/* 全局重置与基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans KR', sans-serif;
  background-color: #FFFFFF;
  color: #4B5563;
  line-height: 1.65;
  scroll-behavior: smooth;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* 跳过链接 */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #10B981;
  color: white;
  padding: 8px 16px;
  z-index: 1000;
  text-decoration: none;
  border-radius: 4px;
}

.skip-link:focus {
  top: 0;
}

/* 顶部栏 */
.topbar {
  background-color: #10B981;
  color: white;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.15);
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.brand__mark img {
  height: 40px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.brand__title {
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.brand__subtitle {
  font-weight: 300;
  font-size: 0.9rem;
  opacity: 0.9;
}

.topnav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.topnav a {
  color: white;
  text-decoration: none;
  font-weight: 400;
  transition: all 0.3s;
  position: relative;
}

.topnav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #FBBF24;
  transition: width 0.3s;
}

.topnav a:hover::after {
  width: 100%;
}

/* 按钮样式 - 简约高级 */
.btn {
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
  font-size: 1rem;
  box-shadow: 0 3px 6px rgba(16, 185, 129, 0.1);
}

.btn--sm {
  padding: 8px 16px;
  font-size: 0.9rem;
  box-shadow: 0 2px 4px rgba(16, 185, 129, 0.1);
}

.btn--block {
  display: block;
  width: 100%;
}

.btn--primary {
  background-color: #10B981;
  color: white;
}

.btn--primary:hover {
  background-color: #059669;
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgba(16, 185, 129, 0.2);
}

.btn--secondary {
  background-color: #F9FAFB;
  color: #10B981;
  border: 1px solid #E5E7EB;
}

.btn--secondary:hover {
  background-color: #F3F4F6;
  border-color: #D1D5DB;
  transform: translateY(-2px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.05);
}

.btn--ghost {
  background-color: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: none;
}

.btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: white;
}

.icon-btn {
  background-color: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: #4B5563;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.icon-btn:hover {
  background-color: #F9FAFB;
  color: #10B981;
}

/* 英雄区块 - 干净通透 */
.hero {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: radial-gradient(circle at center, #F9FAFB 0%, transparent 70%);
  z-index: -1;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #F9FAFB;
  color: #FBBF24;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.95rem;
  margin-bottom: 20px;
  font-weight: 500;
  box-shadow: 0 2px 6px rgba(251, 191, 36, 0.1);
}

.hero__title {
  font-size: 2.8rem;
  font-weight: 800;
  color: #1F2937;
  margin-bottom: 20px;
  line-height: 1.3;
  letter-spacing: -0.5px;
}

.accent {
  color: #10B981;
  position: relative;
}

.accent::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: #FBBF24;
  border-radius: 2px;
  z-index: -1;
}

.hero__desc {
  font-size: 1.15rem;
  margin-bottom: 36px;
  opacity: 0.9;
  line-height: 1.7;
}

.hero__highlights {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.hl {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background-color: #F9FAFB;
  padding: 16px;
  border-radius: 10px;
  border-left: 4px solid #10B981;
  transition: all 0.3s;
}

.hl:hover {
  transform: translateX(5px);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.hl i {
  color: #10B981;
  font-size: 1.4rem;
  margin-top: 4px;
}

.hl__t {
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.hl__d {
  opacity: 0.85;
  font-size: 0.95rem;
}

.hero__cta {
  display: flex;
  gap: 20px;
  margin-bottom: 36px;
}

.trust {
  display: flex;
  gap: 28px;
  font-size: 0.95rem;
  opacity: 0.85;
  flex-wrap: wrap;
}

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

.trust__item i {
  color: #10B981;
}

.hero__panel {
  display: flex;
  justify-content: center;
}

.panel {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  width: 100%;
  max-width: 420px;
  transition: all 0.3s;
  border-top: 3px solid #10B981;
}

.panel:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.panel__media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid #E5E7EB;
}

.panel--soft {
  background-color: #F9FAFB;
  box-shadow: none;
  border: 1px solid #E5E7EB;
  border-top: 3px solid #10B981;
}

.panel__top {
  padding: 24px;
  border-bottom: 1px solid #E5E7EB;
}

.panel__kicker {
  font-size: 0.95rem;
  color: #10B981;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.panel__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1F2937;
  line-height: 1.4;
}

.panel__body {
  padding: 24px;
}

.metric {
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #E5E7EB;
}

.metric:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.metric__k {
  font-weight: 500;
  opacity: 0.85;
}

.metric__v {
  text-align: right;
  font-weight: 500;
  color: #10B981;
}

.divider {
  height: 1px;
  background-color: #E5E7EB;
  margin: 20px 0;
}

.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 400;
}

.checklist i {
  color: #10B981;
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.bullet {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bullet li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
}

.bullet i {
  color: #10B981;
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

.panel__bottom {
  padding: 24px;
  border-top: 1px solid #E5E7EB;
}

/* 通用区块 */
.section {
  padding: 80px 0;
  position: relative;
}

.section--alt {
  background-color: #F9FAFB;
}

.section__head {
  text-align: center;
  margin-bottom: 56px;
}

.section__title {
  font-size: 2.2rem;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 20px;
  display: inline-block;
  position: relative;
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #10B981;
  border-radius: 3px;
}

.section__desc {
  font-size: 1.15rem;
  max-width: 800px;
  margin: 0 auto;
  opacity: 0.9;
  line-height: 1.7;
}

/* 卡片布局 - 精致简约 */
.cards {
  display: grid;
  gap: 30px;
}

.cards--3 {
  grid-template-columns: repeat(3, 1fr);
}

.cards--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background-color: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.04);
  transition: all 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.08);
}

.card--compact {
  padding: 24px;
  text-align: center;
}

.card__icon {
  font-size: 2.5rem;
  color: #10B981;
  margin-bottom: 20px;
  text-align: center;
  transition: color 0.3s;
}

.card:hover .card__icon {
  color: #FBBF24;
}

.card__title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 16px;
  text-align: center;
  line-height: 1.4;
}

.card__text {
  opacity: 0.85;
  text-align: center;
  font-size: 1.05rem;
  line-height: 1.6;
}

/* 步骤布局 */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background-color: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s;
}

.step:hover {
  transform: translateX(8px);
}

.step__num {
  font-size: 2rem;
  font-weight: 800;
  color: #10B981;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #F9FAFB;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 3px 8px rgba(16, 185, 129, 0.1);
}

.step__title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 10px;
}

.step__text {
  opacity: 0.85;
  font-size: 1.05rem;
  line-height: 1.6;
}

.note {
  background-color: #F9FAFB;
  border-left: 4px solid #10B981;
  padding: 16px 20px;
  margin-top: 20px;
  font-size: 1rem;
  border-radius: 0 8px 8px 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

/* CTA条 - 醒目不浮夸 */
.cta-strip {
  background-color: #10B981;
  color: white;
  border-radius: 16px;
  padding: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 60px;
  box-shadow: 0 5px 15px rgba(16, 185, 129, 0.15);
}

.cta-strip__title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.cta-strip__desc {
  opacity: 0.9;
  font-size: 1.1rem;
}

.cta-strip .btn--primary {
  background-color: white;
  color: #10B981;
  font-weight: 600;
  box-shadow: 0 3px 8px rgba(255, 255, 255, 0.2);
}

.cta-strip .btn--primary:hover {
  background-color: #F9FAFB;
  color: #059669;
}

/* 页脚 - 沉稳大气 */
.footer {
  background-color: #1F2937;
  color: white;
  padding: 60px 0 30px;
  margin-top: 80px;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: #10B981;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.footer__brand {
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: #F9FAFB;
}

.footer__sub {
  opacity: 0.7;
  font-size: 0.95rem;
  max-width: 300px;
  line-height: 1.6;
}

.footer__right {
  display: flex;
  gap: 30px;
}

.footer__link {
  background-color: transparent;
  border: none;
  color: white;
  cursor: pointer;
  font-family: 'Noto Sans KR', sans-serif;
  opacity: 0.7;
  transition: all 0.3s;
  font-size: 1rem;
  position: relative;
}

.footer__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #FBBF24;
  transition: width 0.3s;
}

.footer__link:hover {
  opacity: 1;
}

.footer__link:hover::after {
  width: 100%;
}

/* 粘性CTA */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #10B981;
  color: white;
  padding: 16px 0;
  z-index: 998;
  box-shadow: 0 -3px 12px rgba(16, 185, 129, 0.15);
}

.sticky-cta__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background-color: transparent;
  border: none;
  color: white;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 1.1rem;
  cursor: pointer;
  width: 100%;
  font-weight: 500;
}

.sticky-cta__icon img {
  height: 28px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.sticky-cta__text {
  text-align: center;
}

.sticky-cta__sub {
  font-size: 0.9rem;
  opacity: 0.9;
}

.sticky-cta__arrow {
  font-size: 1.2rem;
  transition: transform 0.3s;
}

.sticky-cta__btn:hover .sticky-cta__arrow {
  transform: translateX(5px);
}

/* 模态框 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s, opacity 0.3s;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal[aria-hidden="false"] {
  visibility: visible;
  opacity: 1;
}

.modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  cursor: pointer;
}

.modal__panel {
  background-color: white;
  border-radius: 12px;
  width: 90%;
  max-width: 600px;
  position: relative;
  z-index: 1;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(20px);
  transition: transform 0.3s;
}

.modal[aria-hidden="false"] .modal__panel {
  transform: translateY(0);
}

.modal__head {
  padding: 24px;
  border-bottom: 1px solid #E5E7EB;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal__title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1F2937;
}

.modal__body {
  padding: 24px;
  max-height: 70vh;
  overflow-y: auto;
}

.modal__p {
  margin-bottom: 20px;
  line-height: 1.7;
  font-size: 1.05rem;
}

.modal__list {
  list-style: disc;
  margin-left: 24px;
  margin-bottom: 20px;
  line-height: 1.7;
  font-size: 1.05rem;
}

.modal__olist {
  list-style: decimal;
  margin-left: 24px;
  margin-bottom: 20px;
  line-height: 1.7;
  font-size: 1.05rem;
}

.modal__callout {
  background-color: #F9FAFB;
  border-radius: 8px;
  padding: 20px;
  margin: 20px 0;
  border-left: 4px solid #10B981;
}

.modal__callout-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: #10B981;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.modal__callout-text {
  font-size: 1rem;
  opacity: 0.9;
  line-height: 1.6;
}

.modal__foot {
  padding: 24px;
  border-top: 1px solid #E5E7EB;
  text-align: right;
}

/* 响应式适配 */
@media (max-width: 992px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .cards--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .cards--4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .topnav {
    display: none;
  }

  .cta-strip {
    flex-direction: column;
    gap: 20px;
    text-align: center;
    padding: 24px;
  }

  .footer__inner {
    flex-direction: column;
    gap: 30px;
    text-align: center;
  }

  .hero__title {
    font-size: 2.2rem;
  }

  .section {
    padding: 60px 0;
  }

  .cards--3, .cards--4 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 60px 0;
  }

  .step {
    padding: 20px;
  }
}