/* roulang page: index */
:root {
  --primary: #3E92CC;
  --primary-deep: #2C7BB5;
  --primary-soft: #EAF3FA;
  --green: #19B99A;
  --green-soft: #E2F8F2;
  --orange: #FF8E4D;
  --orange-soft: #FFF0E6;
  --ink: #1F394F;
  --muted: #5B738B;
  --weak: #8AA0B3;
  --line: rgba(47, 92, 128, 0.12);
  --bg: #F6FAFD;
  --bg-soft: #EEF5FA;
  --panel: #FFFFFF;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --radius-xl: 36px;
  --shadow: 0 10px 30px rgba(30, 80, 120, 0.08);
  --shadow-lg: 0 18px 44px rgba(30, 80, 120, 0.15);
  --section-space: clamp(64px, 9vw, 110px);
  --content-max: 1280px;
  --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease-in-out, border-color 0.2s ease-in-out, background 0.2s ease-in-out;
}

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

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

p, h1, h2, h3, h4, h5 {
  margin: 0;
}

h1, h2, h3, h4, h5 {
  line-height: 1.35;
  font-weight: 800;
  color: var(--ink);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.accordion-button:focus-visible {
  outline: 3px solid rgba(62, 146, 204, 0.45);
  outline-offset: 3px;
  box-shadow: none !important;
}

.container {
  max-width: var(--content-max);
}

.section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.section-head {
  max-width: 760px;
  margin-bottom: clamp(28px, 5vw, 52px);
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 6px 14px;
  background: var(--primary-soft);
  border: 1px solid rgba(62, 146, 204, 0.16);
  border-radius: 999px;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: clamp(26px, 4.4vw, 40px);
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.muted {
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--primary-deep);
  border-color: var(--primary-deep);
  color: #FFFFFF;
  box-shadow: 0 10px 26px rgba(62, 146, 204, 0.35);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: rgba(62, 146, 204, 0.55);
  background: transparent;
}

.btn-outline-primary:hover {
  color: var(--primary-deep);
  border-color: var(--primary-deep);
  background: rgba(62, 146, 204, 0.08);
}

.btn-lg {
  min-height: 54px;
  padding: 12px 34px;
  border-radius: 14px;
  font-size: 17px;
}

.btn-sm {
  min-height: 38px;
  padding: 6px 16px;
  font-size: 14px;
  gap: 6px;
}

.text-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary);
}

.text-btn .arrow-symbol {
  transition: transform 0.2s ease;
}

.text-btn:hover .arrow-symbol {
  transform: translateX(4px);
}

.badge {
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.badge-primary {
  color: var(--primary-deep);
  background: var(--primary-soft);
}

.badge-green {
  color: #137F6B;
  background: var(--green-soft);
}

.badge-orange {
  color: #B35B22;
  background: var(--orange-soft);
}

/* ===== 顶部提醒条 ===== */
.topline {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
  min-height: 40px;
  display: flex;
  align-items: center;
}

.topline .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topline-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #137F6B;
  font-weight: 600;
}

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(25, 185, 154, 0.18);
}

/* ===== 导航栏 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(47, 92, 128, 0.08);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.is-scroll {
  background: #FFFFFF;
  box-shadow: 0 10px 36px rgba(31, 57, 79, 0.08);
}

.site-header .navbar {
  padding: 0;
  min-height: 72px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), #6BB9E2);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 8px 20px rgba(62, 146, 204, 0.25);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-corecopy {
  color: var(--ink);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-tagline {
  font-size: 11px;
  color: var(--weak);
  letter-spacing: 0.08em;
  white-space: nowrap;
  font-weight: 500;
}

.site-header .navbar-nav {
  gap: 5px;
}

.site-header .nav-link {
  color: var(--ink);
  font-weight: 600;
  font-size: 16px;
  padding: 8px 16px;
  border-radius: 10px;
  position: relative;
  border: 1px solid transparent;
}

.site-header .nav-link:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

.site-header .nav-link.active {
  color: var(--primary);
  background: var(--primary-soft);
  border-color: rgba(62, 146, 204, 0.14);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: 12px;
}

.header-state {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-soft);
  border: 1px solid rgba(25, 185, 154, 0.2);
  padding: 6px 12px;
  border-radius: 999px;
}

.header-cta {
  min-height: 40px;
  padding: 6px 20px;
  border-radius: 10px;
}

.navbar-toggler {
  border: 1px solid rgba(47, 92, 128, 0.16);
  border-radius: 12px;
  padding: 8px 12px;
  background: #fff;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  background-image: none;
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  display: inline-block;
  transition: all 0.2s ease;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  left: 0;
}

.navbar-toggler-icon::before {
  top: -6px;
}

.navbar-toggler-icon::after {
  top: 6px;
}

@media (max-width: 991.98px) {
  .site-header .navbar-collapse {
    background: #FFFFFF;
    padding: 18px;
    border-radius: 18px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    margin-top: 10px;
  }
  .site-header .navbar-nav {
    gap: 6px;
  }
  .site-header .nav-link {
    padding: 12px 16px;
    font-size: 17px;
  }
  .header-actions {
    margin-left: 0;
    margin-top: 14px;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .header-cta,
  .header-state {
    width: 100%;
    justify-content: center;
  }
  .header-actions .btn,
  .header-actions div {
    min-height: 48px;
  }
  .brand-corecopy {
    font-size: 19px;
  }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center 24%;
  overflow: hidden;
  padding: clamp(56px, 8vw, 116px) 0;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(98deg, rgba(255, 255, 255, 0.97) 13%, rgba(255, 255, 255, 0.88) 38%, rgba(244, 250, 253, 0.72) 62%, rgba(246, 250, 253, 0.55));
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-left {
  padding-right: clamp(0px, 4vw, 64px);
}

.hero-flag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-deep);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(62, 146, 204, 0.2);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(30px, 5.2vw, 52px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--ink);
}

.hero-sub {
  color: #3C566B;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.85;
  max-width: 660px;
  margin-bottom: 34px;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.hero-points {
  margin-top: 34px;
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-weight: 500;
  font-size: 15px;
}

.hero-points li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(25, 185, 154, 0.16);
  flex-shrink: 0;
}

.hero-panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(47, 92, 128, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: clamp(24px, 3vw, 38px);
  max-width: 460px;
  margin-left: auto;
}

.hero-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}

.hero-panel-title strong {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}

.panel-stream-item {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(47, 92, 128, 0.12);
}

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

.panel-stream-dot {
  margin-top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}

.panel-stream-item p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.panel-stream-item strong {
  color: var(--ink);
  font-weight: 700;
  font-size: 15px;
}

.hero-mini-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
  align-items: center;
}

.hero-mini-actions .btn {
  min-height: 40px;
}

.panel-footer-note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--weak);
  background: var(--bg);
  padding: 10px 14px;
  border-radius: 10px;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

@media (max-width: 991px) {
  .hero-panel {
    margin-left: 0;
    max-width: 660px;
    margin-top: 42px;
  }
}

/* ===== 问题 ===== */
.pain-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pain-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 4px 16px rgba(30, 80, 120, 0.05);
}

.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(62, 146, 204, 0.24);
}

.pain-index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-deep);
  font-weight: 800;
  font-size: 18px;
}

.pain-main h3 {
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.pain-main p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.pain-card .btn {
  min-height: 40px;
}

@media (max-width: 767px) {
  .pain-card {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .pain-index {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }
}

/* ===== 方案卡 ===== */
.solution-card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  box-shadow: 0 5px 18px rgba(30, 80, 120, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(62, 146, 204, 0.22);
}

.solution-card-image {
  height: 210px;
  overflow: hidden;
}

.solution-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.solution-card:hover .solution-card-image img {
  transform: scale(1.04);
}

.solution-card-body {
  padding: clamp(20px, 2.5vw, 34px);
}

.soft-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-deep);
  background: var(--primary-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.solution-card h3 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.solution-card .solution-desc {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.feature-chips {
  margin: 18px 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.feature-chip {
  display: inline-flex;
  font-size: 14px;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  color: var(--ink);
  font-weight: 500;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.feature-chip:hover {
  background: var(--primary-soft);
  border-color: rgba(62, 146, 204, 0.3);
  color: var(--primary-deep);
}

.solution-card-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.solution-result {
  font-size: 14px;
  color: #137F6B;
  background: var(--green-soft);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
}

.card-wide .solution-card-image {
  height: 100%;
  min-height: 230px;
}

.card-wide .solution-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ===== 数据即证据区 ===== */
.proof-section {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(47, 92, 128, 0.12);
  border: 1px solid rgba(47, 92, 128, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.proof-cell {
  background: #FFFFFF;
  padding: clamp(22px, 3vw, 38px);
  min-height: 150px;
  transition: background 0.2s ease;
}

.proof-cell:hover {
  background: var(--primary-soft);
}

.proof-index {
  font-weight: 800;
  color: var(--primary);
  font-size: 15px;
  display: block;
  margin-bottom: 10px;
}

.proof-cell strong {
  display: block;
  font-size: clamp(20px, 2.2vw, 28px);
  color: var(--ink);
  margin-bottom: 8px;
  font-weight: 800;
}

.proof-cell span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 767px) {
  .proof-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 强转化 CTA ===== */
.convert-band {
  background: linear-gradient(135deg, #FFFFFF 15%, var(--primary-soft) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: clamp(26px, 4vw, 56px);
  position: relative;
  overflow: hidden;
}

.convert-band::after {
  content: "";
  position: absolute;
  bottom: -90px;
  right: -90px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: rgba(62, 146, 204, 0.12);
}

.convert-band h2 {
  font-size: clamp(24px, 3vw, 39px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 14px;
}

.convert-band .convert-copy {
  color: var(--muted);
  font-size: 17px;
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.convert-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}

.privacy-note {
  display: flex;
  gap: 10px;
  color: var(--weak);
  font-size: 14px;
  line-height: 1.7;
  background: rgba(255, 255, 255, 0.75);
  border-radius: 12px;
  padding: 12px 16px;
  max-width: 650px;
}

.privacy-note svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--green);
}

/* ===== 信息列表 ===== */
.news-section {
  background: #FFFFFF;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.news-item {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 2vw, 28px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px 28px;
  align-items: center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.news-item:hover {
  border-color: rgba(62, 146, 204, 0.24);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.news-item-title h3 {
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
}

.news-item-title h3 a {
  color: var(--ink);
}

.news-item-title h3 a:hover {
  color: var(--primary);
}

.news-item-sub {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 12px;
  max-width: 830px;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  color: var(--weak);
  font-size: 13px;
}

.news-cat {
  color: var(--primary-deep);
  background: var(--primary-soft);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.news-action {
  display: flex;
  align-items: center;
  font-weight: 600;
  color: var(--primary);
  gap: 6px;
  white-space: nowrap;
}

.news-empty {
  border: 1px dashed rgba(47, 92, 128, 0.2);
  background: #FAFCFF;
  border-radius: var(--radius-lg);
  padding: 38px 28px;
  text-align: center;
  color: var(--muted);
  font-size: 16px;
}

@media (max-width: 767px) {
  .news-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .news-action {
    justify-content: flex-end;
  }
}

/* ===== FAQ ===== */
.faq-card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-card .faq-qb {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion-item {
  background: #FFFFFF;
  border: 1px solid var(--line) !important;
  border-radius: var(--radius-lg) !important;
  margin-bottom: 14px;
  overflow: hidden;
}

.accordion-button {
  background: #FFFFFF;
  color: var(--ink);
  font-weight: 700;
  font-size: 17px;
  padding: 22px 26px;
  box-shadow: none;
  border: 0;
}

.accordion-button:not(.collapsed) {
  background: var(--primary-soft);
  color: var(--primary-deep);
  box-shadow: none;
}

.accordion-button::after {
  background-size: 18px;
}

.accordion-body {
  padding: 6px 28px 24px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

/* ===== 最终 CTA / 页底 CTA ===== */
.footer-cta {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}

.footer-cta-inner {
  background: linear-gradient(100deg, var(--primary-soft), #F7FBFE 60%);
  border: 1px solid rgba(62, 146, 204, 0.18);
  border-radius: var(--radius-xl);
  padding: clamp(26px, 4.5vw, 56px);
  text-align: center;
}

.footer-cta-inner h2 {
  font-size: clamp(24px, 3vw, 38px);
  color: var(--ink);
  font-weight: 800;
  margin-bottom: 12px;
}

.footer-cta-inner p {
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 28px;
  font-size: 17px;
  line-height: 1.8;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  color: var(--muted);
  overflow: hidden;
}

.site-footer .footer-top {
  padding: clamp(42px, 6vw, 70px) 0 34px;
}

.site-footer .f-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.site-footer .f-brand .brand-mark {
  width: 40px;
  height: 40px;
  font-size: 20px;
  border-radius: 12px;
}

.site-footer .f-brand .brand-corecopy {
  font-size: 18px;
}

.site-footer .footer-note {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-top: 12px;
  max-width: 340px;
}

.footer-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  display: inline-block;
  color: var(--muted);
  font-size: 15px;
  padding: 7px 0;
  line-height: 1.4;
}

.footer-links a:hover {
  color: var(--primary-deep);
}

.footer-contact-note {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 18px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 20px 0;
  font-size: 14px;
  color: var(--weak);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== Modal ===== */
.modal-content {
  border: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 10px;
}

.modal-header {
  border-bottom: 1px solid var(--line);
  padding: 24px 24px 16px;
}

.modal-title {
  font-weight: 800;
  font-size: 21px;
  color: var(--ink);
}

.modal-body {
  padding: 24px;
}

.form-label {
  font-weight: 600;
  color: var(--ink);
  font-size: 15px;
  margin-bottom: 8px;
}

.form-control,
.form-select {
  min-height: 48px;
  background-color: #F9FCFE;
  border: 1px solid rgba(47, 92, 128, 0.18);
  border-radius: 10px;
  color: var(--ink);
  padding: 10px 16px;
}

.form-control:focus,
.form-select:focus {
  background-color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(62, 146, 204, 0.16);
}

textarea.form-control {
  min-height: 96px;
  resize: vertical;
}

.modal-footer {
  padding: 16px 24px 20px;
  border-top: 1px solid var(--line);
}

/* ===== 工具 ===== */
.bg-soft {
  background: var(--bg-soft);
}

.bg-white {
  background: #FFFFFF;
}

.line-top {
  border-top: 1px solid var(--line);
}

.image-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.image-frame img {
  width: 100%;
  object-fit: cover;
}

.mediumico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 767px) {
  .hero-left {
    padding-right: 0;
  }
  .btn-lg {
    width: 100%;
  }
  .hero-btns {
    width: 100%;
  }
  .hero-btns .btn {
    width: 100%;
  }
  .convert-actions .btn {
    width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
  }
}

/* roulang page: article */
:root {
  --primary: #3E92CC;
  --primary-dark: #2478A8;
  --primary-soft: rgba(62, 146, 204, .10);
  --mint: #19B99A;
  --mint-soft: rgba(25, 185, 154, .12);
  --accent: #FF8E4D;
  --accent-soft: rgba(255, 142, 77, .14);
  --bg: #F6FAFD;
  --panel: #EEF5FA;
  --card: #FFFFFF;
  --ink: #1F394F;
  --text-2: #5B738B;
  --muted: #8AA0B3;
  --border: rgba(47, 92, 128, .12);
  --r-xs: 8px;
  --r-sm: 10px;
  --r-md: 20px;
  --r-lg: 36px;
  --sh-sm: 0 8px 18px rgba(30, 80, 120, .06);
  --sh-md: 0 10px 30px rgba(30, 80, 120, .08);
  --sh-lg: 0 18px 44px rgba(30, 80, 120, .15);
  --space-sec: clamp(60px, 9vw, 110px);
  --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .22s ease;
}

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

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid rgba(62, 146, 204, .36);
  outline-offset: 2px;
}

.container {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  width: 100%;
}

.skip-link {
  position: absolute;
  left: -1000px;
  top: 12px;
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--r-sm);
  z-index: 2000;
  font-weight: 600;
}

.skip-link:focus {
  left: 16px;
  color: #fff;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  clip: rect(0, 0, 0, 0);
  overflow: hidden;
  white-space: nowrap;
}

/* ========= 顶部分隔活动条 ========= */
.topline {
  background: rgba(62, 146, 204, .09);
  border-bottom: 1px solid rgba(47, 92, 128, .08);
  font-size: 13px;
  color: var(--text-2);
  letter-spacing: .01em;
}

.topline .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 40px;
}

.topline-tip {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
}

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(25, 185, 154, .16);
  flex: 0 0 8px;
}

.topline-note {
  margin: 0;
  white-space: nowrap;
}

.topline-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, .74);
  border: 1px solid rgba(47, 92, 128, .1);
  padding: 3px 12px;
  border-radius: 999px;
  color: var(--text-2);
  font-size: 12px;
}

@media (max-width: 575.98px) {
  .topline-note {
    max-width: 68%;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .topline-meta {
    flex: 1 0 auto;
  }
}

/* ========= 头部导航 ========= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(47, 92, 128, .08);
  transition: box-shadow .28s ease, background .28s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 8px 26px rgba(30, 80, 120, .08);
}

.navbar {
  padding-top: 0;
  padding-bottom: 0;
  min-height: 76px;
  flex-wrap: nowrap;
}

.navbar-brand.brand-block {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-top: 10px;
  padding-bottom: 10px;
  margin-right: 24px;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 15px;
  background: linear-gradient(145deg, var(--primary), #6BB6E5);
  color: #fff;
  font-size: 23px;
  font-weight: 800;
  box-shadow: 0 8px 16px rgba(62, 146, 204, .24);
  flex: 0 0 46px;
  letter-spacing: 0;
}

.brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-corecopy {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: .01em;
}

.brand-tagline {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  font-weight: 500;
}

.navbar-toggler {
  border: 1px solid rgba(47, 92, 128, .16);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  transition: background .2s ease, border-color .2s ease;
}

.navbar-toggler:hover {
  background: var(--primary-soft);
  border-color: rgba(62, 146, 204, .3);
}

.navbar-nav {
  align-items: center;
  gap: 6px;
}

.nav-item {
  list-style: none;
}

.navbar-nav .nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-2);
  transition: color .2s ease, background .2s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--primary);
  background: rgba(62, 146, 204, .07);
}

.navbar-nav .nav-link.active {
  color: var(--primary);
  background: var(--primary-soft);
  position: relative;
}

.navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  transform: translateX(-50%);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  margin-left: 12px;
}

.header-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2);
  font-weight: 600;
  background: #fff;
  border: 1px solid rgba(47, 92, 128, .12);
  padding: 6px 12px;
  border-radius: 999px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 28px;
  border-radius: var(--r-sm);
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
  white-space: nowrap;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(62, 146, 204, .24);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  box-shadow: 0 12px 26px rgba(62, 146, 204, .28);
}

.btn-primary:active {
  box-shadow: inset 0 3px 8px rgba(20, 60, 90, .16);
}

.btn-soft {
  background: rgba(62, 146, 204, .1);
  border-color: transparent;
  color: var(--primary-dark);
}

.btn-soft:hover {
  background: rgba(62, 146, 204, .16);
  color: var(--primary-dark);
}

.btn-outline {
  background: transparent;
  border-color: rgba(47, 92, 128, .26);
  color: var(--ink);
}

.btn-outline:hover {
  background: var(--primary-soft);
  border-color: rgba(62, 146, 204, .5);
  color: var(--primary-dark);
}

.header-cta {
  min-height: 44px;
  padding: 8px 20px;
}

/* ========= CMS 文章详情页主体 ========= */
.breadcrumb-wrap {
  background: var(--panel);
  border-bottom: 1px solid rgba(47, 92, 128, .07);
  padding: 18px 0;
}

.breadcrumb-custom {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  color: var(--text-2);
}

.breadcrumb-custom li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb-custom li + li::before {
  content: "/";
  margin: 0 8px;
  color: #B7C7D4;
}

.breadcrumb-custom a {
  color: var(--primary);
  font-weight: 600;
}

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

.breadcrumb-custom .crumb-current {
  color: var(--muted);
  max-width: 430px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.post-section {
  padding: var(--space-sec) 0;
}

.post-stage {
  max-width: 880px;
  margin: 0 auto;
}

.post-paper {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-md);
  padding: clamp(26px, 5vw, 56px);
  position: relative;
  overflow: hidden;
}

.post-paper::before {
  content: "";
  display: block;
  height: 6px;
  background: linear-gradient(90deg, var(--primary), var(--mint));
  position: absolute;
  inset: 0 0 auto 0;
}

.post-heading {
  margin-bottom: 34px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(47, 92, 128, .1);
}

.post-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
}

.post-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.post-badge.green-badge {
  background: var(--mint-soft);
  color: #0D7A66;
}

.post-title {
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--ink);
}

.post-title a {
  color: inherit;
}

.post-meta-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  color: var(--muted);
  font-size: 14px;
}

.post-meta-list li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.post-meta-icon {
  width: 16px;
  text-align: center;
  color: var(--primary);
  font-weight: 700;
}

.post-content {
  font-size: 17px;
  line-height: 1.9;
  color: #28455C;
}

.post-content h2,
.post-content h3,
.post-content h4 {
  color: var(--ink);
  font-weight: 800;
  line-height: 1.45;
  margin-top: 1.65em;
  margin-bottom: .72em;
}

.post-content h2 {
  font-size: 30px;
  padding-left: 18px;
  position: relative;
}

.post-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .18em;
  bottom: .18em;
  width: 6px;
  border-radius: 6px;
  background: var(--primary);
}

.post-content h3 {
  font-size: 24px;
}

.post-content h4 {
  font-size: 19px;
}

.post-content p {
  margin: 0 0 1.4em;
}

.post-content strong {
  color: var(--ink);
  font-weight: 700;
}

.post-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}

.post-content a:hover {
  color: var(--primary-dark);
  text-decoration-thickness: 2px;
}

.post-content ul,
.post-content ol {
  margin: 0 0 1.5em;
  padding-left: 1.5em;
}

.post-content li {
  margin-bottom: .5em;
}

.post-content ul li::marker {
  color: var(--mint);
  font-weight: 800;
}

.post-content blockquote {
  margin: 1.8em 0;
  padding: 18px 22px;
  border-left: 5px solid var(--mint);
  background: var(--mint-soft);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--ink);
  font-weight: 600;
}

.post-content blockquote p:last-child {
  margin-bottom: 0;
}

.post-content img {
  border-radius: var(--r-sm);
  margin: 1.4em 0;
  box-shadow: var(--sh-md);
  height: auto;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 15px;
  line-height: 1.7;
  display: block;
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  box-shadow: var(--sh-sm);
}

.post-content table th,
.post-content table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(47, 92, 128, .1);
  vertical-align: top;
}

.post-content table thead th {
  background: var(--panel);
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.post-content table tbody tr:last-child td {
  border-bottom: 0;
}

.post-content code {
  background: #EAF2F8;
  color: #1F6B9A;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: .9em;
  word-break: break-all;
}

.post-faq-wrap {
  margin-top: 36px;
  background: var(--panel);
  border-radius: var(--r-md);
  padding: 24px 28px;
}

.post-faq-wrap h3 {
  margin: 0 0 14px;
  font-size: 20px;
  color: var(--ink);
}

.post-faq-wrap p {
  margin-bottom: 8px;
}

/* ========= 状态为空：内容未找到 ========= */
.empty-post {
  text-align: center;
  padding: 44px 22px 30px;
}

.empty-post-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--panel);
  color: var(--muted);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
}

.empty-post-title {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--ink);
}

.empty-post-copy {
  margin: 0 auto 22px;
  color: var(--text-2);
  max-width: 440px;
}

/* ========= 文章后信息卡、返回入口 ========= */
.post-extras {
  margin-top: 34px;
}

.related-section {
  background: var(--panel);
  padding: var(--space-sec) 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}

.related-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  margin: 0;
  letter-spacing: .01em;
  color: var(--ink);
}

.related-sub {
  margin: 6px 0 0;
  color: var(--text-2);
}

.rel-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--sh-md);
  height: 100%;
  transition: transform .28s ease, box-shadow .28s ease;
}

.rel-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-lg);
}

.rel-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--panel);
}

.rel-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.rel-card:hover .rel-cover img {
  transform: scale(1.04);
}

.rel-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 45, 66, 0), rgba(20, 45, 66, .12));
}

.rel-card-body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.rel-card-title {
  font-size: 21px;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 9px;
  line-height: 1.4;
}

.rel-card-copy {
  font-size: 15px;
  color: var(--text-2);
  margin-bottom: 18px;
  flex: 1;
}

.rel-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(47, 92, 128, .1);
  padding-top: 14px;
}

.rel-card-foot .text-btn {
  font-weight: 600;
  color: var(--primary);
}

.return-links-section {
  background: var(--bg);
  padding: 42px 0;
}

.return-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
  padding: 20px;
}

.return-links .return-copy {
  margin: 0;
  color: var(--text-2);
  font-size: 15px;
  margin-right: 4px;
}

.text-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary);
  background: transparent;
  border: 0;
  padding: 8px 4px;
  transition: gap .22s ease, color .22s ease;
}

.text-btn:hover {
  color: var(--primary-dark);
  gap: 9px;
}

.arrow-symbol {
  font-weight: 800;
  line-height: 1;
}

.return-link-btn {
  min-height: 44px;
  padding: 7px 18px;
  font-size: 15px;
  border-radius: var(--r-sm);
}

/* ========= 弹窗表单浮动 ========= */
.form-contact-modal .modal-content {
  border: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--sh-lg);
  background: #fff;
}

.form-contact-modal .modal-body {
  padding: 34px;
}

.modal-heading-block {
  margin-bottom: 24px;
}

.modal-heading-block h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 8px;
}

.modal-heading-block p {
  color: var(--text-2);
  margin: 0;
}

.modal-field {
  margin-bottom: 18px;
}

.modal-field label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.modal-field .field-mark {
  color: var(--accent);
}

.modal-field .form-control {
  min-height: 48px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(47, 92, 128, .18);
  padding: 9px 14px;
  font-size: 16px;
  transition: border-color .2s ease, box-shadow .2s ease;
  background: #FBFDFF;
}

.modal-field .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(62, 146, 204, .14);
  background: #fff;
}

.modal-field textarea.form-control {
  min-height: 96px;
  resize: vertical;
}

.modal-note-lock {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  background: var(--primary-soft);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.7;
  margin-top: 12px;
}

.modal-note-lock .lock-ico {
  font-size: 16px;
  color: var(--primary);
  line-height: 1.2;
}

.modal-note-lock span:last-child {
  flex: 1;
}

.form-success-msg {
  background: var(--mint-soft);
  border: 1px solid rgba(25, 185, 154, .35);
  color: #0D7A66;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 14px;
  display: none;
  margin-top: 14px;
}

.modal-close-btn {
  min-height: 44px;
  padding: 8px 18px;
}

/* ========= 页脚 ========= */
.site-footer {
  background: #E9F1F7;
  border-top: 1px solid rgba(47, 92, 128, .08);
}

.footer-top {
  padding: 54px 0 36px;
}

.f-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.f-brand .brand-mark {
  width: 44px;
  height: 44px;
  font-size: 20px;
  flex-basis: 44px;
}

.f-brand .brand-corecopy {
  font-size: 20px;
}

.footer-note {
  color: var(--text-2);
  font-size: 15px;
  max-width: 360px;
  margin-bottom: 0;
}

.footer-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 18px;
  letter-spacing: .01em;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.footer-links a,
.footer-contact-note a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: var(--text-2);
  font-size: 15px;
  font-weight: 500;
  transition: color .2s ease, gap .2s ease;
  gap: 5px;
}

.footer-links a:hover {
  color: var(--primary);
  gap: 9px;
}

.footer-contact-note {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 10px;
}

.footer-contact-note p {
  margin-bottom: 8px;
}

.site-footer .text-btn {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid rgba(47, 92, 128, .1);
  padding: 20px 0 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 991.98px) {
  .navbar {
    min-height: 70px;
    padding-top: 6px;
    padding-bottom: 6px;
  }
  .navbar-nav {
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .navbar-nav .nav-link {
    padding: 10px 18px;
    font-size: 17px;
  }
  .navbar-nav .nav-link.active {
    background: rgba(62, 146, 204, .1);
  }
  .header-actions {
    margin-left: 0;
    width: 100%;
    padding-top: 8px;
    padding-bottom: 18px;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .header-state {
    order: 1;
  }
  .header-cta {
    order: 2;
    min-height: 46px;
  }
  .rel-card {
    margin-bottom: 6px;
  }
}

@media (max-width: 767.98px) {
  body {
    font-size: 16px;
  }
  .brand-corecopy {
    font-size: 19px;
  }
  .brand-tagline {
    font-size: 10px;
  }
  .post-paper {
    padding: 22px 18px;
    border-radius: var(--r-sm);
  }
  .post-title {
    font-size: 27px;
  }
  .post-content h2 {
    font-size: 24px;
  }
  .post-content h3 {
    font-size: 21px;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .related-title {
    font-size: 25px;
  }
  .footer-top {
    padding-top: 42px;
  }
  .form-contact-modal .modal-body {
    padding: 26px 20px;
  }
  .modal-heading-block h2 {
    font-size: 23px;
  }
  .return-links {
    justify-content: center;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .navbar-brand.brand-block {
    gap: 8px;
  }
  .brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 13px;
    font-size: 19px;
    flex-basis: 40px;
  }
  .breadcrumb-custom .crumb-current {
    max-width: 200px;
  }
  .post-meta-list {
    gap: 8px 14px;
    font-size: 13px;
  }
  .modal-note-lock {
    font-size: 12px;
  }
}

/* roulang page: category1 */
:root {
            --clr-main: #3E92CC;
            --clr-main-deep: #2F7FB8;
            --clr-mint: #19B99A;
            --clr-warm: #FF8E4D;
            --bg-body: #F6FAFD;
            --bg-soft: #EEF5FA;
            --text-main: #1F394F;
            --text-muted: #5B738B;
            --text-weak: #8AA0B3;
            --border-light: rgba(47, 92, 128, 0.12);
            --radius-md: 10px;
            --radius-lg: 20px;
            --radius-xl: 36px;
            --shadow-card: 0 10px 30px rgba(30, 80, 120, 0.08);
            --shadow-hover: 0 18px 44px rgba(30, 80, 120, 0.15);
            --font-stack: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-stack);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.75;
            letter-spacing: 0;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
        }

        .section {
            padding-top: clamp(60px, 9vw, 110px);
            padding-bottom: clamp(60px, 9vw, 110px);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            font-weight: 600;
            line-height: 1.2;
            transition: all .22s ease;
            white-space: nowrap;
        }

        .btn:focus-visible,
        .form-control:focus-visible,
        .accordion-button:focus-visible {
            outline: 3px solid rgba(62, 146, 204, 0.30);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--clr-main);
            border-color: var(--clr-main);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--clr-main-deep);
            border-color: var(--clr-main-deep);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(62, 146, 204, 0.28);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 3px 10px rgba(15, 50, 80, 0.18);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.72);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: #fff;
            color: #fff;
        }

        .btn-ghost {
            background: #fff;
            border-color: var(--border-light);
            color: var(--text-main);
            box-shadow: 0 6px 18px rgba(30, 80, 120, 0.04);
        }

        .btn-ghost:hover {
            background: var(--bg-soft);
            border-color: var(--clr-main);
            color: var(--clr-main-deep);
            transform: translateY(-2px);
        }

        .text-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--clr-main);
            border-bottom: 1px solid transparent;
            transition: color .2s, border-color .2s;
        }

        .text-btn:hover {
            color: var(--clr-main-deep);
            border-color: var(--clr-main);
        }

        .text-btn .arrow-symbol {
            display: inline-block;
            transition: transform .2s;
            font-weight: 800;
        }

        .text-btn:hover .arrow-symbol {
            transform: translateX(-4px);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid transparent;
            transition: box-shadow .3s, border-color .3s;
        }

        .site-header.is-scrolled {
            border-color: var(--border-light);
            box-shadow: 0 12px 30px rgba(30, 80, 120, 0.08);
        }

        .navbar {
            padding: 0;
            min-height: 76px;
        }

        .brand-block {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 14px;
            background: var(--clr-main);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

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

        .brand-corecopy {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
        }

        .brand-tagline {
            font-size: 12px;
            color: var(--text-weak);
            letter-spacing: 0.02em;
            margin-top: 3px;
        }

        .navbar-nav {
            gap: 8px;
        }

        .navbar .nav-link {
            position: relative;
            padding: 10px 4px !important;
            margin: 0 6px;
            font-style: normal;
            font-weight: 600;
            color: var(--text-muted);
            transition: color .22s;
        }

        .navbar .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 2px;
            height: 3px;
            border-radius: 4px;
            background: var(--clr-main);
            transform: scaleX(0);
            transform-origin: center left;
            transition: transform .22s ease;
        }

        .navbar .nav-link:hover {
            color: var(--clr-main);
        }

        .navbar .nav-link.active {
            color: var(--clr-main-deep);
            font-weight: 700;
        }

        .navbar .nav-link.active::after {
            transform: scaleX(1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .header-state {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            font-weight: 600;
            color: var(--clr-mint);
            background: rgba(25, 185, 154, 0.08);
            border: 1px solid rgba(25, 185, 154, 0.18);
            border-radius: 99px;
            padding: 6px 14px;
        }

        .live-dot {
            width: 7px;
            height: 7px;
            background: var(--clr-mint);
            border-radius: 50%;
            box-shadow: 0 0 0 0 rgba(25, 185, 154, 0.45);
            animation: dotPulse 2s infinite;
        }

        @keyframes dotPulse {
            0% {
                box-shadow: 0 0 0 0 rgba(25, 185, 154, 0.45);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(25, 185, 154, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(25, 185, 154, 0);
            }
        }

        .header-actions .btn {
            min-height: 42px;
            padding: 0 18px;
        }

        .cat-hero {
            position: relative;
            overflow: hidden;
            padding: 34px 0 84px;
            background: linear-gradient(180deg, #EDF5FB 0%, var(--bg-body) 100%);
            border-bottom: 1px solid rgba(47, 92, 128, 0.06);
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-position: center;
            background-size: cover;
            opacity: .16;
            z-index: 0;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 150px;
            background: linear-gradient(180deg, transparent, rgba(246, 250, 253, 0.75));
            pointer-events: none;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-line {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-weak);
            background: rgba(255, 255, 255, 0.72);
            border: 1px solid var(--border-light);
            border-radius: 99px;
            padding: 6px 16px;
            margin-bottom: 24px;
        }

        .breadcrumb-line a {
            color: var(--clr-main);
            font-weight: 600;
            transition: color .2s;
        }

        .breadcrumb-line a:hover {
            color: var(--clr-main-deep);
        }

        .badge-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--clr-main-deep);
            background: rgba(62, 146, 204, 0.10);
            border: 1px solid rgba(62, 146, 204, 0.18);
            border-radius: 99px;
            padding: 7px 14px;
            margin-bottom: 18px;
        }

        .badge-hero::before {
            content: "";
            width: 7px;
            height: 7px;
            background: var(--clr-main);
            border-radius: 50%;
        }

        .cat-hero h1 {
            font-size: clamp(32px, 4.2vw, 52px);
            font-weight: 800;
            line-height: 1.28;
            color: var(--text-main);
            margin: 0 0 18px;
            max-width: 860px;
        }

        .cat-hero .lead {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 620px;
            margin-bottom: 30px;
            letter-spacing: 0;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .hero-panel {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px;
            position: relative;
            transition: transform .3s, box-shadow .3s;
        }

        .hero-panel:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .hero-panel-title {
            font-size: 15px;
            font-weight: 800;
            color: var(--clr-main-deep);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-panel-title::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--clr-mint);
            border-radius: 50%;
        }

        .hero-panel-list {
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
        }

        .hero-panel-list li {
            position: relative;
            padding: 8px 0 8px 26px;
            font-size: 15px;
            color: var(--text-main);
            border-bottom: 1px dashed rgba(47, 92, 128, 0.10);
        }

        .hero-panel-list li:last-child {
            border-bottom: 0;
        }

        .hero-panel-list li::before {
            content: "✓";
            position: absolute;
            left: 4px;
            top: 8px;
            color: var(--clr-mint);
            font-weight: 800;
        }

        .panel-note {
            font-size: 13px;
            color: var(--text-weak);
            background: var(--bg-soft);
            border-radius: 10px;
            padding: 10px 14px;
            line-height: 1.5;
        }

        .section-head {
            margin-bottom: clamp(42px, 6vw, 68px);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--clr-main);
            letter-spacing: .04em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .eyebrow::before {
            content: "";
            width: 18px;
            height: 3px;
            border-radius: 2px;
            background: var(--clr-main);
            margin-right: 8px;
        }

        .section-head h2 {
            font-size: clamp(28px, 3.4vw, 42px);
            font-weight: 800;
            line-height: 1.35;
            margin: 0 0 14px;
        }

        .section-head .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            margin: 0;
        }

        .split-block {
            margin-bottom: 40px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-card);
            transition: transform .32s ease, box-shadow .32s ease;
        }

        .split-block:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .split-media {
            height: 100%;
            min-height: 320px;
        }

        .split-media img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
            display: block;
        }

        .split-body {
            padding: clamp(28px, 4.4vw, 58px);
        }

        .split-body .item-kicker {
            font-size: 13px;
            font-weight: 800;
            color: var(--clr-main);
            letter-spacing: .04em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(62, 146, 204, 0.09);
            border-radius: 99px;
            padding: 5px 12px;
            margin-bottom: 16px;
        }

        .split-body h3 {
            font-size: clamp(22px, 2.6vw, 30px);
            font-weight: 800;
            line-height: 1.45;
            margin-bottom: 16px;
        }

        .split-body .split-desc {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 22px;
        }

        .list-check {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .list-check li {
            position: relative;
            padding: 7px 0 7px 30px;
            font-size: 15px;
            color: var(--text-main);
        }

        .list-check li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 8px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(25, 185, 154, 0.10);
            color: var(--clr-mint);
            font-weight: 800;
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .split-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .guide-big-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: clamp(30px, 5vw, 72px);
            position: relative;
            overflow: hidden;
        }

        .guide-big-card::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(62, 146, 204, 0.10) 0%, transparent 70%);
            pointer-events: none;
        }

        .guide-big-card h2 {
            font-size: clamp(26px, 3.2vw, 40px);
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 16px;
        }

        .guide-big-card .guide-desc {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 26px;
        }

        .type-list {
            margin-top: 10px;
        }

        .type-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            transition: background .2s;
        }

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

        .type-item:hover {
            background: rgba(62, 146, 204, 0.03);
        }

        .type-tag {
            flex-shrink: 0;
            min-width: 88px;
            text-align: center;
            font-size: 13px;
            font-weight: 800;
            padding: 6px 10px;
            border-radius: 8px;
        }

        .type-tag.type-free {
            color: var(--clr-mint);
            background: rgba(25, 185, 154, 0.10);
            border: 1px solid rgba(25, 185, 154, 0.16);
        }

        .type-tag.type-condition {
            color: var(--clr-main-deep);
            background: rgba(62, 146, 204, 0.12);
            border: 1px solid rgba(62, 146, 204, 0.14);
        }

        .type-tag.type-community {
            color: #d0742c;
            background: rgba(255, 142, 77, 0.12);
            border: 1px solid rgba(255, 142, 77, 0.18);
        }

        .type-text {
            font-size: 15px;
            color: var(--text-main);
        }

        .type-text strong {
            display: block;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .type-text span {
            color: var(--text-muted);
            font-size: 14px;
            display: block;
        }

        .big-card-footer {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px dashed rgba(47, 92, 128, 0.18);
        }

        .big-card-footer p {
            margin: 0;
            color: var(--text-muted);
            font-size: 14px;
        }

        .faq-panel {
            max-width: 980px;
            margin: 0 auto;
        }

        .accordion {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .accordion-item {
            border: 1px solid var(--border-light) !important;
            border-radius: var(--radius-lg) !important;
            background: #fff;
            box-shadow: 0 4px 16px rgba(30, 80, 120, 0.04);
            overflow: hidden;
        }

        .accordion-button {
            background: #fff;
            color: var(--text-main) !important;
            font-weight: 700;
            font-size: 16px;
            padding: 20px 24px;
            box-shadow: none !important;
            transition: color .2s, background .2s;
        }

        .accordion-button::after {
            transition: transform .25s;
        }

        .accordion-button:not(.collapsed) {
            background: var(--bg-soft);
            color: var(--clr-main-deep) !important;
        }

        .accordion-button:focus {
            box-shadow: none;
        }

        .accordion-body {
            padding: 4px 24px 22px;
            color: var(--text-muted);
            line-height: 1.78;
        }

        .cta-section {
            padding-top: 0;
        }

        .cta-banner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            padding: clamp(38px, 6vw, 80px);
            background: linear-gradient(110deg, rgba(62, 146, 204, 0.88), rgba(47, 127, 184, 0.72)), url('/assets/images/backpic/back-2.png');
            background-blend-mode: normal;
            color: #fff;
            box-shadow: 0 20px 44px rgba(30, 80, 120, 0.22);
        }

        .cta-banner .row {
            position: relative;
            z-index: 2;
            align-items: center;
        }

        .cta-banner h2 {
            font-size: clamp(26px, 3.4vw, 42px);
            font-weight: 800;
            line-height: 1.35;
            margin: 0 0 14px;
            color: #fff;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 16px;
            max-width: 620px;
            margin: 0 0 24px;
        }

        .cta-banner .btn-cta-light {
            background: #fff;
            color: var(--clr-main-deep);
            border: 1px solid #fff;
            font-weight: 800;
        }

        .cta-banner .btn-cta-light:hover {
            background: transparent;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(8, 40, 60, 0.15);
        }

        .privacy-line {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.74);
            line-height: 1.6;
            margin-top: 18px;
            max-width: 540px;
        }

        .privacy-line svg {
            flex-shrink: 0;
            margin-top: 3px;
            opacity: 0.75;
        }

        .site-footer {
            background: var(--bg-soft);
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
            margin-top: clamp(40px, 6vw, 80px);
            color: var(--text-muted);
        }

        .footer-top {
            padding-bottom: 34px;
        }

        .f-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 13px;
            font-size: 18px;
        }

        .f-brand .brand-corecopy {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
        }

        .footer-note {
            max-width: 430px;
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin: 8px 0;
        }

        .footer-links a {
            display: inline-block;
            padding: 6px 0;
            color: var(--text-muted);
            font-size: 15px;
            transition: color .2s;
        }

        .footer-links a:hover {
            color: var(--clr-main);
            transform: translateX(2px);
        }

        .footer-contact-note p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            color: var(--text-weak);
            font-size: 13px;
        }

        .modal-content {
            border: 0;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 28px 70px rgba(20, 60, 90, 0.23);
        }

        .modal-header {
            background: var(--bg-soft);
            border-bottom: 1px solid var(--border-light);
            padding: 24px 32px;
        }

        .modal-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
        }

        .modal-body {
            padding: 32px;
        }

        .modal-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            display: block;
        }

        .form-control {
            height: 50px;
            border-radius: 10px;
            border: 1px solid rgba(47, 92, 128, 0.20);
            color: var(--text-main);
            background: #fff;
            padding: 0 16px;
            font-size: 15px;
            transition: border-color .18s, box-shadow .18s;
        }

        textarea.form-control {
            height: auto;
            padding: 14px 16px;
            min-height: 104px;
        }

        .form-control:focus {
            border-color: var(--clr-main);
            box-shadow: 0 0 0 4px rgba(62, 146, 204, 0.14);
            color: var(--text-main);
        }

        .modal-form .btn-submit {
            width: 100%;
            margin-top: 8px;
        }

        .privacy-note {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            background: var(--bg-soft);
            border: 1px dashed rgba(47, 92, 128, 0.22);
            border-radius: 10px;
            padding: 10px 14px;
            color: var(--text-muted);
            font-size: 13px;
            line-height: 1.55;
            margin-top: 16px;
        }

        .privacy-note svg {
            margin-top: 2px;
            color: var(--clr-main);
            flex-shrink: 0;
        }

        .modal-success .success-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(25, 185, 154, 0.14);
            color: var(--clr-mint);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .modal-success h4 {
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .modal-success p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        @media (max-width: 991.98px) {
            .navbar {
                min-height: 64px;
            }
            .navbar-collapse {
                background: #fff;
                border: 1px solid var(--border-light);
                border-radius: 18px;
                padding: 18px 20px 24px;
                margin-top: 10px;
                box-shadow: 0 18px 44px rgba(30, 80, 120, 0.12);
            }
            .navbar-nav {
                gap: 2px;
            }
            .navbar .nav-link {
                padding: 12px 4px !important;
                border-bottom: 1px solid rgba(47, 92, 128, 0.06);
                margin: 0;
            }
            .navbar .nav-link:last-child {
                border-bottom: 0;
            }
            .navbar .nav-link::after {
                display: none;
            }
            .header-actions {
                margin-top: 18px;
                flex-wrap: wrap;
                width: 100%;
            }
            .header-actions .btn {
                flex: 1;
            }
            .split-media,
            .split-media img {
                min-height: 260px;
            }
        }

        @media (max-width: 767.98px) {
            .cat-hero {
                padding: 26px 0 56px;
            }
            .cat-hero h1 {
                font-size: 32px;
            }
            .hero-actions {
                display: grid;
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .guide-big-card,
            .hero-panel {
                padding: 24px;
            }
            .type-item {
                flex-direction: column;
                gap: 8px;
            }
            .type-tag {
                align-self: flex-start;
            }
            .split-media {
                min-height: 220px;
            }
            .split-media img {
                min-height: 220px;
            }
            .cta-banner {
                border-radius: 24px;
            }
            .cta-banner .btn-cta-light {
                width: 100%;
            }
            .modal-body {
                padding: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: flex-start;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .split-body h3 {
                font-size: 22px;
            }
            .section-head h2 {
                font-size: 27px;
            }
            .accordion-button {
                font-size: 15px;
                padding: 18px 18px;
            }
            .accordion-body {
                padding: 2px 18px 18px;
            }
            .type-item {
                padding: 14px 0;
            }
        }

/* roulang page: category2 */
:root {
  --brand: #3E92CC;
  --brand-dark: #2C77A8;
  --brand-light: #E6F2FA;
  --mint: #19B99A;
  --mint-light: rgba(25, 185, 154, 0.13);
  --orange: #FF8E4D;
  --orange-light: rgba(255, 142, 77, 0.15);
  --bg: #F6FAFD;
  --bg-soft: #EEF5FA;
  --card-bg: #FFFFFF;
  --body-text: #1F394F;
  --muted-text: #5B738B;
  --weak-text: #8AA0B3;
  --border-line: rgba(47, 92, 128, 0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-card: 0 10px 30px rgba(30, 80, 120, 0.08);
  --shadow-hover: 0 18px 44px rgba(30, 80, 120, 0.15);
  --container-max: 1280px;
  --font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--body-text);
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family);
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 0.5rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

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

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

button,
input,
select,
textarea {
  font-family: var(--font-family);
}

.container {
  max-width: var(--container-max);
}

.main-content {
  overflow: hidden;
}

.site-header {
  position: relative;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border-line);
  box-shadow: 0 8px 28px rgba(30, 80, 120, 0.1);
}

.navbar {
  padding-top: 0;
  padding-bottom: 0;
  min-height: 72px;
}

.brand-block {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 210px;
  color: var(--body-text);
}

.brand-block:hover {
  color: var(--body-text);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--mint) 100%);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(62, 146, 204, 0.28);
  flex: 0 0 40px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-corecopy {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--body-text);
}

.brand-tagline {
  font-size: 12px;
  color: var(--weak-text);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.navbar-nav {
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0.6rem 1rem !important;
  font-size: 16px;
  font-weight: 500;
  color: var(--muted-text);
  border-radius: 999px;
  position: relative;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.nav-link:hover {
  color: var(--brand-dark);
  background: rgba(62, 146, 204, 0.06);
}

.nav-link.active {
  color: var(--brand-dark);
  font-weight: 600;
  background: rgba(62, 146, 204, 0.08);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.header-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted-text);
  white-space: nowrap;
  border: 1px solid var(--border-line);
  background: rgba(246, 250, 253, 0.7);
  padding: 7px 14px;
  border-radius: 999px;
}

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px var(--mint-light);
  animation: livePulse 1.8s infinite ease-out;
}

@keyframes livePulse {
  0%, 100% {
    box-shadow: 0 0 0 3px rgba(25, 185, 154, 0.2);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(25, 185, 154, 0.08);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 10px;
  padding: 12px 24px;
  line-height: 1.5;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: 0 10px 22px rgba(62, 146, 204, 0.2);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(62, 146, 204, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: inset 0 3px 8px rgba(0, 0, 0, 0.12);
}

.btn-soft {
  background: #fff;
  border-color: rgba(62, 146, 204, 0.35);
  color: var(--brand-dark);
}

.btn-soft:hover,
.btn-soft:focus {
  background: var(--brand-light);
  border-color: var(--brand);
  color: var(--brand-dark);
  transform: translateY(-2px);
}

.btn-soft:active {
  transform: translateY(0);
  box-shadow: inset 0 2px 6px rgba(30, 80, 120, 0.08);
}

.btn-lg {
  min-height: 50px;
  padding: 0.7rem 1.6rem;
}

.btn-sm {
  min-height: 40px;
  padding: 0.45rem 1.1rem;
  font-size: 14px;
}

.text-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  color: var(--brand);
}

.text-btn .arrow-symbol {
  transition: transform 0.2s ease;
}

.text-btn:hover .arrow-symbol {
  transform: translateX(4px);
}

.header-cta {
  min-width: 150px;
  font-weight: 600;
}

/* 分类页2顶部 */
.cate2-hero {
  position: relative;
  padding: clamp(58px, 8vw, 96px) 0 64px;
  background:
    linear-gradient(115deg, rgba(246, 250, 253, 0.9) 20%, rgba(255, 255, 255, 0.3) 70%),
    url('/assets/images/backpic/back-1.webp') right center / cover no-repeat;
  border-bottom: 1px solid var(--border-line);
}

.cate2-hero-inner {
  display: flex;
  align-items: center;
  gap: clamp(32px, 5vw, 68px);
}

.cate2-hero .hero-copy {
  flex: 1.02;
}

.cate2-hero .hero-media {
  flex: 0.98;
  position: relative;
}

.cate2-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--mint-light);
  color: #0D8A73;
  font-size: 14px;
  font-weight: 600;
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 18px;
}

.cate2-hero h1 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  color: var(--body-text);
  margin-bottom: 16px;
  letter-spacing: 0;
}

.cate2-hero .hero-sub {
  font-size: 17px;
  color: var(--muted-text);
  line-height: 1.85;
  max-width: 620px;
  margin-bottom: 8px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 18px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  color: var(--weak-text);
  font-size: 14px;
}

.hero-trust .status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border-line);
  border-radius: 999px;
  padding: 5px 12px;
  color: var(--muted-text);
}

.hero-media-frame {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(31, 57, 79, 0.18);
  border: 5px solid rgba(255, 255, 255, 0.7);
}

.hero-media-frame img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.media-float-badge {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 14px;
}

.media-float-badge .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mint);
}

.media-float-badge small {
  display: block;
  font-weight: 400;
  color: var(--muted-text);
  font-size: 12px;
}

.media-float-top {
  position: absolute;
  right: 16px;
  top: 16px;
  background: var(--orange-light);
  border: 1px solid rgba(255, 142, 77, 0.3);
  color: #B45A20;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 6px 14px;
}

/* 社区摘要条 */
.community-strip {
  padding: 36px 0;
  background: #fff;
  border-bottom: 1px solid var(--border-line);
}

.community-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.community-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  background: var(--bg);
  padding: 20px 20px 16px;
  transition: all 0.25s ease;
  min-height: 148px;
}

.community-item:hover {
  border-color: rgba(62, 146, 204, 0.4);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
  background: #fff;
}

.community-item .ci-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(62, 146, 204, 0.12), rgba(25, 185, 154, 0.14));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--brand);
  font-weight: 700;
}

.community-item h5 {
  font-size: 16px;
  margin: 0;
}

.community-item p {
  margin: 0;
  color: var(--muted-text);
  font-size: 14px;
  line-height: 1.7;
}

/* 纵向条目主题区 */
.community-index-section {
  padding: clamp(58px, 8vw, 88px) 0 80px;
  background: var(--bg);
}

.section-heading {
  max-width: 830px;
  margin-bottom: 40px;
}

.section-heading h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: 0;
  color: var(--body-text);
}

.section-heading p {
  color: var(--muted-text);
  font-size: 16px;
  margin-top: 10px;
}

.community-index-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.community-index-list li {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  align-items: center;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.community-index-list li:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(62, 146, 204, 0.3);
}

.community-index-list .index-num {
  font-size: 28px;
  line-height: 1;
  font-weight: 800;
  color: rgba(62, 146, 204, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.community-index-list .index-num::before {
  content: "0";
}

.community-index-list .list-content {
  min-width: 0;
}

.list-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 6px;
}

.list-category-tag {
  display: inline-flex;
  align-items: center;
  background: var(--mint-light);
  color: #12866F;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 7px;
  letter-spacing: 0.04em;
}

.community-index-list li h3 {
  font-size: 21px;
  font-weight: 700;
  margin: 0;
  color: var(--body-text);
}

.community-index-list .list-text {
  margin: 6px 0 10px;
  color: var(--muted-text);
  font-size: 15px;
  line-height: 1.8;
  max-width: 720px;
}

.list-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.list-tag {
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 3px 12px;
  color: var(--muted-text);
  font-size: 13px;
  border: 1px solid transparent;
}

.list-link {
  white-space: nowrap;
  padding-left: 16px;
}

.list-link .text-btn {
  color: var(--brand);
  font-weight: 600;
}

.list-link .text-btn:hover {
  color: var(--brand-dark);
}

/* 中部转化条 */
.pulse-cta-section {
  padding: 12px 0 76px;
  background: var(--bg);
}

.cta-strip {
  position: relative;
  background:
    linear-gradient(120deg, rgba(238, 245, 250, 0.95), rgba(255, 255, 255, 0.9)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  border: 1px solid var(--border-line);
  border-radius: 28px;
  padding: clamp(28px, 5vw, 56px);
  box-shadow: 0 16px 40px rgba(30, 80, 120, 0.08);
}

.cta-strip-inner {
  max-width: 820px;
}

.cta-strip h2 {
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 800;
  color: var(--body-text);
  margin-bottom: 8px;
}

.cta-strip .cta-sub {
  color: var(--muted-text);
  font-size: 16px;
  margin-bottom: 20px;
}

.cta-privacy-note {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--weak-text);
  font-size: 13px;
  margin-top: 14px;
}

.cta-privacy-note svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}

/* 评分问答区 */
.faq-section {
  background: #fff;
  padding: clamp(58px, 8vw, 88px) 0 80px;
  border-top: 1px solid var(--border-line);
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
}

.faq-grid .section-heading {
  margin-bottom: 12px;
}

.faq-grid .section-heading h2 {
  font-size: clamp(24px, 3vw, 36px);
}

.faq-grid .section-heading p {
  color: var(--muted-text);
  line-height: 1.8;
}

.faq-accordion {
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--border-line);
}

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

.faq-question {
  display: block;
  background: #fff;
  padding: 21px 24px;
  font-weight: 600;
  font-size: 16px;
  color: var(--body-text);
  text-align: left;
  border: 0;
  width: 100%;
  cursor: pointer;
}

.faq-question {
  position: relative;
}

.faq-question span {
  display: block;
  position: relative;
  z-index: 2;
}

.faq-answer {
  display: none;
  padding: 0 24px 20px 24px;
  color: var(--muted-text);
  font-size: 15px;
  line-height: 1.85;
}

.faq-item.is-active .faq-answer {
  display: block;
}

.faq-item.is-active .faq-question {
  color: var(--brand-dark);
}

.faq-question .faq-icon {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  font-size: 20px;
  opacity: 0.6;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.faq-item.is-active .faq-icon {
  transform: translateY(-50%) rotate(45deg);
  opacity: 1;
}

/* 页脚 */
.site-footer {
  background: #EEF5FA;
  border-top: 1px solid var(--border-line);
  padding-top: 54px;
}

.footer-top {
  padding-bottom: 42px;
}

.f-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.f-brand .brand-corecopy {
  font-size: 20px;
}

.footer-note {
  color: var(--muted-text);
  font-size: 15px;
  max-width: 340px;
  line-height: 1.8;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--body-text);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links li a {
  color: var(--muted-text);
  font-size: 15px;
  padding: 6px 0;
  display: inline-block;
}

.footer-links li a:hover {
  color: var(--brand);
}

.footer-contact-note p {
  color: var(--muted-text);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.footer-bottom {
  border-top: 1px solid rgba(47, 92, 128, 0.1);
  padding: 18px 0 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--weak-text);
  font-size: 13px;
}

/* 弹窗 */
.contact-modal .modal-content {
  border: 0;
  border-radius: 20px;
  box-shadow: 0 24px 80px rgba(31, 57, 79, 0.2);
  overflow: hidden;
}

.contact-modal .modal-header {
  border-bottom: 1px solid var(--border-line);
  padding: 22px 26px;
}

.contact-modal .modal-body {
  padding: 26px;
}

.contact-modal .modal-title {
  font-weight: 700;
  color: var(--body-text);
}

.contact-form .form-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--body-text);
  margin-bottom: 6px;
}

.contact-form .form-control,
.contact-form .form-select {
  min-height: 48px;
  border-radius: 10px;
  border: 1px solid rgba(47, 92, 128, 0.2);
  background: #fff;
  padding: 0.65rem 1rem;
  color: var(--body-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form textarea.form-control {
  min-height: 100px;
  padding-top: 12px;
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(62, 146, 204, 0.12);
  outline: 0;
}

.form-privacy-note {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--muted-text);
  font-size: 13px;
  line-height: 1.6;
}

.form-privacy-note svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  color: var(--brand);
}

.modal-backdrop.show {
  opacity: 0.6;
}

/* 响应式 */
@media (max-width: 1199px) {
  .cate2-hero-inner {
    flex-direction: column;
  }

  .cate2-hero .hero-copy,
  .cate2-hero .hero-media {
    width: 100%;
  }

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

  .faq-grid {
    grid-template-columns: 1fr 1.4fr;
    gap: 28px;
  }
}

@media (max-width: 991px) {
  .navbar {
    min-height: 66px;
  }

  .site-header.is-scrolled {
    box-shadow: 0 4px 16px rgba(30, 80, 120, 0.06);
  }

  .navbar-collapse {
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    background: #fff;
    border-bottom: 1px solid var(--border-line);
    box-shadow: 0 20px 40px rgba(30, 80, 120, 0.1);
    padding: 14px 20px 18px;
    border-radius: 0 0 18px 18px;
  }

  .navbar-nav {
    gap: 0;
    flex-direction: column;
  }

  .nav-link {
    padding: 0.8rem 0.75rem !important;
  }

  .nav-link::after {
    display: none;
  }

  .header-actions {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
  }

  .header-state {
    width: auto;
  }

  .community-index-list li {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 10px;
    padding: 20px;
  }

  .community-index-list .index-num {
    justify-content: flex-start;
  }

  .list-link {
    padding: 4px 0 0;
  }

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

@media (max-width: 767px) {
  .brand-mini {
    min-width: auto;
  }

  .brand-block {
    min-width: 0;
  }

  .brand-corecopy {
    font-size: 17px;
  }

  .brand-tagline {
    display: none;
  }

  .cate2-hero {
    padding-top: 42px;
  }

  .hero-media-frame img {
    height: 220px;
  }

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

  .community-index-section {
    padding-top: 46px;
  }

  .community-index-list li {
    padding: 18px 16px;
  }

  .community-index-list li h3 {
    font-size: 18px;
  }

  .cta-strip {
    padding: 28px 20px;
  }

  .btn-lg {
    min-height: 48px;
  }

  .hero-actions .btn-lg {
    width: 100%;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .contact-modal .modal-body {
    padding: 20px;
  }

  .contact-modal .modal-header {
    padding: 18px 20px;
  }

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