/* roulang page: index */
:root {
  --primary: #143D3A;
  --primary-dark: #0D2B28;
  --primary-light: #1D524E;
  --accent: #B98A4B;
  --accent-hover: #A5763D;
  --bg: #F5F4F0;
  --card: #FFFFFF;
  --text: #1D2A29;
  --muted: #5A6E6A;
  --line: rgba(20, 61, 58, 0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 4px rgba(0,0,0,0.05), 0 10px 28px rgba(0,0,0,0.08);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
::selection {
  background: rgba(185, 138, 75, 0.25);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(185, 138, 75, 0.55);
  outline-offset: 2px;
}
h1, h2, h3, h4, p {
  margin: 0;
}

.inner {
  max-width: 1232px;
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 32px);
  padding-right: clamp(16px, 4vw, 32px);
}

/* ---------- topbar ---------- */
.topbar {
  background: var(--primary-dark);
  color: rgba(235, 245, 242, 0.78);
  font-size: 13px;
  line-height: 1;
}
.topbar a {
  color: rgba(235, 245, 242, 0.9);
  transition: color 0.2s ease;
}
.topbar a:hover {
  color: #ffffff;
}
.dot-pulse {
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background: #7AC7A3;
  display: inline-block;
  animation: pulse-soft 2s infinite;
}
@keyframes pulse-soft {
  0%, 100% {
    opacity: 0.55;
    transform: scale(0.9);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

/* ---------- main nav ---------- */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary);
}
.site-logo .logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 9999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(185, 138, 75, 0.18);
}
.nav-link {
  position: relative;
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  color: #3E514D;
  padding: 26px 0;
  margin: 0 18px;
  transition: color 0.2s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transition: right 0.22s ease-out;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after {
  right: 0;
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-link.active::after {
  right: 0;
  background: var(--accent);
}
.mobile-panel {
  display: none;
  border-top: 1px solid var(--line);
  background: #fff;
}
.mobile-panel.open {
  display: block;
}
.mobile-link {
  display: block;
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-dark);
  border-top: 1px solid #F1F4F2;
}
.mobile-link.active {
  color: var(--accent-hover);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  border-radius: 10px;
  padding: 12px 24px;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: background 0.18s ease-out, box-shadow 0.18s ease-out, transform 0.18s ease-out, color 0.18s ease-out;
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(20, 61, 58, 0.16);
}
.btn-ghost {
  background: transparent;
  color: #E6F1EF;
  border-color: rgba(233, 245, 242, 0.45);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(233, 245, 242, 0.8);
  transform: translateY(-1px);
}
.btn-outline {
  background: #fff;
  color: var(--primary);
  border-color: rgba(20, 61, 58, 0.25);
}
.btn-outline:hover {
  border-color: var(--primary);
  box-shadow: 0 6px 18px rgba(20, 61, 58, 0.1);
  transform: translateY(-1px);
}
.btn-gold {
  background: var(--accent);
  color: #10211F;
}
.btn-gold:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(185, 138, 75, 0.3);
}
.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

/* ---------- hero ---------- */
.hero-band {
  position: relative;
  background-color: var(--primary-dark);
  background-image: linear-gradient(90deg, rgba(13, 43, 40, 0.95) 0%, rgba(13, 43, 40, 0.8) 48%, rgba(13, 43, 40, 0.58) 100%), url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.hero-content {
  padding-top: clamp(56px, 7vw, 112px);
  padding-bottom: clamp(64px, 7vw, 96px);
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: rgba(225, 240, 236, 0.9);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 7px 16px 7px 10px;
  margin-bottom: 26px;
}
.eyebrow-line {
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.hero-title {
  font-size: clamp(2.25rem, 4.8vw, 4.35rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin: 0 0 24px;
  color: #fff;
}
.hero-lead {
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  color: rgba(232, 243, 240, 0.9);
  max-width: 660px;
  line-height: 1.75;
  margin: 0 0 34px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 28px;
  color: rgba(230, 241, 238, 0.72);
  font-size: 14px;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.hero-meta i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(230, 241, 238, 0.4);
  margin-left: 12px;
}

.status-card {
  background: #ffffff;
  color: var(--text);
  border-radius: 22px;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.24);
  padding: clamp(22px, 2.5vw, 34px);
  width: 100%;
  max-width: 460px;
}
.status-card .field-label {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #6A7F7A;
}
.status-card .stat-value {
  font-size: clamp(30px, 2.8vw, 44px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.status-card .stat-note {
  font-size: 12.5px;
  color: #7A8C88;
  margin-top: 3px;
}

.hero-trust-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.12);
}
.hero-trust-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  padding-top: 18px;
  padding-bottom: 18px;
  color: rgba(226, 240, 237, 0.78);
  font-size: 13.5px;
}
.hero-trust-inner strong {
  color: #fff;
  font-weight: 600;
}

/* ---------- section heading ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-hover);
  font-weight: 700;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--primary-dark);
  font-weight: 800;
}
.section-desc {
  color: var(--muted);
  font-size: 16px;
  max-width: 760px;
  margin-top: 16px;
}

/* ---------- cards ---------- */
.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  transition: transform 0.22s ease-out, box-shadow 0.22s ease-out, border-color 0.22s ease-out;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(20, 61, 58, 0.2);
}
.stat-card .stat-num {
  font-size: clamp(32px, 3.4vw, 52px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--primary);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  margin: 8px 0 10px;
}
.stat-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.stat-meta .ok {
  color: #3B8F68;
}

.service-media {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  line-height: 0;
  box-shadow: var(--shadow);
}
.service-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.service-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(13, 43, 40, 0.46) 100%);
}
.service-media .media-caption {
  position: absolute;
  left: 18px;
  bottom: 14px;
  color: #fff;
  font-size: 13px;
  z-index: 1;
  letter-spacing: 0.02em;
}

.service-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 22px 20px 28px;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, border-color 0.2s ease-out;
}
.service-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.22s ease-out;
}
.service-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(20, 61, 58, 0.2);
}
.service-item:hover::before {
  opacity: 1;
}
.service-id {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-hover);
}
.service-id .id-line {
  display: inline-block;
  width: 14px;
  height: 1px;
  background: var(--accent);
}
.service-item h3 {
  font-size: 20px;
  line-height: 1.3;
  color: var(--primary-dark);
  margin: 10px 0 8px;
  font-weight: 700;
}
.service-item p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.7;
}
.service-more {
  display: inline-block;
  margin-top: 14px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary);
  transition: transform 0.2s ease, color 0.2s ease;
}
.service-item:hover .service-more {
  transform: translateX(4px);
  color: var(--accent-hover);
}
.service-item .arrow {
  margin-left: 4px;
}

/* ---------- compare ---------- */
.compare-wrap {
  background: #ffffff;
  border-top: 1px solid rgba(20, 61, 58, 0.06);
  border-bottom: 1px solid rgba(20, 61, 58, 0.06);
}
.compare-old {
  background: #F2F1EB;
  border: 1px solid rgba(20, 61, 58, 0.1);
  border-radius: 16px;
  padding: 24px;
  transition: transform 0.2s ease-out;
}
.compare-old .cmp-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #8A8274;
  display: inline-block;
  background: rgba(20, 61, 58, 0.06);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.compare-old h4 {
  font-size: 17px;
  color: #394A46;
  margin-bottom: 6px;
  font-weight: 700;
}
.compare-old p {
  color: #6D6A62;
  font-size: 14.5px;
}
.compare-new {
  background: var(--primary);
  border-radius: 16px;
  padding: 24px;
  color: #EFF6F4;
  box-shadow: 0 8px 24px rgba(13, 43, 40, 0.14);
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}
.compare-new .cmp-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #FFE7C4;
  background: rgba(255, 255, 255, 0.12);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.compare-new h4 {
  font-size: 17px;
  color: #fff;
  margin-bottom: 6px;
  font-weight: 700;
}
.compare-new p {
  color: rgba(233, 244, 241, 0.84);
  font-size: 14.5px;
}
.compare-old:hover,
.compare-new:hover {
  transform: translateY(-2px);
}
.compare-new:hover {
  box-shadow: 0 12px 28px rgba(13, 43, 40, 0.2);
}

.summary-bar {
  background: var(--primary-dark);
  border-radius: 20px;
  padding: 28px 32px;
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 40px;
}
.summary-bar .sum-label {
  color: rgba(232, 243, 240, 0.72);
  font-size: 14px;
}
.summary-bar .sum-value {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

/* ---------- faq ---------- */
.faq-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.2s ease-out, box-shadow 0.2s ease-out;
}
.faq-card + .faq-card {
  margin-top: 12px;
}
.faq-card[open] {
  border-color: rgba(20, 61, 58, 0.28);
  box-shadow: var(--shadow);
}
.faq-card summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  padding: 22px 26px;
  font-size: 17px;
  font-weight: 650;
  color: var(--text);
  transition: color 0.18s ease, background 0.18s ease;
  user-select: none;
}
.faq-card summary::-webkit-details-marker {
  display: none;
}
.faq-card summary:hover {
  background: #FAF9F5;
  color: var(--primary);
}
.faq-card[open] summary {
  color: var(--primary);
  background: #FAF9F5;
  border-bottom: 1px solid #F0EFEB;
}
.faq-icon {
  position: relative;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: rgba(20, 61, 58, 0.08);
  transition: background 0.2s ease, transform 0.2s ease;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 2px;
  background: var(--primary);
  transform: translate(-50%, -50%);
}
.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 0.2s ease;
}
.faq-card[open] .faq-icon {
  background: rgba(185, 138, 75, 0.18);
}
.faq-card[open] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}
.faq-answer {
  padding: 22px 28px 26px;
  color: #50625E;
  font-size: 15px;
  line-height: 1.8;
  background: #fff;
}
.faq-answer p + p {
  margin-top: 10px;
}

/* ---------- contact form ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(24px, 3vw, 40px);
  box-shadow: var(--shadow);
}
.form-label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 7px;
  display: block;
}
.form-input {
  display: block;
  width: 100%;
  border: 1px solid rgba(20, 61, 58, 0.18);
  border-radius: 10px;
  background: #fff;
  padding: 11px 14px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.45;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(20, 61, 58, 0.1);
}
.form-input::placeholder {
  color: #9CADA9;
}
.contact-point-list li {
  position: relative;
  padding-left: 26px;
  line-height: 1.7;
  color: var(--muted);
  font-size: 15px;
}
.contact-point-list li + li {
  margin-top: 12px;
}
.contact-point-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- cta band ---------- */
.cta-band {
  position: relative;
  background-color: var(--primary-dark);
  background-image: radial-gradient(1200px 420px at 20% -10%, rgba(185, 138, 75, 0.2), transparent 55%), url('/assets/images/backpic/back-4.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(13, 43, 40, 0.86);
}
.cta-band > .inner {
  position: relative;
  z-index: 1;
  padding-top: 72px;
  padding-bottom: 76px;
}

/* ---------- footer ---------- */
.site-footer {
  background: #091211;
  color: #8CA29D;
  font-size: 14px;
}
.site-footer a {
  color: #b2c6c1;
  transition: color 0.2s ease;
}
.site-footer a:hover {
  color: #fff;
}
.footer-logo {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.footer-logo .footer-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}
.footer-title {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #E5F0ED;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-links li + li {
  margin-top: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #6E8580;
  font-size: 13px;
  padding: 22px 0 26px;
}

/* ---------- reveal ---------- */
.will-reveal {
  opacity: 0;
  transform: translateY(18px);
}
.will-reveal.visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .will-reveal {
    opacity: 1;
    transform: none;
  }
}

/* roulang page: category1 */
:root {
  --primary: #143D3A;
  --primary-dark: #0D2B28;
  --primary-light: #1D524E;
  --accent: #B98A4B;
  --accent-hover: #A5763D;
  --bg: #F5F4F0;
  --card: #FFFFFF;
  --text: #1D2A29;
  --muted: #5A6E6A;
  --line: rgba(20, 61, 58, 0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 4px rgba(0,0,0,0.05), 0 10px 28px rgba(0,0,0,0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea, summary { font-family: inherit; font-size: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(185, 138, 75, 0.55);
  outline-offset: 2px;
}
.inner {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
/* 顶部工具条 */
.topbar {
  background: var(--primary-dark);
  color: rgba(235, 245, 242, 0.78);
  font-size: 13px;
}
.topbar a { color: rgba(235, 245, 242, 0.9); transition: color 0.2s ease; }
.topbar a:hover { color: #ffffff; }
/* 主导航 */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary);
}
.site-logo .logo-dot {
  width: 10px; height: 10px; border-radius: 9999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(185, 138, 75, 0.18);
}
.nav-link {
  position: relative;
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  color: #3E514D;
  padding: 28px 0;
  margin: 0 16px;
  transition: color 0.2s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--accent);
  transition: right 0.22s ease-out;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { right: 0; }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { right: 0; background: var(--accent); }
.menu-button {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
}
.menu-button span {
  display: block;
  width: 18px; height: 2px;
  background: var(--primary);
  margin: 3px 0;
}
.mobile-panel { display: none; border-top: 1px solid var(--line); background: #fff; }
.mobile-panel.open { display: block; }
.mobile-link {
  display: block;
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-dark);
  border-top: 1px solid #F1F4F2;
}
.mobile-link.active { color: var(--accent-hover); }
/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  border-radius: 10px;
  padding: 12px 24px;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.18s ease-out, box-shadow 0.18s ease-out, transform 0.18s ease-out, color 0.18s ease-out;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(20,61,58,0.16); }
.btn-outline { background: #fff; color: var(--primary); border-color: rgba(20,61,58,0.28); }
.btn-outline:hover { border-color: var(--primary); box-shadow: 0 6px 18px rgba(20,61,58,0.1); transform: translateY(-1px); }
.btn-gold { background: var(--accent); color: #10211F; border-color: var(--accent); }
.btn-gold:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(185,138,75,0.28); }
.btn-wide { width: 100%; }
.btn:active { transform: translateY(0); box-shadow: none; }
/* 分类页页头 */
.category-hero {
  position: relative;
  color: #fff;
  background-color: var(--primary-dark);
  background-image: linear-gradient(90deg, rgba(13,43,40,0.96), rgba(13,43,40,0.82) 55%, rgba(20,61,58,0.55)), url('/assets/images/backpic/back-2.jpg');
  background-size: cover;
  background-position: center;
}
.category-hero-inner {
  padding-top: clamp(52px, 6vw, 88px);
  padding-bottom: clamp(56px, 6vw, 84px);
}
.cat-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(230,241,238,0.72); margin-bottom: 24px; }
.cat-breadcrumb a { color: rgba(230,241,238,0.82); transition: color 0.2s ease; }
.cat-breadcrumb a:hover { color: #fff; }
.cat-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 999px;
  padding: 6px 14px 6px 12px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(238,246,243,0.95);
  margin-bottom: 20px;
}
.cat-eyebrow .accent-dot { width: 6px; height: 6px; background: var(--accent); border-radius: 999px; }
.category-hero h1 {
  font-size: clamp(2rem, 4.4vw, 3.6rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: #fff;
  margin: 0 0 20px;
  max-width: 760px;
}
.category-hero .hero-lead {
  color: rgba(233,244,241,0.9);
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  margin: 0 0 30px;
  max-width: 720px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero-note {
  font-size: 13px;
  color: rgba(230,241,238,0.68);
}
.status-flow-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 22px;
  padding: 26px 24px;
  backdrop-filter: blur(8px);
  color: #fff;
}
.status-flow-card .status-flow-title { font-size: 14px; font-weight: 600; letter-spacing: 0.04em; color: rgba(238,246,243,0.8); margin-bottom: 20px; }
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.flow-step { background: rgba(255,255,255,0.08); border-radius: 12px; padding: 14px 8px; text-align: center; }
.flow-step b { display: block; font-size: 13px; font-weight: 600; color: #fff; margin-bottom: 2px; }
.flow-step span { font-size: 11.5px; color: rgba(233,244,241,0.65); }
.flow-step.current { background: var(--accent); }
.flow-step.current b { color: #11211F; }
.flow-step.current span { color: rgba(17,33,31,0.75); }
/* 区块标题 */
.section-index {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-hover);
  margin-bottom: 10px;
}
.section-title { font-size: clamp(1.4rem, 2.2vw, 1.8rem); font-weight: 700; letter-spacing: -0.02em; color: var(--primary-dark); margin: 0 0 12px; }
.section-desc { color: var(--muted); font-size: 15px; margin: 0; max-width: 780px; }
/* 分类页纵向指南卡 */
.guide-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: clamp(24px, 2.6vw, 34px);
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.guide-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px;
  background: transparent;
  transition: background 0.2s ease;
}
.guide-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.guide-card:hover::before { background: var(--accent); }
.guide-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.guide-num { font-size: 14px; font-weight: 800; color: #fff; background: var(--primary); width: 42px; height: 42px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; letter-spacing: -0.02em; }
.guide-name { display: inline-flex; align-items: center; font-size: 13px; font-weight: 600; color: var(--accent-hover); background: rgba(185,138,75,0.12); border-radius: 999px; padding: 4px 12px; }
.guide-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--primary-dark); letter-spacing: -0.01em; margin: 4px 0 10px; }
.guide-card > p { color: var(--muted); font-size: 15px; margin: 0 0 17px; }
.guide-points { display: grid; gap: 9px; margin: 0; padding: 16px 0 0; border-top: 1px solid rgba(20,61,58,0.08); list-style: none; }
.guide-points li { position: relative; display: flex; align-items: flex-start; gap: 10px; color: #3C5350; font-size: 14px; }
.guide-points li::before { content: ""; flex: 0 0 auto; width: 6px; height: 6px; border-radius: 999px; background: var(--primary-light); margin-top: 9px; }
.guide-media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); background: #E9EDE8; }
.guide-media img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.guide-media figcaption { padding: 12px 16px; background: #fff; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
/* 右侧栏 */
.side-block { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 22px; box-shadow: var(--shadow); }
.side-title { font-size: 13px; font-weight: 700; letter-spacing: 0.08em; color: var(--primary); margin: 0 0 14px; }
.toc-list { display: grid; gap: 2px; }
.toc-link { display: flex; align-items: baseline; gap: 10px; padding: 8px 10px; border-radius: 10px; color: #38504C; font-size: 14px; transition: background 0.2s ease, color 0.2s ease; }
.toc-link:hover { background: rgba(20,61,58,0.06); color: var(--primary); }
.toc-link.current { background: rgba(20,61,58,0.07); color: var(--primary); font-weight: 600; }
.side-status .dot { display: inline-block; width: 8px; height: 8px; background: var(--accent); border-radius: 999px; box-shadow: 0 0 0 4px rgba(185,138,75,0.18); }
.side-status-row { margin-bottom: 16px; }
.side-status-row:last-child { margin-bottom: 0; }
.status-name { font-size: 14px; color: var(--text); }
.status-desc { font-size: 13px; color: var(--muted); }
.side-cta { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.side-cta p { color: rgba(233,245,242,0.78); }
.side-cta .btn-gold:hover { color: #10211F; }
/* 配套能力 */
.support-grid { display: grid; gap: 20px; }
.support-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 26px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.support-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.support-card .support-no { color: var(--accent); font-weight: 800; font-size: 13px; letter-spacing: 0.08em; }
.support-card h3 { color: var(--primary-dark); font-size: 1.1rem; margin: 6px 0 8px; font-weight: 700; }
.support-card p { color: var(--muted); font-size: 14px; margin: 0; }
/* FAQ */
.faq-area { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.faq-list { max-width: 840px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}
.faq-item[open] { box-shadow: var(--shadow); border-color: rgba(20,61,58,0.22); }
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  padding: 18px 22px;
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 15.5px;
  transition: background 0.2s ease, color 0.2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: rgba(20,61,58,0.035); }
.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  color: var(--accent);
  font-size: 20px;
  font-weight: 400;
  border-radius: 999px;
  border: 1px solid rgba(185,138,75,0.3);
  transition: transform 0.22s ease, background 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); background: var(--accent); color: #fff; border-color: var(--accent); }
.faq-item[open] summary { color: var(--primary); }
.faq-body { padding: 0 22px 22px; color: var(--muted); font-size: 14.5px; }
.faq-body p { margin: 4px 0 0; }
/* 底部 CTA */
.bottom-cta { background: var(--primary-dark); color: #fff; }
.bottom-cta h2 { color: #fff; font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin: 0 0 12px; font-weight: 800; letter-spacing: -0.02em; }
.bottom-cta p { color: rgba(233,244,241,0.82); max-width: 640px; margin: 0 auto; }
/* 页脚 */
.site-footer { background: var(--primary-dark); color: rgba(230,242,239,0.74); }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 26px; font-weight: 800; color: #fff; letter-spacing: -0.02em; }
.footer-logo .footer-dot { width: 9px; height: 9px; background: var(--accent); border-radius: 999px; box-shadow: 0 0 0 4px rgba(185,138,75,0.18); }
.footer-title { font-size: 14px; font-weight: 700; color: #fff; margin: 0 0 12px; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer-links a { color: rgba(230,242,239,0.72); font-size: 14px; transition: color 0.2s ease; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(230,242,239,0.12); color: rgba(211,230,225,0.52); font-size: 13px; }
@media (max-width: 1024px) {
  .desktop-nav { display: none !important; }
}
@media (max-width: 768px) {
  .category-hero-inner { padding-top: 44px; padding-bottom: 48px; }
  .flow-steps { grid-template-columns: repeat(4, 1fr); overflow-x: auto; }
}
@media (max-width: 520px) {
  .inner { padding-left: 18px; padding-right: 18px; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .guide-top { flex-wrap: wrap; }
  .hero-actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}