/* roulang page: index */
:root {
  --primary: #0B6E4F;
  --primary-dark: #084D37;
  --accent: #F2693D;
  --accent-dark: #D95926;
  --lime: #D8F36A;
  --bg: #F6F7F4;
  --white: #FFFFFF;
  --ink: #1F2933;
  --muted: #5F6B7A;
  --line: #E3E8E4;
  --dark: #10241E;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-full: 999px;
  --shadow: 0 4px 24px rgba(16, 36, 30, 0.08);
  --shadow-lg: 0 8px 32px rgba(16, 36, 30, 0.14);
  --transition: .2s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a, img, button, input {
  transition: all var(--transition);
}

a {
  color: var(--primary);
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 96px 0;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(11, 110, 79, 0.08);
  color: var(--primary);
  font-size: .8125rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  letter-spacing: .04em;
}

.section-tag i {
  font-size: .75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
  margin: 0 0 16px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- Dock 导航 ---------- */
.nav-dock {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 20px;
  pointer-events: none;
}

.dock-bar {
  pointer-events: auto;
  width: 100%;
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-full);
  padding: 8px 12px 8px 20px;
  box-shadow: 0 8px 32px rgba(16, 36, 30, 0.10);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink);
  white-space: nowrap;
}

.site-logo i {
  color: var(--accent);
  font-size: 1.4rem;
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--radius-full);
  color: var(--muted);
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(11, 110, 79, 0.08);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(11, 110, 79, 0.12);
  font-weight: 600;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
  padding: 9px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: .875rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(242, 105, 61, 0.3);
}

.nav-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: none;
  background: rgba(11, 110, 79, 0.08);
  color: var(--ink);
  border-radius: var(--radius-full);
  font-size: 1.2rem;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, rgba(16, 36, 30, 0.86), rgba(8, 52, 40, 0.76)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  color: #fff;
  padding: 150px 20px 100px;
}

.hero-inner {
  max-width: 860px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(216, 243, 106, 0.14);
  border: 1px solid rgba(216, 243, 106, 0.35);
  color: var(--lime);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: .8125rem;
  letter-spacing: .06em;
}

.hero-title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  line-height: 1.18;
  margin: 24px 0 18px;
  font-weight: 700;
  color: #fff;
}

.hero-title span {
  color: var(--lime);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.84);
  max-width: 600px;
  margin: 0 auto 38px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 26px;
  min-height: 46px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9375rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 18px rgba(242, 105, 61, 0.3);
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(242, 105, 61, 0.36);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.75);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: .8125rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  letter-spacing: .08em;
}

.hero-scroll i {
  color: var(--lime);
}

/* ---------- 卖点区 Z 字形 ---------- */
.feature-row {
  display: flex;
  align-items: center;
  gap: 56px;
  margin-bottom: 88px;
}

.feature-row.reverse {
  flex-direction: row-reverse;
}

.feature-row:last-child {
  margin-bottom: 0;
}

.feature-media {
  flex: 1;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}

.feature-media img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
}

.feature-media::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(16, 36, 30, 0.02), rgba(16, 36, 30, 0.18));
  pointer-events: none;
}

.feature-text {
  flex: 1;
  padding: 20px 0;
}

.feature-text h3 {
  font-size: 1.625rem;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--ink);
  line-height: 1.3;
}

.feature-text p {
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.85;
  margin-bottom: 20px;
}

.feature-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--primary);
  background: rgba(11, 110, 79, 0.08);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .875rem;
  color: var(--primary);
}

.feature-link:hover {
  gap: 12px;
  color: var(--accent);
}

/* ---------- 演示区 ---------- */
.showcase-section {
  background: var(--white);
}

.showcase-wrap {
  max-width: 980px;
  margin: 0 auto;
}

.browser-frame {
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: #fafbf8;
}

.browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d8dde0;
}

.browser-dot:first-child {
  background: #f2693d;
}

.browser-dot:nth-child(2) {
  background: #d8f36a;
}

.browser-dot:nth-child(3) {
  background: #0b6e4f;
}

.browser-content {
  padding: 24px;
  background: linear-gradient(135deg, #f8fbf7, #eef4ee);
}

.browser-content img {
  border-radius: var(--radius-sm);
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: cover;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
  justify-content: center;
}

.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f6f7f4;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: .8125rem;
  font-weight: 500;
}

.feature-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(216, 243, 106, 0.25);
}

/* ---------- 证据区 ---------- */
.evidence-section {
  background: var(--dark);
  color: #fff;
  padding: 96px 0;
}

.evidence-section .section-tag {
  background: rgba(216, 243, 106, 0.12);
  color: var(--lime);
}

.evidence-section .section-title {
  color: #fff;
}

.evidence-section .section-subtitle {
  color: rgba(255, 255, 255, 0.65);
}

.stat-grid {
  display: flex;
  gap: 32px;
  margin-bottom: 56px;
}

.stat-item {
  flex: 1;
  padding: 32px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  text-align: center;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}

.stat-label {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: .875rem;
}

.testimonial-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 12px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.testimonial-card {
  flex: 0 0 320px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 28px;
  color: #fff;
}

.testimonial-card p {
  color: rgba(255, 255, 255, 0.8);
  font-size: .9375rem;
  line-height: 1.75;
  margin-bottom: 16px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.6);
  font-size: .8125rem;
}

.testimonial-author i {
  color: var(--lime);
  font-size: 1.2rem;
}

/* ---------- 价格区 ---------- */
.pricing-section {
  background: var(--bg);
}

.pricing-grid {
  display: flex;
  align-items: stretch;
  gap: 24px;
  justify-content: center;
}

.pricing-card {
  flex: 1;
  max-width: 360px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px 32px;
  box-shadow: var(--shadow);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  background: var(--dark);
  color: #fff;
  padding: 52px 36px;
  transform: scale(1.04);
  box-shadow: 0 20px 50px rgba(16, 36, 30, 0.25);
}

.badge-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 14px rgba(242, 105, 61, 0.3);
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 2.25rem;
  font-weight: 700;
  margin: 18px 0 4px;
  color: var(--accent);
}

.pricing-note {
  font-size: .8125rem;
  color: var(--muted);
  margin-bottom: 28px;
}

.pricing-card.featured .pricing-note {
  color: rgba(255, 255, 255, 0.6);
}

.pricing-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.pricing-list li {
  display: flex;
  gap: 10px;
  font-size: .875rem;
  line-height: 1.5;
}

.pricing-list i {
  color: var(--lime);
  font-size: .8125rem;
  margin-top: 3px;
}

.pricing-card.featured .pricing-list i {
  color: var(--lime);
}

.pricing-list li.not {
  opacity: .55;
}

.pricing-list li.not i {
  color: var(--muted);
}

.pricing-btn {
  margin-top: auto;
  display: flex;
}

/* ---------- 最新信息 ---------- */
.news-section {
  background: var(--white);
}

.news-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
}

.news-sidebar .section-tag {
  margin-bottom: 12px;
}

.news-sidebar h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.25;
}

.news-sidebar p {
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.75;
  margin-bottom: 24px;
}

.news-sidebar .btn {
  width: 100%;
}

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

.news-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 20px;
  padding: 18px 12px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  min-height: 5rem;
  transition: var(--transition);
}

.news-item:hover {
  background: rgba(11, 110, 79, 0.04);
  padding-left: 20px;
}

.news-cat {
  display: inline-flex;
  align-items: center;
  background: rgba(11, 110, 79, 0.08);
  color: var(--primary);
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.news-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.news-title {
  font-weight: 600;
  font-size: .9375rem;
  line-height: 1.45;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-summary {
  color: var(--muted);
  font-size: .8125rem;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-time {
  color: var(--muted);
  font-size: .8125rem;
  white-space: nowrap;
}

.news-arrow {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(11, 110, 79, 0.08);
  color: var(--primary);
  border-radius: 50%;
  font-size: .875rem;
}

.news-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--muted);
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.news-empty i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
  opacity: .5;
}

.news-empty p {
  margin: 0;
  font-size: .9375rem;
}

/* ---------- FAQ ---------- */
.faq-section {
  background: var(--bg);
}

.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background: #fff;
  border-radius: 14px;
  margin-bottom: 16px;
  border: 1px solid transparent;
  overflow: hidden;
}

.accordion-item.open {
  background: #fff;
  border-color: rgba(11, 110, 79, 0.2);
  box-shadow: var(--shadow);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--ink);
  user-select: none;
  position: relative;
}

.accordion-header::before {
  content: '';
  width: 3px;
  height: 0;
  background: var(--primary);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 2px;
  transition: height .25s ease;
}

.accordion-item.open .accordion-header::before {
  height: 24px;
}

.accordion-icon {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(11, 110, 79, 0.08);
  color: var(--primary);
  font-size: .875rem;
  transition: transform .25s ease;
}

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

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}

.accordion-content {
  padding: 0 24px 24px;
  color: var(--muted);
  font-size: .9375rem;
  line-height: 1.8;
}

/* ---------- CTA ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--accent), #f48a5a);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 90px 0;
}

.cta-section::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 740px;
  margin: 0 auto;
  padding: 0 20px;
}

.cta-inner h2 {
  font-size: clamp(1.875rem, 3.2vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 18px;
}

.cta-inner p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 36px;
  line-height: 1.75;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-white {
  background: #fff;
  color: var(--accent);
}

.btn-white:hover {
  background: #f5f5f5;
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.24);
  transform: translateY(-2px);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--dark);
  color: #C9D4CE;
  padding-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand .site-logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: .875rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.footer-col h4 {
  color: #fff;
  font-size: .9375rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.55);
  font-size: .875rem;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--lime);
  padding-left: 4px;
}

.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  font-size: .875rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.footer-contact i {
  color: var(--lime);
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  text-align: center;
  font-size: .8125rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom span {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 浮动 CTA ---------- */
.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 8px 24px rgba(242, 105, 61, 0.4);
  z-index: 90;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.floating-cta:hover {
  background: var(--accent-dark);
  transform: scale(1.08);
}

.floating-cta span {
  font-size: .75rem;
  font-weight: 700;
  margin-left: 2px;
}

/* ---------- 表单 ---------- */
.input-group {
  margin-bottom: 16px;
}

.input-group label {
  display: block;
  font-size: .8125rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}

.form-input,
.input-group input,
.input-group textarea {
  width: 100%;
  height: 48px;
  background: #fff;
  border: 1px solid #D0D7D2;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: .9375rem;
  color: var(--ink);
  outline: none;
  transition: var(--transition);
}

.input-group textarea {
  height: 120px;
  resize: vertical;
}

.form-input:focus,
.input-group input:focus,
.input-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11, 110, 79, 0.15);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .section {
    padding: 72px 0;
  }

  .feature-row {
    gap: 36px;
  }

  .pricing-grid {
    gap: 16px;
  }

  .pricing-card.featured {
    transform: scale(1.02);
  }

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

@media (max-width: 768px) {
  .nav-dock {
    top: 12px;
    padding: 0 14px;
  }

  .dock-bar {
    border-radius: 24px;
    padding: 8px 14px;
  }

  .site-logo {
    font-size: .9375rem;
  }

  .nav-links {
    position: fixed;
    top: 76px;
    left: 14px;
    right: 14px;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    display: none;
    gap: 4px;
    border: 1px solid var(--line);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 16px;
    border-radius: 12px;
    justify-content: center;
  }

  .nav-cta {
    margin-left: 0;
    justify-content: center;
  }

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

  .hero {
    min-height: 80vh;
    padding: 120px 20px 80px;
  }

  .feature-row,
  .feature-row.reverse {
    flex-direction: column;
    gap: 24px;
    margin-bottom: 60px;
  }

  .feature-media img {
    min-height: 220px;
  }

  .stat-grid {
    flex-direction: column;
    gap: 16px;
  }

  .stat-item {
    padding: 20px;
  }

  .pricing-grid {
    flex-direction: column;
  }

  .pricing-card,
  .pricing-card.featured {
    max-width: 100%;
    transform: none;
  }

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

  .news-item {
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    padding: 16px 8px;
  }

  .news-summary {
    display: none;
  }

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

  .floating-cta {
    width: 48px;
    height: 48px;
    font-size: 1rem;
    right: 16px;
    bottom: 16px;
  }

  .floating-cta span {
    display: none;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 56px 0;
  }

  .dock-bar {
    gap: 8px;
  }

  .site-logo i {
    display: none;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
  }

  .news-item {
    grid-template-columns: 1fr auto;
    min-height: auto;
  }

  .news-cat {
    justify-self: start;
  }

  .news-time {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .news-arrow {
    display: none;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0B6E4F;
  --primary-dark: #084D37;
  --primary-light: #E6F2EE;
  --accent: #F2693D;
  --accent-dark: #D95926;
  --lime: #D8F36A;
  --bg-warm: #F6F7F4;
  --bg-white: #FFFFFF;
  --dark: #10241E;
  --dark-soft: #1A322A;
  --text-main: #1F2933;
  --text-sub: #5F6B7A;
  --border: #E3E8E4;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --shadow-soft: 0 4px 24px rgba(16, 36, 30, 0.08);
  --shadow-hover: 0 8px 32px rgba(16, 36, 30, 0.14);
  --transition: 0.2s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-main);
  background-color: var(--bg-warm);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

/* ===== 浮动 Dock 导航 ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  pointer-events: none;
  padding: 0 20px;
}

.site-header .nav-dock {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 24px rgba(16,36,30,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  pointer-events: all;
  transition: box-shadow var(--transition);
}

.site-header .nav-dock:hover {
  box-shadow: var(--shadow-hover);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--dark);
  white-space: nowrap;
}

.site-logo i {
  color: var(--primary);
  font-size: 1.25rem;
}

.site-logo span {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}

.nav-links .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-main);
  transition: background var(--transition), color var(--transition);
}

.nav-links .nav-link i {
  font-size: 0.875rem;
  color: var(--text-sub);
  transition: color var(--transition);
}

.nav-links .nav-link:hover {
  color: var(--primary);
  background: rgba(11, 110, 79, 0.08);
}

.nav-links .nav-link.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(11, 110, 79, 0.12);
  position: relative;
}

.nav-links .nav-link.active i {
  color: var(--primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 10px 22px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  margin-left: 8px;
}

.nav-cta:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 105, 61, 0.35);
}

.nav-cta:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* 汉堡菜单（移动端） */
.header-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  border-radius: 12px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--dark);
  transition: background var(--transition);
}

.header-toggle:hover {
  background: rgba(0,0,0,0.06);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.98);
  z-index: 999;
  padding: 100px 24px 40px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  padding: 16px 20px;
  border-radius: 12px;
  font-size: 1.0625rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border);
  background: #fff;
}

.mobile-menu a.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.mobile-menu .mobile-cta {
  margin-top: 20px;
  display: inline-flex;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 16px;
  border-radius: 12px;
  font-weight: 600;
}

@media (max-width: 1024px) {
  .nav-links .nav-link {
    padding: 8px 12px;
    font-size: 0.875rem;
  }
  .nav-links .nav-link i {
    display: none;
  }
  .nav-cta {
    padding: 10px 16px;
    font-size: 0.875rem;
  }
}

@media (max-width: 768px) {
  .site-header {
    top: 12px;
    padding: 0 16px;
  }
  .site-header .nav-dock {
    padding: 10px 16px;
  }
  .nav-links {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .header-toggle {
    display: inline-flex;
  }
}

/* ===== Hero 横幅 ===== */
.cat-hero {
  position: relative;
  padding: 180px 0 100px;
  background: linear-gradient(135deg, var(--dark) 0%, #15352A 60%, #1D4436 100%);
  overflow: hidden;
}

.cat-hero .hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.45;
}

.cat-hero .hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(16,36,30,0.92) 0%, rgba(16,36,30,0.75) 60%, rgba(16,36,30,0.35) 100%);
}

.cat-hero .hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.cat-hero .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(216, 243, 106, 0.15);
  border: 1px solid rgba(216, 243, 106, 0.4);
  color: var(--lime);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  user-select: none;
}

.cat-hero h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.cat-hero h1 .accent-text {
  color: var(--lime);
  position: relative;
}

.cat-hero .hero-sub {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 32px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  padding: 14px 28px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 44px;
}

.btn:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(242, 105, 61, 0.35);
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(242, 105, 61, 0.4);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.6);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: #fff;
  transform: translateY(-3px);
}

/* Hero 数据条 */
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.15);
  flex-wrap: wrap;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat-item .stat-num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--lime);
}

.hero-stat-item .stat-label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
}

/* ===== 目录 + 内容双栏 ===== */
.cat-layout {
  padding: 80px 0;
}

.cat-layout .row {
  display: flex;
  gap: 40px;
}

.cat-sidebar {
  flex: 0 0 260px;
  align-self: flex-start;
  position: sticky;
  top: 100px;
  background: var(--bg-white);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  padding: 24px;
}

.cat-sidebar .sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cat-sidebar .sidebar-title i {
  color: var(--primary);
}

.cat-sidebar .toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cat-sidebar .toc-list li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-pill);
  background: var(--bg-warm);
  color: var(--text-main);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.cat-sidebar .toc-list li a i {
  width: 18px;
  text-align: center;
  color: var(--text-sub);
  transition: color var(--transition);
}

.cat-sidebar .toc-list li a:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: rgba(11,110,79,0.15);
}

.cat-sidebar .toc-list li a:hover i {
  color: var(--primary);
}

.cat-sidebar .toc-list li a.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(11,110,79,0.25);
}

.cat-sidebar .toc-list li a.active i {
  color: #fff;
}

.cat-main {
  flex: 1;
  min-width: 0;
}

/* ===== 章节卡片 ===== */
.toc-section {
  scroll-margin-top: 120px;
  margin-bottom: 48px;
}

.toc-section .section-card {
  background: var(--bg-white);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.section-card .section-body {
  padding: 32px;
}

.section-card .section-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.section-card .section-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary);
  flex-shrink: 0;
}

.section-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0;
}

.section-card .section-sub {
  font-size: 0.9375rem;
  color: var(--text-sub);
  margin-top: 4px;
}

.section-card p.lead {
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.8;
  margin-bottom: 20px;
}

.toc-section .section-card .section-img {
  border-radius: 12px;
  overflow: hidden;
  margin: 20px 0;
}

.toc-section .section-card .section-img img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 12px;
}

/* 特色列表 */
.feature-list {
  list-style: none;
  margin: 16px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: var(--bg-warm);
  border-radius: 12px;
  font-size: 0.9375rem;
  color: var(--text-main);
  line-height: 1.5;
}

.feature-list li i {
  color: var(--primary);
  margin-top: 4px;
  font-size: 0.875rem;
}

/* 流程列表 */
.flow-steps {
  counter-reset: step;
  padding: 0;
  margin: 20px 0;
  list-style: none;
}

.flow-steps li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  counter-increment: step;
}

.flow-steps li:last-child {
  border-bottom: none;
}

.flow-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid var(--primary);
}

.flow-steps li h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.flow-steps li p {
  font-size: 0.875rem;
  color: var(--text-sub);
  line-height: 1.6;
}

/* 提示框 */
.info-panel {
  display: flex;
  gap: 12px;
  background: var(--primary-light);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 24px 0;
  align-items: flex-start;
}

.info-panel i {
  color: var(--primary);
  margin-top: 4px;
  font-size: 1rem;
}

.info-panel p {
  font-size: 0.875rem;
  color: var(--text-main);
  line-height: 1.6;
  margin: 0;
}

.info-panel.warn {
  background: #FFF4E8;
}

.info-panel.warn i {
  color: var(--accent);
}

/* ===== CTA 区 ===== */
.section-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--accent) 0%, #E8501E 100%);
  position: relative;
  overflow: hidden;
}

.section-cta::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}

.section-cta::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 30px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 32px;
  line-height: 1.8;
}

.cta-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-btns .btn-white {
  background: #fff;
  color: var(--accent);
}

.cta-btns .btn-white:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.cta-btns .btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid #fff;
}

.cta-btns .btn-outline:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  transform: translateY(-3px);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: #C9D4CE;
  padding: 72px 0 0;
  font-size: 0.9375rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .site-logo {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.footer-brand .site-logo i {
  color: var(--lime);
}

.footer-brand p {
  color: #8FA39A;
  line-height: 1.8;
  margin: 16px 0 0;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

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

.footer-col ul li a {
  color: #C9D4CE;
  font-size: 0.9375rem;
  transition: color var(--transition);
  position: relative;
}

.footer-col ul li a:hover {
  color: var(--lime);
  padding-left: 6px;
}

.footer-col ul li a::before {
  display: none;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #C9D4CE;
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-contact li i {
  color: var(--lime);
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  color: #7A9287;
  font-size: 0.8125rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom span {
  color: #A5BBB0;
}

/* ===== 悬浮 CTA ===== */
.float-cta {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(242, 105, 61, 0.4);
  cursor: pointer;
  border: none;
  z-index: 999;
  transition: all var(--transition);
}

.float-cta:hover {
  transform: scale(1.1) translateY(-4px);
  background: var(--accent-dark);
  box-shadow: 0 12px 40px rgba(242, 105, 61, 0.5);
}

.float-cta i {
  font-size: 1.375rem;
}

.float-cta .tooltip {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--dark);
  color: #fff;
  font-size: 0.8125rem;
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.float-cta:hover .tooltip {
  opacity: 1;
  visibility: visible;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .cat-layout .row {
    flex-direction: column;
    gap: 32px;
  }
  .cat-sidebar {
    position: static;
    flex: auto;
    width: 100%;
    overflow-x: auto;
  }
  .cat-sidebar .toc-list {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .cat-sidebar .toc-list li {
    flex-shrink: 0;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 48px 0;
  }
  .cat-hero {
    padding: 140px 0 60px;
  }
  .hero-stats {
    gap: 24px;
    margin-top: 32px;
    padding-top: 24px;
  }
  .feature-list {
    grid-template-columns: 1fr;
  }
  .section-card .section-body {
    padding: 20px;
  }
  .cta-inner h2 {
    font-size: 1.75rem;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .cat-hero .hero-inner h1 {
    font-size: 2rem;
  }
  .hero-btns {
    flex-direction: column;
    width: 100%;
  }
  .hero-btns .btn {
    width: 100%;
    justify-content: center;
  }
  .cat-hero .hero-sub {
    font-size: 1rem;
  }
  .hero-stat-item .stat-num {
    font-size: 1.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .float-cta {
    width: 48px;
    height: 48px;
    right: 20px;
    bottom: 20px;
    font-size: 1rem;
  }
  .float-cta i {
    font-size: 1.125rem;
  }
}

/* Foundation 修正 */
.row {
  max-width: 1200px;
}

.column, .columns {
  padding-left: 12px;
  padding-right: 12px;
}

/* roulang page: article */
:root {
  --primary: #0B6E4F;
  --primary-dark: #08573E;
  --accent: #F2693D;
  --accent-dark: #D95926;
  --neon: #D8F36A;
  --bg: #F6F7F4;
  --white: #FFFFFF;
  --dark: #10241E;
  --text: #1F2933;
  --text-muted: #5F6B7A;
  --border: #E3E8E4;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 4px 24px rgba(16,36,30,0.08);
  --shadow-hover: 0 8px 32px rgba(16,36,30,0.14);
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: var(--primary); transition: color .2s ease; }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
button, input, textarea { font-family: inherit; font-size: inherit; }

/* ===== 顶部悬浮 Dock 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 16px 20px 0;
  pointer-events: none;
}
.nav-dock {
  max-width: var(--container);
  width: 100%;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: 999px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px 10px 24px;
  pointer-events: auto;
  transition: box-shadow .3s ease;
}
.nav-dock:hover { box-shadow: var(--shadow-hover); }
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  white-space: nowrap;
}
.site-logo i {
  color: var(--primary);
  font-size: 1.35rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
  transition: background .2s ease, color .2s ease;
  white-space: nowrap;
}
.nav-link i { font-size: .9rem; color: var(--text-muted); transition: color .2s ease; }
.nav-link:hover { background: rgba(11,110,79,.06); color: var(--primary); }
.nav-link:hover i { color: var(--primary); }
.nav-link.active {
  background: var(--primary);
  color: #fff;
}
.nav-link.active i { color: #fff; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  padding: 10px 20px;
  border-radius: 999px;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(242,105,61,.35); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.4rem; color: var(--dark); cursor: pointer; padding: 6px; }

/* ===== 文章 Hero 区 ===== */
.article-hero {
  position: relative;
  padding: 150px 0 60px;
  background: var(--dark);
  overflow: hidden;
}
.article-hero .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .35;
}
.article-hero .hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16,36,30,.92) 0%, rgba(16,36,30,.74) 50%, rgba(16,36,30,.55) 100%);
}
.article-hero .container { position: relative; z-index: 2; }
.article-title {
  color: #fff;
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.3;
  max-width: 860px;
  margin-bottom: 18px;
  letter-spacing: .01em;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  background: rgba(255,255,255,.08);
  border-radius: 999px;
  padding: 10px 22px;
  margin-bottom: 24px;
  font-size: .9rem;
  color: rgba(255,255,255,.65);
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.06);
}
.breadcrumb::-webkit-scrollbar { display: none; }
.breadcrumb a { color: rgba(255,255,255,.8); transition: color .2s ease; white-space: nowrap; }
.breadcrumb a:hover { color: var(--neon); }
.breadcrumb .sep { color: rgba(255,255,255,.35); }
.breadcrumb .current { color: rgba(255,255,255,.95); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 320px; }
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,.78);
  font-size: .9rem;
  background: rgba(255,255,255,.06);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.06);
}
.meta-item i { color: var(--neon); font-size: .85rem; }
.article-summary {
  color: rgba(255,255,255,.72);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 760px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 正文阅读区 ===== */
.article-main { padding: 60px 0 40px; background: var(--bg); }
.article-body {
  max-width: 760px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px 56px;
  border: 1px solid var(--border);
  line-height: 1.8;
  letter-spacing: .01em;
  font-size: 1rem;
  color: var(--text);
}
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin: 38px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin: 28px 0 12px;
}
.article-body p { margin-bottom: 18px; }
.article-body img {
  border-radius: 12px;
  border: 1px solid var(--border);
  margin: 24px 0;
  width: 100%;
  height: auto;
}
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg);
  padding: 16px 22px;
  font-style: italic;
  color: var(--text-muted);
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
}
.article-body ul, .article-body ol { margin: 16px 0 20px; padding-left: 24px; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.article-body a:hover { text-decoration-thickness: 2px; color: var(--accent); }
.article-body table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.article-body table th, .article-body table td { padding: 10px 14px; border: 1px solid var(--border); text-align: left; }
.article-body table th { background: var(--bg); font-weight: 600; }

.article-empty {
  text-align: center;
  padding: 80px 20px;
}
.article-empty i {
  font-size: 3rem;
  color: var(--border);
  display: block;
  margin-bottom: 20px;
}
.article-empty p { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 24px; }

/* ===== 相关推荐 ===== */
.related-section { padding: 70px 0; background: var(--bg); border-top: 1px solid var(--border); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 42px;
  gap: 16px;
  flex-wrap: wrap;
}
.eyebrow {
  display: inline-block;
  background: var(--neon);
  color: var(--dark);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .05em;
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--border);
  transition: all .2s ease;
  font-size: .95rem;
}
.back-link:hover { background: rgba(11,110,79,.06); border-color: var(--primary); transform: translateX(-3px); }
.related-grid {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  align-items: flex-start;
}
.related-card {
  display: block;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
  width: calc(50% - 12px);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card:nth-child(2) { width: calc(45% - 12px); margin-top: 24px; }
.related-card:nth-child(3) { width: calc(50% - 12px); margin-top: 12px; }
.related-img { overflow: hidden; aspect-ratio: 16/9; }
.related-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.related-card:hover .related-img img { transform: scale(1.04); }
.related-info { padding: 24px; }
.tag {
  display: inline-block;
  background: rgba(11,110,79,.08);
  color: var(--primary);
  font-size: .8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.related-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.45;
  margin-bottom: 10px;
}
.related-info p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-date {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .82rem;
  color: var(--text-muted);
}

/* ===== CTA 区 ===== */
.cta-section {
  padding: 78px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #08573E 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -20%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(216,243,106,.14) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.cta-text h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}
.cta-text p { color: rgba(255,255,255,.82); font-size: 1rem; max-width: 480px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  outline: none;
  border: 1.5px solid transparent;
  line-height: 1;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(242,105,61,.35); }
.btn-primary:focus { box-shadow: 0 0 0 3px rgba(11,110,79,.35); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.65); }
.btn-outline:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; transform: translateY(-2px); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: #C9D4CE;
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 44px;
}
.footer-brand .site-logo { color: #fff; font-size: 1.2rem; margin-bottom: 16px; }
.footer-brand .site-logo i { color: var(--neon); }
.footer-brand p { color: rgba(255,255,255,.65); font-size: .9rem; line-height: 1.7; margin-top: 14px; }
.footer-col h4 {
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: .04em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul a {
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  transition: color .2s ease, padding-left .2s ease;
  padding: 2px 0;
}
.footer-col ul a:hover { color: var(--neon); padding-left: 5px; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  white-space: nowrap;
  flex-wrap: wrap;
}
.footer-contact i { color: var(--neon); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  text-align: center;
  color: rgba(255,255,255,.5);
  font-size: .85rem;
}

/* ===== 浮动 CTA 圆形按钮 ===== */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 8px 28px rgba(242,105,61,.4);
  z-index: 999;
  transition: transform .2s ease, background .2s ease;
}
.float-cta:hover { background: var(--accent-dark); color: #fff; transform: translateY(-3px) scale(1.04); }

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  .nav-dock { padding: 10px 16px 10px 20px; }
  .nav-link { padding: 8px 12px; font-size: .9rem; }
  .nav-cta { padding: 9px 16px; font-size: .9rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: fixed;
    top: 76px;
    left: 20px;
    right: 20px;
    flex-direction: column;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 18px;
    box-shadow: 0 20px 50px rgba(16,36,30,.16);
    border: 1px solid var(--border);
    align-items: stretch;
    gap: 8px;
  }
  .nav-links.open { display: flex; }
  .nav-link { justify-content: center; padding: 13px 16px; font-size: 1rem; }
  .nav-cta { justify-content: center; margin-top: 8px; }
  .article-hero { padding: 130px 0 48px; }
  .article-body { padding: 32px 26px; }
  .related-grid { gap: 16px; }
  .related-card, .related-card:nth-child(2), .related-card:nth-child(3) { width: 100%; margin-top: 0; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .float-cta { width: 48px; height: 48px; font-size: 1.1rem; right: 18px; bottom: 18px; }
  .breadcrumb { padding: 8px 16px; font-size: .85rem; }
  .article-title { font-size: 1.7rem; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .nav-dock { padding: 8px 14px 8px 16px; }
  .site-logo { font-size: 1rem; gap: 7px; }
  .site-logo i { font-size: 1.15rem; }
  .article-body { padding: 24px 20px; border-radius: 12px; }
  .article-hero { padding-top: 120px; }
  .related-info { padding: 20px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* roulang page: category2 */
:root{
  --primary:#0B6E4F;
  --primary-dark:#08553D;
  --accent:#F2693D;
  --accent-dark:#D95926;
  --light:#D8F36A;
  --bg:#F6F7F4;
  --white:#FFFFFF;
  --dark:#10241E;
  --text:#1F2933;
  --muted:#5F6B7A;
  --border:#E3E8E4;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 4px 24px rgba(16,36,30,0.08);
  --shadow-lg:0 8px 32px rgba(16,36,30,0.14);
  --transition:0.2s ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:1rem;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section-header{text-align:center;max-width:680px;margin:0 auto 52px}
.section-eyebrow{
  display:inline-block;background:rgba(11,110,79,.1);
  color:var(--primary);border-radius:999px;
  padding:5px 16px;font-size:.8125rem;font-weight:600;
  letter-spacing:.04em;margin-bottom:14px;
}
.section-eyebrow.light{background:rgba(216,243,106,.14);color:var(--light)}
.section-header h2{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;color:var(--text);line-height:1.25;margin-bottom:12px}
.section-header p{font-size:1rem;color:var(--muted);max-width:560px;margin:0 auto}
.site-header{position:fixed;top:16px;left:0;right:0;z-index:100;padding:0 20px}
.dock-nav{
  max-width:1200px;margin:0 auto;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  box-shadow:var(--shadow);
  padding:12px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.site-brand{display:inline-flex;align-items:center;gap:10px;font-size:1.125rem;font-weight:700;color:var(--text);white-space:nowrap}
.site-brand i{color:var(--primary);font-size:1.25rem}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:999px;
  font-size:.9375rem;font-weight:500;color:var(--muted);
  border:1.5px solid transparent;
}
.nav-link i{font-size:.875rem}
.nav-link:hover{color:var(--primary);background:rgba(11,110,79,.08)}
.nav-link.active{color:var(--primary);background:rgba(11,110,79,.10);font-weight:600}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--accent);color:#fff;border-radius:999px;
  padding:10px 22px;font-weight:600;font-size:.9375rem;
  border:1.5px solid var(--accent);
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition);
}
.nav-cta:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:none;border-radius:50%;background:var(--primary);color:#fff;cursor:pointer;font-size:1.1rem;transition:background var(--transition)}
.nav-toggle:hover{background:var(--primary-dark)}
.mobile-menu{display:none;position:fixed;top:76px;left:20px;right:20px;background:#fff;border-radius:20px;box-shadow:var(--shadow-lg);padding:24px;z-index:99;flex-direction:column;gap:10px}
.mobile-menu.open{display:flex}
.mobile-menu .nav-link{padding:12px 16px;font-size:1rem}
.mobile-menu .nav-cta{justify-content:center;margin-top:8px}
.category-hero{
  min-height:580px;
  display:flex;align-items:flex-end;
  padding:140px 0 90px;
  background:
    linear-gradient(120deg,rgba(16,36,30,.78) 0%,rgba(16,36,30,.62) 50%,rgba(11,110,79,.45) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.875rem;color:rgba(255,255,255,.7)}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:var(--light)}
.category-hero h1{font-size:clamp(2.25rem,4.5vw,3.5rem);color:#fff;font-weight:700;margin:16px 0 14px;line-height:1.15}
.category-hero .lead{font-size:1.125rem;color:rgba(255,255,255,.9);max-width:640px;line-height:1.8}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;padding:13px 28px;
  font-size:1rem;font-weight:600;
  line-height:1;min-height:48px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:all var(--transition);
}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-outline{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);backdrop-filter:blur(4px)}
.btn-outline:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#fff;border-color:var(--dark)}
.btn-dark:hover{background:#1b3a31;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--primary)}
.text-link:hover{color:var(--primary-dark);gap:10px}
.text-link i{transition:transform var(--transition)}
.timeline-section{padding:96px 0 80px;background:var(--bg)}
.timeline{position:relative;padding:40px 0 16px}
.timeline::before{
  content:'';position:absolute;left:50%;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--primary) 0%,var(--accent) 100%);
  transform:translateX(-50%);border-radius:4px;
}
.timeline-item{position:relative;width:50%;padding:0 60px 56px}
.timeline-item:nth-child(odd){left:0;text-align:right}
.timeline-item:nth-child(even){left:50%;text-align:left}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::after{
  content:'';position:absolute;top:40px;right:-10px;
  width:20px;height:20px;border-radius:50%;
  background:var(--accent);border:4px solid #fff;
  box-shadow:0 0 0 3px rgba(242,105,61,.35);
  z-index:1;
}
.timeline-item:nth-child(even)::after{left:-10px;right:auto}
.timeline-card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:26px;transition:box-shadow var(--transition),transform var(--transition);
}
.timeline-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.timeline-step{display:inline-block;font-size:.8125rem;font-weight:800;color:var(--accent);letter-spacing:.06em;margin-bottom:6px}
.timeline-card h3{font-size:1.25rem;font-weight:700;color:var(--text);margin-bottom:8px}
.timeline-card p{font-size:.9375rem;color:var(--muted);line-height:1.75}
.timeline-img{margin-top:16px;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.timeline-img img{width:100%;height:180px;object-fit:cover;transition:transform .4s ease}
.timeline-card:hover .timeline-img img{transform:scale(1.04)}
.timeline-item:nth-child(odd) .timeline-card .timeline-img{text-align:right}
.timeline-item:nth-child(odd) .timeline-card .timeline-img img{margin-left:auto}
.honor-section{background:var(--dark);padding:96px 0;color:#C9D4CE}
.honor-section .section-header h2{color:#fff}
.honor-section .section-header p{color:rgba(255,255,255,.7)}
.honor-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:0 0 56px}
.stat-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:28px 20px;text-align:center}
.stat-num{font-size:2.1rem;font-weight:800;color:var(--accent);line-height:1.2}
.stat-label{font-size:.875rem;color:rgba(255,255,255,.65);margin-top:6px}
.badge-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:18px}
.badge-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:26px 30px;text-align:center;
  min-width:170px;transition:background var(--transition),transform var(--transition);
}
.badge-item:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.badge-item i{font-size:1.8rem;color:var(--light);margin-bottom:10px}
.badge-item span{display:block;font-size:.9375rem;color:rgba(255,255,255,.85)}
.safety-section{padding:96px 0;background:var(--bg)}
.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.safety-copy .section-eyebrow{margin-bottom:12px}
.safety-copy h2{font-size:clamp(1.75rem,3vw,2.4rem);line-height:1.25;margin-bottom:16px}
.safety-copy p{color:var(--muted);font-size:1rem;margin-bottom:20px}
.safety-list{margin:0}
.safety-list li{display:flex;align-items:flex-start;gap:10px;color:var(--text);font-size:.9375rem;padding:7px 0}
.safety-list i{color:var(--primary);margin-top:5px}
.safety-list + .text-link{margin-top:18px}
.safety-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg)}
.safety-media img{width:100%;height:420px;object-fit:cover}
.faq-section{padding:96px 0;background:#fff}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{
  background:var(--bg);border:1px solid var(--border);
  border-radius:14px;margin-bottom:14px;padding:0 22px;
  border-left:4px solid transparent;
  transition:background var(--transition),border-color var(--transition),box-shadow var(--transition);
}
.faq-item[open]{background:#fff;border-left-color:var(--primary);box-shadow:var(--shadow)}
.faq-item summary{
  cursor:pointer;font-weight:600;font-size:1.0625rem;
  padding:20px 44px 20px 0;position:relative;
  list-style:none;line-height:1.5;
  transition:color var(--transition);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'\f067';font-family:'Font Awesome 6 Free';font-weight:900;
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  color:var(--primary);font-size:.875rem;width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(11,110,79,.08);border-radius:50%;
  transition:transform .25s ease;
}
.faq-item[open] summary::after{content:'\f068';transform:translateY(-50%) rotate(180deg)}
.faq-item p{padding:0 0 22px;color:var(--muted);font-size:.9375rem;line-height:1.8}
.cta-section{
  padding:96px 0;
  background:linear-gradient(120deg,var(--accent) 0%,#e85a2a 60%,#d84c1e 100%);
  color:#fff;text-align:center;
}
.cta-section h2{color:#fff;font-size:clamp(1.75rem,3vw,2.5rem);margin-bottom:12px}
.cta-section > .container > p{font-size:1rem;color:rgba(255,255,255,.9);max-width:520px;margin:0 auto 32px}
.cta-form{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;
  max-width:820px;margin:0 auto 28px;
}
.cta-form input{
  flex:1 1 210px;min-width:0;
  height:50px;border-radius:12px;border:1px solid rgba(255,255,255,.6);
  padding:0 18px;font-size:.9375rem;color:var(--text);
  background:#fff;transition:border var(--transition),box-shadow var(--transition);
}
.cta-form input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.cta-form .btn{min-height:50px}
.cta-contact{display:flex;flex-wrap:wrap;gap:22px;justify-content:center;font-size:1rem;color:rgba(255,255,255,.95)}
.cta-contact a{color:#fff;font-weight:600;display:inline-flex;align-items:center;gap:8px}
.cta-contact a:hover{color:var(--light)}
.site-footer{
  background:var(--dark);color:#C9D4CE;
  padding:72px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px}
.footer-brand .site-logo{color:#fff}
.footer-brand .site-logo i{color:var(--light)}
.footer-brand p{font-size:.875rem;line-height:1.8;margin-top:14px;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-col ul{margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col a,.footer-contact li{color:rgba(255,255,255,.65);font-size:.875rem;transition:color var(--transition)}
.footer-col a:hover{color:var(--light)}
.footer-contact li{display:flex;align-items:center;gap:10px;line-height:2}
.footer-contact i{color:var(--light);font-size:.875rem;width:18px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  font-size:.8125rem;color:rgba(255,255,255,.45);
}
@media(max-width:1024px){
  .nav-links{gap:2px}
  .nav-link{padding:8px 12px;font-size:.875rem}
  .dock-nav{padding:12px 18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .category-hero{min-height:520px;padding:120px 0 70px}
  .category-hero .lead{font-size:1rem}
  .timeline-section,.honor-section,.safety-section,.faq-section,.cta-section{padding:72px 0}
  .timeline::before{left:10px;transform:none}
  .timeline-item,.timeline-item:nth-child(odd),.timeline-item:nth-child(even){
    width:100%;left:0;text-align:left;padding:0 0 40px 44px;
  }
  .timeline-item::after,.timeline-item:nth-child(even)::after{left:1px;right:auto;top:32px}
  .honor-stats{grid-template-columns:1fr 1fr;gap:14px}
  .safety-grid{grid-template-columns:1fr;gap:32px}
  .safety-media img{height:280px}
  .footer-grid{grid-template-columns:1fr}
  .cta-form{flex-direction:column}
  .cta-form input{flex:1 1 auto}
}
@media(max-width:520px){
  .dock-nav{padding:10px 14px}
  .site-brand{font-size:1rem}
  .site-brand i{font-size:1.05rem}
  .category-hero h1{font-size:2rem}
  .hero-btns .btn{width:100%}
  .honor-stats{grid-template-columns:1fr 1fr;gap:10px}
  .stat-item{padding:22px 12px}
  .stat-num{font-size:1.6rem}
  .badge-item{min-width:140px;padding:20px 18px}
  .safety-media img{height:220px}
  .cta-contact{flex-direction:column;gap:12px}
  .footer-bottom{flex-direction:column;gap:6px;text-align:center}
}

/* roulang page: category3 */
:root {
            --primary: #0B6E4F;
            --primary-dark: #095A40;
            --secondary: #F2693D;
            --secondary-dark: #D95926;
            --accent: #D8F36A;
            --bg: #F6F7F4;
            --white: #FFFFFF;
            --dark: #10241E;
            --text: #1F2933;
            --text-sub: #5F6B7A;
            --border: #E3E8E4;
            --radius: 16px;
            --radius-sm: 12px;
            --shadow: 0 4px 24px rgba(16, 36, 30, 0.08);
            --shadow-hover: 0 8px 32px rgba(16, 36, 30, 0.14);
            --transition: 0.2s ease;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 0.5em;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
        }

        p { margin: 0 0 1em; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; border: 0; }
        ul, ol { margin: 0; padding: 0; list-style: none; }
        input, button, textarea, select { font-family: inherit; font-size: inherit; line-height: inherit; }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* ===== 浮动 Dock 导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 999;
            width: calc(100% - 32px);
            max-width: 1200px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: 999px;
            box-shadow: var(--shadow);
            padding: 0 24px;
            height: 60px;
            display: flex;
            align-items: center;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--dark);
            white-space: nowrap;
        }

        .site-logo i {
            color: var(--secondary);
            font-size: 1.25rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text);
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-link i { font-size: 0.875rem; color: var(--text-sub); }

        .nav-link:hover { background: rgba(11, 110, 79, 0.08); color: var(--primary); }
        .nav-link:hover i { color: var(--primary); }

        .nav-link.active {
            background: rgba(11, 110, 79, 0.12);
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active i { color: var(--primary); }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 999px;
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
            font-size: 0.875rem;
            white-space: nowrap;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .nav-cta:hover { background: var(--secondary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(242, 105, 61, 0.35); }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }

        .nav-toggle:hover { background: rgba(0, 0, 0, 0.05); }

        /* ===== Hero 区 ===== */
        .category-hero {
            position: relative;
            padding: 160px 0 100px;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 36, 30, 0.92) 0%, rgba(16, 36, 30, 0.78) 50%, rgba(16, 36, 30, 0.6) 100%);
        }

        .category-hero .container { position: relative; z-index: 2; text-align: center; }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(216, 243, 106, 0.18);
            color: var(--accent);
            font-size: 0.875rem;
            font-weight: 500;
            margin-bottom: 20px;
            border: 1px solid rgba(216, 243, 106, 0.3);
        }

        .category-hero h1 {
            color: #fff;
            font-size: clamp(2.25rem, 4.5vw, 3.5rem);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .category-hero .hero-sub {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.125rem;
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

        .hero-search {
            max-width: 680px;
            margin: 0 auto 28px;
            position: relative;
        }

        .hero-search input {
            width: 100%;
            height: 60px;
            border-radius: 999px;
            border: none;
            padding: 0 64px 0 24px;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
            outline: none;
            color: var(--text);
            transition: box-shadow var(--transition);
        }

        .hero-search input::placeholder { color: #9AA5B4; }

        .hero-search input:focus {
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.25), 0 0 0 3px rgba(216, 243, 106, 0.4);
        }

        .hero-search button {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: none;
            background: var(--secondary);
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: var(--transition);
        }

        .hero-search button:hover { background: var(--secondary-dark); }

        .hero-tags {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9375rem;
        }

        .hero-tags i { color: var(--accent); }

        /* ===== 合作价值 ===== */
        .section { padding: 80px 0; }

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

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 16px;
            border-radius: 999px;
            background: rgba(11, 110, 79, 0.1);
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-sub);
            font-size: 1.0625rem;
            margin: 0;
        }

        .value-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }

        .value-row {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px 28px;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .value-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(11, 110, 79, 0.1);
            color: var(--primary);
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        .value-content { flex: 1; }

        .value-content h3 { font-size: 1.125rem; margin-bottom: 6px; }

        .value-content p { color: var(--text-sub); font-size: 0.9375rem; margin: 0; line-height: 1.7; }

        .value-more {
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 500;
            white-space: nowrap;
            margin-top: 4px;
        }

        .value-more:hover { text-decoration: underline; }

        /* ===== 适用场景 ===== */
        .section-scene { background: var(--white); }

        .scene-wrap {
            display: flex;
            align-items: center;
            gap: 56px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .scene-image {
            flex: 0 0 46%;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }

        .scene-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(16, 36, 30, 0.35), transparent 60%);
        }

        .scene-image img { width: 100%; height: 340px; object-fit: cover; }

        .scene-content { flex: 1; }

        .scene-content h2 {
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            margin-bottom: 24px;
        }

        .scene-list { display: flex; flex-direction: column; gap: 20px; }

        .scene-item { display: flex; gap: 16px; align-items: flex-start; }

        .scene-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(242, 105, 61, 0.12);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9375rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .scene-text h4 { font-size: 1.0625rem; margin-bottom: 4px; }

        .scene-text p { color: var(--text-sub); font-size: 0.9375rem; margin: 0; }

        /* ===== 合作流程 ===== */
        .section-process { background: var(--bg); }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .process-card {
            text-align: center;
            padding: 36px 24px;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .process-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }

        .process-step {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.125rem;
            position: relative;
            z-index: 2;
        }

        .process-card:nth-child(2) .process-step { background: var(--secondary); }
        .process-card:nth-child(3) .process-step { background: var(--dark); }
        .process-card:nth-child(4) .process-step { background: var(--primary-dark); }

        .process-card h3 { font-size: 1.125rem; margin-bottom: 8px; }

        .process-card p { color: var(--text-sub); font-size: 0.9375rem; margin: 0; line-height: 1.6; }

        /* ===== FAQ 分组 ===== */
        .section-faq { background: var(--white); }

        .faq-topics {
            display: flex;
            flex-direction: column;
            gap: 32px;
            max-width: 960px;
            margin: 0 auto;
        }

        .faq-group {
            border-radius: 20px;
            padding: 36px 40px;
            border: 1px solid transparent;
        }

        .faq-group-1 { background: rgba(11, 110, 79, 0.05); border-color: rgba(11, 110, 79, 0.08); }
        .faq-group-2 { background: rgba(242, 105, 61, 0.05); border-color: rgba(242, 105, 61, 0.08); }
        .faq-group-3 { background: rgba(16, 36, 30, 0.04); border-color: rgba(16, 36, 30, 0.06); }
        .faq-group-4 { background: rgba(216, 243, 106, 0.08); border-color: rgba(216, 243, 106, 0.2); }

        .faq-group-header {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .faq-group-header h3 { font-size: 1.25rem; margin: 0; display: inline-flex; align-items: center; gap: 10px; }

        .faq-group-header h3 i { color: var(--primary); font-size: 1.125rem; }

        .faq-group-header .faq-group-desc {
            color: var(--text-sub);
            font-size: 0.875rem;
            margin: 4px 0 0 30px;
            width: 100%;
        }

        .faq-item {
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            padding: 0;
        }

        .faq-item:last-child { border-bottom: none; }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 20px 0;
            font-weight: 600;
            font-size: 1.0625rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(11, 110, 79, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.875rem;
            flex-shrink: 0;
            transition: transform 0.3s ease, background var(--transition), color var(--transition);
        }

        .faq-group-2 .faq-question .faq-icon { background: rgba(242, 105, 61, 0.12); color: var(--secondary); }
        .faq-group-3 .faq-question .faq-icon { background: rgba(16, 36, 30, 0.08); color: var(--dark); }
        .faq-group-4 .faq-question .faq-icon { background: rgba(11, 110, 79, 0.08); color: var(--primary); }

        .faq-item.active .faq-question .faq-icon { transform: rotate(45deg); }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease;
        }

        .faq-item.active .faq-answer { max-height: 600px; padding-bottom: 18px; }

        .faq-answer p {
            color: var(--text-sub);
            font-size: 0.9375rem;
            margin: 0;
            line-height: 1.7;
            padding-right: 40px;
        }

        .faq-search-empty {
            display: none;
            text-align: center;
            padding: 48px 24px;
            color: var(--text-sub);
            font-size: 1rem;
            max-width: 960px;
            margin: 0 auto;
        }

        .faq-search-empty i {
            font-size: 2.5rem;
            color: var(--border);
            display: block;
            margin-bottom: 16px;
        }

        /* ===== CTA 区 ===== */
        .section-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }

        .section-cta::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(216, 243, 106, 0.1);
        }

        .section-cta::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(242, 105, 61, 0.15);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.0625rem;
            margin-bottom: 36px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0 28px;
            height: 52px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary { background: var(--secondary); color: #fff; }
        .btn-primary:hover { background: var(--secondary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(242, 105, 61, 0.4); }

        .btn-light { background: rgba(255, 255, 255, 0.12); color: #fff; border: 1.5px solid rgba(255, 255, 255, 0.5); backdrop-filter: blur(8px); }
        .btn-light:hover { background: rgba(255, 255, 255, 0.24); color: #fff; transform: translateY(-2px); }

        .btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); height: 48px; padding: 0 24px; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; }
        .btn-outline:hover { background: rgba(11, 110, 79, 0.08); }

        .cta-form {
            max-width: 680px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 28px 32px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .cta-form input {
            width: 100%;
            height: 48px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.95);
            padding: 0 16px;
            font-size: 0.9375rem;
            color: var(--text);
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .cta-form input::placeholder { color: #9AA5B4; }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(216, 243, 106, 0.3);
        }

        .cta-form .btn { width: 100%; height: 48px; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: #C9D4CE;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .site-logo { color: #fff; font-size: 1.25rem; margin-bottom: 12px; }

        .footer-brand .site-logo i { color: var(--accent); }

        .footer-brand p { color: #9DB2A9; font-size: 0.9375rem; line-height: 1.8; margin: 12px 0 0; max-width: 300px; }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .footer-col ul { display: flex; flex-direction: column; gap: 10px; }

        .footer-col ul li { margin: 0; }

        .footer-col a {
            color: #9DB2A9;
            font-size: 0.9375rem;
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-col a:hover { color: var(--accent); padding-left: 4px; }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #9DB2A9;
            font-size: 0.9375rem;
        }

        .footer-contact i { color: var(--accent); width: 18px; text-align: center; }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            color: #6B7F76;
            font-size: 0.875rem;
        }

        .footer-bottom span { color: #9DB2A9; }

        /* ===== 悬浮 CTA ===== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--secondary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            box-shadow: 0 6px 24px rgba(242, 105, 61, 0.45);
            transition: transform var(--transition), box-shadow var(--transition);
            border: none;
            cursor: pointer;
        }

        .float-cta:hover {
            transform: translateY(-4px) scale(1.05);
            box-shadow: 0 12px 32px rgba(242, 105, 61, 0.55);
            color: #fff;
        }

        .float-cta .float-label {
            position: absolute;
            right: 64px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--dark);
            color: #fff;
            font-size: 0.8125rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 8px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }

        .float-cta:hover .float-label { opacity: 1; }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                border-radius: 20px;
                flex-direction: column;
                padding: 20px;
                gap: 8px;
                box-shadow: var(--shadow-hover);
                border: 1px solid var(--border);
            }

            .nav-links.open { display: flex; }

            .nav-link {
                padding: 14px 20px;
                width: 100%;
                border-radius: 12px;
                font-size: 1rem;
            }

            .nav-cta { width: 100%; justify-content: center; margin-top: 8px; height: 48px; }

            .nav-toggle { display: block; }

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

            .scene-wrap {
                flex-direction: column;
                gap: 36px;
            }

            .scene-image { flex: none; width: 100%; }

            .scene-image img { height: 260px; }

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

            .cta-form .columns { margin-bottom: 12px; }
        }

        @media (max-width: 639px) {
            .site-header { width: calc(100% - 24px); padding: 0 16px; height: 56px; }

            .site-logo { font-size: 0.9375rem; }

            .site-logo i { font-size: 1rem; }

            .category-hero { padding: 120px 0 70px; }

            .category-hero h1 { font-size: 1.875rem; }

            .category-hero .hero-sub { font-size: 1rem; }

            .hero-search input { height: 54px; font-size: 0.9375rem; }

            .hero-search button { width: 42px; height: 42px; }

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

            .section { padding: 56px 0; }

            .section-head h2 { font-size: 1.5625rem; }

            .value-row { flex-direction: column; padding: 20px; }

            .value-icon { width: 44px; height: 44px; }

            .process-grid { grid-template-columns: 1fr; max-width: 360px; }

            .process-card { padding: 24px; }

            .faq-group { padding: 24px 20px; }

            .faq-group-header h3 { font-size: 1.125rem; }

            .faq-question { font-size: 1rem; padding: 16px 0; }

            .faq-answer p { padding-right: 0; }

            .cta-buttons { flex-direction: column; align-items: center; }

            .cta-buttons .btn { width: 100%; max-width: 280px; }

            .cta-form { padding: 24px 20px; }

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

            .footer-brand p { max-width: none; }

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

            .float-cta { width: 48px; height: 48px; right: 16px; bottom: 16px; font-size: 1rem; }

            .float-cta .float-label { display: none; }
        }

        @media (max-width: 360px) {
            .site-logo { font-size: 0.8125rem; }

            .category-hero h1 { font-size: 1.625rem; }
        }