/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --bg-deep: #0B0A11;
  --bg-dark: #12101C;
  --bg-panel: #191626;
  --bg-card: #1F1B2E;
  --bg-parchment: #282336;
  --accent: #C6A24A;
  --accent-weak: #E2C879;
  --accent-dark: #8A6D31;
  --accent-rgb: 198, 162, 74;
  --line: rgba(198, 162, 74, 0.28);
  --line-strong: rgba(198, 162, 74, 0.55);
  --text-hi: #F0E9D8;
  --text-body: #CBC2D4;
  --text-mute: #7E748C;
  --success: #6E9A6E;
  --danger: #B85848;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 6px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--line-strong), 0 0 24px rgba(var(--accent-rgb), 0.12);
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --header-h: 76px;
}

/* ===== 基础重置 ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  background-color: var(--bg-dark);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(var(--accent-rgb), 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(88, 72, 139, 0.08) 0%, transparent 40%),
    linear-gradient(180deg, #16121F 0%, #120F1B 50%, #0E0C17 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-hi);
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 0.5em;
  letter-spacing: 0.02em;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--accent-weak);
  text-decoration: none;
  border-bottom: 1px dashed rgba(var(--accent-rgb), 0.5);
  transition: color 0.2s ease, border-color 0.2s ease;
}
a:hover {
  color: var(--accent-weak);
  border-bottom-style: solid;
  border-bottom-color: var(--accent-weak);
}
a:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

::selection {
  background: rgba(var(--accent-rgb), 0.3);
  color: var(--text-hi);
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: #14121F;
}
::-webkit-scrollbar-thumb {
  background: #3A3250;
  border-radius: 999px;
  border: 2px solid #14121F;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-dark);
}

/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-pad {
  padding-top: 100px;
  padding-bottom: 100px;
}

.section-title-wrap {
  text-align: center;
  margin-bottom: 60px;
}

.section-kicker {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 16px;
  margin-bottom: 16px;
  background: rgba(var(--accent-rgb), 0.06);
}

.section-title {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 900;
  position: relative;
  padding-bottom: 18px;
  margin-bottom: 18px;
}
.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.section-desc {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-mute);
  font-size: 15px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 32px;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  cursor: pointer;
}

.btn-gold {
  background: linear-gradient(135deg, #C6A24A 0%, #A8863B 100%);
  color: #1A1508;
  border-color: rgba(var(--accent-rgb), 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 4px 12px rgba(0, 0, 0, 0.3);
}
.btn-gold:hover {
  background: linear-gradient(135deg, #D4B35C 0%, #B8933F 100%);
  color: #1A1508;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 0 20px rgba(var(--accent-rgb), 0.25);
  transform: translateY(-2px);
}
.btn-gold:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--accent-weak);
  border-color: var(--accent-weak);
  transform: translateY(-2px);
}
.btn-ghost:active {
  transform: translateY(0);
}

.btn-sm {
  padding: 9px 20px;
  font-size: 14px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 10, 17, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.18);
}

.site-header::before {
  content: '';
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.7) 30%, rgba(var(--accent-rgb), 0.7) 70%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--header-h);
  padding: 0 24px;
  gap: 24px;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}

.nav-right {
  justify-content: flex-end;
}

.nav-link {
  font-size: 15px;
  color: var(--text-hi);
  font-weight: 500;
  text-decoration: none;
  border: none;
  padding: 8px 2px;
  position: relative;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-weak));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}
.nav-link:hover {
  color: var(--accent-weak);
  border: none;
}
.nav-link:hover::after {
  transform: scaleX(1);
}
.nav-link.active {
  color: var(--accent-weak);
}
.nav-link.active::after {
  transform: scaleX(1);
}

.logo-block {
  flex-shrink: 0;
  text-align: center;
  width: 300px;
  padding: 0 8px;
  text-decoration: none;
  border: none;
}

.logo-mark {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.3;
  color: var(--text-hi);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.logo-mark i {
  color: var(--accent);
  font-size: 18px;
}
.logo-mark em {
  font-style: normal;
  color: var(--accent);
}

.logo-sub {
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-hamburger {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  background: #0D0B15;
  border-top: 1px solid var(--line);
  padding: 12px 0 20px;
}
.mobile-nav.is-open {
  display: block;
}
.mobile-nav .mobile-link {
  display: block;
  padding: 14px 24px;
  font-size: 16px;
  color: var(--text-hi);
  text-decoration: none;
  border: none;
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.12);
}
.mobile-nav .mobile-link:hover {
  background: rgba(var(--accent-rgb), 0.05);
  color: var(--accent-weak);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 160px 24px 80px;
  background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 10, 17, 0.86) 0%, rgba(18, 16, 28, 0.72) 50%, rgba(11, 10, 17, 0.96) 100%);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 60%, rgba(var(--accent-rgb), 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
}

.hero-emblem {
  width: 68px;
  height: 68px;
  margin: 0 auto 28px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 26px;
  background: rgba(var(--accent-rgb), 0.06);
  box-shadow: 0 0 40px rgba(var(--accent-rgb), 0.15);

}
.hero-emblem::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 80px;
  border: 1px dashed var(--line);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-title {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 900;
  color: var(--text-hi);
  margin-bottom: 22px;
  line-height: 1.3;
}
.hero-title .highlight {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 17px;
  color: var(--text-body);
  max-width: 720px;
  margin: 0 auto 40px;
  line-height: 2;
}

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

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
  padding: 16px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(11, 10, 17, 0.55);
  backdrop-filter: blur(4px);
}
.hero-stat-num {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--accent-weak);
  font-weight: 900;
}
.hero-stat-label {
  font-size: 13px;
  color: var(--text-mute);
  margin-top: 4px;
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-mute);
  font-size: 22px;
  opacity: 0.7;
  animation: floatDown 2s ease-in-out infinite;
  z-index: 2;
}

@keyframes floatDown {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 10px); }
}

/* ===== 功能分组区 ===== */
.features {
  background:
    linear-gradient(180deg, rgba(var(--accent-rgb), 0.03) 0%, transparent 60%),
    var(--bg-dark);
}

.features-grid {
  margin-top: 20px;
}

.feature-card {
  height: 100%;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  text-align: center;
  position: relative;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}
.feature-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.35), 0 12px 28px rgba(0, 0, 0, 0.4);
  transform: translateY(-3px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 22px;
  background: rgba(var(--accent-rgb), 0.06);
}

.feature-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
  color: var(--text-hi);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.8;
  margin: 0;
}

.feature-offset .cell:nth-child(2) {
  transform: translateY(20px);
}
.feature-offset .cell:nth-child(5) {
  transform: translateY(20px);
}
.feature-offset .cell:nth-child(3) {
  transform: translateY(32px);
}
.feature-offset .cell:nth-child(6) {
  transform: translateY(32px);
}

/* ===== 使用场景区 ===== */
.scenarios {
  background: var(--bg-dark);
}

.scenario-row {
  display: flex;
  align-items: center;
  gap: 56px;
  padding: 48px 36px;
  margin-bottom: 32px;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.05) 0%, rgba(20, 18, 29, 0.9) 40%, rgba(20, 18, 29, 0.9) 100%);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s ease;
}
.scenario-row:hover {
  border-color: var(--line-strong);
}

.scenario-row.reverse {
  flex-direction: row-reverse;
  background: linear-gradient(270deg, rgba(var(--accent-rgb), 0.05) 0%, rgba(20, 18, 29, 0.9) 40%, rgba(20, 18, 29, 0.9) 100%);
}

.scenario-img {
  flex: 0 0 46%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  padding: 6px;
  background: #0E0C17;
}
.scenario-img .media-frame {
  border-radius: calc(var(--radius-md) - 4px);
}

.media-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: #0E0C17;
  background-image: radial-gradient(circle at 30% 30%, rgba(var(--accent-rgb), 0.08) 0%, transparent 60%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame i {
  font-size: 34px;
  color: var(--accent-dark);
  opacity: 0.5;
}

.scenario-content {
  flex: 1;
}

.scenario-content h3 {
  font-size: 22px;
  color: var(--text-hi);
  margin-bottom: 14px;
}

.scenario-content p {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 14px;
}

.text-link {
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border: none;
  border-bottom: 1px dashed rgba(var(--accent-rgb), 0.6);
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.text-link:hover {
  color: var(--accent-weak);
  border-bottom-color: var(--accent-weak);
  border-bottom-style: solid;
}
.text-link::after {
  content: '→';
  margin-left: 4px;
}

/* ===== 成功案例区 ===== */
.showcase {
  background:
    repeating-linear-gradient(45deg, rgba(var(--accent-rgb), 0.015) 0px, rgba(var(--accent-rgb), 0.015) 2px, transparent 2px, transparent 8px),
    var(--bg-panel);
}

.showcase .grid-container {
  max-width: 1100px;
}

.venue-card {
  background: var(--bg-parchment);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.venue-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--line-strong);
}

.venue-media {
  padding: 8px;
  background: #0E0C17;
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.2);
}

.venue-body {
  padding: 24px 26px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.venue-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.tag {
  display: inline-block;
  font-size: 12px;
  color: var(--accent-weak);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 12px;
  line-height: 1.7;
}

.tag-green {
  color: var(--success);
  border-color: rgba(110, 154, 110, 0.45);
  background: rgba(110, 154, 110, 0.08);
}

.venue-body h3 {
  font-size: 20px;
  color: var(--text-hi);
  margin-bottom: 8px;
}

.venue-comment {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.8;
  flex: 1;
  margin-bottom: 16px;
}

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

.venue-area {
  font-size: 13px;
  color: var(--text-mute);
}

/* ===== 价格方案区 ===== */
.pricing {
  background: var(--bg-dark);
}

.pricing-grid {
  align-items: stretch;
}

.pricing-card {
  position: relative;
  height: 100%;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px 32px 42px;
  text-align: center;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.pricing-card.featured {
  background: linear-gradient(160deg, rgba(var(--accent-rgb), 0.18) 0%, var(--bg-panel) 60%, var(--bg-card) 100%);
  border-color: var(--accent-weak);
  box-shadow: 0 0 36px rgba(var(--accent-rgb), 0.14);
}

.pricing-card.premium {
  background: linear-gradient(160deg, #181331 0%, var(--bg-card) 100%);
  border-color: rgba(138, 91, 197, 0.45);
}

.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-weak), var(--accent));
  color: #1A1508;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.pricing-name {
  font-size: 20px;
  color: var(--text-hi);
  margin-bottom: 6px;
}

.pricing-price {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 900;
  color: var(--accent-weak);
  line-height: 1.2;
  margin-bottom: 4px;
}
.pricing-price small {
  font-size: 15px;
  color: var(--text-mute);
  font-weight: 400;
}

.pricing-desc {
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: 26px;
}

.pricing-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  flex: 1;
}

.pricing-list li {
  font-size: 14px;
  color: var(--text-body);
  padding: 8px 0;
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.08);
  text-align: left;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.pricing-list li::before {
  content: '◆';
  color: var(--accent);
  font-size: 10px;
  margin-top: 7px;
  flex-shrink: 0;
}

.pricing-cta {
  width: 100%;
}

/* ===== 最新动态区 ===== */
.news {
  background:
    radial-gradient(ellipse at 70% 30%, rgba(var(--accent-rgb), 0.04) 0%, transparent 50%),
    var(--bg-dark);
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.news-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 0 22px rgba(var(--accent-rgb), 0.1);
}
.news-card::before {
  content: '✦';
  position: absolute;
  top: 16px;
  right: 20px;
  color: var(--accent);
  opacity: 0.5;
  font-size: 13px;
}

.news-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 12px;
  margin-bottom: 14px;
  background: rgba(var(--accent-rgb), 0.05);
}

.news-card h3 {
  font-size: 18px;
  line-height: 1.55;
  margin-bottom: 12px;
}
.news-card h3 a {
  color: var(--text-hi);
  text-decoration: none;
  border: none;
  transition: color 0.2s ease;
}
.news-card h3 a:hover {
  color: var(--accent-weak);
}

.news-summary {
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.8;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid rgba(var(--accent-rgb), 0.12);
}

.news-date {
  font-size: 13px;
  color: var(--text-mute);
  display: flex;
  align-items: center;
  gap: 6px;
}
.news-date i {
  font-size: 12px;
  color: var(--accent-dark);
}

.news-more-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  border: none;
}
.news-more-link:hover {
  color: var(--accent-weak);
}
.news-more-link::after {
  content: '→';
  margin-left: 4px;
}

.news-empty {
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  padding: 60px 20px;
  text-align: center;
  color: var(--text-mute);
  background: rgba(var(--accent-rgb), 0.02);
}
.news-empty i {
  font-size: 42px;
  color: var(--accent-dark);
  display: block;
  margin-bottom: 16px;
  opacity: 0.7;
}
.news-empty p {
  margin: 0;
  font-size: 15px;
}

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

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

details.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  background: rgba(18, 16, 28, 0.6);
  transition: border-color 0.2s ease;
}
details.faq-item[open] {
  border-color: var(--line-strong);
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-hi);
  transition: color 0.2s ease;
  user-select: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--accent-weak);
}
.faq-item summary::before {
  content: '◆';
  color: var(--accent);
  font-size: 10px;
  flex-shrink: 0;
}
.faq-item summary .faq-icon {
  margin-left: auto;
  font-size: 14px;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
details.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
}
details.faq-item[open] summary {
  color: var(--accent-weak);
}

.faq-answer {
  padding: 0 22px 20px 52px;
  font-size: 15px;
  color: var(--text-body);
  line-height: 2;
  margin: 0;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background:
    url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat,
    linear-gradient(135deg, #1B1523 0%, #2A1F2D 50%, #141124 100%);
  padding: 110px 24px;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 10, 17, 0.85) 0%, rgba(18, 16, 28, 0.9) 100%);
}
.cta-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(var(--accent-rgb), 0.08) 0%, transparent 50%);
}

.cta-inner {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  color: var(--text-hi);
  margin-bottom: 16px;
}

.cta-section p {
  max-width: 620px;
  margin: 0 auto 36px;
  color: var(--text-body);
  font-size: 16px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(var(--accent-rgb), 0.25);
  padding-top: 64px;
}

.footer-grid {
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.1);
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 20px;
  color: var(--text-hi);
  line-height: 1.4;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand-name i {
  color: var(--accent);
  font-size: 18px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.9;
}

.footer-title {
  font-size: 15px;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--accent-weak);
  margin-bottom: 18px;
  letter-spacing: 0.06em;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-body);
  text-decoration: none;
  border: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-links a:hover {
  color: var(--accent-weak);
  padding-left: 6px;
}

.footer-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-contact-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--text-body);
  margin-bottom: 12px;
  line-height: 1.7;
}
.footer-contact-list i {
  color: var(--accent);
  margin-top: 4px;
  flex-shrink: 0;
}

.footer-note {
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.9;
  margin: 0;
}

.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-mute);
}
.footer-bottom a {
  color: var(--text-mute);
  text-decoration: none;
  border: none;
}
.footer-bottom a:hover {
  color: var(--accent-weak);
}

/* ===== 响应式 ===== */
@media screen and (max-width: 63.9375em) {
  .nav-left,
  .nav-right {
    display: none;
  }
  .header-inner {
    justify-content: space-between;
  }
  .logo-block {
    width: auto;
    margin: 0 auto;
  }
  .nav-hamburger {
    display: flex;
  }
  .mobile-nav {
    display: none;
  }
  .mobile-nav.is-open {
    display: block;
  }
  .scenario-row,
  .scenario-row.reverse {
    flex-direction: column;
    gap: 32px;
    padding: 28px;
  }
  .scenario-img {
    flex: 1 1 100%;
    width: 100%;
  }
  .scenario-content {
    flex: 1 1 100%;
    width: 100%;
  }
  .feature-offset .cell {
    transform: none !important;
  }
}

@media screen and (max-width: 39.9375em) {
  .header-inner {
    padding: 0 16px;
    height: 66px;
  }
  .logo-mark {
    font-size: 16px;
    gap: 6px;
  }
  .logo-sub {
    font-size: 9px;
    letter-spacing: 0.18em;
  }
  .hero {
    padding: 130px 16px 70px;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-stats {
    gap: 12px;
  }
  .hero-stat {
    padding: 12px 16px;
  }
  .hero-stat-num {
    font-size: 22px;
  }
  .section-pad {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .section-desc {
    font-size: 14px;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-cta .btn {
    width: auto;
  }
  .pricing-card {
    padding: 32px 22px;
  }
  .news-card {
    padding: 22px;
  }
  .footer-grid .cell {
    margin-bottom: 28px;
  }
  .cta-section {
    padding: 80px 16px;
  }
}

@media screen and (max-width: 30em) {
  .hero-stats {
    flex-direction: column;
    width: 100%;
    align-items: center;
  }
  .hero-stat {
    width: 100%;
    max-width: 280px;
  }
}

/* roulang page: article */
:root {
            --bg-deep: #0B0A11;
            --bg-dark: #12101C;
            --bg-panel: #191626;
            --bg-card: #1F1B2E;
            --bg-parchment: #282336;
            --accent: #C6A24A;
            --accent-weak: #E2C879;
            --accent-dark: #8A6D31;
            --accent-rgb: 198, 162, 74;
            --line: rgba(198, 162, 74, 0.28);
            --line-strong: rgba(198, 162, 74, 0.55);
            --text-hi: #F0E9D8;
            --text-body: #CBC2D4;
            --text-mute: #7E748C;
            --success: #6E9A6E;
            --danger: #B85848;
            --radius-lg: 16px;
            --radius: 11px;
            --radius-sm: 6px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--line-strong), 0 0 24px rgba(198, 162, 74, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background:
                radial-gradient(ellipse at 15% 0%, rgba(198, 162, 74, 0.06), transparent 50%),
                radial-gradient(ellipse at 85% 100%, rgba(120, 80, 180, 0.05), transparent 50%),
                linear-gradient(180deg, var(--bg-deep), var(--bg-dark) 40%, var(--bg-dark));
            background-attachment: fixed;
            -webkit-font-smoothing: antialiased;
        }

        ::selection {
            background: rgba(var(--accent-rgb), 0.30);
            color: #fff;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
        }

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

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

        .container,
        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 10, 17, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
        }

        .header-top-line {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 12px;
            gap: 12px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
            max-width: 340px;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line-strong);
            border-radius: 50%;
            color: var(--accent);
            font-size: 16px;
            background: radial-gradient(circle, rgba(var(--accent-rgb), 0.15), transparent 70%);
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.04em;
            color: var(--text-hi);
            line-height: 1.35;
            white-space: nowrap;
            background: linear-gradient(180deg, var(--accent-weak), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 18px rgba(var(--accent-rgb), 0.12);
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            display: inline-block;
            padding: 6px 12px;
            font-size: 14px;
            letter-spacing: 0.02em;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            border-bottom: 2px solid transparent;
            transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
        }

        .nav-link:hover {
            color: var(--accent-weak);
            background: rgba(var(--accent-rgb), 0.07);
            border-bottom-color: var(--accent);
        }

        .nav-link.is-active {
            color: var(--accent-weak);
            border-bottom-color: var(--accent);
            font-weight: 600;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            background: transparent;
            cursor: pointer;
            flex-shrink: 0;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: border-color 0.25s ease;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 1px;
            background: var(--accent);
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .menu-toggle:hover {
            border-color: var(--line-strong);
        }

        .mobile-menu {
            display: none;
            border-top: 1px solid var(--line);
            background: var(--bg-deep);
        }

        .mobile-menu.is-open {
            display: block;
        }

        .mobile-menu nav {
            display: flex;
            flex-direction: column;
            padding: 8px 24px 16px;
        }

        .mobile-menu nav a {
            padding: 12px 4px;
            border-bottom: 1px solid rgba(var(--accent-rgb), 0.12);
            font-size: 15px;
            color: var(--text-body);
        }

        .mobile-menu nav a:last-child {
            border-bottom: none;
        }

        .mobile-menu nav a:hover {
            color: var(--accent-weak);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            line-height: 1.4;
            text-align: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-weak), var(--accent) 60%, var(--accent-dark));
            color: #1a1305;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
        }

        .btn-primary:hover {
            color: #1a1305;
            filter: brightness(1.08);
            box-shadow: 0 6px 22px rgba(var(--accent-rgb), 0.35), 0 4px 14px rgba(0, 0, 0, 0.3);
            transform: translateY(-1px);
        }

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

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

        .btn-secondary {
            background: transparent;
            border: 1px solid var(--line-strong);
            color: var(--accent);
        }

        .btn-secondary:hover {
            background: rgba(var(--accent-rgb), 0.08);
            color: var(--accent-weak);
            border-color: var(--accent);
        }

        .btn-secondary:focus-visible {
            outline: 2px dashed var(--accent);
            outline-offset: 3px;
        }

        .tag {
            display: inline-block;
            padding: 3px 14px;
            font-size: 12px;
            letter-spacing: 0.03em;
            border-radius: 999px;
            background: rgba(var(--accent-rgb), 0.14);
            border: 1px solid var(--line);
            color: var(--accent-weak);
            white-space: nowrap;
        }

        .tag-success {
            background: rgba(110, 154, 110, 0.18);
            border-color: rgba(110, 154, 110, 0.4);
            color: #a8d4a8;
        }

        .post-meta {
            font-size: 13px;
            color: var(--text-mute);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .post-meta i {
            color: var(--accent);
            font-size: 12px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: clamp(26px, 3.6vw, 38px);
            font-weight: 700;
            color: var(--text-hi);
            text-align: center;
            letter-spacing: 0.03em;
            margin: 0 0 12px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 2px;
            margin: 18px auto 0;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            border-radius: 2px;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-mute);
            font-size: 15px;
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.8;
        }

        .article-hero {
            position: relative;
            padding: 72px 0 56px;
            background: linear-gradient(180deg, var(--bg-deep), var(--bg-dark));
            border-bottom: 1px solid var(--line);
            text-align: center;
            overflow: hidden;
        }

        .article-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            pointer-events: none;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 260px;
            height: 260px;
            border: 1px solid rgba(var(--accent-rgb), 0.12);
            border-radius: 50%;
            pointer-events: none;
            box-shadow: 0 0 0 30px rgba(var(--accent-rgb), 0.03), 0 0 0 60px rgba(var(--accent-rgb), 0.02);
        }

        .article-hero .container {
            position: relative;
            z-index: 1;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-mute);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: var(--text-mute);
            transition: color 0.25s;
        }

        .article-breadcrumb a:hover {
            color: var(--accent);
        }

        .article-breadcrumb .breadcrumb-current {
            color: var(--text-body);
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-category {
            margin-bottom: 16px;
        }

        .article-hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            color: var(--text-hi);
            line-height: 1.45;
            letter-spacing: 0.02em;
            max-width: 860px;
            margin: 0 auto 18px;
        }

        .article-subtitle {
            max-width: 680px;
            margin: 0 auto 20px;
            color: var(--text-mute);
            font-size: 15px;
            line-height: 1.8;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-mute);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--accent);
            font-size: 13px;
        }

        .article-body {
            padding: 64px 0 80px;
            background:
                radial-gradient(ellipse at 80% 10%, rgba(var(--accent-rgb), 0.05), transparent 50%),
                var(--bg-dark);
        }

        .article-content {
            max-width: 760px;
            margin: 0 auto;
            background: rgba(30, 27, 48, 0.72);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 44px 52px;
            box-shadow: var(--shadow-card);
            font-size: 16px;
            line-height: 2;
            color: var(--text-body);
        }

        .article-content h2 {
            font-family: var(--font-serif);
            font-size: 24px;
            color: var(--text-hi);
            margin: 1.8em 0 0.7em;
            padding-bottom: 8px;
            border-bottom: 1px solid rgba(var(--accent-rgb), 0.18);
        }

        .article-content h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            color: var(--text-hi);
            margin: 1.6em 0 0.6em;
        }

        .article-content h4 {
            font-family: var(--font-serif);
            font-size: 17px;
            color: var(--accent-weak);
            margin: 1.4em 0 0.5em;
        }

        .article-content p {
            margin: 0 0 1.2em;
        }

        .article-content a {
            color: var(--accent);
            border-bottom: 1px dashed var(--line-strong);
        }

        .article-content a:hover {
            color: var(--accent-weak);
            border-bottom-style: solid;
        }

        .article-content blockquote {
            margin: 1.6em 0;
            padding: 16px 22px;
            border-left: 3px solid var(--accent);
            background: rgba(var(--accent-rgb), 0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--accent-weak);
            font-style: normal;
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content ul,
        .article-content ol {
            margin: 1em 0 1.4em;
            padding-left: 8px;
        }

        .article-content li {
            margin-bottom: 6px;
            padding-left: 14px;
            position: relative;
        }

        .article-content ul li::before {
            content: '✦';
            position: absolute;
            left: -6px;
            top: 0;
            color: var(--accent);
            font-size: 13px;
        }

        .article-content ol {
            counter-reset: article-ol;
            list-style: none;
        }

        .article-content ol li {
            counter-increment: article-ol;
        }

        .article-content ol li::before {
            content: counter(article-ol) '.';
            position: absolute;
            left: -6px;
            color: var(--accent);
            font-weight: 600;
        }

        .article-content img {
            border-radius: var(--radius);
            border: 1px solid var(--line-strong);
            padding: 4px;
            background: var(--bg-card);
            margin: 28px auto;
            max-width: calc(100% - 8px);
            height: auto;
        }

        .article-content strong {
            color: var(--text-hi);
            font-weight: 600;
        }

        .article-content hr {
            border: none;
            height: 1px;
            margin: 2.4em 0;
            background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
        }

        .article-content pre {
            background: var(--bg-deep);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
            margin: 1.4em 0;
        }

        .article-not-found {
            text-align: center;
            padding: 60px 24px;
            max-width: 760px;
            margin: 0 auto;
        }

        .not-found-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line-strong);
            border-radius: 50%;
            color: var(--accent);
            font-size: 24px;
            background: rgba(var(--accent-rgb), 0.08);
        }

        .article-not-found p {
            font-size: 18px;
            color: var(--text-hi);
            margin-bottom: 24px;
        }

        .related-posts {
            padding: 80px 0;
            background: var(--bg-deep);
            border-top: 1px solid var(--line);
        }

        .related-posts .section-title {
            margin-bottom: 12px;
        }

        .related-grid {
            margin-top: 44px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--line-strong);
        }

        .media-frame {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background:
                radial-gradient(circle at 30% 30%, rgba(var(--accent-rgb), 0.1), transparent 60%),
                var(--bg-parchment);
        }

        .media-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .related-card:hover .media-frame img {
            transform: scale(1.04);
        }

        .media-frame::after {
            content: '';
            position: absolute;
            inset: 0;
            border: 1px solid rgba(var(--accent-rgb), 0.22);
            pointer-events: none;
        }

        .related-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex-grow: 1;
        }

        .related-card-body h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-hi);
            line-height: 1.5;
            margin: 0;
        }

        .related-card-body h3 a {
            color: var(--text-hi);
            transition: color 0.25s;
        }

        .related-card-body h3 a:hover {
            color: var(--accent-weak);
        }

        .related-card-body p {
            font-size: 14px;
            color: var(--text-mute);
            margin: 0;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }

        .related-card-body .post-meta {
            margin-top: 6px;
        }

        .back-home {
            text-align: center;
            margin-top: 48px;
        }

        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--line);
            padding: 64px 0 0;
        }

        .footer-grid {
            padding-bottom: 44px;
        }

        .footer-brand-name {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-brand-name i {
            color: var(--accent);
            font-size: 16px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-mute);
            margin: 0;
        }

        .footer-title {
            font-family: var(--font-serif);
            font-size: 15px;
            font-weight: 700;
            color: var(--accent-weak);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 1px;
            background: var(--line-strong);
        }

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

        .footer-links li {
            margin: 0;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-body);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

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

        .footer-contact-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
        }

        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
            line-height: 1.6;
        }

        .footer-contact-list i {
            color: var(--accent);
            font-size: 14px;
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-note {
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-mute);
            margin: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(var(--accent-rgb), 0.15);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-mute);
            margin: 0;
        }

        .footer-bottom a {
            color: var(--text-mute);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 63.9375em) {
            .header-inner {
                flex-wrap: wrap;
            }

            .nav-left {
                order: 1;
                flex: 1;
                justify-content: flex-start;
            }

            .site-logo {
                order: 2;
                max-width: 240px;
            }

            .logo-text {
                font-size: 14px;
            }

            .logo-full {
                display: none;
            }

            .nav-right {
                order: 3;
                flex: 1;
                justify-content: flex-end;
            }

            .article-content {
                padding: 36px 32px;
            }
        }

        @media (max-width: 39.9375em) {
            .container,
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .header-inner {
                flex-wrap: nowrap;
            }

            .nav-left,
            .nav-right {
                display: none;
            }

            .site-logo {
                max-width: none;
                flex: 1;
            }

            .logo-text {
                font-size: 15px;
                white-space: normal;
                line-height: 1.3;
            }

            .logo-full {
                display: inline;
            }

            .menu-toggle {
                display: flex;
            }

            .article-hero {
                padding: 52px 0 40px;
            }

            .article-hero h1 {
                font-size: 24px;
                line-height: 1.5;
            }

            .article-hero .article-breadcrumb {
                gap: 6px;
                font-size: 12px;
            }

            .article-breadcrumb .breadcrumb-current {
                max-width: 140px;
            }

            .article-meta {
                gap: 14px;
            }

            .article-meta span {
                font-size: 12px;
            }

            .article-body {
                padding: 44px 0 56px;
            }

            .article-content {
                padding: 26px 20px;
                font-size: 15px;
                line-height: 1.9;
                border-radius: var(--radius);
            }

            .related-posts {
                padding: 56px 0 64px;
            }

            .related-card {
                margin-bottom: 24px;
            }

            .back-home .btn {
                width: 100%;
            }

            .footer-brand-name {
                font-size: 16px;
            }

            .footer-desc,
            .footer-links a,
            .footer-contact-list,
            .footer-note {
                font-size: 13px;
            }
        }

        @media (max-width: 30em) {
            .logo-text {
                font-size: 13px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
        }