
  position: relative;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(239, 245, 252, 0.92)),
    url("/assets/images/backpic/back-2.jpg") center / cover no-repeat;
  border: 1px solid var(--border);
  padding: 60px 48px;
  box-shadow: var(--shadow);
}

.stats-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}

.stats-desc {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 32px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.stat-item {
  text-align: left;
  padding-right: 24px;
  border-right: 1px solid var(--border);
}

.stat-item:last-child {
  border-right: 0;
  padding-right: 0;
}

.stat-num {
  font-size: clamp(32px, 3.6vw, 52px);
  font-weight: 800;
  color: var(--blue);
  line-height: 1.2;
  margin-bottom: 6px;
  display: block;
  letter-spacing: -0.02em;
}

.stat-text {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* 案例 */
.case-section {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.case-wrap .case-topline {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 28px;
  margin-bottom: 42px;
  flex-wrap: wrap;
}

.case-grid {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 28px;
}

.case-feature {
  position: relative;
  border-radius: 22px;
  min-height: 500px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow);
  transition: box-shadow 0.3s;
}

.case-feature:hover {
  box-shadow: var(--shadow-lg);
}

.case-feature img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  z-index: 0;
}

.case-feature:hover img {
  transform: scale(1.04);
}

.case-feature::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(32, 58, 86, 0) 36%, rgba(32, 58, 86, 0.72) 100%);
  z-index: 1;
}

.case-feature-content {
  position: relative;
  z-index: 2;
  color: #fff;
  padding: 36px 32px;
  min-height: 220px;
}

.case-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(6px);
  margin-bottom: 14px;
}

.case-feature h3 {
  font-size: 26px;
  line-height: 1.35;
  font-weight: 800;
  margin-bottom: 12px;
}

.case-feature p {
  font-size: 15px;
  line-height: 1.8;
  opacity: 0.92;
  margin-bottom: 20px;
  max-width: 90%;
}

.case-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  opacity: 0.9;
}

.case-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.case-meta span::before {
  content: "";
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
  margin-right: 2px;
}

.case-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.case-card-sm {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  display: grid;
  grid-template-columns: 98px 1fr;
  gap: 18px;
  box-shadow: var(--shadow);
  transition: all 0.28s;
}

.case-card-sm:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: #C7D9EC;
}

.case-card-sm .thumb {
  overflow: hidden;
  border-radius: 10px;
  height: 94px;
}

.case-card-sm .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}

.case-card-sm:hover .thumb img {
  transform: scale(1.06);
}

.case-card-sm h4 {
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 7px;
  font-weight: 700;
  color: var(--ink);
}

.case-card-sm p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

.case-card-sm .card-meta {
  font-size: 12px;
  color: var(--blue);
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-weight: 700;
  font-size: 15px;
  transition: gap 0.2s;
}

.case-link:hover {
  gap: 10px;
}

/* 流程 */
.process-wrap {
  max-width: 980px;
  margin: 0 auto;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  margin-bottom: 40px;
}

.steps-grid::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 6%;
  right: 6%;
  border-top: 1px dashed #BED1E6;
}

.step-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px 22px;
  box-shadow: var(--shadow);
  transition: all 0.25s;
}

.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.step-num {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: var(--blue-soft);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.step-item h3 {
  font-size: 17px;
  margin-bottom: 10px;
  font-weight: 800;
}

.step-item p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 0;
}

.process-cta {
  text-align: center;
}

/* FAQ */
.faq-section {
  background: #fff;
  border-top: 1px solid var(--border);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item:hover {
  border-color: #BED3EA;
}

.faq-item[open] {
  box-shadow: var(--shadow);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 26px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  user-select: none;
  list-style: none;
}

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

.faq-q::after {
  content: "+";
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 20px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s;
}

.faq-item[open] .faq-q::after {
  content: "−";
  transform: rotate(180deg);
  background: var(--blue);
  color: #fff;
}

.faq-a {
  padding: 0 26px 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.faq-a p:last-child {
  margin-bottom: 0;
}

/* ================= CTA 联系 ================= */
.contact-section {
  padding: 96px 0;
}

.contact-head {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: flex-end;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: start;
}

.contact-copy h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.3;
  font-weight: 800;
  margin-bottom: 20px;
}

.contact-copy p {
  color: var(--muted);
  margin-bottom: 24px;
}

.contact-points {
  display: grid;
  gap: 14px;
  margin: 28px 0;
}

.contact-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.contact-point span {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: var(--peach-soft);
  color: var(--peach);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
}

.contact-point strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 2px;
}

.contact-point small {
  color: var(--muted);
  font-size: 13px;
}

.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 34px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.form-label span {
  color: var(--peach);
  margin-left: 2px;
}

.form-control {
  background: #FAFBFD;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  height: 48px;
  padding: 0 16px;
  font-size: 15px;
  color: var(--ink);
  transition: all 0.2s;
  width: 100%;
}

textarea.form-control {
  height: 110px;
  padding: 14px 16px;
  resize: vertical;
}

.form-control:focus {
  background: #fff;
  border-color: var(--blue);
  outline: 3px solid rgba(74, 128, 200, 0.18);
  outline-offset: 0;
}

.form-control::placeholder {
  color: #9DACBC;
}

.form-tip {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}

.form-success {
  display: none;
  background: var(--blue-soft);
  color: var(--blue-dark);
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
}

.form-success.show {
  display: block;
}

/* ================= 页脚 ================= */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  margin-top: auto;
  padding: 48px 0 28px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .brand {
  padding: 0;
  margin-bottom: 14px;
}

.footer-brand .brand:hover {
  background: transparent;
}

.footer-desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: 92px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 14px;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--muted);
  font-size: 14px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--blue);
}

.footer-copy {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

.footer-domain {
  color: var(--muted);
}

/* ================= 响应式 ================= */
@media (max-width: 1199px) {
  .page-container {
    padding: 0 40px;
  }

  .sidebar {
    width: 220px;
  }

  .main-content {
    margin-left: 220px;
  }

  .service-wrap {
    gap: 40px;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px 20px;
  }

  .stat-item {
    border-right: 0;
    padding-right: 0;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
  }

  .stat-item:last-child {
    border-bottom: 1px solid var(--border);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid::before {
    display: none;
  }

  .hero-inner {
    gap: 44px;
  }
}

@media (max-width: 991px) {
  :root {
    --section-space: 72px;
  }

  .sidebar {
    transform: translateX(-105%);
    box-shadow: 0 0 40px rgba(32, 58, 86, 0.15);
  }

  body.drawer-open .sidebar {
    transform: translateX(0);
  }

  body.drawer-open {
    overflow: hidden;
  }

  .sidebar-mask {
    display: block;
  }

  .mobile-top {
    display: flex;
  }

  .main-content {
    margin-left: 0;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-visual .float-card.fc-1 {
    left: 12px;
  }

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

  .service-intro {
    position: relative;
    top: auto;
  }

  .service-item:nth-child(1),
  .service-item:nth-child(2),
  .service-item:nth-child(3),
  .service-item:nth-child(4) {
    transform: none;
  }

  .service-item:hover {
    transform: translateY(-3px);
  }

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

  .case-feature {
    min-height: 420px;
  }

  .case-feature {
    grid-column: span 2;
  }

  .case-side {
    grid-column: span 2;
    flex-direction: row;
  }

  .case-card-sm {
    flex: 1;
  }

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

@media (max-width: 767px) {
  .page-container {
    padding: 0 22px;
  }

  .hero-section {
    padding: 60px 0 68px;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-photo img {
    aspect-ratio: 5 / 5;
  }

  .float-card.fc-1 {
    top: 10px;
  }

  .float-card.fc-2 {
    right: 10px;
    bottom: 16px;
    font-size: 12px;
  }

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

  .case-feature {
    grid-column: span 1;
  }

  .case-side {
    grid-column: span 1;
    flex-direction: column;
  }

  .case-card-sm {
    grid-template-columns: 84px 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stats-panel {
    padding: 36px 22px;
  }

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

  .contact-form {
    padding: 24px 20px;
  }

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

  .footer-grid {
    flex-direction: column;
    gap: 32px;
  }

  .footer-links {
    gap: 48px;
  }
}

@media (max-width: 479px) {
  .case-card-sm {
    grid-template-columns: 1fr;
  }

  .case-card-sm .thumb {
    height: 150px;
  }

  .case-card-sm .thumb img {
    height: 150px;
  }

  .contact-point {
    grid-template-columns: 1fr;
  }
}

/* roulang page: category1 */
:root {
  --bg: #F5F8FC;
  --card: #FFFFFF;
  --blue: #4A80C8;
  --blue-dark: #3B6DAE;
  --blue-soft: #E9F1F9;
  --peach: #F0926E;
  --peach-soft: #FBEFE9;
  --ink: #23343F;
  --muted: #64788A;
  --border: #DEE6EF;
  --deep: #203A56;
  --focus: rgba(74, 128, 200, 0.25);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-full: 999px;
  --shadow: 0 4px 20px rgba(36, 66, 105, 0.06);
  --shadow-lg: 0 14px 34px rgba(36, 66, 105, 0.12);
  --section-space: 84px;
}

html {
  scroll-behavior: smooth;
}

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

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

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

img {
  max-width: 100%;
  vertical-align: middle;
  border: 0;
}

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

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 6px;
  min-height: 48px;
  border-radius: 12px;
}

.brand:hover {
  background: var(--blue-soft);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(145deg, var(--blue) 0%, #6AA0DE 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
  flex-shrink: 0;
}

.brand-name {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--ink);
  white-space: nowrap;
}

/* 左侧导航 */
.site-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 240px;
  background: #fff;
  border-right: 1px solid var(--border);
  padding: 26px 18px 22px;
  display: flex;
  flex-direction: column;
  z-index: 200;
}

.sidebar-logo {
  display: block;
}

.nav-area {
  margin-top: 26px;
  flex: 1;
  overflow-y: auto;
}

.nav-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0 12px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 10px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 6px;
  position: relative;
  transition: background 0.2s, color 0.2s;
}

.nav-item i {
  width: 20px;
  height: 20px;
  margin-right: 12px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
}

.nav-item:hover {
  background: #EDF3F9;
  color: var(--blue-dark);
}

.nav-item.active {
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 700;
}

.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 4px;
  background: var(--blue);
  border-radius: 0 4px 4px 0;
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding-top: 14px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  padding-left: 8px;
}

/* 移动抽屉遮罩 */
.sidebar-mask {
  display: none;
}

/* 移动顶栏 */
.mobile-top {
  position: sticky;
  top: 0;
  z-index: 180;
  display: none;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
}

.mobile-top .brand {
  min-height: 44px;
  padding: 0;
}

.mobile-top .brand-mark {
  width: 38px;
  height: 38px;
  font-size: 17px;
  border-radius: 11px;
}

.mobile-top .brand-name {
  font-size: 18px;
}

.menu-button {
  width: 44px;
  height: 44px;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  color: var(--ink);
  transition: border-color 0.2s;
}

.menu-button:hover {
  border-color: var(--blue);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
}

body.drawer-open .sidebar-mask {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* 右侧主内容 */
.main-content {
  margin-left: 240px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 64px;
}

/* 分类页头 */
.cat-banner {
  position: relative;
  padding: 68px 0 58px;
  background:
    linear-gradient(115deg, rgba(245, 248, 252, 0.98) 0%, rgba(245, 248, 252, 0.9) 50%, rgba(233, 241, 249, 0.76) 100%),
    url("/assets/images/backpic/back-1.jpg") center / cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.cat-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 22px;
}

.cat-breadcrumb a {
  color: var(--blue);
  transition: color 0.2s;
}

.cat-breadcrumb a:hover {
  color: var(--blue-dark);
}

.cat-breadcrumb span {
  color: var(--muted);
}

.cat-banner-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.cat-title-wrap h1 {
  font-size: clamp(30px, 3.6vw, 42px);
  line-height: 1.28;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 16px;
}

.cat-title-wrap h1 em {
  font-style: normal;
  color: var(--blue);
}

.cat-desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 28px;
}

.cat-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  border-radius: var(--radius-full);
  padding: 6px 15px;
  font-size: 13px;
  font-weight: 600;
}

.cat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 26px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  line-height: 1;
}

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

.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(74, 128, 200, 0.28);
}

.btn-secondary {
  background: #fff;
  border-color: var(--blue);
  color: var(--blue);
}

.btn-secondary:hover {
  background: var(--blue-soft);
}

.cat-aside-card {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(222, 230, 239, 0.9);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  padding: 30px;
  text-align: left;
}

.cat-aside-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.cat-aside-top strong {
  color: var(--ink);
  font-size: 16px;
}

.cat-aside-note {
  color: var(--muted);
  font-size: 14px;
}

.cat-aside-num {
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  color: var(--blue);
  margin: 10px 0 4px;
}

.cat-aside-label {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 18px;
}

.cat-aside-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.cat-aside-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.7;
}

.cat-aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--peach);
}

/* 筛选器 */
.filter-bar {
  padding: 22px 0 6px;
}

.filter-inner {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 18px;
}

.filter-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-right: 8px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

.filter-chip:hover {
  border-color: var(--blue);
  color: var(--blue-dark);
  background: var(--blue-soft);
}

.filter-chip.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

/* 精选视频 */
.section {
  padding: var(--section-space) 0;
}

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

.section-head h2 {
  font-size: clamp(24px, 2.4vw, 30px);
  margin: 0;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.4;
}

.section-head p {
  font-size: 15px;
  color: var(--muted);
  margin: 8px 0 0;
  max-width: 560px;
}

.video-pick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pick-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

.pick-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--blue-soft);
}

.pick-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.pick-card:hover .pick-cover img {
  transform: scale(1.04);
}

.pick-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  color: #C7673F;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.pick-time {
  position: absolute;
  right: 14px;
  bottom: 14px;
  background: rgba(32, 58, 86, 0.74);
  color: #fff;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.pick-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.pick-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  margin: 0 0 10px;
}

.pick-body h3 a {
  display: inline;
}

.pick-body h3 a:hover {
  color: var(--blue);
}

.pick-excerpt {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 16px;
  flex: 1;
}

.pick-meta {
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 推荐内容列表 */
.simple-cta-link {
  font-size: 13px;
  color: var(--blue);
  font-weight: 600;
}

/* 栏目介绍 */
.series-note {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 44px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.series-note-photo {
  border-radius: 18px;
  overflow: hidden;
  background: var(--blue-soft);
  box-shadow: var(--shadow);
}

.series-note-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.series-note h2 {
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 16px;
  line-height: 1.4;
}

.series-note p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0 0 22px;
}

.series-points {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.series-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 18px;
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 14px;
}

.series-num {
  font-size: 18px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1.6;
}

.series-point-txt strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 2px;
}

.series-point-txt span {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* 热门漫游列表 */
.hot-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hot-row {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: grid;
  grid-template-columns: 240px 1fr;
  transition: transform 0.3s, box-shadow 0.3s;
}

.hot-row:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.hot-row.is-wide {
  grid-template-columns: 320px 1fr;
}

.hot-cover {
  position: relative;
  min-height: 180px;
  background: var(--blue-soft);
  overflow: hidden;
}

.hot-cover img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hot-row:hover .hot-cover img {
  transform: scale(1.03);
}

.hot-body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
}

.hot-tag-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.tag-plain {
  font-size: 12px;
  font-weight: 600;
  background: var(--peach-soft);
  color: #C7673F;
  border-radius: var(--radius-full);
  padding: 3px 12px;
}

.tag-muted {
  font-size: 12px;
  color: var(--muted);
}

.hot-body h3 {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  margin: 0 0 8px;
}

.hot-body h3 a:hover {
  color: var(--blue);
}

.hot-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  margin: 0 0 16px;
}

.hot-more {
  margin-top: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.page-num,
.page-btn {
  min-width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--muted);
  background: #fff;
  cursor: pointer;
  padding: 0 10px;
  transition: all 0.2s;
}

.page-num:hover,
.page-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-soft);
}

.page-num.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  font-weight: 700;
}

.page-btn.disabled {
  opacity: 0.45;
  pointer-events: none;
  cursor: default;
}

/* 创作与合作流程 */
.flow-wrap {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 44px;
}

.flow-wrap h2 {
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 12px;
  line-height: 1.4;
}

.flow-sub {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 34px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  counter-reset: flow;
}

.flow-step {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px 20px 22px;
  text-align: left;
}

.flow-step .flow-number {
  font-size: 30px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}

.flow-step strong {
  display: block;
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 6px;
}

.flow-step span {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  display: block;
}

/* Faq */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-wrap h2 {
  text-align: center;
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 32px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--blue);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  transition: transform 0.25s;
  font-weight: 400;
}

.faq-answer {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
}

/* 底部 CTA */
.cta-band {
  position: relative;
  background:
    linear-gradient(110deg, rgba(32, 58, 86, 0.95) 0%, rgba(32, 58, 86, 0.85) 60%, rgba(74, 128, 200, 0.78) 100%),
    url("/assets/images/backpic/back-3.jpg") center / cover no-repeat;
  border-radius: 24px;
  color: #fff;
  padding: 44px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  box-shadow: 0 18px 44px rgba(32, 58, 86, 0.24);
  margin-bottom: var(--section-space);
}

.cta-band h2 {
  font-size: 24px;
  margin: 0 0 8px;
  color: #fff;
  font-weight: 800;
}

.cta-band p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.86);
  margin: 0;
}

.btn-light {
  background: #fff;
  color: var(--deep);
  min-height: 48px;
}

.btn-light:hover {
  background: var(--blue-soft);
  transform: translateY(-2px);
}

.btn-ghost-light {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: #fff;
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* 页面底部间距 */
.content-footer-pad {
  padding-bottom: var(--section-space);
}

/* 页脚 */
.site-footer {
  background: #EDF3F9;
  border-top: 1px solid var(--border);
  padding: 54px 0 26px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 36px;
  margin-bottom: 30px;
}

.footer-brand .brand {
  padding: 0 0 12px 0;
}

.footer-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
  max-width: 320px;
  margin: 0;
}

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

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 14px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--blue-dark);
}

.footer-copy {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

.footer-domain a {
  color: var(--muted);
}

.footer-domain a:hover {
  color: var(--blue);
}

/* 响应式 */
@media (max-width: 1199px) {
  .site-sidebar {
    width: 220px;
  }

  .main-content {
    margin-left: 220px;
  }

  .page-container {
    padding: 0 36px;
  }

  .video-pick-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .hot-row,
  .hot-row.is-wide {
    grid-template-columns: 220px 1fr;
  }
}

@media (max-width: 991px) {
  .site-sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    width: 280px;
    box-shadow: 12px 0 38px rgba(36, 66, 105, 0.16);
  }

  body.drawer-open .site-sidebar {
    transform: translateX(0);
  }

  .sidebar-mask {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 160;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s;
  }

  .mobile-top {
    display: flex;
  }

  .menu-button {
    display: flex;
  }

  .main-content {
    margin-left: 0;
  }

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

  .flow-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .series-note {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 767px) {
  :root {
    --section-space: 64px;
  }

  .page-container {
    padding: 0 20px;
  }

  .video-pick-grid {
    grid-template-columns: 1fr;
  }

  .hot-row,
  .hot-row.is-wide {
    grid-template-columns: 1fr;
  }

  .hot-cover {
    position: relative;
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .hot-cover img {
    position: absolute;
  }

  .cat-banner {
    padding: 38px 0 42px;
  }

  .series-note {
    padding: 22px 18px;
  }

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

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

  .cta-band {
    padding: 30px 22px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 26px;
  }
}

@media (max-width: 479px) {
  .cat-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }

  .cat-aside-card {
    padding: 20px;
  }

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

  .filter-inner {
    padding: 12px;
  }

  .page-container {
    padding: 0 16px;
  }

  .hot-body {
    padding: 18px;
  }

  .faq-q {
    padding: 14px 16px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 16px 16px;
  }
}