/* roulang page: index */
:root {
  --c-primary: #2D8BC6;
  --c-primary-dark: #206ea5;
  --c-primary-deep: #185a86;
  --c-primary-soft: #eaf3f9;
  --c-accent: #f5a25d;
  --c-accent-soft: #fff3e8;
  --c-bg: #f7fafc;
  --c-bg-2: #eff6fa;
  --c-white: #ffffff;
  --c-text: #223440;
  --c-text-2: #425c6b;
  --c-muted: #6f8490;
  --c-border: #deeaef;
  --c-footer: #254150;
  --c-footer-text: #d8e6ec;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow-xs: 0 2px 8px rgba(45, 91, 120, 0.05);
  --shadow-sm: 0 4px 16px rgba(45, 91, 120, 0.08);
  --shadow-md: 0 10px 28px rgba(45, 91, 120, 0.12);
  --shadow-lg: 0 22px 44px rgba(45, 91, 120, 0.14);
  --ease: .22s cubic-bezier(.2, .8, .2, 1);
}

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

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

input,
select,
textarea {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: transparent;
}

section {
  scroll-margin-top: 90px;
}

.container {
  position: relative;
  z-index: 2;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.section {
  padding: 92px 0;
}

.section-head {
  max-width: 760px;
}

.section-head--center {
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--c-primary);
  background: var(--c-primary-soft);
  padding: 7px 14px;
  border-radius: 99px;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-primary);
}

h1,
h2,
h3 {
  font-family: inherit;
  line-height: 1.35;
  color: var(--c-text);
  font-weight: 700;
}

.section-title {
  font-size: clamp(26px, 3vw, 34px);
  color: var(--c-text);
  line-height: 1.35;
}

.section-desc {
  margin-top: 14px;
  color: var(--c-text-2);
  font-size: 16px;
}

/* ===== header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(252, 254, 255, .86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(222, 234, 239, .8);
  transition: box-shadow .2s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 6px 24px rgba(36, 62, 78, .06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, #2d8bc6, #6eb9e8);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(45, 139, 198, .28);
}

.brand-name {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--c-text);
  white-space: nowrap;
}

.brand-name small {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--c-muted);
  margin-top: -2px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 1px solid var(--c-border);
  background: #fff;
}

.nav-toggle span,
.nav-toggle span::after,
.nav-toggle span::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--c-text);
  display: block;
  transition: var(--ease);
  border-radius: 4px;
}

.nav-toggle span::before {
  transform: translateY(-5px);
}

.nav-toggle span::after {
  transform: translateY(3px);
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  transform: rotate(-45deg);
}

.main-nav {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: flex-end;
  gap: 22px;
}

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

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
  padding: 9px 13px;
  border-radius: 9px;
  font-size: 16px;
  font-weight: 500;
  color: var(--c-text-2);
  transition: color var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  border-radius: 20px;
  background: var(--c-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--c-primary);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

.nav-link.is-active {
  color: var(--c-primary);
  background: rgba(45, 139, 198, .06);
}

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

.mega-wrap {
  position: relative;
  border-radius: 10px;
}

.mega-wrap .nav-link {
  cursor: pointer;
}

.mega-panel {
  position: absolute;
  top: calc(100% + 18px);
  left: -210px;
  width: 600px;
  padding: 14px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(222, 234, 239, .8);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--ease);
  z-index: 30;
}

.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.is-open .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.mega-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 12px;
}

.mega-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mega-label {
  font-size: 13px;
  color: var(--c-muted);
  padding: 6px 10px 4px;
  font-weight: 600;
  letter-spacing: .06em;
}

.mega-links a {
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--c-text-2);
  font-size: 15px;
  line-height: 1.4;
  transition: all var(--ease);
  border: 1px solid transparent;
}

.mega-links a:hover {
  background: var(--c-primary-soft);
  color: var(--c-primary);
  padding-left: 16px;
}

.mega-links a span {
  display: block;
  font-size: 13px;
  color: var(--c-muted);
}

.mega-visual {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  min-height: 180px;
}

.mega-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.mega-visual-content {
  position: absolute;
  inset: auto 0 0 0;
  padding: 16px;
  color: #fff;
  background: linear-gradient(to top, rgba(23, 48, 61, .88), transparent);
}

.mega-visual-content strong {
  font-size: 15px;
}

.mega-visual-content p {
  font-size: 13px;
  line-height: 1.6;
  margin-top: 4px;
  opacity: .92;
}

.mega-visual-content a {
  display: inline-block;
  margin-top: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, .7);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-primary);
  color: #fff;
  height: 42px;
  padding: 0 19px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(45, 139, 198, .26);
  transition: all var(--ease);
  white-space: nowrap;
}

.header-cta:hover {
  background: var(--c-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(45, 139, 198, .32);
}

.header-cta:focus-visible,
.mobile-nav-cta:focus-visible {
  outline: 3px solid rgba(45, 139, 198, .3);
}

/* ===== hero ===== */
.hero {
  position: relative;
  padding: 100px 0 76px;
  overflow: hidden;
  background: var(--c-bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(105deg, rgba(248, 252, 255, .96) 15%, rgba(235, 245, 250, .92) 56%, rgba(224, 240, 249, .72) 100%), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
}

.hero-bg::after {
  content: "";
  position: absolute;
  right: -80px;
  top: 40px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .32);
  filter: blur(2px);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 46px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  background: rgba(255, 255, 255, .8);
  border: 1px solid rgba(45, 139, 198, .18);
  color: var(--c-primary-dark);
  border-radius: 99px;
  padding: 7px 16px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  box-shadow: var(--shadow-xs);
}

.hero-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
}

.hero h1 {
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.28;
  letter-spacing: .01em;
  max-width: 580px;
}

.hero-lead {
  margin-top: 20px;
  color: var(--c-text-2);
  font-size: 16px;
  line-height: 2;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 22px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  transition: all var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(45, 139, 198, .24);
}

.btn-primary {
  background: var(--c-primary);
  color: #fff;
  box-shadow: 0 10px 28px rgba(45, 139, 198, .24);
}

.btn-primary:hover {
  background: var(--c-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(45, 139, 198, .3);
}

.btn-outline {
  background: #fff;
  border-color: rgba(45, 139, 198, .3);
  color: var(--c-primary-dark);
}

.btn-outline:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 26px;
  padding: 0;
}

.hero-points li {
  font-size: 14px;
  color: var(--c-text-2);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-points li::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(45, 139, 198, .12);
  background-image: radial-gradient(circle, var(--c-primary) 2.5px, transparent 2.6px);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid rgba(45, 139, 198, .15);
  max-width: 500px;
}

.proof-avatars {
  display: flex;
  align-items: center;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  background: linear-gradient(135deg, #b6d9ef, #2d8bc6);
  color: #fff;
  margin-right: -8px;
}

.avatar:nth-child(2) {
  background: linear-gradient(135deg, #f7c497, #f5a25d);
}

.avatar:nth-child(3) {
  background: linear-gradient(135deg, #a8c4d5, #577b90);
}

.hero-proof p {
  font-size: 13px;
  color: var(--c-muted);
}

.hero-visual {
  position: relative;
}

.hero-visual-main {
  border-radius: 22px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, .7);
  box-shadow: var(--shadow-lg);
  transform: rotate(1.2deg) translateX(8px);
}

.hero-visual-main img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.float-card {
  position: absolute;
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .85);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  color: var(--c-text-2);
  max-width: 210px;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  line-height: 1.5;
}

.float-card strong {
  color: var(--c-text);
  font-weight: 700;
}

.float-card .fc-icon {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: 14px;
  font-weight: 700;
}

.float-card--1 {
  top: 14px;
  left: -22px;
}

.float-card--2 {
  bottom: 28px;
  right: -14px;
}

/* ===== need strip ===== */
.need-section {
  padding: 68px 0 4px;
}

.need-strip {
  background: #fff;
  border-radius: 20px;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
  padding: 32px 38px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.need-strip-title {
  flex: 0 0 210px;
}

.need-strip-title .eyebrow {
  margin-bottom: 8px;
}

.need-strip-title p {
  font-size: 18px;
  font-weight: 700;
}

.need-tags {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 10px;
}

.need-tag {
  padding: 8px 14px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  color: var(--c-text-2);
  border-radius: 99px;
  font-size: 14px;
  transition: all var(--ease);
}

.need-tag:hover {
  background: var(--c-primary-soft);
  border-color: rgba(45, 139, 198, .22);
  color: var(--c-primary);
}

/* ===== services ===== */
.services-section {
  background: linear-gradient(to bottom, var(--c-bg), #fff);
}

.service-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 24px;
  align-items: stretch;
  margin-top: 42px;
}

.service-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  overflow: hidden;
}

.service-card {
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--ease);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(45, 139, 198, .28);
}

.service-main-image {
  height: 100%;
  min-height: 300px;
  overflow: hidden;
}

.service-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-main-content {
  padding: 32px 26px;
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 20px;
  line-height: 1.45;
}

.service-desc {
  margin-top: 10px;
  color: var(--c-text-2);
  font-size: 14.5px;
  line-height: 1.8;
}

.service-points {
  margin-top: 15px;
  display: grid;
  gap: 8px;
}

.service-points li {
  display: flex;
  gap: 8px;
  font-size: 14px;
  align-items: flex-start;
  color: var(--c-text-2);
}

.service-points li::before {
  content: "";
  width: 16px;
  height: 16px;
  margin-top: 5px;
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2.5 6.5 5 9l4-6' fill='none' stroke='%232d8bc6' stroke-width='1.6'/%3E%3C/svg%3E");
  background-size: contain;
  background-position: center;
  flex-shrink: 0;
}

.service-link {
  margin-top: auto;
  padding-top: 18px;
  color: var(--c-primary);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--ease);
}

.service-link:hover {
  color: var(--c-primary-dark);
  letter-spacing: .02em;
}

.service-side {
  display: grid;
  gap: 22px;
}

.service-small {
  display: grid;
  grid-template-columns: 4.6fr 5.4fr;
  overflow: hidden;
}

.service-small-content {
  padding: 20px 20px 18px 22px;
  display: flex;
  flex-direction: column;
}

.service-small-content h3 {
  font-size: 17px;
  line-height: 1.4;
}

.service-small-content p {
  font-size: 13.5px;
  color: var(--c-text-2);
  margin-top: 8px;
  line-height: 1.75;
}

.service-thumb {
  min-height: 150px;
  overflow: hidden;
}

.service-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== reasons ===== */
.reason-section {
  background: var(--c-primary-soft);
}

.reason-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  align-items: center;
  gap: 60px;
}

.reason-media {
  position: relative;
}

.reason-media-block {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 6px solid rgba(255, 255, 255, .6);
}

.reason-media img {
  width: 100%;
  aspect-ratio: 4 / 3.4;
  object-fit: cover;
}

.reason-float {
  position: absolute;
  right: -12px;
  bottom: 28px;
  left: auto;
  background: #fff;
  border-radius: 14px;
  padding: 13px 16px;
  box-shadow: var(--shadow-md);
  font-size: 13px;
  color: var(--c-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 250px;
}

.reason-float strong {
  color: var(--c-primary);
  font-size: 22px;
}

.reason-list {
  margin-top: 30px;
  display: grid;
  gap: 14px;
}

.reason-point {
  background: rgba(255, 255, 255, .68);
  border: 1px solid rgba(255, 255, 255, .7);
  padding: 17px 18px;
  border-radius: 13px;
  display: flex;
  align-items: flex-start;
  gap: 13px;
  transition: all var(--ease);
}

.reason-point:hover {
  background: #fff;
  border-color: rgba(45, 139, 198, .2);
  box-shadow: var(--shadow-sm);
}

.reason-icon {
  font-size: 20px;
}

.reason-point strong {
  font-size: 16px;
  display: block;
  line-height: 1.5;
}

.reason-point p {
  color: var(--c-text-2);
  font-size: 14px;
  line-height: 1.7;
  margin-top: 4px;
}

/* ===== stats ===== */
.stats {
  position: relative;
  background: linear-gradient(100deg, #f5faff, #e7f3fa 60%, #dbeefa);
  padding: 60px 0;
  border-block: 1px solid rgba(45, 139, 198, .14);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.stat-item {
  text-align: center;
  padding: 14px 10px;
}

.stat-num {
  font-size: clamp(30px, 4vw, 43px);
  font-weight: 800;
  line-height: 1;
  color: var(--c-primary-dark);
  letter-spacing: -0.02em;
}

.stat-num small {
  font-size: 18px;
  margin-left: 2px;
  color: var(--c-accent);
}

.stat-label {
  margin-top: 12px;
  color: var(--c-muted);
  font-size: 15px;
}

/* ===== news ===== */
.news-section {
  background: #fff;
}

.news-out {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 46px;
  margin-top: 40px;
}

.news-list {
  display: grid;
  gap: 4px;
}

.news-list-item {
  padding: 20px 4px;
  border-bottom: 1px solid var(--c-border);
  transition: all var(--ease);
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 22px;
  align-items: center;
}

.news-list-item:first-child {
  border-top: 1px solid var(--c-border);
}

.news-list-item:hover {
  background: linear-gradient(90deg, rgba(45, 139, 198, .02), transparent);
  padding-left: 12px;
}

.news-cat {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  background: var(--c-primary-soft);
  padding: 4px 10px;
  border-radius: 6px;
  width: fit-content;
  white-space: nowrap;
}

.news-title {
  font-size: 18px;
  line-height: 1.6;
}

.news-title a {
  color: var(--c-text);
  transition: color var(--ease);
}

.news-title a:hover {
  color: var(--c-primary);
}

.news-summary {
  margin-top: 5px;
  color: var(--c-muted);
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-date {
  color: var(--c-muted);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}

.news-more-btn {
  color: var(--c-primary);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}

.news-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--c-muted);
  background: var(--c-bg);
  border-radius: 14px;
  border: 1px dashed var(--c-border);
}

.news-side {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.side-panel {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

.side-panel--tint {
  background: linear-gradient(160deg, #eef6fa, #fff);
}

.side-panel h3 {
  font-size: 18px;
  margin-bottom: 14px;
}

.side-panel p {
  color: var(--c-text-2);
  font-size: 14px;
}

.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  display: inline-block;
  padding: 5px 11px;
  font-size: 13px;
  border-radius: 999px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  color: var(--c-text-2);
  transition: all var(--ease);
}

.tag:hover {
  background: var(--c-primary-soft);
  color: var(--c-primary);
  border-color: transparent;
}

.side-list {
  display: grid;
  gap: 8px;
  counter-reset: sideCount;
}

.side-list li {
  counter-increment: sideCount;
  display: flex;
  gap: 10px;
  color: var(--c-text-2);
  font-size: 14px;
  align-items: flex-start;
}

.side-list li::before {
  content: counter(sideCount, decimal-leading-zero);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-primary);
  opacity: .75;
  font-family: inherit;
}

/* ===== steps ===== */
.step-section {
  background: var(--c-bg);
}

.step-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}

.step-grid::before {
  content: "";
  position: absolute;
  left: 60px;
  right: 60px;
  top: 44px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), rgba(45, 139, 198, .14));
  opacity: .35;
}

.step-item {
  position: relative;
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-xs);
  padding: 24px 18px;
  transition: all var(--ease);
}

.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(45, 139, 198, .28);
}

.step-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  box-shadow: 0 8px 20px rgba(45, 139, 198, .26);
}

.step-item h3 {
  font-size: 16px;
}

.step-item p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ===== faq ===== */
.faq-section {
  background: #fff;
}

.faq-wrap {
  max-width: 900px;
  margin: 36px auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--c-border);
  transition: background var(--ease);
}

.faq-item:first-child {
  border-top: 1px solid var(--c-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  text-align: left;
  padding: 22px 10px 22px 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text);
  transition: color var(--ease);
  border-radius: 4px;
}

.faq-question:hover {
  color: var(--c-primary);
}

.faq-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  transition: all var(--ease);
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--c-primary);
  background: var(--c-primary);
  color: #fff;
}

.faq-answer {
  display: none;
  padding: 0 40px 20px 0;
  font-size: 15px;
  color: var(--c-text-2);
  line-height: 2;
}

.faq-item.is-open .faq-answer {
  display: block;
  animation: fade-up .3s ease;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== consult / contact ===== */
.consult-section {
  background: linear-gradient(135deg, #e7f3fa 0%, #f6fafd 58%, #fdeee2 100%);
}

.consult-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 36px;
  align-items: stretch;
  background: #fff;
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid rgba(222, 234, 239, .7);
}

.consult-copy {
  background: linear-gradient(135deg, #e5f3fb, #fafdff);
  padding: 52px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.consult-copy h2 {
  font-size: 30px;
  margin-top: 8px;
}

.consult-copy > p {
  color: var(--c-text-2);
  margin-top: 16px;
  line-height: 1.9;
}

.consult-info {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.consult-info li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--c-text-2);
  font-size: 14px;
}

.consult-info li::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  border-radius: 50%;
  margin-top: 10px;
}

.form-panel {
  padding: 46px 42px 40px;
}

.form-panel h3 {
  font-size: 23px;
}

.form-panel .form-tip {
  color: var(--c-muted);
  font-size: 14px;
  margin-top: 6px;
}

.consult-form {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 14px;
}

.field {
  display: grid;
  gap: 6px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-2);
}

.field input,
.field select,
.field textarea {
  border: 1px solid #dbe6ed;
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--c-bg);
  font-size: 15px;
  transition: border var(--ease), box-shadow var(--ease), background var(--ease);
  width: 100%;
}

.field textarea {
  resize: vertical;
  min-height: 100px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #9fb2bc;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--c-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(45, 139, 198, .14);
}

.form-submit {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

.form-submit .btn {
  width: 100%;
  height: 50px;
}

.privacy-note {
  margin-top: 18px;
  color: #94a3b8;
  font-size: 13px;
  line-height: 1.7;
}

/* ===== footer ===== */
.site-footer {
  background: var(--c-footer);
  color: var(--c-footer-text);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 44px;
  padding-bottom: 54px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand .brand-mark {
  background: rgba(255, 255, 255, .13);
  color: #fff;
}

.footer-brand .brand-name {
  color: #fff;
  font-size: 22px;
}

.footer-desc {
  margin-top: 20px;
  font-size: 14px;
  line-height: 2;
  opacity: .85;
  max-width: 360px;
}

.footer-col-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links {
  display: grid;
  gap: 9px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(220, 232, 238, .84);
  transition: color var(--ease), padding-left var(--ease);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 5px;
}

.footer-contact {
  display: grid;
  gap: 10px;
  font-size: 14px;
  color: rgba(220, 232, 238, .86);
}

.footer-contact strong {
  color: #fff;
  font-size: 20px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(220, 232, 238, .7);
}

.footer-bottom a {
  color: rgba(220, 232, 238, .8);
}

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

.index-placeholder {
  display: none;
}

/* ===== responsive ===== */
@media (max-width: 1100px) {
  .hero-inner {
    gap: 28px;
  }

  .float-card--1 {
    left: -8px;
  }

  .float-card--2 {
    right: 0;
  }

  .main-nav {
    gap: 8px;
  }

  .nav-link {
    padding: 9px 9px;
    font-size: 15px;
  }

  .header-cta {
    padding: 0 14px;
    font-size: 14px;
  }
}

@media (max-width: 991px) {
  .section {
    padding: 64px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    width: auto;
    flex-direction: column;
    gap: 12px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    display: none;
    align-items: stretch;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: all var(--ease);
  }

  .site-header.nav-open .main-nav {
    display: flex;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-pages {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    padding: 12px 14px;
    justify-content: space-between;
    border-radius: 10px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link.is-active {
    background: var(--c-primary-soft);
  }

  .header-cta {
    margin-top: 8px;
    width: 100%;
  }

  .mega-wrap {
    width: 100%;
  }

  .mega-wrap .nav-link {
    width: 100%;
  }

  .mega-panel {
    position: static;
    width: 100%;
    margin-top: 6px;
    box-shadow: none;
    border: 1px solid var(--c-border);
    opacity: 1;
    visibility: hidden;
    transform: none;
    display: none;
    background: var(--c-bg);
    border-radius: 12px;
    transition: none;
  }

  .mega-wrap:hover .mega-panel,
  .mega-wrap.is-open .mega-panel {
    visibility: visible;
    display: block;
  }

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

  .mega-visual {
    display: none;
  }

  .hero {
    padding: 60px 0 48px;
  }

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

  .hero-visual-main {
    transform: none;
  }

  .float-card--1 {
    left: 10px;
  }

  .float-card--2 {
    right: 10px;
  }

  .service-grid,
  .reason-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service-card {
    min-height: auto;
  }

  .reason-grid {
    gap: 30px;
  }

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

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

  .step-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

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

  .consult-copy {
    padding: 40px 32px;
  }

  .form-panel {
    padding: 36px 32px 34px;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(100% - 36px, 1200px);
  }

  .section {
    padding: 52px 0;
  }

  .header-inner {
    height: 68px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 17px;
    border-radius: 10px;
  }

  .brand-name {
    font-size: 19px;
  }

  .hero {
    padding-top: 38px;
  }

  .hero h1 {
    font-size: 31px;
  }

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

  .hero-points {
    gap: 8px 16px;
  }

  .hero-proof {
    align-items: flex-start;
    flex-direction: column;
  }

  .float-card {
    position: relative;
    inset: auto;
    margin-top: -42px;
    margin-left: 10px;
    margin-right: 10px;
    width: calc(100% - 20px);
    max-width: none;
  }

  .need-section {
    padding-top: 28px;
  }

  .need-strip {
    padding: 22px 18px;
  }

  .service-main {
    grid-template-columns: 1fr;
  }

  .service-main-image {
    min-height: 200px;
    height: 220px;
  }

  .service-small {
    grid-template-columns: 1fr;
  }

  .service-thumb {
    min-height: 180px;
    height: 200px;
    order: 1;
  }

  .service-small-content {
    order: 2;
  }

  .stat-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .news-list-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 4px;
  }

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

  .side-panel {
    padding: 18px;
  }

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

  .consult-copy {
    padding: 32px 22px;
  }

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

  .field--full,
  .form-submit {
    grid-column: 1;
  }

  .form-panel {
    padding: 30px 22px 28px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 0;
  }
}

@media (max-width: 380px) {
  .brand-name {
    font-size: 17px;
  }

  .news-summary {
    -webkit-line-clamp: 2;
  }
}

/* roulang page: article */
/* ============ 设计变量 / Reset ============ */
:root{
  --primary:#2D8BC6;
  --primary-deep:#226FA2;
  --primary-light:#EAF3F9;
  --primary-lighter:#F2F6FA;
  --accent:#F5A25D;
  --text:#24333E;
  --text-soft:#5B6B76;
  --text-faint:#94A3B8;
  --border:#E2EAF1;
  --card-bg:#FFFFFF;
  --body-bg:#FAFCFE;
  --radius:12px;
  --radius-sm:6px;
  --shadow:0 4px 16px rgba(45,91,120,.08);
  --shadow-hover:0 10px 28px rgba(45,91,120,.13);
  --max-w:1200px;
  --container-pad:24px;
  --section-space:72px;
  --font-stack:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --time-rgba:rgba(45,139,198,.08);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-stack);
  background-color:var(--body-bg);
  color:var(--text);
  line-height:1.8;
  font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,textarea,select{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
.container{max-width:var(--max-w);margin:0 auto;padding-left:var(--container-pad);padding-right:var(--container-pad)}
.section{padding:var(--section-space) 0}
.section-alt{background:#FFFFFF}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.35rem;
  height:46px;padding:0 26px;border-radius:10px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;font-size:16px;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 10px 20px rgba(45,139,198,.25)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible,.btn-line:focus-visible{outline:3px solid rgba(45,139,198,.35);outline-offset:2px}
.btn-line{background:transparent;border-color:#BFD6E6;color:var(--primary)}
.btn-line:hover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#e9903f;transform:translateY(-1px);box-shadow:0 10px 20px rgba(245,162,93,.25)}
.tag{
  display:inline-block;padding:3px 12px;border-radius:100px;font-size:13px;
  background:var(--primary-light);color:var(--primary-deep);font-weight:500;
}
.tag-orange{background:#FFF3E7;color:#D47730}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--primary);
  font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px}
.section-title-wrap{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px}
.section-title-wrap h2{font-size:34px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.section-caption{color:var(--text-soft);font-size:15px;max-width:480px;line-height:2.0}
@media(max-width:768px){
  .section-title-wrap{flex-direction:column;align-items:flex-start;margin-bottom:28px}
  .section-title-wrap h2{font-size:28px}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(250,252,254,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(229,238,245,.8);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),#69B5E3);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;box-shadow:0 6px 14px rgba(45,139,198,.25);
}
.brand-name{font-size:22px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.main-nav{display:flex;align-items:center;justify-content:flex-end;gap:22px;flex:1}
.nav-pages{display:flex;align-items:center;gap:6px}
.nav-link{
  display:inline-flex;align-items:center;gap:4px;padding:8px 14px;border-radius:100px;
  font-size:15px;font-weight:500;color:var(--text-soft);position:relative;background:transparent;border:none;cursor:pointer;transition:all .2s;
}
.nav-link:hover{color:var(--primary);background:rgba(45,139,198,.06)}
.nav-link.is-active{
  color:var(--primary-deep);font-weight:600;background:var(--primary-light);
}
.mega-wrap{position:relative}
.mega-trigger{color:var(--text-soft)}
.mega-trigger[aria-expanded="true"]{color:var(--primary);background:rgba(45,139,198,.06)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:-60px;width:660px;max-width:90vw;
  background:#fff;border-radius:16px;box-shadow:0 18px 46px rgba(44,75,98,.14);
  border:1px solid var(--border);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .2s ease;z-index:999;overflow:hidden;
}
.mega-wrap:hover .mega-panel,.mega-trigger[aria-expanded="true"] + .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);
}
.mega-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:0}
.mega-links{padding:22px 8px 22px 10px;display:flex;flex-direction:column;gap:2px}
.mega-label{
  font-size:13px;font-weight:600;color:var(--text-faint);letter-spacing:.05em;
  padding:0 18px 10px;
}
.mega-links a{display:flex;flex-direction:column;gap:2px;padding:11px 18px;border-radius:10px;transition:all .2s}
.mega-links a:hover{background:var(--primary-light)}
.mega-links a span{font-size:13px;color:var(--text-faint)}
.mega-visual{background:var(--primary-lighter);padding:20px;display:flex;flex-direction:column;justify-content:center;position:relative}
.mega-visual img{width:100%;height:130px;object-fit:cover;border-radius:10px;margin-bottom:14px}
.mega-visual-content strong{font-size:17px;margin-bottom:6px;display:block}
.mega-visual-content p{font-size:13px;color:var(--text-soft);line-height:1.7}
.mega-visual-content a{display:inline-block;margin-top:12px;color:var(--primary);font-weight:600;font-size:14px}
.header-cta{flex-shrink:0;margin-left:10px}
.nav-toggle{
  display:none;width:40px;height:40px;border:none;background:var(--primary-light);
  border-radius:8px;cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  width:18px;height:2px;background:var(--primary-deep);border-radius:2px;
  display:block;transition:all .3s;content:"";position:absolute;left:11px;
}
.nav-toggle span{top:19px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

@media(max-width:992px){
  .nav-toggle{display:block}
  .header-inner{height:64px}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;padding:18px 24px 26px;gap:16px;border-bottom:1px solid var(--border);
    box-shadow:0 18px 30px rgba(20,40,60,.08);display:none;max-height:calc(100vh - 64px);overflow:auto;
  }
  .main-nav.is-open{display:flex}
  .nav-pages{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{justify-content:flex-start;padding:12px 16px;border-radius:10px}
  .header-cta{margin-left:0}
  .mega-wrap{display:block}
  .mega-panel{
    position:static;opacity:1;visibility:visible;transform:none;width:100%;
    margin-top:6px;box-shadow:none;border:1px solid var(--border);max-height:none;
    display:block;border-radius:12px;
  }
  .mega-wrap:hover .mega-panel{display:block}
  .mega-grid{grid-template-columns:1fr}
  .mega-visual{display:none}
}

/* ============ 文章页主体 ============ */
.article-page-header{
  background:linear-gradient(180deg,var(--primary-light),#fff);
  border-bottom:1px solid var(--border);
  padding:56px 0 60px;
}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-faint);margin-bottom:22px}
.breadcrumb-list a{color:var(--text-soft)}
.breadcrumb-list a:hover{color:var(--primary)}
.breadcrumb-list .sep{color:#C5D4DE}
.breadcrumb-list .current{color:var(--text-faint);cursor:default}
.article-category-row{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.article-heading h1{
  font-size:42px;line-height:1.35;font-weight:700;color:var(--text);
  max-width:920px;letter-spacing:-.01em;margin-bottom:20px;
}
.article-heading .excerpt{
  max-width:700px;font-size:16px;color:var(--text-soft);line-height:2.0;margin-bottom:24px;
}
.article-meta-info{
  display:flex;flex-wrap:wrap;gap:18px 24px;align-items:center;
  color:var(--text-faint);font-size:14px;
}
.article-meta-info .meta-item{display:inline-flex;align-items:center;gap:5px}
.article-meta-info .meta-item em{font-style:normal;color:var(--text-soft)}

@media(max-width:768px){
  .article-page-header{padding:42px 0 46px}
  .article-heading h1{font-size:30px;line-height:1.42}
  .breadcrumb-list{margin-bottom:16px}
  .article-meta-info{gap:12px 16px}
}

/* ============ 正文区域 ============ */
.article-content-layout{
  display:grid;grid-template-columns:repeat(12,1fr);gap:48px;padding:56px 0 40px;
}
.article-body-wrap{grid-column:4/10}
.article-main-card{
  background:#fff;border-radius:var(--radius);padding:8px 0 0;
}
.content-body{
  color:#374957;font-size:16px;line-height:2.0;
  overflow-wrap:anywhere;word-break:break-word;
}
.content-body p{margin-bottom:24px;font-size:16px;color:#3B4D5A;line-height:2.05}
.content-body h2{
  font-size:26px;font-weight:700;margin:44px 0 16px;color:var(--text);padding-bottom:10px;border-bottom:1px solid var(--border);
}
.content-body h3{font-size:20px;font-weight:600;margin:34px 0 12px;color:var(--text)}
.content-body h4{font-size:17px;font-weight:600;margin:26px 0 10px;color:var(--text)}
.content-body img{border-radius:var(--radius);margin:28px 0;box-shadow:var(--shadow)}
.content-body ul{margin:0 0 24px 6px}
.content-body ul li{
  position:relative;padding-left:22px;margin-bottom:8px;line-height:1.85;
}
.content-body ul li::before{
  content:"";position:absolute;left:0;top:13px;width:10px;height:10px;
  background:var(--primary-light);border-radius:50%;border:3px solid var(--primary);box-sizing:border-box;
}
.content-body ol{margin:0 0 24px;padding-left:22px;counter-reset:item}
.content-body ol li{
  position:relative;padding-left:6px;margin-bottom:10px;counter-increment:item;line-height:1.85;
}
.content-body ol li::before{
  content:counter(item) ".";
  position:absolute;left:-18px;color:var(--primary);font-weight:700;font-size:15px;
}
.content-body blockquote{
  background:var(--primary-lighter);border-left:4px solid var(--primary);
  padding:18px 22px;margin:28px 0;border-radius:0 10px 10px 0;color:#4D6474;
}
.content-body blockquote p:last-child{margin-bottom:0}
.content-body pre{background:#1F2D3A;color:#E5F0F8;padding:20px;border-radius:10px;overflow-x:auto;font-size:14px;margin:26px 0}
.content-body code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;background:#E5F0F6;color:#2274A0;padding:2px 8px;border-radius:6px;font-size:14px}
.content-body pre code{background:transparent;color:inherit;padding:0}
.content-body hr{border:none;border-top:1px solid var(--border);margin:34px 0}
.content-body a{color:var(--primary);border-bottom:1px solid rgba(45,139,198,.35)}
.content-body a:hover{border-bottom-color:var(--primary)}
.content-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.content-body th{background:var(--primary-light);color:var(--primary-deep);font-weight:600;text-align:left;padding:10px 16px;border:1px solid #DFEAF2}
.content-body td{padding:10px 16px;border:1px solid #E2EAF1;background:#fff}

.article-not-found{
  text-align:center;padding:60px 20px;background:#FFFFFF;border-radius:16px;
  border:1px solid var(--border);box-shadow:var(--shadow);margin:56px 0;
}
.article-not-found .nf-icon{
  width:68px;height:68px;border-radius:50%;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;margin:0 auto 20px;
  color:var(--primary);font-size:30px;
}
.article-not-found h2{font-size:26px;color:var(--text);margin-bottom:10px}
.article-not-found p{color:var(--text-faint);margin-bottom:24px}

/* CTA 中卡 */
.article-cta-mid{
  margin:36px 0 8px;background:var(--primary-light);border-radius:16px;
  padding:34px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  border:1px solid rgba(45,139,198,.14);
}
.article-cta-mid .cta-text strong{font-size:20px;display:block;margin-bottom:6px;color:var(--text)}
.article-cta-mid .cta-text p{font-size:14px;color:var(--text-soft)}

@media(max-width:1024px){
  .article-body-wrap,.content-body-layout{grid-column:1/-1;max-width:900px}
  .article-content-layout{display:block;padding:44px 0 30px}
}
@media(max-width:768px){
  .article-content-layout{padding:30px 0 20px}
  .content-body h2{font-size:22px}
  .article-cta-mid{padding:24px;flex-direction:column;align-items:flex-start}
}

/* ============ 推荐相关 ============ */
.related-section{background:#fff;border-top:1px solid var(--border);padding:64px 0 70px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.related-card{
  background:var(--body-bg);border:1px solid var(--border);border-radius:14px;
  overflow:hidden;display:flex;flex-direction:column;transition:all .25s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(45,139,198,.28)}
.related-card .rel-img{height:150px;overflow:hidden;position:relative;background:#EDF3F8;display:flex;align-items:center;justify-content:center}
.related-card .rel-img img{width:100%;height:100%;object-fit:cover}
.related-card .rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-card .rel-tags{display:flex;gap:8px}
.related-card h3{font-size:17px;line-height:1.6;font-weight:600}
.related-card h3 a:hover{color:var(--primary)}
.related-card .rel-meta{color:var(--text-faint);font-size:13px;display:flex;justify-content:space-between;align-items:center;margin-top:auto}
.related-card .rel-meta em{font-style:normal}
.read-link{margin-right:6px;font-size:13px;color:var(--primary);font-weight:600}
.back-entry{display:flex;justify-content:space-between;align-items:center;margin:36px 0 18px;flex-wrap:wrap;gap:16px}
.back-link{
  display:inline-flex;align-items:center;color:var(--primary);font-weight:600;font-size:15px;gap:6px;
}
@media(max-width:992px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .related-grid{grid-template-columns:1fr}
}

/* ============ FAQ ============ */
.faq-section{background:var(--body-bg);padding:68px 0}
.faq-inner-column{column-count:1;column-gap:45px;max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  padding:22px 24px;margin-bottom:16px;cursor:pointer;transition:box-shadow .2s,border-color .2s;
  break-inside:avoid;box-shadow:0 2px 8px rgba(45,91,120,.03);
}
.faq-item:hover{border-color:rgba(45,139,198,.34)}
.faq-question{
  display:flex;justify-content:space-between;align-items:center;gap:14px;font-weight:600;color:var(--text);font-size:16px;cursor:pointer;border:none;background:transparent;width:100%;text-align:left;padding:0;
}
.faq-question .faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1px solid #CDDDED;color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:400}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .3s ease, padding .3s;
  color:var(--text-soft);font-size:15px;line-height:1.9;padding:0;
}
.faq-item.is-open .faq-icon{border-color:var(--primary);background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-item.is-open .faq-answer{max-height:500px;padding-top:16px}
@media(max-width:640px){
  .faq-inner-column{max-width:100%}
}

/* ============ 页脚 ============ */
.site-footer{background:#163444;color:#C7DBE8;padding:68px 0 0;margin-top:0}
.site-footer .container{}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:46px;border-bottom:1px solid rgba(180,210,225,.12)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.2);backdrop-filter:blur(4px)}
.footer-brand .brand-name{color:#fff;font-size:24px}
.footer-desc{color:#93B3C6;font-size:15px;line-height:1.9;max-width:340px}
.footer-col-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:22px;position:relative;padding-bottom:12px}
.footer-col-title::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:3px;border-radius:3px;background:var(--primary)}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:#97B6C8;font-size:14px;transition:all .2s;display:inline-flex;align-items:center;gap:7px}
.footer-links a::before{content:"›";color:#4E7E99;font-size:16px;transition:margin .2s}
.footer-links a:hover{color:#fff;margin-left:3px}
.footer-links a:hover::before{color:var(--accent)}
.footer-contact{ display:flex;flex-direction:column;gap:12px;color:#97B6C8;font-size:14px;line-height:1.7}
.footer-contact a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:22px 0;color:#7D9EAF;font-size:13px;line-height:1.7;
}
.footer-bottom span:last-child{opacity:.85}
@media(max-width:1024px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media(max-width:640px){
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:34px}
  .site-footer{padding:54px 0 0}
}

/* ============ 移动端 active 按压 ============ */
@media(max-width:820px){
  .btn:active{transform:scale(.97)}
  .related-card:active,.faq-item:active{transform:scale(.995)}
}

/* 文章正文图片 / alt 样式 */
.content-body figure{margin:28px 0}
.content-body figcaption{font-size:13px;color:var(--text-faint);text-align:center;margin-top:10px}

/* mega-trigger 键盘入场 */
.mega-trigger:focus-visible,.nav-link:focus-visible{
  outline:3px solid rgba(45,139,198,.36);outline-offset:1px;border-radius:100px;
}

/* 组件通用跳转锚点偏移 */
#contact,#faq,#news,#process{scroll-margin-top:92px}

/* roulang page: category1 */
:root {
  --brand: #2D8BC6;
  --brand-dark: #1F6F9F;
  --brand-soft: #EAF3F9;
  --brand-soft-2: #F2F6FA;
  --accent: #F5A25D;
  --body-bg: #FAFCFE;
  --bg-white: #FFFFFF;
  --text-heading: #1E2D38;
  --text-body: #4B5B65;
  --text-weak: #788A97;
  --muted: #94A3B8;
  --line: #E4EBF1;
  --line-dark: #D6E1E9;
  --radius-lg: 18px;
  --radius: 12px;
  --radius-sm: 7px;
  --shadow: 0 4px 16px rgba(45, 91, 120, 0.08);
  --shadow-hover: 0 10px 28px rgba(45, 91, 120, 0.12);
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

input,
textarea,
select,
button {
  font-size: 15px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible {
  outline: 3px solid rgba(45, 139, 198, .3);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========== 按钮、标签、视觉辅助 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 15px;
  line-height: 1.2;
  font-weight: 600;
  background: none;
  border: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .2s ease;
}

.btn + .btn {
  margin-left: 12px;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 20px rgba(45, 139, 198, .2);
}

.btn-primary:hover {
  background: var(--brand-dark);
  box-shadow: 0 10px 26px rgba(45, 139, 198, .28);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(45, 139, 198, .2);
}

.btn-ghost {
  background: rgba(255, 255, 255, .75);
  border-color: #CBDBE6;
  color: var(--text-heading);
}

.btn-ghost:hover {
  border-color: var(--brand);
  color: var(--brand-dark);
  background: #fff;
  transform: translateY(-1px);
}

.btn-ghost-light {
  background: rgba(255, 255, 255, .8);
  border-color: rgba(45, 139, 198, .3);
  color: var(--brand-dark);
}

.btn-ghost-light:hover {
  background: #fff;
  border-color: var(--brand);
}

.eyebrow {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--brand);
  display: inline-block;
  margin-bottom: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.badge-accent {
  background: #FFF3E8;
  color: #C66B2B;
}

/* ========== Header & Mega Menu ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(16px);
  transition: border-color .3s, box-shadow .3s;
}

.site-header.is-scrolled {
  border-bottom: 1px solid rgba(226, 235, 242, .9);
  box-shadow: 0 8px 24px rgba(45, 91, 120, .06);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #2D8BC6, #77B9E4);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(45, 139, 198, .25);
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--text-heading);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  position: relative;
  transition: border-color .2s;
}

.nav-toggle.is-active {
  border-color: var(--brand);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 11px;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-dark);
  transition: transform .25s, opacity .2s;
}

.nav-toggle span {
  top: 50%;
  transform: translateY(-50%);
}

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

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

.nav-toggle.is-active span {
  background: transparent;
}

.nav-toggle.is-active span::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle.is-active span::after {
  transform: rotate(-45deg);
  top: 0;
}

.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-pages {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 2px;
  background: transparent;
  border: 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-heading);
  transition: color .2s;
}

.nav-pages .nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transition: left .22s, right .22s;
}

.nav-pages .nav-link:hover,
.nav-pages .nav-link.is-active {
  color: var(--brand-dark);
}

.nav-pages .nav-link:hover::after,
.nav-pages .nav-link.is-active::after {
  left: 4px;
  right: 4px;
}

.mega-wrap {
  position: relative;
}

.mega-trigger svg,
.mega-trigger span {
  font-size: 14px;
  color: var(--brand);
}

.mega-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: -44px;
  width: 640px;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 20px 50px rgba(45, 91, 120, .16);
  border: 1px solid var(--line);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .22s, transform .22s, visibility .22s;
  z-index: 90;
}

.mega-panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -16px;
  height: 16px;
  background: transparent;
}

.mega-wrap:hover .mega-panel,
.mega-wrap.is-open .mega-panel,
.mega-wrap:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.mega-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
}

.mega-links,
.mega-visual {
  padding: 24px;
}

.mega-links {
  border-right: 1px solid #F0F4F7;
}

.mega-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--muted);
  margin-bottom: 10px;
}

.mega-links > a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid #F0F4F7;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
  transition: color .2s, padding-left .2s;
}

.mega-links > a span {
  display: block;
  margin-top: 1px;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-weak);
}

.mega-links > a:last-child {
  border-bottom: 0;
}

.mega-links > a:hover {
  color: var(--brand-dark);
  padding-left: 4px;
}

.mega-visual {
  display: flex;
  flex-direction: column;
}

.mega-visual img {
  width: 100%;
  height: 116px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 14px;
}

.mega-visual strong {
  font-size: 16px;
  color: var(--text-heading);
  line-height: 1.5;
  display: block;
  margin-bottom: 6px;
}

.mega-visual p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-weak);
  margin-bottom: 10px;
}

.mega-visual a {
  color: var(--brand);
  font-size: 14px;
  font-weight: 600;
}

.mega-visual a:hover {
  color: var(--brand-dark);
  text-decoration: underline;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-height: 42px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 6px 16px rgba(45, 139, 198, .2);
  transition: background .2s, transform .2s, box-shadow .2s;
}

.header-cta:hover {
  background: var(--brand-dark);
  box-shadow: 0 8px 20px rgba(45, 139, 198, .28);
  transform: translateY(-1px);
}

/* ========== 分类 Hero ========== */
.category-hero {
  position: relative;
  overflow: hidden;
  padding: 62px 0 72px;
  background: linear-gradient(120deg, #E7F2F9 0%, #F2F7FB 48%, #FBFDFE 100%);
}

.category-hero .hero-decor {
  position: absolute;
  right: -70px;
  top: -80px;
  width: 600px;
  height: 480px;
  background: url("/assets/images/backpic/back-3.webp") no-repeat right top / contain;
  opacity: .32;
  transform: rotate(-1deg);
  pointer-events: none;
}

.category-hero .hero-decor::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(231, 242, 249, .45), rgba(250, 253, 254, .85));
}

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

.hero-grid {
  display: grid;
  grid-template-columns: 1.16fr .84fr;
  gap: 56px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(32px, 4.2vw, 46px);
  line-height: 1.24;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -.02em;
  margin-bottom: 18px;
}

.hero-copy p {
  max-width: 560px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-body);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 0;
}

.hero-panel {
  position: relative;
  background: rgba(255, 255, 255, .88);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 18px;
  box-shadow: var(--shadow-hover);
  padding: 24px 26px;
  backdrop-filter: blur(8px);
}

.hero-panel::after {
  content: "标准栏目参考";
  position: absolute;
  top: -10px;
  right: 20px;
  padding: 2px 12px;
  background: #F5F9FC;
  color: var(--brand);
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}

.panel-head span {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
}

.panel-head em {
  font-style: normal;
  font-size: 13px;
  color: var(--muted);
}

.hero-list {
  list-style: none;
}

.hero-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--text-body);
  border-bottom: 1px dashed var(--line);
}

.hero-list li:last-child {
  border-bottom: 0;
}

.hero-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(45, 139, 198, .12);
  background-image: radial-gradient(circle at center, var(--brand) 0 4px, transparent 4.5px);
}

/* ========== 通用内容区 ========== */
.content-section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 44px;
}

.section-head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.section-head--split .section-head-copy {
  flex: 0 0 60%;
}

.section-head h2,
.section-head--split h2 {
  font-size: clamp(25px, 3vw, 32px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -.01em;
}

.section-desc {
  max-width: 390px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-weak);
}

/* ========== 左右图文说明 ========== */
.split-section {
  background: var(--body-bg);
}

.split-grid {
  display: grid;
  grid-template-columns: .94fr 1.06fr;
  gap: 56px;
  align-items: center;
}

.split-media {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: var(--brand-soft);
  box-shadow: var(--shadow);
}

.split-media img {
  width: 100%;
  height: 100%;
  min-height: 330px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.split-copy p {
  margin-bottom: 18px;
  font-size: 16px;
}

.split-copy strong {
  color: var(--text-heading);
  font-weight: 600;
}

.split-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  margin: 22px 0 8px;
}

.split-features li {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 14px;
  color: var(--text-body);
}

.split-features li::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

/* ========== 服务卡片集合 ========== */
.service-section {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-grid {
  display: grid;
  gap: 24px;
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--body-bg);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  transition: box-shadow .3s, transform .3s, border-color .3s;
}

.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: #CBE1EF;
}

.service-card .badge {
  margin-bottom: 14px;
}

.service-card h3 {
  font-size: 20px;
  line-height: 1.5;
  color: var(--text-heading);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-body);
}

.service-media {
  overflow: hidden;
  border-radius: 14px;
  margin: -2px -2px 20px;
}

.service-media img {
  width: 100%;
  min-height: 230px;
  object-fit: cover;
  aspect-ratio: 16 / 10;
  transition: transform .5s;
}

.service-card:hover .service-media img {
  transform: scale(1.03);
}

@media (min-width: 760px) {
  .service-grid {
    grid-template-columns: 1.12fr .88fr;
    grid-auto-rows: 1fr 1fr;
  }

  .service-card--stack {
    grid-row: span 2;
    padding: 20px;
  }

  .service-card--stack .service-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
  }
}

/* ========== 上线检查与交付 ========== */
.proof-section {
  background: linear-gradient(180deg, var(--brand-soft) 0%, #F7FAFD 100%);
}

.proof-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 56px;
  align-items: center;
}

.proof-lead h2 {
  font-size: clamp(24px, 3vw, 31px);
  line-height: 1.4;
  color: var(--text-heading);
  letter-spacing: -.01em;
}

.proof-lead > p {
  margin-top: 16px;
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.9;
}

.check-card {
  background: #fff;
  border-radius: 18px;
  padding: 28px 28px 20px;
  box-shadow: var(--shadow);
  border: 1px solid #ECF2F7;
}

.check-list {
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.check-list li:last-child {
  border-bottom: 0;
}

.check-list .check-ic {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 15px;
  font-weight: 700;
  margin-top: 2px;
}

.check-list strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
}

.check-list span {
  font-size: 14px;
  color: var(--text-weak);
}

/* ========== 流程 ========== */
.process-section {
  background: #fff;
}

.process-section .section-head {
  text-align: center;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.step-card {
  height: 100%;
  background: var(--body-bg);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  transition: transform .25s, box-shadow .25s;
}

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

.step-num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 14px;
}

.step-card h3 {
  font-size: 16px;
  color: var(--text-heading);
  font-weight: 600;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-weak);
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--brand-soft-2);
}

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

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

.faq-item {
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--line);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .25s;
}

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

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 21px 24px;
  background: transparent;
  border: 0;
  font-size: 17px;
  font-weight: 500;
  text-align: left;
  color: var(--text-heading);
  transition: background .2s, color .2s;
}

.faq-q:hover {
  color: var(--brand-dark);
  background: #FBFDFE;
}

.faq-icon {
  position: relative;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--brand-soft);
  transition: background .2s, transform .25s;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform .25s;
}

.faq-item.is-active .faq-icon {
  background: var(--brand);
}

.faq-item.is-active .faq-icon::before,
.faq-item.is-active .faq-icon::after {
  background: #fff;
}

.faq-item.is-active .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
  padding: 0 24px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-body);
}

.faq-item.is-active .faq-a {
  max-height: 300px;
  padding-bottom: 22px;
}

/* ========== CTA + 表单 ========== */
.cta-section {
  position: relative;
  padding: 88px 0;
  background:
    radial-gradient(circle at 85% 10%, rgba(45, 139, 198, .08), transparent 40%),
    linear-gradient(135deg, #EAF3F9 0%, #F7FAFC 100%);
}

.cta-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.06fr;
  gap: 0;
  background: rgba(255, 255, 255, .9);
  border: 1px solid rgba(255, 255, 255, .65);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(45, 91, 120, .1);
  backdrop-filter: blur(8px);
}

.cta-lead {
  padding: 42px 40px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, .88), rgba(238, 246, 251, .92)),
    url("/assets/images/backpic/back-1.png") no-repeat 88% 78% / 44% auto;
}

.cta-lead h2 {
  font-size: clamp(24px, 3vw, 31px);
  line-height: 1.4;
  color: var(--text-heading);
  margin-bottom: 14px;
}

.cta-lead > p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-weak);
  margin-bottom: 24px;
}

.cta-lead ul {
  list-style: none;
  margin-bottom: 30px;
  max-width: 410px;
}

.cta-lead li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-size: 15px;
  color: var(--text-body);
}

.cta-lead li::before {
  content: "·";
  font-size: 26px;
  color: var(--accent);
  margin-top: -4px;
}

.contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 14px;
  color: var(--text-weak);
}

.contact-line strong {
  color: var(--text-body);
  font-weight: 600;
}

.lead-form {
  padding: 32px 34px 20px;
  background: #fff;
  border-left: 1px solid #EAF0F5;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 16px;
  margin-bottom: 14px;
}

.form-col.full {
  grid-column: 1 / -1;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid #D4E1EA;
  background: #FBFDFE;
  color: var(--text-heading);
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.field textarea {
  resize: vertical;
  min-height: 94px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #A9BAC7;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(45, 139, 198, .12);
}

.form-submit-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

.form-submit-row .btn {
  width: 100%;
}

.privacy-note {
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
  text-align: center;
}

/* ========== Footer ========== */
.site-footer {
  background: #25343D;
  color: #C5D2DC;
  padding-top: 64px;
}

.site-footer .container {
  max-width: 1200px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr .8fr .8fr 1fr;
  gap: 48px 40px;
  padding-bottom: 52px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand .brand-mark {
  background: linear-gradient(135deg, #3B99D0, #5DACD9);
  box-shadow: none;
}

.footer-brand .brand-name {
  color: #fff;
  font-size: 19px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.9;
  color: #9FB4C1;
  max-width: 330px;
  margin-bottom: 10px;
}

.footer-brand-tag {
  font-size: 13px;
  color: var(--muted);
}

.footer-col-title {
  color: #DDE7ED;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a,
.footer-contact span {
  font-size: 14px;
  color: #9FB4C1;
  transition: color .2s;
}

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

.footer-contact {
  display: grid;
  gap: 8px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 18px 0 22px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 13px;
  color: #84A0AF;
}

.footer-bottom a {
  color: #a8d5ef;
}

/* ========== 响应式 ========== */
@media (max-width: 1100px) {
  .hero-grid {
    gap: 32px;
  }

  .section-head--split {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .section-desc {
    max-width: 600px;
  }

  .split-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .proof-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .process-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .process-grid .step-card:nth-child(4),
  .process-grid .step-card:nth-child(5) {
    grid-column: span 1;
  }

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

@media (max-width: 991px) {
  .content-section {
    padding: 60px 0;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    margin: 0;
    background: rgba(255, 255, 255, .98);
    box-shadow: 0 18px 36px rgba(45, 91, 120, .1);
    border-top: 1px solid var(--line);
    padding: 18px 24px 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 0px;
    max-height: calc(100vh - 76px);
    overflow-y: auto;
  }

  .main-nav.is-open {
    display: flex;
  }

  .nav-pages {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-pages .nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 13px 2px;
    font-size: 17px;
    border-bottom: 1px solid #EEF3F7;
  }

  .nav-pages .nav-link::after {
    display: none;
  }

  .nav-pages .nav-link.is-active {
    color: var(--brand-dark);
  }

  .mega-wrap {
    display: block;
  }

  .mega-trigger {
    width: 100%;
    justify-content: space-between;
  }

  .mega-panel {
    position: static;
    width: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: 0;
    box-shadow: none;
    pointer-events: auto;
    display: none;
    border-radius: 0;
  }

  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel {
    opacity: 1;
    visibility: visible;
  }

  .mega-wrap.is-open .mega-panel {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

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

  .mega-links {
    border-right: 0;
    border-bottom: 1px solid #EDF2F6;
  }

  .mega-links > a {
    padding: 10px 0;
  }

  .mega-visual {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .main-nav.is-open .header-cta {
    display: flex;
    margin-top: 18px;
    width: 100%;
    min-height: 46px;
  }

  .cta-card {
    grid-template-columns: 1fr;
  }

  .lead-form {
    border-left: 0;
    border-top: 1px solid #EAF0F5;
  }
}

@media (max-width: 760px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 100%;
  }

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

  .split-media img {
    aspect-ratio: 16 / 10;
    min-height: 0;
  }

  .service-media img {
    min-height: 0;
  }

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

  .faq-q {
    padding: 18px;
    font-size: 15px;
  }

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

  .form-col.full {
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }

  .header-inner {
    height: 68px;
  }

  .main-nav {
    top: 68px;
  }

  .category-hero {
    padding: 44px 0 48px;
  }

  .category-hero .hero-decor {
    opacity: .12;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

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

  .btn + .btn {
    margin-left: 0;
  }

  .content-section {
    padding: 48px 0;
  }

  .section-head {
    margin-bottom: 30px;
  }

  .split-features {
    grid-template-columns: 1fr;
  }

  .proof-grid {
    gap: 28px;
  }

  .check-card {
    padding: 20px 18px 12px;
  }

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

  .step-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
  }

  .step-num {
    flex: 0 0 auto;
    margin-bottom: 0;
  }

  .step-card h3 {
    margin-bottom: 2px;
  }

  .step-card p {
    font-size: 13px;
  }

  .cta-section {
    padding: 48px 0;
  }

  .cta-lead,
  .lead-form {
    padding: 28px 20px;
  }

  .lead-form {
    padding-bottom: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: left;
  }
}

/* roulang page: category2 */
:root {
  --primary: #2D8BC6;
  --primary-deep: #1B6FA0;
  --primary-soft: #EAF3F9;
  --primary-pale: #F5F9FC;
  --accent: #F5A25D;
  --heading: #1F3A4A;
  --body: #425563;
  --muted: #6D7E89;
  --soft: #94A3B8;
  --border: #DFE8EF;
  --bg: #FAFCFE;
  --card: #FFFFFF;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-sm: 6px;
  --shadow: 0 4px 16px rgba(45,91,120,.08);
  --shadow-md: 0 10px 28px rgba(45,91,120,.12);
  --space: 96px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background: var(--bg);
  color: var(--body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul, figure {
  margin: 0;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
}
button, input, select, textarea {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  border: none;
  background: none;
}
::placeholder {
  color: #A3B1BC;
}
:focus {
  outline: none;
}
:focus-visible {
  outline: 2px solid rgba(45,139,198,.55);
  outline-offset: 2px;
  border-radius: 4px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--space) 0;
}
.section-soft {
  background: linear-gradient(180deg, #F2F7FA, #FAFCFE);
}

/* ---------- Header Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s;
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 8px 24px rgba(45,91,120,.06);
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #2D8BC6, #6FC3E8);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(45,139,198,.28);
}
.brand-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: .01em;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}
.nav-pages {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 9px 14px;
  font-size: 16px;
  font-weight: 500;
  color: var(--heading);
  border-radius: 999px;
  transition: background .2s, color .2s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 5px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(.3);
  transition: transform .28s ease, opacity .2s;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after,
.nav-link.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}
.nav-link.is-active {
  color: var(--primary);
  background: rgba(45,139,198,.08);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  border-radius: 10px;
  transition: background .2s;
}
.nav-toggle:hover {
  background: var(--primary-soft);
}
.nav-toggle > span,
.nav-toggle > span::before,
.nav-toggle > span::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--heading);
  border-radius: 3px;
  position: absolute;
  left: 11px;
  transition: transform .3s ease, background .2s ease, top .2s ease;
}
.nav-toggle > span {
  top: 50%;
  margin-top: -1px;
}
.nav-toggle > span::before {
  top: -7px;
}
.nav-toggle > span::after {
  top: 7px;
}
.nav-toggle.is-open > span {
  background: transparent;
}
.nav-toggle.is-open > span::before {
  top: 0;
  transform: rotate(45deg);
}
.nav-toggle.is-open > span::after {
  top: 0;
  transform: rotate(-45deg);
}

.mega-wrap {
  position: relative;
}
.mega-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 680px;
  max-width: calc(100vw - 48px);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 22px 44px rgba(45,91,120,.13);
  padding: 22px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.is-open .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 22px;
}
.mega-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mega-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--soft);
  padding: 0 12px 8px;
  text-transform: uppercase;
}
.mega-links > a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 12px;
  transition: background .2s;
}
.mega-links > a:hover {
  background: var(--primary-pale);
}
.mega-links > a strong {
  font-size: 15px;
  color: var(--heading);
  font-weight: 600;
}
.mega-links > a span {
  font-size: 13px;
  color: var(--muted);
  font-weight: 400;
}
.mega-visual {
  background: var(--primary-soft);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.mega-visual img {
  width: 100%;
  height: 128px;
  object-fit: cover;
}
.mega-visual-content {
  padding: 16px 18px 18px;
}
.mega-visual-content strong {
  display: block;
  font-size: 15px;
  color: var(--heading);
  margin-bottom: 6px;
}
.mega-visual-content p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 10px;
}
.mega-visual-content a {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 6px 14px rgba(45,139,198,.22);
  transition: background .2s, transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.header-cta:hover {
  background: var(--primary-deep);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(45,139,198,.28);
}

/* ---------- Buttons & Tags ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 26px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: background .2s, border-color .2s, color .2s, transform .2s, box-shadow .2s;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(45,139,198,.22);
}
.btn-primary:hover {
  background: var(--primary-deep);
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(45,139,198,.28);
}
.btn-outline {
  background: #fff;
  border: 1px solid #CFE0EA;
  color: var(--heading);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(45,139,198,.09);
  color: #266B97;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
}

/* ---------- Hero Cat ---------- */
.cat-hero {
  padding: 72px 0 76px;
  background:
    linear-gradient(120deg, rgba(245,250,253,.98) 0%, rgba(238,246,251,.92) 58%, rgba(255,255,255,.92) 100%),
    url("/assets/images/backpic/back-1.png") no-repeat right center / cover;
  border-bottom: 1px solid #E7EEF4;
}
.cat-hero__inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 52px;
  align-items: center;
}
.hero-title {
  font-size: 42px;
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--heading);
  font-weight: 700;
  margin-bottom: 18px;
}
.hero-title em {
  font-style: normal;
  color: var(--primary);
}
.hero-lead {
  font-size: 17px;
  line-height: 1.9;
  color: #546A77;
  max-width: 650px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.cat-hero__card {
  background: rgba(255,255,255,.9);
  border: 1px solid #E2ECF3;
  border-radius: 18px;
  padding: 26px 28px;
  box-shadow: var(--shadow-md);
}
.cat-hero__card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 16px;
}
.hero-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hero-check li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: #405765;
  line-height: 1.6;
}
.hero-check li::before {
  content: "✓";
  margin-top: 2px;
  color: var(--primary);
  font-weight: 800;
  background: rgba(45,139,198,.09);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  font-size: 13px;
}
.cat-hero__card-note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--soft);
  line-height: 1.7;
  border-top: 1px dashed #D9E6EE;
  padding-top: 14px;
}

/* ---------- Section Head ---------- */
.section-head {
  max-width: 800px;
  margin-bottom: 48px;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--primary);
  background: rgba(45,139,198,.08);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 18px;
}
.section-title {
  font-size: 32px;
  line-height: 1.4;
  color: var(--heading);
  font-weight: 700;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- Value Split ---------- */
.split-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 60px;
  align-items: center;
}
.split-media {
  position: relative;
}
.split-media > img {
  width: 100%;
  aspect-ratio: 4 / 3.1;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}
.media-float {
  position: absolute;
  left: 22px;
  bottom: -18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-md);
  font-size: 13px;
  font-weight: 500;
  color: var(--heading);
}
.media-float::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #41B68A;
  box-shadow: 0 0 0 4px rgba(65,182,138,.16);
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  box-shadow: var(--shadow);
  transition: box-shadow .25s, transform .25s;
}
.feature-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.feature-icon {
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 16px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.feature-item strong {
  display: block;
  font-size: 17px;
  color: var(--heading);
  margin-bottom: 6px;
}
.feature-item p {
  font-size: 15px;
  line-height: 1.8;
  color: #526976;
}

/* ---------- Process ---------- */
.process-list {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  padding-left: 0;
}
.process-list::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 30px;
  bottom: 30px;
  width: 2px;
  background: #D7E7F1;
  border-radius: 2px;
}
.process-item {
  position: relative;
  padding-left: 86px;
  margin-bottom: 24px;
}
.process-no {
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #CFE4F0;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(45,139,198,.09);
}
.process-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px 30px;
  box-shadow: var(--shadow);
  transition: background .25s, border-color .25s, box-shadow .25s;
}
.process-card:hover {
  border-color: #C6DCEB;
  box-shadow: var(--shadow-md);
}
.process-card h3 {
  font-size: 19px;
  color: var(--heading);
  margin-bottom: 10px;
}
.process-card p {
  font-size: 15px;
  line-height: 1.9;
  color: #526976;
}

/* ---------- Proof / Visual ---------- */
.proof-section {
  background:
    linear-gradient(rgba(245,249,251,.95), rgba(250,252,254,.97)),
    url("/assets/images/backpic/back-2.webp") no-repeat center / cover;
}
.proof-card {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  border-radius: 22px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-md);
}
.proof-card > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 340px;
}
.proof-body {
  padding: 44px 44px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.proof-body h3 {
  font-size: 24px;
  color: var(--heading);
  margin-bottom: 14px;
  line-height: 1.45;
}
.proof-body > p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 20px;
}
.proof-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.proof-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  color: #415B6A;
}
.proof-list li::before {
  content: "";
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 6px;
  border-radius: 50%;
  background: rgba(45,139,198,.12);
  box-shadow: inset 0 0 0 4px var(--primary);
}

/* ---------- Delivery ---------- */
.delivery-grid {
  display: grid;
  grid-template-columns: 1fr .8fr;
  gap: 36px;
  align-items: start;
}
.delivery-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.delivery-card {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 12px;
  padding: 18px 20px;
  min-height: 92px;
  box-shadow: var(--shadow);
  transition: box-shadow .25s, transform .25s;
}
.delivery-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.delivery-card strong {
  display: block;
  font-size: 16px;
  color: var(--heading);
  margin-bottom: 5px;
}
.delivery-card span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.delivery-note {
  background: linear-gradient(145deg, #1F3A4A, #2B5468);
  color: #DCECF5;
  border-radius: 20px;
  padding: 34px 32px;
  box-shadow: var(--shadow-md);
}
.delivery-note h3 {
  font-size: 20px;
  color: #fff;
  margin-bottom: 14px;
}
.delivery-note ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.delivery-note li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: #D3E4EE;
}
.delivery-note li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .85em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.delivery-note a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #A8D5EF;
  font-weight: 600;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.faq-item.is-open {
  border-color: #BFD9E9;
  box-shadow: var(--shadow);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-size: 17px;
  font-weight: 500;
  color: var(--heading);
  transition: background .2s;
}
.faq-q:hover {
  background: var(--primary-pale);
}
.faq-icon {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  position: relative;
  transition: transform .3s ease, background .2s;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 2px;
}
.faq-icon::before {
  width: 12px;
  height: 2px;
  left: 9px;
  top: 14px;
}
.faq-icon::after {
  width: 2px;
  height: 12px;
  left: 14px;
  top: 9px;
  transition: transform .2s;
}
.faq-item.is-open .faq-icon {
  background: var(--primary);
  color: #fff;
}
.faq-item.is-open .faq-icon::after {
  transform: scaleY(0);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  font-size: 15px;
  line-height: 1.9;
  color: #526976;
  opacity: 0;
  visibility: hidden;
  transition: max-height .35s ease, opacity .25s ease, padding .25s ease, visibility .25s;
}
.faq-item.is-open .faq-a {
  max-height: 600px;
  opacity: 1;
  visibility: visible;
  padding: 0 24px 24px;
}

/* ---------- CTA / Contact ---------- */
.consult-section {
  padding: 92px 0;
  background:
    linear-gradient(90deg, rgba(239,247,251,.97), rgba(250,252,254,.94)),
    url("/assets/images/backpic/back-3.webp") no-repeat left center / cover;
}
.consult-grid {
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  gap: 60px;
  align-items: center;
}
.consult-info .section-title {
  font-size: 34px;
}
.consult-points {
  list-style: none;
  padding: 0;
  margin: 16px 0 26px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.consult-points li {
  font-size: 14px;
  color: #45606F;
  display: flex;
  align-items: center;
  gap: 8px;
}
.consult-points li::before {
  content: "✓";
  color: var(--primary);
  font-weight: 800;
}
.consult-form-wrap {
  background: #fff;
  border: 1px solid #E1EBF2;
  border-radius: 22px;
  padding: 34px 36px;
  box-shadow: var(--shadow-md);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--heading);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid #D7E3EB;
  border-radius: 10px;
  background: #fff;
  padding: 11px 14px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--body);
  transition: border-color .2s, box-shadow .2s;
}
.form-group textarea {
  min-height: 110px;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(45,139,198,.12);
}
.form-full {
  grid-column: 1 / -1;
}
.form-submit {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.form-submit .btn {
  min-width: 150px;
}
.form-feedback {
  display: none;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: #ECF8F2;
  color: #207A50;
  font-size: 14px;
  line-height: 1.7;
}
.form-feedback.is-visible {
  display: block;
}
.privacy-note {
  font-size: 12px;
  color: var(--soft);
  line-height: 1.7;
  margin-top: 16px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #193E4F;
  color: #B7CFDD;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr .9fr .9fr 1.3fr;
  gap: 44px;
  padding: 68px 0 48px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .brand-name {
  color: #fff;
  font-size: 22px;
}
.footer-desc {
  font-size: 14px;
  line-height: 2;
  color: #A9C6D6;
}
.footer-col-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-links a {
  display: block;
  padding: 4px 0;
  font-size: 15px;
  color: #A9C6D6;
  transition: color .2s, transform .2s;
}
.footer-links a:hover {
  color: #fff;
  transform: translateX(3px);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: #A9C6D6;
}
.footer-contact a {
  color: #A8D5EF;
  font-weight: 500;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 22px 0;
  font-size: 13px;
  color: #78A2B8;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .mega-panel {
    right: -60px;
    width: 640px;
  }
}
@media (max-width: 991px) {
  :root {
    --space: 72px;
  }
  .nav-toggle {
    display: block;
  }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 24px;
    height: 0;
    overflow: hidden;
    border-bottom: 1px solid transparent;
    transition: height .3s ease, padding .3s ease, border-color .25s;
  }
  .main-nav.open {
    height: auto;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    padding: 10px 24px 22px;
    border-bottom-color: var(--border);
    box-shadow: 0 24px 40px rgba(45,91,120,.08);
  }
  .nav-pages {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .nav-link {
    width: 100%;
    justify-content: space-between;
    border-radius: 10px;
  }
  .nav-link::after {
    display: none;
  }
  .mega-panel {
    position: static;
    width: 100%;
    max-width: 100%;
    box-shadow: none;
    border: 0;
    border-left: 2px solid var(--primary-soft);
    border-radius: 8px;
    transform: none;
    background: #F7FAFC;
    padding: 12px 16px;
    margin-bottom: 6px;
    visibility: hidden;
  }
  .mega-wrap.is-open .mega-panel {
    visibility: visible;
  }
  .mega-grid {
    grid-template-columns: 1fr;
  }
  .mega-visual {
    display: none;
  }
  .header-cta {
    margin-top: 8px;
    height: 44px;
    justify-content: center;
  }

  .cat-hero__inner,
  .split-grid,
  .consult-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .cat-hero {
    padding: 54px 0 60px;
  }
  .delivery-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}
@media (max-width: 767px) {
  .container {
    padding: 0 18px;
  }
  .section {
    padding: 58px 0;
  }
  .hero-title {
    font-size: 34px;
  }
  .section-title {
    font-size: 25px;
  }
  .proof-card {
    grid-template-columns: 1fr;
  }
  .proof-card > img {
    min-height: 220px;
    max-height: 340px;
  }
  .proof-body {
    padding: 28px 24px;
  }
  .delivery-cards {
    grid-template-columns: 1fr;
  }
  .category-hero .hero-actions .btn {
    width: 100%;
  }
  .consult-form-wrap {
    padding: 26px 20px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-full {
    grid-column: auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 50px;
  }
  .footer-bottom {
    flex-direction: column;
  }
}
@media (max-width: 600px) {
  .brand-name {
    font-size: 17px;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }
  .mega-panel {
    max-width: 100%;
  }
  .hero-title {
    font-size: 29px;
    line-height: 1.4;
  }
  .hero-lead {
    font-size: 15px;
  }
  .consult-points {
    grid-template-columns: 1fr;
  }
  .process-list::before {
    left: 17px;
  }
  .process-item {
    padding-left: 62px;
  }
  .process-no {
    width: 36px;
    height: 36px;
    font-size: 13px;
  }
  .process-card {
    padding: 18px 18px;
  }
  .form-submit {
    align-items: stretch;
  }
  .form-submit .btn {
    width: 100%;
  }
}