/* roulang page: index */
:root {
  --c-primary: #0E9F87;
  --c-primary-dark: #0B6E62;
  --c-primary-light: #35C6A5;
  --c-accent: #F58A3C;
  --c-accent-dark: #D96C1F;
  --c-deep: #103F36;
  --c-paper: #F7F5EF;
  --c-card: #ffffff;
  --c-ink: #183832;
  --c-sub: #6A7A76;
  --c-border: #E6E1D7;
  --c-soft: #FDF1E5;
  --c-tag: #F2EBDF;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 24px -12px rgba(16, 63, 54, 0.18);
  --shadow-hover: 0 14px 30px -12px rgba(16, 63, 54, 0.24);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html,
body {
  scroll-padding-top: 90px;
}

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color 0.24s var(--ease), background-color 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

a:hover {
  color: var(--c-accent-dark);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px dashed var(--c-primary);
  outline-offset: 3px;
}

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* 顶部信息条 */
.topbar {
  background: var(--c-deep);
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.825rem;
  min-height: 36px;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  gap: 12px;
}

.topbar__domain {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4FD1B2;
  flex: 0 0 auto;
  box-shadow: 0 0 0 2px rgba(79, 209, 178, 0.18);
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.topbar__actions a {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.8rem;
}

.topbar__actions a:hover {
  color: var(--c-accent);
}

/* 主头部 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px -18px rgba(16, 63, 54, 0.25);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  min-width: 0;
}

.logo__mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  flex: 0 0 auto;
  box-shadow: 0 8px 20px -10px rgba(14, 159, 135, 0.55);
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  min-width: 0;
}

.logo__text strong {
  font-size: 1.075rem;
  font-weight: 800;
  color: var(--c-ink);
  letter-spacing: 0;
}

.logo__text small {
  color: var(--c-sub);
  font-size: 0.72rem;
  margin-top: 2px;
}

@media (max-width: 520px) {
  .logo__text small {
    display: none;
  }
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  color: var(--c-ink);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav__link:hover {
  color: var(--c-primary-dark);
  background: rgba(14, 159, 135, 0.07);
}

.site-nav__link.is-active {
  color: var(--c-accent-dark);
  background: rgba(245, 138, 60, 0.1);
}

.site-nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 3px;
  border-radius: 999px;
  background: var(--c-accent);
}

@media (min-width: 1024px) {
  .site-nav__link {
    min-height: 44px;
  }
}

/* 汉堡按钮 */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--c-ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
  position: relative;
}

.menu-toggle span::before {
  position: absolute;
  top: -6px;
}

.menu-toggle span::after {
  position: absolute;
  top: 6px;
}

.menu-toggle.is-active span {
  transform: rotate(45deg);
}

.menu-toggle.is-active span::before {
  opacity: 0;
}

.menu-toggle.is-active span::after {
  transform: translateY(-6px) rotate(-90deg);
}

@media (max-width: 1023.98px) {
  .site-nav {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
}

/* 移动抽屉导航 */
.mobile-nav {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  top: 112px;
  bottom: 0;
  background: #fff;
  z-index: 79;
  flex-direction: column;
  padding: 24px 20px 40px;
  overflow-y: auto;
  border-top: 1px solid var(--c-border);
}

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

.mobile-nav__link {
  min-height: 52px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--c-border);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-ink);
}

.mobile-nav__link.is-active {
  color: var(--c-accent-dark);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 26px;
  border: 0;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  line-height: 1.4;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.15s ease, color 0.25s ease, border-color 0.25s ease;
}

.btn--accent {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 10px 22px -12px rgba(217, 108, 31, 0.7);
}

.btn--accent:hover {
  background: var(--c-accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 14px 26px -12px rgba(217, 108, 31, 0.8);
}

.btn--accent:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  border: 1px solid rgba(14, 159, 135, 0.55);
  color: var(--c-primary-dark);
}

.btn--outline:hover {
  background: rgba(14, 159, 135, 0.07);
  border-color: var(--c-primary);
  color: var(--c-primary-dark);
  transform: translateY(-1px);
}

.btn--light {
  background: #fff;
  color: var(--c-deep);
}

.btn--light:hover {
  background: #f1f6f4;
  color: var(--c-deep);
}

.btn--sm {
  min-height: 42px;
  padding: 0 18px;
  font-size: 0.88rem;
}

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

.btn--white {
  background: #fff;
  color: var(--c-deep);
  box-shadow: 0 8px 18px -10px rgba(0, 0, 0, 0.2);
}

/* 区块 */
.section {
  padding: 88px 0;
}

@media (max-width: 767px) {
  .section {
    padding: 64px 0;
  }
}

.sect-head {
  max-width: 760px;
  margin-bottom: 48px;
}

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

.sect-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 159, 135, 0.09);
  color: var(--c-primary-dark);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.sect-head h2 {
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  line-height: 1.35;
  color: var(--c-ink);
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 12px;
}

.sect-head p {
  color: var(--c-sub);
  font-size: 1rem;
  margin-top: 8px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--c-paper);
  padding: 88px 0 72px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 20%, rgba(14, 159, 135, 0.14), transparent 38%),
    radial-gradient(circle at 88% 12%, rgba(245, 138, 60, 0.13), transparent 42%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(16, 63, 54, 0.08) 0.7px, transparent 0.7px);
  background-size: 18px 18px;
  pointer-events: none;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.7), transparent 55%);
  -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.7), transparent 55%);
}

.hero__wrap {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 56px;
  align-items: center;
}

@media (max-width: 1023px) {
  .hero {
    padding: 64px 0 56px;
  }
  .hero__wrap {
    grid-template-columns: 1fr;
    gap: 56px;
  }
}

.hero__sub {
  font-size: 1.075rem;
  color: #34534d;
  margin: 18px 0 32px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  color: var(--c-sub);
  font-size: 0.82rem;
  padding: 6px 16px;
  box-shadow: 0 4px 14px -10px rgba(16, 63, 54, 0.15);
}

.hero-badge strong {
  color: var(--c-primary-dark);
  font-variant-numeric: tabular-nums;
}

/* 浏览器视觉 */
.hero__media {
  position: relative;
}

.browser {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(16, 63, 54, 0.35);
  border: 1px solid var(--c-border);
  transform: rotate(0.5deg);
}

.browser__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f2f5f3;
  border-bottom: 1px solid var(--c-border);
  padding: 14px 18px;
}

.browser__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #F58A3C;
}

.browser__dot:nth-child(2) {
  background: #35C6A5;
}

.browser__url {
  flex: 1;
  margin-left: 10px;
  background: #e9ece9;
  border-radius: 8px;
  padding: 4px 12px;
  color: #183832;
  font-size: 0.8rem;
  letter-spacing: 0;
}

.browser__shot {
  display: block;
}

.browser__shot img,
.browser__shot {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.float-chip {
  position: absolute;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 12px 26px -14px rgba(16, 63, 54, 0.36);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--c-ink);
  padding: 8px 14px;
  border: 1px solid var(--c-border);
}

.float-chip a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: inherit;
}

.float-chip--a {
  left: -14px;
  bottom: 26px;
}

.float-chip--b {
  right: -6px;
  top: 36px;
}

.float-chip--a a::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-primary);
  flex: 0 0 auto;
}

.float-chip--b a::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  flex: 0 0 auto;
}

@media (max-width: 560px) {
  .float-chip {
    display: none;
  }
}

/* 数据展示三连 */
.features {
  background: #fff;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.feature-panel {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.feature-row {
  display: grid;
  grid-template-columns: 84px 1fr 72px;
  align-items: center;
  gap: 24px;
  padding: 32px 36px;
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

.feature-row:last-child {
  border-bottom: none;
}

.feature-row:hover {
  background: #fcfdfa;
  box-shadow: inset 0 0 0 1px rgba(14, 159, 135, 0.12);
}

.feature-row__num {
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(14, 159, 135, 0.2);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.feature-row__body h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--c-ink);
  margin-bottom: 6px;
}

.feature-row__body p {
  color: var(--c-sub);
  font-size: 0.95rem;
}

.feature-row__icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 159, 135, 0.08);
  color: var(--c-primary);
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.feature-row:hover .feature-row__icon {
  background: rgba(245, 138, 60, 0.12);
  color: var(--c-accent-dark);
  transform: translateY(-2px);
}

@media (max-width: 767px) {
  .feature-row {
    grid-template-columns: 56px 1fr;
    grid-template-areas:
      "num icon"
      "num body";
    gap: 16px;
    padding: 26px 22px;
  }
  .feature-row__num {
    grid-area: num;
    font-size: 1.7rem;
  }
  .feature-row__icon {
    grid-area: icon;
    width: 44px;
    height: 44px;
  }
  .feature-row__body {
    grid-area: body;
  }
}

/* 场景步骤 */
.scenario {
  background: var(--c-paper);
}

.scenario__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 60px;
  align-items: center;
}

@media (max-width: 1023px) {
  .scenario__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--c-border);
}

.step-item:last-child {
  border-bottom: 0;
}

.step-item__num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 16px -8px rgba(14, 159, 135, 0.6);
}

.step-item h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.step-item p {
  color: var(--c-sub);
  font-size: 0.945rem;
}

.scenario-media {
  position: relative;
}

.scenario-media__frame {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.scenario-media__frame img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.scenario-media__tip {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: 14px;
  background: rgba(14, 159, 135, 0.07);
  border: 1px solid rgba(14, 159, 135, 0.14);
  color: var(--c-primary-dark);
  font-size: 0.9rem;
}

/* 信任数据区 */
.trust {
  position: relative;
  overflow: hidden;
  background: var(--c-deep);
  color: #fff;
}

.trust__bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.5;
}

.trust__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(16, 63, 54, 0.97) 0%, rgba(16, 63, 54, 0.82) 100%);
}

.trust__inner {
  position: relative;
  z-index: 2;
}

.trust__grid {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 900px) {
  .trust__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.trust h2 {
  font-size: clamp(1.5rem, 2.4vw, 1.95rem);
  font-weight: 800;
  margin-bottom: 18px;
}

.trust p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1rem;
}

.trust__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

@media (max-width: 767px) {
  .trust__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  padding: 22px 18px;
  text-align: center;
  backdrop-filter: blur(6px);
}

.stat-card strong {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}

.stat-card span {
  display: block;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.83rem;
  margin-top: 4px;
}

@media (max-width: 560px) {
  .stat-card strong {
    font-size: 1.45rem;
  }
  .stat-card span {
    font-size: 0.72rem;
  }
  .trust__stats {
    grid-template-columns: 1fr;
  }
}

/* 最新资讯 */
.news-section {
  background: #fff;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

@media (max-width: 1023px) {
  .news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}

.news-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14, 159, 135, 0.28);
}

.news-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
  background: #eaf2ef;
}

.news-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.news-card:hover .news-card__media img {
  transform: scale(1.03);
}

.news-card__content {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 14px;
  gap: 6px;
}

.badge--soft {
  background: var(--c-tag);
  color: #7A4B24;
}

.news-card__title {
  font-size: 1.06rem;
  line-height: 1.55;
  font-weight: 800;
  margin-bottom: 8px;
}

.news-card__title a {
  color: var(--c-ink);
}

.news-card__title a:hover {
  color: var(--c-accent-dark);
}

.news-card__summary {
  color: var(--c-sub);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.news-card__time {
  color: #87938f;
  font-size: 0.82rem;
  display: block;
  font-variant-numeric: tabular-nums;
}

.news-empty {
  border: 1px dashed var(--c-border);
  border-radius: var(--radius-lg);
  background: #fcfbf8;
  padding: 72px 24px;
  text-align: center;
}

.news-empty__icon {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  background: var(--c-tag);
  border-radius: 16px;
  font-size: 24px;
  margin-bottom: 18px;
}

.news-empty p {
  color: var(--c-sub);
  margin-bottom: 20px;
}

/* FAQ */
.faq {
  background: var(--c-paper);
}

.faq__wrap {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 18px 22px;
  margin-bottom: 12px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq-item[open] {
  border-color: rgba(14, 159, 135, 0.35);
  box-shadow: var(--shadow-card);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--c-ink);
}

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

.faq-item summary::after {
  content: "+";
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(14, 159, 135, 0.1);
  color: var(--c-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 400;
  flex: 0 0 auto;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: rgba(14, 159, 135, 0.18);
}

.faq-item p {
  color: var(--c-sub);
  font-size: 0.95rem;
  padding-top: 12px;
  max-width: 720px;
}

/* CTA 条 */
.cta-section {
  position: relative;
  overflow: hidden;
  background: #fff;
}

.cta-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(135deg, #123F37 0%, #0B6E62 56%, #0E9F87 100%);
  padding: 44px;
  box-shadow: 0 30px 70px -30px rgba(16, 63, 54, 0.5);
}

.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 85% 12%, rgba(255, 255, 255, 0.2), transparent 32%);
  pointer-events: none;
}

.cta-card__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
}

@media (max-width: 760px) {
  .cta-card__inner {
    grid-template-columns: 1fr;
  }
  .cta-card {
    padding: 28px 22px;
  }
}

.cta-card__eyebrow {
  color: #A7E6DA;
  font-size: 0.82rem;
  font-weight: 700;
  display: block;
  margin-bottom: 8px;
}

.cta-card h2 {
  color: #fff;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.35;
  font-weight: 800;
  margin-bottom: 10px;
}

.cta-card p {
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
}

.cta-card__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

@media (max-width: 760px) {
  .cta-card__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* 页脚 */
.footer {
  background: #0C2F2A;
  color: rgba(255, 255, 255, 0.78);
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
}

@media (max-width: 1023px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 600px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__logo-text {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-top: 6px;
}

.footer__logo-domain {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.8rem;
  margin-top: 2px;
}

.footer__desc {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.68);
  margin-top: 14px;
  max-width: 320px;
}

.footer h4 {
  color: #fff;
  font-size: 0.98rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer__nav a {
  color: rgba(255, 255, 255, 0.72);
  padding: 4px 0;
  font-size: 0.92rem;
}

.footer__nav a:hover {
  color: var(--c-accent);
}

.footer__note {
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 14px 16px;
  color: rgba(255, 255, 255, 0.62);
}

.footer__note a {
  color: #7ee0cc;
}

.footer__copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
}

/* 右下角 / 底部固定转化条 */
.fixed-cta {
  position: fixed;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  width: calc(100% - 24px);
  max-width: 420px;
  z-index: 65;
  background: var(--c-deep);
  color: rgba(255, 255, 255, 0.96);
  border-radius: 18px;
  box-shadow: 0 20px 50px -20px rgba(16, 63, 54, 0.65);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px 12px 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .fixed-cta {
    left: auto;
    right: 22px;
    bottom: 22px;
    transform: none;
    width: 340px;
    max-width: calc(100vw - 32px);
  }
}

.fixed-cta__content {
  min-width: 0;
}

.fixed-cta__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fixed-cta__title::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  flex: 0 0 auto;
}

.fixed-cta__more {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.76rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fixed-cta__btn {
  background: var(--c-accent);
  color: #fff;
  height: 40px;
  padding: 0 16px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  font-size: 0.85rem;
  font-weight: 800;
  text-decoration: none;
}

.fixed-cta__btn:hover {
  background: var(--c-accent-dark);
  color: #fff;
}

.fixed-cta__close {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  border: 0;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  flex: 0 0 auto;
}

.fixed-cta__close:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

@media (max-width: 767px) {
  body {
    padding-bottom: 76px;
  }
}

@media (min-width: 768px) {
  body {
    padding-bottom: 24px;
  }
}

/* 滚动焦点与动画降级 */
section[id],
section [id],
section[id="news"] {
  scroll-margin-top: 96px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: article */
:root {
    --c-primary: #0E9F87;
    --c-primary-dark: #0B6E62;
    --c-primary-glow: #35C6A5;
    --c-accent: #F58A3C;
    --c-accent-dark: #D96C1F;
    --c-deep: #103F36;
    --c-bg: #F7F5EF;
    --c-card: #FFFFFF;
    --c-text: #183832;
    --c-muted: #6A7A76;
    --c-border: #E6E1D7;
    --font-base: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    --radius-lg: 20px;
    --radius-md: 12px;
    --shadow-card: 0 8px 24px -12px rgba(16, 63, 54, 0.18);
    --shadow-hover: 0 14px 30px -12px rgba(16, 63, 54, 0.24);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-base);
    background-color: var(--c-bg);
    color: var(--c-text);
    line-height: 1.8;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  ul, ol {
    list-style-position: inside;
  }

  a:focus-visible,
  button:focus-visible {
    outline: 2px dashed var(--c-primary);
    outline-offset: 3px;
    border-radius: 6px;
  }

  .container {
    width: min(1200px, 100% - 40px);
    margin-inline: auto;
  }

  .topbar {
    background: var(--c-deep);
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.8rem;
    height: 38px;
    display: flex;
    align-items: center;
    letter-spacing: 0.02em;
  }

  .topbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }

  .topbar__left {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
  }

  .topbar__left .domain {
    color: #fff;
    font-weight: 600;
    letter-spacing: 0;
  }

  .topbar__left .ti {
    opacity: 0.45;
  }

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

  .topbar__right a,
  .topbar__right button {
    color: rgba(255, 255, 255, 0.86);
    padding: 3px 10px;
    border-radius: 999px;
    transition: background 0.2s, color 0.2s;
    font-size: 0.78rem;
    border: 1px solid transparent;
  }

  .topbar__right a:hover,
  .topbar__right button:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
  }

  .main-navbar {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(230, 225, 215, 0.9);
    transition: box-shadow 0.25s;
  }

  .main-navbar.is-scrolled {
    box-shadow: 0 6px 18px -18px rgba(16, 63, 54, 0.32);
  }

  .navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 76px;
  }

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

  .logo__mark {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: linear-gradient(135deg, #0E9F87, #35C6A5);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 800;
    box-shadow: 0 6px 18px -8px rgba(14, 159, 135, 0.9);
  }

  .logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }

  .logo__text strong {
    font-size: 1.06rem;
    font-weight: 800;
    color: var(--c-text);
    letter-spacing: 0.01em;
    white-space: nowrap;
  }

  .logo__text small {
    font-size: 0.72rem;
    color: var(--c-muted);
    letter-spacing: 0.06em;
    margin-top: 2px;
  }

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

  .site-nav__link {
    display: inline-flex;
    align-items: center;
    height: 40px;
    padding: 0 15px;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 500;
    color: #31443f;
    position: relative;
    transition: background 0.2s, color 0.2s;
  }

  .site-nav__link:hover {
    background: rgba(14, 159, 135, 0.08);
    color: var(--c-primary);
  }

  .site-nav__link.is-active {
    color: var(--c-accent-dark);
    background: rgba(245, 138, 60, 0.12);
    font-weight: 600;
  }

  .site-nav__link.is-active::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 3px;
    border-radius: 99px;
    background: var(--c-accent);
  }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    color: var(--c-text);
    border: 1px solid var(--c-border);
  }

  .nav-toggle .icon-bar {
    width: 18px;
    height: 2px;
    background: currentColor;
    display: block;
    margin: 3px auto;
    border-radius: 2px;
    transition: transform 0.2s;
  }

  .nav-open {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: #fff;
    padding: 14px 20px 18px;
    border-bottom: 1px solid var(--c-border);
  }

  .nav-open .site-nav__link {
    height: 46px;
    justify-content: flex-start;
  }

  .page-hero {
    background: linear-gradient(135deg, #EDF6F2 0%, #F8F3EA 62%, #FCF2E7 100%);
    border-bottom: 1px solid var(--c-border);
    padding: 40px 0 34px;
    position: relative;
    overflow: hidden;
  }

  .page-hero::before {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    right: -90px;
    top: -130px;
    background: radial-gradient(circle at center, rgba(53, 198, 165, 0.2), transparent 70%);
    pointer-events: none;
  }

  .breadcrumb {
    font-size: 0.85rem;
    color: var(--c-muted);
    margin-bottom: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .breadcrumb a {
    color: var(--c-primary);
  }

  .breadcrumb a:hover {
    text-decoration: underline;
  }

  .breadcrumb__sep {
    color: #BFC7C2;
  }

  .post-hero__label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #FDE7D5;
    color: #9A4F1C;
    border-radius: 999px;
    padding: 5px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 16px;
  }

  .post-hero h1 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    line-height: 1.25;
    font-weight: 800;
    color: var(--c-text);
    max-width: 900px;
  }

  .post-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-top: 18px;
    font-size: 0.9rem;
    color: var(--c-muted);
    border-top: 1px solid rgba(230, 225, 215, 0.75);
    padding-top: 14px;
  }

  .post-hero__meta strong {
    color: var(--c-text);
    font-weight: 600;
  }

  .article-page {
    padding: 44px 0 72px;
  }

  .article-shell {
    display: grid;
    gap: 32px;
  }

  .article-main {
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    padding: 24px 28px 36px;
    position: relative;
  }

  .article-lead {
    border-left: 3px solid var(--c-primary);
    background: #F3FAF7;
    border-radius: 0 14px 14px 0;
    padding: 16px 20px;
    color: #2F4B45;
    font-size: 1rem;
    margin-bottom: 28px;
  }

  .article-body {
    max-width: 760px;
    font-size: 1.02rem;
    color: #213b36;
    line-height: 1.9;
  }

  .article-body > * + * {
    margin-top: 1.1em;
  }

  .article-body h2 {
    font-size: clamp(1.35rem, 2.4vw, 1.7rem);
    font-weight: 700;
    border-left: 4px solid var(--c-primary);
    padding-left: 14px;
    margin-top: 2em;
    line-height: 1.4;
    color: var(--c-text);
  }

  .article-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 1.7em;
    color: var(--c-text);
  }

  .article-body p {
    margin: 1.1em 0;
  }

  .article-body ul,
  .article-body ol {
    padding-left: 24px;
    margin-block: 1.2em;
  }

  .article-body ul {
    list-style: disc;
  }

  .article-body li {
    margin-bottom: 0.4em;
  }

  .article-body blockquote {
    background: #F8F5ED;
    border-left: 3px solid var(--c-accent);
    border-radius: 0 12px 12px 0;
    padding: 14px 18px;
    color: #4b5f5a;
    margin: 1.4em 0;
  }

  .article-body a {
    color: var(--c-primary);
    border-bottom: 1px solid rgba(14, 159, 135, 0.35);
    transition: border-color 0.2s;
  }

  .article-body a:hover {
    border-color: var(--c-accent);
    color: var(--c-accent-dark);
  }

  .article-body img {
    border-radius: 14px;
    margin: 1.8em auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
  }

  .article-body figure {
    margin: 1.8em auto;
  }

  .article-body figure img {
    margin: 0 auto;
  }

  .article-body figcaption {
    font-size: 0.84rem;
    color: var(--c-muted);
    text-align: center;
    margin-top: 10px;
  }

  .article-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    margin: 1.5em 0;
  }

  .article-body th,
  .article-body td {
    border: 1px solid var(--c-border);
    padding: 12px 14px;
    text-align: left;
  }

  .article-body th {
    background: var(--c-bg);
    font-weight: 700;
  }

  .post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    border-top: 1px solid var(--c-border);
    padding-top: 22px;
    margin-top: 32px;
  }

  .post-tag {
    display: inline-block;
    border-radius: 999px;
    background: #F6EFE4;
    color: #76543a;
    font-size: 0.85rem;
    padding: 5px 13px;
    transition: background 0.2s;
  }

  .post-tag:hover {
    background: #FCE6D2;
    color: var(--c-accent-dark);
  }

  .post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 32px 0 0;
  }

  .post-nav__cell {
    border: 1px solid var(--c-border);
    border-radius: 14px;
    padding: 14px 18px;
    background: var(--c-bg);
    transition: box-shadow 0.2s, border-color 0.2s;
  }

  .post-nav__cell:hover {
    border-color: var(--c-primary);
    box-shadow: var(--shadow-card);
  }

  .post-nav__cell span {
    display: block;
    font-size: 0.78rem;
    color: var(--c-muted);
  }

  .post-nav__cell strong {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--c-text);
  }

  .inner-note {
    background: #FFF8F0;
    border: 1px solid #FBDFC4;
    border-radius: 14px;
    padding: 18px 20px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    color: #42544f;
    font-size: 0.92rem;
  }

  .inner-note strong {
    color: var(--c-accent-dark);
  }

  .related-section {
    margin-top: 12px;
  }

  .section-divider {
    height: 1px;
    background: var(--c-border);
    margin: 28px 0;
  }

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

  .rec-card {
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--c-border);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
  }

  .rec-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
  }

  .rec-card__img {
    aspect-ratio: 16 / 8;
    object-fit: cover;
    width: 100%;
    background: #E8E3D9;
  }

  .rec-card__body {
    padding: 16px 18px 18px;
    flex: 1;
  }

  .rec-card__body h4 {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 6px;
  }

  .rec-card__body p {
    font-size: 0.88rem;
    color: var(--c-muted);
    line-height: 1.7;
  }

  .cta-strip {
    background: linear-gradient(135deg, #103F36, #17655A);
    border-radius: 20px;
    padding: 34px 30px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 18px;
    justify-content: space-between;
  }

  .cta-strip h3 {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
  }

  .cta-strip p {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.7;
    margin-top: 4px;
  }

  .btn-accent,
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    padding: 0 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.94rem;
    transition: background 0.2s, color 0.2s, transform 0.1s, box-shadow 0.2s;
    white-space: nowrap;
  }

  .btn-accent {
    background: var(--c-accent);
    color: #fff;
    box-shadow: 0 8px 18px -10px rgba(245, 138, 60, 0.7);
  }

  .btn-accent:hover {
    background: var(--c-accent-dark);
    box-shadow: 0 12px 22px -10px rgba(217, 108, 31, 0.6);
  }

  .btn-accent:active {
    transform: translateY(1px);
  }

  .btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
  }

  .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
  }

  .footer {
    background: #0D342C;
    color: rgba(255, 255, 255, 0.72);
    padding-top: 60px;
    margin-top: 64px;
  }

  .footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 38px;
  }

  .footer h4 {
    font-size: 0.98rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
  }

  .footer__desc {
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.58);
    margin-top: 12px;
  }

  .footer__nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer__nav a {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.9rem;
    transition: color 0.2s;
  }

  .footer__nav a:hover {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .footer__note {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 0.8rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.44);
  }

  .footer__divider {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .footer__copyright {
    padding: 18px 0;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: rgba(255, 255, 255, 0.42);
    font-size: 0.82rem;
  }

  .back-top {
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s;
  }

  .back-top:hover {
    color: #fff;
  }

  .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    gap: 18px;
    text-align: center;
    color: var(--c-muted);
  }

  .empty-state__icon {
    width: 66px;
    height: 66px;
    border-radius: 24px;
    background: #EAF4F0;
    color: var(--c-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
  }

  .empty-state h2 {
    font-size: 1.3rem;
    color: var(--c-text);
    font-weight: 700;
  }

  .empty-state p {
    font-size: 0.92rem;
    max-width: 360px;
  }

  @media (max-width: 1024px) {
    .footer__grid {
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
  }

  @media (max-width: 900px) {
    .site-nav {
      display: none;
    }

    .site-nav.nav-open {
      display: flex;
      width: 100%;
    }

    .nav-open .site-nav__link {
      justify-content: flex-start;
    }

    .nav-toggle {
      display: inline-flex;
    }

    .navbar__inner {
      flex-wrap: wrap;
    }

    .nav-open-wrap .site-nav {
      display: flex;
    }

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

    .cta-strip {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  @media (max-width: 640px) {
    .topbar__right span + span {
      display: none;
    }

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

    .topbar__left .ti {
      display: none;
    }

    .topbar__left {
      gap: 4px;
    }

    .logo__text strong {
      font-size: 0.92rem;
    }

    .navbar__inner {
      height: 68px;
    }

    .article-main {
      padding: 20px 18px 28px;
    }

    .page-hero {
      padding: 28px 0;
    }

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

    .footer__copyright {
      flex-direction: column;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
  }

/* roulang page: category1 */
:root {
    --c-primary: #0E9F87;
    --c-primary-2: #0B6E62;
    --c-gradient: 135deg, #0E9F87 0%, #35C6A5 100%;
    --c-cta: #F58A3C;
    --c-cta-2: #D96C1F;
    --c-deep: #103F36;
    --c-bg: #F7F5EF;
    --c-card: #FFFFFF;
    --c-text: #183832;
    --c-muted: #6A7A76;
    --c-line: #E6E1D7;
    --radius-xl: 20px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow: 0 8px 24px -12px rgba(16, 63, 54, 0.18);
    --shadow-lg: 0 14px 30px -12px rgba(16, 63, 54, 0.24);
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.8;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
  button { font-family: inherit; }
  .container { width: 100%; max-width: 1180px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
  ::selection { background: rgba(14, 159, 135, .2); }

  .skip-link {
    position: absolute; left: -999px; top: 8px; z-index: 999;
    background: var(--c-primary); color: #fff; padding: 8px 16px; border-radius: var(--radius-sm);
  }
  .skip-link:focus { left: 8px; }

  .noticebar {
    background: var(--c-deep); color: rgba(255,255,255,.75);
    font-size: .78rem; line-height: 36px; height: 36px; overflow: hidden;
  }
  .noticebar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
  .noticebar__right a { color: rgba(255,255,255,.85); padding: 0 4px; font-size: .78rem; }
  .noticebar__right a:hover, .noticebar__right a:focus-visible { color: #fff; outline: none; text-decoration: underline; }

  .mainbar { position: sticky; top: 0; z-index: 80; background: #fff; box-shadow: 0 1px 0 rgba(23, 66, 58, .08); }
  .mainbar__inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 20px; }

  .logo { display: inline-flex; align-items: center; gap: 10px; }
  .logo__mark {
    width: 42px; height: 42px; border-radius: 14px; flex: 0 0 auto;
    background: linear-gradient(var(--c-gradient));
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 20px; color: #fff; box-shadow: var(--shadow);
  }
  .logo__text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
  .logo__text strong { color: var(--c-text); font-weight: 800; font-size: 1.12rem; letter-spacing: .01em; white-space: nowrap; }
  .logo__text small { color: var(--c-muted); font-size: .78rem; font-weight: 400; letter-spacing: .03em; }

  .site-nav { display: flex; align-items: center; gap: 4px; }
  .site-nav__link {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 13px; border-radius: 10px; color: #33413d;
    font-size: .92rem; font-weight: 500; line-height: 1.2; position: relative; min-height: 40px;
  }
  .site-nav__link:hover, .site-nav__link:focus-visible {
    color: var(--c-primary); background: rgba(14,159,135,.06); outline: 2px solid rgba(14,159,135,.25); outline-offset: 1px;
  }
  .site-nav__link.is-active { color: var(--c-deep); font-weight: 700; background: rgba(14,159,135,.1); }
  .site-nav__link.is-active::after {
    content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 3px;
    border-radius: 999px; background: var(--c-cta);
  }
  .nav-toggle {
    display: none; width: 42px; height: 42px; border: 1px solid var(--c-line); border-radius: 12px;
    background: #fff; color: var(--c-text); cursor: pointer; align-items: center; justify-content: center; gap: 5px; line-height: 1; flex-direction: column;
  }
  .nav-toggle:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
  .nav-toggle span { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; transition: .25s; }

  /* hero */
  .hero { position: relative; overflow: hidden; background: var(--c-bg); }
  .hero::before {
    content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .6;
    background-image: url("/assets/images/backpic/back-1.webp");
    background-size: cover; background-position: center;
  }
  .hero::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(100deg, rgba(247,245,239,.97) 0%, rgba(247,245,239,.88) 34%, rgba(247,245,239,.66) 100%);
  }
  .hero__inner { position: relative; z-index: 3; padding: 70px 0 60px; }
  .hero__grid { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); gap: 40px; align-items: center; }
  .hero__content { max-width: 620px; }
  .hero__content .lede { font-size: 1.06rem; color: #3d514c; max-width: 30em; }
  .hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

  .browser { background: #fff; border: 1px solid var(--c-line); border-radius: 18px; box-shadow: var(--shadow-lg); overflow: hidden; }
  .browser__bar { display: flex; align-items: center; gap: 10px; height: 38px; padding: 0 14px; background: #FBF9F4; border-bottom: 1px solid var(--c-line); }
  .browser__dots { display: flex; gap: 5px; }
  .browser__dots i { width: 9px; height: 9px; border-radius: 99px; display: inline-block; }
  .browser__url { flex: 1; height: 24px; background: #EEEAE1; border-radius: 999px; font-size: .72rem; color: #8A8275; display: flex; align-items: center; padding: 0 10px; letter-spacing: .02em; }
  .browser__body { position: relative; background: #F1ECE2; aspect-ratio: 16 / 10; overflow: hidden; }
  .browser__body img { width: 100%; height: 100%; object-fit: cover; }
  .browser__tag {
    position: absolute; border-radius: 10px; padding: 6px 10px; font-size: .75rem; font-weight: 600;
    background: rgba(255,255,255,.9); box-shadow: var(--shadow); backdrop-filter: blur(4px); color: var(--c-text); border: 1px solid rgba(255,255,255,.7);
  }
  .browser__tag--one { top: 16px; right: 16px; color: var(--c-text); }
  .browser__tag--two { bottom: 18px; left: 16px; color: var(--c-text); }

  .badge-pill { display: inline-flex; align-items: center; gap: 8px; background: #E6E1D7; color: var(--c-deep); border-radius: 999px; padding: 6px 14px; font-size: .8rem; font-weight: 600; }
  .badge-pill::before { content: ""; width: 6px; height: 6px; border-radius: 99px; background: var(--c-primary); }

  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 12px; border: 0; cursor: pointer; font-weight: 700; line-height: 1.2; font-size: .96rem; }
  .btn:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 3px; }
  .btn--primary { background: var(--c-cta); color: #fff; box-shadow: 0 6px 18px -8px rgba(224, 104, 39, .6); }
  .btn--primary:hover { background: var(--c-cta-2); box-shadow: 0 12px 24px -10px rgba(217,108,31,.52); }
  .btn--primary:active { transform: translateY(1px); }
  .btn--ghost { background: transparent; color: var(--c-primary-2); border: 1px solid var(--c-primary); }
  .btn--ghost:hover { background: rgba(14,159,135,.08); }
  .btn--ghost:active { transform: translateY(1px); }
  .btn--light { background: var(--c-deep); color: #fff; }
  .btn--light:hover { background: #0a2c25; }

  .section { padding: 88px 0; }
  .section--tint { background: #F0EDE4; }
  .section__head { max-width: 700px; margin-bottom: 40px; }
  .section__eyebrow { color: var(--c-primary-2); font-size: .9rem; font-weight: 700; letter-spacing: .06em; }
  .section__title { font-size: clamp(1.4rem, 2.4vw, 2rem); line-height: 1.3; font-weight: 700; color: var(--c-text); margin: 6px 0 12px; }
  .section__desc { color: var(--c-muted); font-size: .98rem; }
  .divider-title { display: flex; align-items: center; gap: 12px; }
  .divider-title::before { content: ""; width: 5px; height: 26px; border-radius: 99px; background: linear-gradient(180deg, var(--c-primary), var(--c-primary-2)); }

  .card { background: var(--c-card); border: 1px solid #EFEAE1; border-radius: var(--radius-xl); box-shadow: var(--shadow); }
  .card--hover { transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
  .card--hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: #DCBFA6; }

  .num-list { display: grid; grid-template-columns: 1fr; }
  .num-list__item { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 18px; align-items: start; padding: 26px 0; border-bottom: 1px solid var(--c-line); }
  .num-list__item:first-child { padding-top: 0; }
  .num-list__item:last-child { border-bottom: 0; padding-bottom: 0; }
  .num-list__num { font-weight: 800; font-size: 1.3rem; color: var(--c-primary); font-variant-numeric: tabular-nums; line-height: 1.2; width: 52px; height: 52px; border-radius: 16px; background: rgba(14,159,135,.1); display: inline-flex; align-items: center; justify-content: center; }

  .check-card { display: flex; gap: 16px; padding: 20px; border-radius: var(--radius-lg); background: #fff; border: 1px solid #EFEAE1; box-shadow: var(--shadow); }
  .check-card__icon { width: 48px; height: 48px; border-radius: 14px; background: rgba(14,159,135,.1); color: var(--c-primary); flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; }
  .check-card:hover .check-card__icon { color: var(--c-cta); }

  .icon-svg { width: 24px; height: 24px; display: inline-block; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

  .compare-table { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border: 1px solid #EFEAE1; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); }
  .compare-table th, .compare-table td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--c-line); font-size: .95rem; line-height: 1.7; }
  .compare-table th { background: var(--c-deep); color: #fff; font-weight: 600; }
  .compare-table th:first-child { min-width: 180px; }
  .compare-table tr:last-child td { border-bottom: 0; }
  .compare-table td { vertical-align: middle; }
  .compare-table .table-link { color: var(--c-primary-2); font-weight: 600; }
  .compare-table .table-link:hover { color: var(--c-cta); text-decoration: underline; }
  .table-wrap { overflow-x: auto; border-radius: 18px; }

  .steps { display: grid; gap: 16px; }
  .step-card { background: #fff; border: 1px solid #EFEAE1; border-radius: 18px; padding: 22px; display: grid; grid-template-columns: 42px 1fr; gap: 14px; box-shadow: var(--shadow); }
  .step-card__icon { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(var(--c-gradient)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }

  .info-banner { position: relative; border-radius: 24px; overflow: hidden; background: var(--c-deep); min-height: 280px; display: flex; align-items: center; }
  .info-banner__bg { position: absolute; inset: 0; }
  .info-banner__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .25; }
  .info-banner__inner { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; gap: 28px; flex-wrap: wrap; padding: 44px; }

  .faq-list { max-width: 860px; }
  .faq-item { background: #fff; border: 1px solid #EFEAE1; border-radius: 16px; padding: 0; margin-bottom: 14px; box-shadow: var(--shadow); overflow: hidden; }
  .faq-item summary { list-style: none; cursor: pointer; padding: 18px 22px; margin: 0; font-weight: 700; color: var(--c-text); display: flex; justify-content: space-between; gap: 16px; align-items: center; font-size: .98rem; }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--c-primary); font-weight: 500; line-height: 1; transition: transform .2s ease; }
  .faq-item[open] summary::after { transform: rotate(45deg); }
  .faq-item__body { padding: 0 22px 18px; color: var(--c-muted); }
  .faq-item:hover { border-color: #D2CBBF; }

  .ref-card { background: #fff; border: 1px solid #EFEAE1; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
  .ref-card__media { aspect-ratio: 16 / 10; overflow: hidden; }
  .ref-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
  .ref-card:hover .ref-card__media img { transform: scale(1.03); }
  .ref-card__body { padding: 20px; }
  .ref-card__title { font-weight: 700; margin: 8px 0 6px; font-size: 1.05rem; }
  .tag { display: inline-flex; align-items: center; background: #FDEADC; color: #AC5A24; font-size: .76rem; font-weight: 600; line-height: 1; padding: 6px 10px; border-radius: 999px; }

  .cta-panel { background: linear-gradient(var(--c-gradient)); border-radius: 22px; color: #fff; position: relative; overflow: hidden; padding: 44px; }
  .cta-panel__inner { position: relative; z-index: 2; display: flex; gap: 28px; justify-content: space-between; align-items: center; flex-wrap: wrap; }

  /* mini CTA */
  .mini-cta {
    position: fixed; right: 18px; bottom: 18px; z-index: 90; background: var(--c-deep); color: #fff;
    display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 10px 14px 10px 20px;
    border-radius: 999px; box-shadow: 0 14px 30px -10px rgba(16,63,54,.6); font-size: .9rem; font-weight: 600;
  }
  .mini-cta a { background: var(--c-cta); color: #fff; border-radius: 999px; padding: 9px 16px; white-space: nowrap; }
  .mini-cta a:hover { background: var(--c-cta-2); }
  .mini-cta button { background: transparent; color: rgba(255,255,255,.55); border: 0; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; font-size: .9rem; }
  .mini-cta button:hover { color: #fff; }

  /* footer */
  .footer { background: var(--c-deep); color: rgba(255,255,255,.8); }
  .footer .container { padding-top: 60px; padding-bottom: 24px; }
  .footer__grid { display: grid; grid-template-columns: 1.4fr .8fr 1.1fr 1.1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.12); }
  .footer h4 { color: #fff; font-weight: 700; font-size: 1rem; margin: 0 0 14px; }
  .footer__nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
  .footer__nav a { font-size: .9rem; color: rgba(255,255,255,.62); display: block; padding: 4px 0; }
  .footer__nav a:hover { color: #fff; }
  .footer__desc { color: rgba(255,255,255,.6); font-size: .92rem; line-height: 1.8; margin-top: 14px; }
  .footer__note { background: rgba(255,255,255,.07); border-radius: 12px; padding: 12px 14px; font-size: .78rem; color: rgba(255,255,255,.55); }
  .footer__copyright { padding-top: 22px; display: flex; justify-content: center; text-align: center; color: rgba(255,255,255,.45); font-size: .8rem; }
  .footer__copyright p { margin: 0; }

  @media (max-width: 1023px) {
    .footer__grid { grid-template-columns: 1fr 1fr; }
    .hero__grid { grid-template-columns: 1fr; }
    .hero__browser { display: none; }
  }
  @media (max-width: 767px) {
    .section { padding: 60px 0; }
    .mainbar__inner { min-height: 64px; }
    .site-nav {
      display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff;
      flex-direction: column; align-items: stretch; padding: 16px; margin: 0 16px; gap: 6px;
      border-radius: 16px; box-shadow: 0 18px 40px -12px rgba(16,63,54,.22); border: 1px solid #EFEAE1;
    }
    .site-nav.is-open { display: flex; }
    .site-nav__link { min-height: 44px; padding: 11px 14px; justify-content: flex-start; }
    .site-nav__link.is-active::after { left: auto; right: auto; width: 48px; bottom: 6px; }
    .nav-toggle { display: inline-flex; }
    .logo__text strong { font-size: 1rem; white-space: normal; }
    .noticebar__right { display: none; }
    .hero__inner { padding: 44px 0 38px; }
    .footer__grid { grid-template-columns: 1fr; gap: 28px; }
    .mini-cta { left: 12px; right: 12px; bottom: 10px; border-radius: 18px; }
    .info-banner__inner { padding: 30px 24px; }
    .cta-panel { padding: 28px 20px; }
    .num-list__item { grid-template-columns: 1fr; }
  }
  @media (max-width: 520px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .logo__text small { display: none; }
    .site-nav.is-open { margin: 0 12px; }
  }

/* roulang page: category2 */
:root {
    --c-brand: #0E9F87;
    --c-brand-deep: #0B6E62;
    --c-brand-light: #35C6A5;
    --c-accent: #F58A3C;
    --c-accent-deep: #D96C1F;
    --c-moss: #103F36;
    --c-paper: #F7F5EF;
    --c-card: #FFFFFF;
    --c-ink: #183832;
    --c-muted: #6A7A76;
    --c-line: #E6E1D7;
    --shadow-card: 0 8px 24px -12px rgba(16, 63, 54, 0.18);
    --shadow-card-hover: 0 14px 30px -12px rgba(16, 63, 54, 0.24);
    --radius-lg: 20px;
    --radius-btn: 12px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--c-paper);
    color: var(--c-ink);
    line-height: 1.8;
    overflow-x: hidden;
  }

  body.page-category2 .nav-link[data-page="category2"] {
    color: var(--c-accent);
  }

  body.page-category2 .nav-link[data-page="category2"]::after {
    opacity: 1;
    transform: scaleX(1);
  }

  img {
    max-width: 100%;
  }

  a,
  button,
  summary {
    -webkit-tap-highlight-color: rgba(14, 159, 135, 0.12);
  }

  a:focus-visible,
  button:focus-visible,
  summary:focus-visible {
    outline: 2px dashed var(--c-brand);
    outline-offset: 4px;
    border-radius: 6px;
  }

  .container-x {
    width: min(100% - 2rem, 1200px);
    margin-inline: auto;
  }

  .skip-link {
    position: absolute;
    left: -999px;
    top: 8px;
    z-index: 100;
    background: var(--c-moss);
    color: #fff;
    padding: 8px 16px;
    border-radius: 8px;
  }

  .skip-link:focus {
    left: 8px;
  }

  .logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    min-width: 0;
  }

  .logo__mark {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 13px;
    background: linear-gradient(135deg, #0E9F87, #35C6A5);
    color: #fff;
    font-size: 1.15rem;
    font-weight: 800;
    box-shadow: 0 6px 16px -8px rgba(14, 159, 135, 0.6);
  }

  .logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
    min-width: 0;
  }

  .logo__text strong {
    font-size: 1.06rem;
    font-weight: 800;
    color: var(--c-ink);
    white-space: nowrap;
    letter-spacing: 0.01em;
  }

  .logo__text small {
    font-size: 0.72rem;
    color: var(--c-muted);
    line-height: 1.3;
  }

  .nav-link {
    position: relative;
    display: inline-block;
    padding: 0.45rem 0.18rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--c-ink);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 3px;
    border-radius: 3px;
    background: var(--c-accent);
    opacity: 0;
    transform: scaleX(0.4);
    transform-origin: left center;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-link:hover {
    color: var(--c-brand-deep);
  }

  .nav-link:hover::after {
    opacity: 1;
    transform: scaleX(1);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.85rem 1.4rem;
    border-radius: var(--radius-btn);
    font-size: 0.98rem;
    font-weight: 700;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    line-height: 1.4;
    transition: background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, transform 0.15s ease;
  }

  .btn-primary {
    background: var(--c-accent);
    color: #ffffff;
    box-shadow: 0 10px 20px -10px rgba(245, 138, 60, 0.7);
  }

  .btn-primary:hover {
    background: var(--c-accent-deep);
    box-shadow: 0 14px 24px -12px rgba(217, 108, 31, 0.72);
    transform: translateY(-1px);
  }

  .btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 6px 14px -8px rgba(217, 108, 31, 0.6);
  }

  .btn-outline-brand {
    background: transparent;
    border-color: rgba(14, 159, 135, 0.7);
    color: var(--c-brand-deep);
  }

  .btn-outline-brand:hover {
    background: rgba(14, 159, 135, 0.08);
    border-color: var(--c-brand);
    color: var(--c-brand-deep);
  }

  .btn-white {
    background: #ffffff;
    color: var(--c-brand-deep);
  }

  .btn-white:hover {
    background: #f0faf7;
    transform: translateY(-1px);
  }

  .chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(245, 138, 60, 0.12);
    color: #a65a20;
    line-height: 1.45;
  }

  .card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    border: 1px solid rgba(230, 225, 215, 0.7);
    transition: transform 0.22s ease, box-shadow 0.22s ease;
  }

  .card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
  }

  .h-display {
    font-size: clamp(2rem, 4vw, 3.1rem);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: 0;
    color: var(--c-ink);
  }

  .h-section {
    font-size: clamp(1.4rem, 2.4vw, 2rem);
    font-weight: 800;
    line-height: 1.3;
    color: var(--c-ink);
    letter-spacing: 0.01em;
  }

  .section-gap {
    padding-top: clamp(3.5rem, 6vw, 6.5rem);
    padding-bottom: clamp(3.5rem, 6vw, 6.5rem);
  }

  .hero-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(10px);
    background: radial-gradient(circle, rgba(14, 159, 135, 0.16), rgba(53, 198, 165, 0) 70%);
    width: 420px;
    height: 420px;
    pointer-events: none;
  }

  .cat-breadcrumb {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.72);
  }

  .cat-breadcrumb a {
    color: rgba(255, 255, 255, 0.86);
    text-decoration: none;
  }

  .cat-breadcrumb a:hover {
    color: #ffffff;
    text-decoration: underline;
  }

  .guidetable-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(230, 225, 215, 0.7);
  }

  .guide-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 540px;
    background: #ffffff;
  }

  .guide-table th {
    background: #FBF8F2;
    color: var(--c-brand-deep);
    text-align: left;
    font-weight: 700;
  }

  .guide-table th,
  .guide-table td {
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--c-line);
    vertical-align: top;
    line-height: 1.75;
  }

  .guide-table th:first-child,
  .guide-table td:first-child {
    min-width: 180px;
  }

  .guide-table tr:last-child td {
    border-bottom: 0;
  }

  .guide-table td {
    font-size: 0.94rem;
    color: var(--c-ink);
  }

  .guide-table tbody tr:hover {
    background: rgba(14, 159, 135, 0.04);
  }

  .guide-table a {
    color: var(--c-brand-deep);
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  .faq-item {
    background: #ffffff;
    border: 1px solid rgba(230, 225, 215, 0.8);
    border-radius: 18px;
    padding: 0.4rem 1.2rem;
    margin-bottom: 0.85rem;
    box-shadow: 0 4px 16px -12px rgba(16, 63, 54, 0.1);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
  }

  .faq-item:hover {
    box-shadow: var(--shadow-card);
    border-color: rgba(14, 159, 135, 0.3);
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
    font-weight: 700;
    color: var(--c-ink);
    font-size: 1rem;
    line-height: 1.5;
  }

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

  .faq-item summary::after {
    content: "+";
    flex: 0 0 26px;
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 1.15rem;
    background: rgba(14, 159, 135, 0.1);
    color: var(--c-brand-deep);
    transition: transform 0.2s ease, background-color 0.2s ease;
  }

  .faq-item[open] summary::after {
    content: "-";
    background: var(--c-brand);
    color: #ffffff;
  }

  .faq-item .faq-answer {
    padding: 0.2rem 0.2rem 1.2rem;
    color: var(--c-muted);
    font-size: 0.95rem;
    line-height: 1.85;
    border-top: 1px dashed var(--c-line);
    margin-top: 0.35rem;
  }

  .footer {
    background: var(--c-moss);
    color: rgba(255, 255, 255, 0.8);
  }

  .footer a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .footer a:hover {
    color: #ffffff;
  }

  .footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 3.4rem;
    padding-bottom: 2.6rem;
  }

  .footer__nav {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    font-size: 0.9rem;
  }

  .footer h4 {
    margin: 0 0 0.65rem;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
  }

  .footer__desc {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.62);
    line-height: 1.8;
    max-width: 320px;
  }

  .footer__note {
    margin-top: 0.8rem;
    padding-top: 0.8rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.42);
    line-height: 1.7;
  }

  .footer__copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.3rem 0 1.4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
  }

  .cover-media {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
  }

  .cover-rounded {
    border-radius: 16px;
  }

  .dot-grid {
    background-image: radial-gradient(rgba(16, 63, 54, 0.12) 1px, transparent 1px);
    background-size: 18px 18px;
  }

  @media (min-width: 640px) {
    .logo__text strong {
      font-size: 1.08rem;
    }
  }

  @media (min-width: 768px) {
    .footer__grid {
      grid-template-columns: 1.2fr 0.9fr 1fr 1.1fr;
    }
  }

  @media (max-width: 639.9px) {
    .footer__copyright {
      flex-direction: column;
      align-items: flex-start;
    }
  }