/* ==============================================
   科研成果信息登记管理系统 - 启扉之门
   Design Token: Primary Blue #0f52ba
   ============================================== */

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  color: #111827;
  background: #fff;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

/* ---- CSS Variables ---- */
:root {
  --primary: #0f52ba;
  --primary-light: #bee8fe;
  --black: #111827;
  --gray-dark: #575757;
  --gray: #6b7280;
  --gray-light: #9ca3af;
  --gray-muted: #94a3b8;
  --border: #f3f4f6;
  --border-light: #e5e7eb;
  --bg-light: rgba(249, 250, 251, 0.7);
  --bg-gray: #f9fafb;
  --dark: #1e293b;
  --nav-height: 62px;
}

/* ---- Utility Classes ---- */
.text-primary { color: var(--primary); font-weight: 700; }
.text-white { color: #fff; }
.text-gray { color: var(--gray-light); }
.text-dark-gray { color: var(--gray-dark); }

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

/* ==============================================
   Navigation
   ============================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s ease;
}

.nav.scrolled {
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}

.nav__logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav__logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav__logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #000;
  letter-spacing: -1px;
  white-space: nowrap;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 40px;
  flex: 1;
  justify-content: center;
}

.nav__link {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray);
  white-space: nowrap;
  transition: color 0.2s ease;
}

.nav__link:hover {
  color: var(--primary);
}

.nav__link--active {
  font-weight: 500;
  color: #000;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
}

.nav__btn-login {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray);
  transition: color 0.2s ease;
}

.nav__btn-login:hover {
  color: var(--primary);
}

.nav__btn-register {
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 9999px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav__btn-register:hover {
  background: #0a40a0;
  transform: translateY(-1px);
}

/* ===== 已登录导航 ===== */
.nav--loggedin .nav__actions {
  display: none;
}

.nav__user-area {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
  position: relative;
}

.nav__user {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.nav__user-name {
  font-size: 13px;
  font-weight: 500;
  color: #191c1e;
  white-space: nowrap;
}

.nav__user-arrow {
  width: 8px;
  height: auto;
}

.nav__user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 80px;
  min-width: 140px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  padding: 6px 0;
  z-index: 200;
}

.nav__user-dropdown--open {
  display: block;
}

.nav__user-dropdown-item {
  display: block;
  padding: 10px 16px;
  font-size: 13px;
  color: #434653;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav__user-dropdown-item:hover {
  background: #f3f4f6;
  color: var(--primary);
}

.nav__divider {
  width: 1px;
  height: 16px;
  background: #e5e7eb;
}

.nav__logout {
  font-size: 13px;
  font-weight: 300;
  color: #434653;
  cursor: pointer;
  text-decoration: none;
  background: none;
  border: none;
  font-family: 'Noto Sans SC', sans-serif;
  white-space: nowrap;
}

.nav__logout:hover {
  color: #0f52ba;
}

.nav__mobile-user {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: #191c1e;
  padding: 8px 0;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #111;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav__mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
  background: #fff;
}

.nav__mobile-link {
  font-size: 15px;
  font-weight: 400;
  color: var(--gray);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s ease;
}

.nav__mobile-link:last-child {
  border-bottom: none;
}

.nav__mobile-link:hover,
.nav__mobile-link.nav__link--active {
  color: var(--primary);
  font-weight: 500;
}

.nav__mobile-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

/* ==============================================
   Hero Section
   ============================================== */
.hero {
  position: relative;
  padding: 254px 24px 192px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #000;
  min-height: 680px;
}

.hero-swiper {
  padding: 0;
  display: block;
}

.hero-swiper__main {
  width: 100%;
  min-height: 680px;
}

.hero-swiper__slide {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 254px 24px 192px;
  min-height: 680px;
  box-sizing: border-box;
  overflow: hidden;
  background: #000;
}

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

.hero-swiper__pagination {
  bottom: 32px !important;
  z-index: 2;
}

.hero-swiper .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: #fff;
  opacity: 0.45;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.hero-swiper .swiper-pagination-bullet-active {
  opacity: 1;
  transform: scale(1.15);
}

.hero-swiper__prev,
.hero-swiper__next {
  color: #fff;
  z-index: 2;
}

.hero-swiper__prev::after,
.hero-swiper__next::after {
  font-size: 28px;
}

.hero-swiper--single .hero-swiper__pagination,
.hero-swiper--single .hero-swiper__prev,
.hero-swiper--single .hero-swiper__next {
  display: none;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

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

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 31px;
  text-align: center;
}

.hero__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -1.2px;
}

.hero__subtitle {
  font-size: 20px;
  font-weight: 300;
  color: #fff;
  line-height: 1.625;
  max-width: 680px;
}
.hero__subtitle strong,
.hero__subtitle b {
  font-weight: 600;
  /* color: #FFD700; */
}

.hero__buttons {
  display: flex;
  gap: 16px;
  padding-top: 17px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  padding: 14px 40px;
}

.btn--primary:hover {
  background: #0a40a0;
  transform: translateY(-1px);
}

.btn--outline {
  background: #fff;
  color: #000;
  border: 1px solid var(--border-light);
  padding: 15px 41px;
}

.btn--outline:hover {
  background: var(--bg-gray);
}

.btn--outline-blue {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 13px 33px;
  font-size: 14px;
  font-weight: 500;
}

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

.btn--pill {
  border-radius: 9999px;
}

.btn--pill-sm {
  border-radius: 9999px;
}

/* ==============================================
   Section Base Styles
   ============================================== */
.section {
  padding: 97px 24px;
}

.section--white {
  background: #fff;
}

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

.section--light-border {
  background: var(--bg-light);
  border-top: 1px solid var(--bg-gray);
  border-bottom: 1px solid var(--bg-gray);
}

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

.section--report {
  padding: 192px 24px;
}

.section__header {
  text-align: center;
  margin-bottom: 64px;
}

.section__header--mt {
  margin-top: 64px;
}

.section__title {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.75px;
  line-height: 1.2;
}

.section__subtitle-en {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-light);
  letter-spacing: 2.6px;
  text-transform: uppercase;
  margin-top: 7.5px;
}

.section__desc {
  font-size: 15px;
  font-weight: 300;
  color: var(--gray);
  margin-top: 15px;
}

/* ==============================================
   Trust / Partners Grid
   ============================================== */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 64px;
  margin-bottom: 80px;
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.trust-item__icon-box {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 1px;
}

.trust-item__icon-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.trust-item__title {
  font-size: 20px;
  font-weight: 700;
  color: #000;
  letter-spacing: 0.35px;
  line-height: 1.05;
  margin-bottom: 8px;
}

.trust-item__desc {
  font-size: 16px;
  font-weight: 300;
  color: var(--gray-dark);
  line-height: 1.32;
}

/* Partner Logo Row */
.partner-logos {
  overflow: hidden;
  margin-top: 80px;
}

.partner-logos__track {
  display: flex;
  align-items: center;
  gap: 96px;
  padding: 32px 0;
  flex-wrap: wrap;
  justify-content: center;
}

.partner-logo {
  height: 96px;
  min-width: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-logo img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.partner-logo--bordered {
  width: 180px;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 12px;
  padding: 12px;
}

/* ==============================================
   Endorsement / 信息背书
   ============================================== */
.endorsement-grid {
  display: grid;
  grid-template-columns: 1fr 40%;
  gap: 48px;
  align-items: center;
  min-height: 400px;
}

.endorsement__image {
  position: relative;
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  height: 400px;
}

.endorsement__image-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 121.85%;
  object-fit: cover;
  object-position: center top;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.endorsement__image-slide--visible {
  opacity: 1;
}

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

.endorsement-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 24px 24px 28px;
  border-left: 4px solid transparent;
  border-radius: 0 12px 12px 0;
  cursor: pointer;
  transition: all 0.25s ease;
}

.endorsement-item--active {
  background: var(--bg-gray);
  border-left-color: var(--primary);
}

.endorsement-item:hover:not(.endorsement-item--active) {
  background: var(--bg-gray);
  border-left-color: rgba(15, 82, 186, 0.3);
}

.endorsement-item__icon {
  position: relative;
  width: 48px;
  height: 48px;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  flex-shrink: 0;
  overflow: hidden;
}

.endorsement-item__icon-img {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 24px;
  height: 24px;
  object-fit: contain;
  transition: opacity 0.3s ease;
}

.endorsement-item__icon-img--default {
  opacity: 1;
  z-index: 1;
}

.endorsement-item__icon-img--active {
  opacity: 0;
  filter: brightness(0) saturate(100%) invert(24%) sepia(67%) saturate(2878%) hue-rotate(205deg) brightness(94%) contrast(91%);
  z-index: 2;
}

.endorsement-item--active .endorsement-item__icon-img--default {
  opacity: 0;
}

.endorsement-item--active .endorsement-item__icon-img--active {
  opacity: 1;
}

.endorsement-item__text h4 {
  font-size: 18px;
  font-weight: 700;
  color: #000;
  line-height: 1.5;
}

.endorsement-item__text p {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray);
  line-height: 1.5;
}

/* ==============================================
   Value Cards / 核心价值
   ============================================== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.value-card {
  background: #fff;
  border: 1px solid var(--primary-light);
  border-radius: 12px;
  padding: 49px;
}

.value-card__icon {
  height: 24px;
  margin-bottom: 32px;
}

.value-card__icon img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.value-card__title {
  font-size: 20px;
  font-weight: 700;
  color: #000;
  margin-bottom: 12px;
  line-height: 1.4;
}

.value-card__desc {
  font-size: 16px;
  font-weight: 300;
  color: var(--gray-dark);
  line-height: 1.42;
}

/* ==============================================
   Audience Cards / 为谁而开
   ============================================== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.audience-card {
  background: #fff;
  border: 1px solid var(--primary-light);
  border-radius: 12px;
  padding: 41px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.audience-card:hover {
  box-shadow: 0 10px 30px rgba(15, 82, 186, 0.1);
  transform: translateY(-3px);
}

.audience-card__icon {
  height: 22px;
  margin-bottom: 32px;
}

.audience-card__icon img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.audience-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 16px;
  line-height: 1.2;
}

.audience-card__desc {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.32;
}

/* ==============================================
   Pricing / 企业套餐
   ============================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pricing-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 41px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: box-shadow 0.3s ease;
}

.pricing-card:hover {
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.pricing-card--featured {
  border-color: var(--primary);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
}

.pricing-card__name {
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
  line-height: 1.4;
}

.pricing-card__tag {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray-light);
  margin-bottom: 32px;
  line-height: 1.43;
}

.pricing-card__price {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 32px;
  line-height: 1.2;
}

.pricing-card__price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray-light);
}

.pricing-card__features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 15.5px;
  margin-bottom: 40px;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-card__features li img {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.pricing-card__features li span {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray);
}

.pricing-card__btn {
  display: block;
  text-align: center;
  padding: 12px 24px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--gray);
  transition: all 0.2s ease;
  margin-top: auto;
}

.pricing-card__btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pricing-card__btn--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pricing-card__btn--primary:hover {
  background: #0a40a0;
  color: #fff;
}

/* ==============================================
   Service List / 个人服务
   ============================================== */
.service-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.service-item {
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: box-shadow 0.2s ease;
}

.service-item:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.service-item__left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.service-item__icon-box {
  width: 48px;
  height: 48px;
  background: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 12px;
}

.service-item__icon-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.service-item__name {
  font-size: 16px;
  font-weight: 700;
  color: #000;
  line-height: 1.5;
}

.service-item__desc {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray-light);
  line-height: 1.5;
  margin-top: 2px;
}

.service-item__price {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.service-item__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.service-item__btn {
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.service-item__btn:hover {
  opacity: 0.92;
}

.service-item__btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button.pricing-card__btn {
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  font-family: inherit;
}

button.pricing-card__btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ==============================================
   Report Showcase / 门后的答案
   ============================================== */
.report-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-items: center;
  min-height: 500px;
}

.report__left {
  display: flex;
  flex-direction: column;
  gap: 31px;
}

.report__title {
  font-size: 48px;
  font-weight: 700;
  color: #000;
  line-height: 1.2;
  letter-spacing: -1.2px;
}

.report__desc {
  font-size: 18px;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.625;
  max-width: 448px;
}

.report__tabs {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.report__tab {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
}

.report__tab--active {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.report__tab-info {
  flex: 1;
  min-width: 0;
}

.report__tab-name {
  font-size: 20px;
  font-weight: 500;
  color: var(--gray);
  line-height: 1.2;
  transition: color 0.25s ease, font-weight 0.25s ease;
}

.report__tab--active .report__tab-name {
  color: var(--primary);
  font-weight: 700;
}

.report__tab-desc {
  font-size: 16px;
  font-weight: 400;
  color: var(--gray-light);
  line-height: 1.125;
  margin-top: 4px;
  transition: color 0.25s ease;
}

.report__tab--active .report__tab-desc {
  color: var(--gray-dark);
}

.report__tab-check {
  width: 0;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
  opacity: 0;
  transform: scale(0.75);
  transition: opacity 0.25s ease, transform 0.25s ease, width 0.25s ease;
  pointer-events: none;
  overflow: hidden;
}

.report__tab--active .report__tab-check {
  width: 20px;
  opacity: 1;
  transform: scale(1);
}

/* Right: Overlapping Images */
.report__right {
  position: relative;
  height: 500px;
}

.report__img-base {
  position: absolute;
  left: 0;
  right: 20%;
  top: 0;
}

.report__img-shadow {
  background: rgba(255,255,255,0);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
}

.report__img-shadow img {
  width: 100%;
  height: auto;
  display: block;
}

.report__img-overlay {
  position: absolute;
  bottom: 16px;
  left: 23%;
  right: -3%;
}

.report__img-shadow--deep {
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}

/* ==============================================
   Process Steps / 合作流程
   ============================================== */
.process__tagline {
  font-size: 20px;
  font-weight: 500;
  color: #000;
  text-align: center;
  margin-top: 8px;
  line-height: 1.4;
}

.process-steps {
  display: flex;
  align-items: stretch;
  gap: 28px;
  margin-top: 96px;
}

.process-step {
  flex: 1;
  background: #fff;
  border: 1px solid var(--primary-light);
  border-radius: 12px;
  padding: 41px 1px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  transition: box-shadow 0.3s ease;
}

.process-step:hover {
  box-shadow: 0 10px 25px rgba(15, 82, 186, 0.12);
}

.process-step__icon {
  width: 32px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-step__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.process-step__number {
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-dark);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding-top: 16px;
}

.process-step__title {
  font-size: 18px;
  font-weight: 700;
  color: #000;
  line-height: 1.5;
  padding-top: 8px;
}

.process-step__desc {
  font-size: 16px;
  font-weight: 300;
  color: var(--gray-dark);
  line-height: 1.32;
  padding: 0 16px;
  max-width: 270px;
}

.process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 19px;
}

.process-arrow img {
  width: 19px;
  height: 19px;
  object-fit: contain;
}

/* ==============================================
   Footer
   ============================================== */
.footer {
  background: #1a2333;
  padding: 80px 0 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.5fr) auto auto;
  gap: 80px;
  align-items: start;
  padding-bottom: 64px;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.footer__logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 6px;
}

.footer__logo span {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}

.footer__slogan {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-muted);
  line-height: 1.8;
  max-width: 380px;
}

.footer__nav,
.footer__contact {
  min-width: 0;
}

.footer__nav-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
}

.footer__nav-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__nav-links li a {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray-muted);
  line-height: 1.5;
  transition: color 0.2s ease;
}

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

.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__contact-list li {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-muted);
  line-height: 1.6;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copyright {
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-muted);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.footer__legal {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__legal a {
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-muted);
  letter-spacing: 0.3px;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.footer__legal a:hover {
  color: #fff;
}

/* ==============================================
   Responsive Design
   ============================================== */

/* Tablet: 1024px and below */
@media (max-width: 1024px) {
  .nav__links {
    gap: 20px;
  }

  .nav__link {
    font-size: 13px;
  }

  .hero__title {
    font-size: 38px;
  }

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

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

  .endorsement__image {
    height: 280px;
  }

  .value-grid {
    gap: 24px;
  }

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

  .pricing-grid {
    gap: 20px;
  }

  .report-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .report__right {
    height: 350px;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

/* Mobile: 768px and below */
@media (max-width: 768px) {
  :root {
    --nav-height: 58px;
  }

  .nav__links,
  .nav__actions {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav__mobile-menu.is-open {
    display: flex;
  }

  .hero {
    padding: 160px 24px 100px;
    min-height: auto;
  }

  .hero-swiper__slide {
    padding: 160px 24px 100px;
    min-height: auto;
  }

  .hero-swiper__main {
    min-height: auto;
  }

  .hero__title {
    font-size: 28px;
    letter-spacing: -0.5px;
  }

  .hero__subtitle {
    font-size: 16px;
  }

  .section {
    padding: 64px 24px;
  }

  .section--report {
    padding: 80px 24px;
  }

  .section__title {
    font-size: 24px;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .partner-logos__track {
    gap: 24px;
  }

  .partner-logo--bordered {
    width: 120px;
    height: 64px;
  }

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

  .endorsement__image {
    height: 220px;
  }

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

  .value-card {
    padding: 32px;
  }

  .audience-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 32px;
  }

  .audience-card {
    padding: 28px;
  }

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

  .process-steps {
    flex-direction: column;
    gap: 16px;
    margin-top: 48px;
  }

  .process-arrow {
    transform: rotate(90deg);
    width: 100%;
    justify-content: center;
  }

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

  .report__title {
    font-size: 28px;
    letter-spacing: -0.5px;
  }

  .report__desc {
    font-size: 15px;
  }

  .report__right {
    height: 280px;
  }

  .footer {
    padding: 64px 0 32px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 40px;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 24px;
  }

  .footer__legal {
    gap: 16px;
  }

  .service-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .service-item__price {
    align-self: flex-end;
  }
}

/* Small Mobile: 480px and below */
@media (max-width: 480px) {
  .hero__title {
    font-size: 22px;
  }

  .hero__buttons {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .btn--primary,
  .btn--outline {
    padding: 12px 32px;
    font-size: 14px;
  }

  .report__tab-name {
    font-size: 16px;
  }
}

/* Smooth transitions for all interactive elements */
.nav__link,
.endorsement-item,
.value-card,
.audience-card,
.pricing-card,
.service-item,
.process-step,
.report__tab,
.footer__legal a,
.footer__nav-links li a {
  transition: all 0.25s ease;
}

/* ==============================================
   全局动画工具类
   ============================================== */

/* 页面加载进场 */
@keyframes pageEntrance {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page-enter {
  animation: pageEntrance 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* 滚动淡入 - 基础 */
.anim-fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.anim-fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 滚动淡入 - 从左 */
.anim-fade-right {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.anim-fade-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* 滚动缩放淡入 */
.anim-scale-in {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.anim-scale-in.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* 旧版兼容 */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- 波纹点击效果 ---- */
.ripple-container {
  position: relative;
  overflow: hidden;
}

@keyframes rippleAnim {
  from { transform: scale(0); opacity: 0.35; }
  to   { transform: scale(4); opacity: 0; }
}

.ripple-wave {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  width: 60px;
  height: 60px;
  margin-top: -30px;
  margin-left: -30px;
  pointer-events: none;
  animation: rippleAnim 0.55s ease-out forwards;
}

/* ---- 顶部滚动进度条 ---- */
#scrollProgressBar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #0f52ba 0%, #60a5fa 100%);
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
  pointer-events: none;
}

/* ---- 浮动导航链接悬停下划线 ---- */
.nav__link {
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.25s ease;
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* ---- 卡片悬停上浮 ---- */
.card-hover {
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(15, 82, 186, 0.12);
}

/* ---- Hero 首屏动画（立即播放，无需 scroll 触发） ---- */
.hero__title.anim-fade-up,
.hero__subtitle.anim-fade-up,
.hero__buttons.anim-fade-up {
  opacity: 0;
  transform: translateY(32px);
  animation: heroFadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero__title.anim-fade-up    { animation-delay: 0.1s; }
.hero__subtitle.anim-fade-up { animation-delay: 0.25s; }
.hero__buttons.anim-fade-up  { animation-delay: 0.4s; }

@keyframes heroFadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ---- 数字计数器动画 ---- */
.count-up {
  display: inline-block;
  transition: none;
}

/* ---- 骨架屏/shimmer ---- */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.shimmer {
  background: linear-gradient(90deg, #f2f4f6 25%, #e5e7eb 50%, #f2f4f6 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s infinite;
}