:root {
  --primary:        #7f8ea3;
  --primary-dark:   #677488;
  --primary-light:  #aeb8c6;
  --primary-bg:     rgba(127,142,163,0.09);
  --primary-border: rgba(127,142,163,0.24);
  --accent:         #b79a9f;
  --accent-bg:      rgba(183,154,159,0.1);

  --bg-body:        #f4f2ef;
  --bg-card:        #fcfbf9;
  --bg-card-alt:    #eeebe6;
  --bg-header:      rgba(252,251,249,0.95);
  --bg-footer:      #454c55;
  --bg-footer-alt:  #5a626d;

  --border:         #d8d2cb;
  --border-light:   #e8e3dd;
  --border-primary: rgba(127,142,163,0.3);

  --text:           #2d3136;
  --text-secondary: #626b74;
  --text-muted:     #8f979d;
  --text-light:     #bcc2c7;
  --text-white:     #fbfaf8;

  --radius-sm:      5px;
  --radius:         6px;
  --radius-lg:      8px;
  --radius-xl:      10px;

  --shadow-sm:      0 1px 3px rgba(45,49,54,0.06);
  --shadow:         0 2px 8px rgba(45,49,54,0.05);
  --shadow-md:      0 4px 14px rgba(45,49,54,0.07);
  --shadow-lg:      0 10px 24px rgba(45,49,54,0.08);
  --shadow-primary: 0 3px 10px rgba(127,142,163,0.14);

  --ease:           cubic-bezier(0.22, 0.61, 0.36, 1);
  --duration:       0.24s;
  --transition:     0.24s cubic-bezier(0.22, 0.61, 0.36, 1);

  --font:           'PingFang SC','Microsoft YaHei','Hiragino Sans GB',-apple-system,BlinkMacSystemFont,sans-serif;
  --font-mono:      'SF Mono','Fira Code',monospace;

  --container:      1188px;
  --header-h:       68px;
  --gap:            20px;
  --section-py:     72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg-body);
  color: var(--text);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}
a:hover { color: var(--primary-dark); }

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

ul, ol { list-style: none; }

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

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

::selection {
  background: rgba(183,154,159,0.18);
  color: var(--text);
}

::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: var(--bg-card-alt); }
::-webkit-scrollbar-thumb { background: #b8b0a8; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }

h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text);
}
h2 {
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.03em;
  color: var(--text);
}
h3 {
  font-size: clamp(1.08rem, 1.8vw, 1.34rem);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--text);
}
h4 {
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.38;
  color: var(--text);
}
h5 {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.38;
  color: var(--text);
}
p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.72;
}

.gold { color: var(--primary-dark); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

.section-title {
  margin-bottom: 40px;
}
.section-title h2 {
  margin-bottom: 10px;
}
.section-title h2 span { color: var(--primary-dark); }
.section-title p {
  color: var(--text-secondary);
  max-width: 580px;
  font-size: 0.96rem;
}
.section-title .divider {
  width: 42px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary-light) 100%);
  margin-top: 14px;
  border-radius: 6px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
}

.section {
  padding: var(--section-py) 0;
}
.section-dark  { background: #efede9; }
.section-card  { background: var(--bg-card); }
.section-card2 { background: var(--bg-card-alt); }

.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--gap); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--gap); }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--gap); }

.grid-main-sidebar {
  display: grid;
  grid-template-columns: minmax(0,1fr) 320px;
  gap: 32px;
}

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 10px; }
.gap-4 { gap: 20px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--primary-dark);
  color: var(--text-white);
}
.btn-primary:hover {
  background: #5b6779;
  color: var(--text-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary);
}
.btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary-dark);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary-bg);
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}
.btn-accent {
  background: var(--accent);
  color: var(--text-white);
}
.btn-accent:hover {
  background: #a9878d;
  color: var(--text-white);
  transform: translateY(-1px);
}
.btn-lg { padding: 14px 30px; font-size: 0.88rem; }
.btn-sm { padding: 8px 14px; font-size: 0.74rem; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-primary);
}
.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.card-body { padding: 22px; }
.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-title a:hover { color: var(--primary-dark); }
.card-meta {
  display: flex;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.68;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.post-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
}
.post-item:last-child { border-bottom: none; }
.post-item-thumb {
  width: 104px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius);
  flex-shrink: 0;
}
.post-item-body { flex: 1; min-width: 0; }
.post-item-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.42;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 7px;
}
.post-item-title a:hover { color: var(--primary-dark); }
.post-item-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.015em;
}

.cat-label {
  display: inline-block;
  background: #909ca8;
  color: var(--text-white);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}
.cat-label-accent { background: #ad9197; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img { height: 36px; width: auto; }
.site-logo-text {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.03em;
}

.main-nav { display: flex; align-items: center; }
.main-nav ul { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  display: block;
  padding: 7px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius);
  transition: color var(--transition), background-color var(--transition);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--primary-dark);
  background: var(--primary-bg);
}
.main-nav .nav-cta {
  background: var(--primary-dark);
  color: var(--text-white) !important;
  padding: 8px 16px;
  margin-left: 10px;
  border-radius: var(--radius);
}
.main-nav .nav-cta:hover {
  background: #5b6779;
  color: var(--text-white) !important;
}

.header-search { position: relative; }
.header-search input {
  background: #f1eeea;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 38px 10px 13px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  width: 188px;
  transition: width var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.header-search input:focus {
  border-color: var(--primary);
  width: 236px;
  background: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(127,142,163,0.12);
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search button {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.84rem;
}
.header-search button:hover { color: var(--primary-dark); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 7px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(244,242,239,0.97);
  backdrop-filter: blur(18px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--text);
  padding: 10px 26px;
  letter-spacing: 0.02em;
}
.mobile-nav a:hover { color: var(--primary-dark); }
.mobile-nav-close {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 1.6rem;
  color: var(--text-muted);
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #f7f4f1 0%, #f0ece7 54%, #ebe8e3 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.08;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(252,251,249,0.86) 0%, rgba(238,235,230,0.62) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 664px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(127,142,163,0.08);
  border: 1px solid rgba(127,142,163,0.22);
  color: var(--primary-dark);
  padding: 7px 14px;
  border-radius: var(--radius);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero h1 {
  margin-bottom: 18px;
}
.hero h1 span { color: var(--primary-dark); }
.hero p,
.hero-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 30px;
  max-width: 520px;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 42px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.hero-stat-num {
  font-size: 1.78rem;
  font-weight: 700;
  color: var(--primary-dark);
  display: block;
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -120px;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(173,145,151,0.1) 0%, rgba(173,145,151,0.03) 42%, transparent 72%);
  pointer-events: none;
}

.breadcrumb {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 11px 0;
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  font-size: 0.76rem;
  color: var(--text-muted);
}
.breadcrumb-list a { color: var(--primary-dark); }
.breadcrumb-list a:hover { text-decoration: underline; }
.breadcrumb-list .sep { color: #b7afa8; margin: 0 3px; }
.breadcrumb-list .current { color: var(--text); font-weight: 600; }

.featured-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--gap);
}
.featured-main {
  grid-row: 1 / 3;
}
.featured-main .card-img { aspect-ratio: 4/3; }
.featured-main .card-title { font-size: 1.22rem; }
.featured-main .card-excerpt { -webkit-line-clamp: 4; }

.ticker-bar {
  background: #7f8d97;
  color: #f6f3ee;
  padding: 14px 0;
  overflow: hidden;
}
.ticker-inner { display: flex; align-items: center; gap: 18px; }
.ticker-label {
  font-size: 0.7rem;
  font-weight: 600;
  background: rgba(246,243,238,0.16);
  padding: 5px 14px;
  border-radius: 6px;
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ticker-track {
  display: flex;
  gap: 54px;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
  font-size: 0.82rem;
  line-height: 1.6;
}
.ticker-track a { color: #f6f3ee; }
.ticker-track a:hover { text-decoration: underline; text-underline-offset: 3px; }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.app-card {
  background: #fcfbf8;
  border: 1px solid #d8d4cb;
  border-radius: 8px;
  padding: 24px 18px 22px;
  box-shadow: 0 1px 3px rgba(77, 86, 93, 0.08);
  transition: all 0.26s cubic-bezier(0.22, 0.61, 0.36, 1);
  position: relative;
  overflow: hidden;
}
.app-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, #8f9ca6 0%, #b5b39d 100%);
  opacity: 0;
  transition: opacity 0.26s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.app-card:hover::before { opacity: 1; }
.app-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 6px rgba(77, 86, 93, 0.12);
  border-color: #b8c0c6;
}
.app-card img,
.app-card-icon img,
.app-icon-img {
  width: 68px;
  height: 68px;
  object-fit: contain;
  border-radius: 7px;
  margin-bottom: 18px;
}
.app-card h4 {
  font-size: 1rem;
  margin-bottom: 10px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.app-card p {
  font-size: 0.9rem;
  color: #727b80;
  line-height: 1.72;
}
.app-card .app-features {
  list-style: none;
  padding: 0;
  margin: 14px 0 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.app-card .app-features li {
  font-size: 0.81rem;
  color: #727b80;
  line-height: 1.6;
}
.app-intro {
  margin-bottom: 28px;
  color: #727b80;
  font-size: 0.98rem;
  line-height: 1.92;
}
.app-intro strong { color: #3f484d; font-weight: 600; }

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.about-content h2 { margin-bottom: 18px; }
.about-content p { color: #727b80; margin-bottom: 18px; line-height: 1.82; }
.about-features {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.about-feature-icon {
  width: 40px;
  height: 40px;
  background: #f1eeea;
  border: 1px solid #c7d0d6;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 3px;
  color: #8f9ca6;
}
.about-feature-text h4 {
  color: #5f707b;
  font-size: 0.98rem;
  margin-bottom: 5px;
  font-weight: 600;
}
.about-feature-text p { font-size: 0.9rem; margin: 0; }
.about-img-wrap { position: relative; }
.about-img-wrap img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #d8d4cb;
  box-shadow: 0 1px 3px rgba(77, 86, 93, 0.09);
}
.about-img-badge {
  position: absolute;
  bottom: -18px;
  right: -10px;
  background: #8f9ca6;
  color: #f8f6f1;
  font-weight: 700;
  font-size: 1.08rem;
  width: 92px;
  height: 92px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.2;
  box-shadow: 0 2px 6px rgba(95, 112, 123, 0.18);
}

.stat-card {
  background: #fcfbf8;
  border: 1px solid #d8d4cb;
  border-radius: 8px;
  padding: 24px 16px;
  text-align: center;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 5px rgba(77, 86, 93, 0.11);
  border-color: #c7d0d6;
}
.stat-icon { font-size: 2rem; margin-bottom: 10px; color: #8f9ca6; }
.stat-icon-img { width: 40px; height: 40px; object-fit: contain; margin: 0 auto 10px; }
.stat-num {
  font-size: 1.86rem;
  font-weight: 700;
  color: #5f707b;
  line-height: 1.15;
}
.stat-label { font-size: 0.84rem; color: #8b908f; margin-top: 6px; letter-spacing: 0.02em; }
.stat-desc { font-size: 0.76rem; color: #8b908f; margin-top: 7px; opacity: 0.92; line-height: 1.6; }

.milestone-timeline {
  position: relative;
  max-width: 920px;
  margin: 32px auto 0;
  padding: 12px 0;
}
.milestone-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, #aab5bc 0%, #c0bda8 100%);
  transform: translateX(-50%);
}
.milestone-item {
  position: relative;
  width: 50%;
  padding: 14px 30px;
}
.milestone-item.left { left: 0; text-align: right; }
.milestone-item.right { left: 50%; text-align: left; }
.milestone-year {
  position: absolute;
  top: 14px;
  width: 58px;
  height: 58px;
  background: #8f9ca6;
  color: #f8f6f1;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 1px 3px rgba(95, 112, 123, 0.18);
  z-index: 2;
}
.milestone-item.left .milestone-year { right: -29px; }
.milestone-item.right .milestone-year { left: -29px; }
.milestone-content {
  background: #fcfbf8;
  border: 1px solid #d8d4cb;
  border-radius: 8px;
  padding: 16px 20px;
  box-shadow: 0 1px 3px rgba(77, 86, 93, 0.06);
}
.milestone-content h3 {
  margin: 0 0 8px;
  color: #5f707b;
  font-size: 1.02rem;
  font-weight: 600;
}
.milestone-content p {
  margin: 0;
  color: #8b908f;
  line-height: 1.7;
  font-size: 0.9rem;
}
.milestone-icon { margin-bottom: 10px; }
.milestone-icon-img { width: 26px; height: 26px; object-fit: contain; }

.page-hero {
  background: linear-gradient(135deg, #8f9ca6 0%, #6f7b84 100%);
  color: #f8f6f1;
  padding: 64px 0 46px;
  text-align: center;
}
.page-hero h1 {
  font-size: 2rem;
  margin: 0 0 12px;
  color: #f8f6f1;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.page-hero p {
  font-size: 1rem;
  opacity: 0.9;
  color: #f1ede6;
  margin: 0;
  line-height: 1.75;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: #fcfbf8;
  border: 1px solid #d8d4cb;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(77, 86, 93, 0.06);
  transition: border-color 0.24s ease, box-shadow 0.24s ease;
}
.faq-item:hover,
.faq-item.open {
  border-color: #c7d0d6;
  box-shadow: 0 2px 5px rgba(77, 86, 93, 0.09);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.98rem;
  color: #3f484d;
  user-select: none;
  transition: color 0.24s ease, background 0.24s ease;
  line-height: 1.5;
}
.faq-question:hover {
  color: #5f707b;
  background: #f3f0ec;
}
.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  border: 1px solid #c7d0d6;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  color: #7b8992;
  flex-shrink: 0;
  transition: transform 0.24s ease, background 0.24s ease, color 0.24s ease, border-color 0.24s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: #8f9ca6;
  color: #f8f6f1;
  border-color: #8f9ca6;
}
.faq-answer {
  display: none;
  padding: 0 20px 18px;
  color: #727b80;
  font-size: 0.92rem;
  line-height: 1.82;
  border-top: 1px solid #ebe6de;
}
.faq-item.open .faq-answer { display: block; }

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-bottom: 38px;
}
.partner-card {
  background: #fcfbf8;
  border: 1px solid #d8d4cb;
  border-radius: 8px;
  padding: 24px 16px 22px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(77, 86, 93, 0.06);
  transition: all 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.partner-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 6px rgba(77, 86, 93, 0.1);
  border-color: #c7d0d6;
}
.partner-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  color: #8f9ca6;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partner-name {
  font-weight: 600;
  font-size: 1.02rem;
  color: #5f707b;
  margin-bottom: 8px;
}
.partner-desc {
  font-size: 0.85rem;
  color: #727b80;
  line-height: 1.76;
}
.partners-intro {
  margin-bottom: 28px;
  color: #727b80;
  font-size: 0.98rem;
  line-height: 1.9;
}
.partners-intro strong { color: #3f484d; font-weight: 600; }

.trust-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  border-top: 1px solid #d8d4cb;
  padding-top: 24px;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 9px;
  background: #fcfbf8;
  border: 1px solid #d8d4cb;
  border-radius: 7px;
  padding: 9px 16px;
  font-size: 0.84rem;
  color: #727b80;
  box-shadow: 0 1px 2px rgba(77, 86, 93, 0.04);
}
.trust-badge-icon {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  color: #8f9ca6;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.widget {
  background: #fcfbf8;
  border: 1px solid #d8d4cb;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(77, 86, 93, 0.06);
}
.widget-header {
  padding: 15px 18px;
  border-bottom: 1px solid #ebe6de;
  display: flex;
  align-items: center;
  gap: 11px;
}
.widget-header h4 {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.widget-header::before {
  content: '';
  display: block;
  width: 2px;
  height: 16px;
  background: #8f9ca6;
  border-radius: 1px;
}
.widget-body { padding: 18px; }

.widget-search { display: flex; gap: 10px; }
.widget-search input {
  flex: 1;
  background: #f4f1ec;
  border: 1px solid #d8d4cb;
  color: #3f484d;
  padding: 11px 13px;
  border-radius: 7px;
  font-size: 0.88rem;
}
.widget-search input:focus {
  border-color: #b8c0c6;
  background: #fcfbf8;
  box-shadow: 0 0 0 3px rgba(143, 156, 166, 0.12);
}
.widget-search button {
  background: #8f9ca6;
  color: #f8f6f1;
  padding: 11px 15px;
  border-radius: 7px;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.cat-list { display: flex; flex-direction: column; }
.cat-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 0;
  border-bottom: 1px solid #ebe6de;
  font-size: 0.88rem;
}
.cat-list-item:last-child { border-bottom: none; }
.cat-list-item a { color: #727b80; }
.cat-list-item a:hover { color: #5f707b; }
.cat-count {
  background: #f4f1ec;
  color: #8b908f;
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 6px;
}

.popular-item {
  display: flex;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid #ebe6de;
}
.popular-item:last-child { border-bottom: none; }
.popular-rank {
  font-size: 1.18rem;
  font-weight: 700;
  color: #c7c1b8;
  width: 22px;
  flex-shrink: 0;
  line-height: 1;
  padding-top: 3px;
}
.popular-item:nth-child(1) .popular-rank { color: #7f8d97; }
.popular-item:nth-child(2) .popular-rank { color: #a6b0b7; }
.popular-item:nth-child(3) .popular-rank { color: #a59f93; }
.popular-img {
  width: 64px;
  height: 46px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}
.popular-title {
  font-size: 0.84rem;
  font-weight: 600;
  color: #3f484d;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.58;
}
.popular-title a:hover { color: #5f707b; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
.tag-item {
  background: #f4f1ec;
  border: 1px solid #d8d4cb;
  color: #727b80;
  font-size: 0.76rem;
  padding: 6px 11px;
  border-radius: 7px;
  transition: all 0.22s ease;
}
.tag-item:hover {
  border-color: #b8c0c6;
  color: #5f707b;
  background: #eeebe5;
}

.post-hero {
  position: relative;
  height: 396px;
  overflow: hidden;
}
.post-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.post-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(58, 67, 72, 0.68) 0%, rgba(58, 67, 72, 0.18) 58%, rgba(58, 67, 72, 0) 100%);
}
.post-hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 36px 34px;
  color: #f8f6f1;
}
.post-hero-content h1 { color: #f8f6f1; }

.post-header { padding: 36px 0 0; }
.post-title {
  font-size: clamp(1.75rem, 2.7vw, 2.28rem);
  margin-bottom: 14px;
  line-height: 1.18;
  letter-spacing: -0.02em;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  color: #8b908f;
  font-size: 0.8rem;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid #d8d4cb;
  letter-spacing: 0.02em;
}
.post-meta span {
  display: flex;
  align-items: center;
  gap: 7px;
}

.post-content {
  color: #727b80;
  font-size: 0.99rem;
  line-height: 1.92;
}
.post-content h2, .post-content h3, .post-content h4 {
  color: #3f484d;
  margin: 30px 0 14px;
  font-weight: 600;
  line-height: 1.3;
}
.post-content p { margin-bottom: 20px; }
.post-content img {
  border-radius: 7px;
  margin: 22px 0;
  border: 1px solid #d8d4cb;
}
.post-content a {
  color: #5f707b;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.post-content blockquote {
  border-left: 2px solid #8f9ca6;
  padding: 15px 18px;
  background: #f4f1ec;
  border-radius: 0 7px 7px 0;
  margin: 26px 0;
  font-style: italic;
  color: #6f777c;
}
.post-content ul, .post-content ol {
  padding-left: 22px;
  margin: 20px 0;
  list-style: disc;
}
.post-content ol { list-style: decimal; }
.post-content li {
  margin-bottom: 9px;
  color: #727b80;
  line-height: 1.8;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.84rem;
}
.post-content th {
  background: #eef0ec;
  color: #5f738c;
  padding: 13px 18px;
  text-align: left;
  border: 1px solid #d8ddd6;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.post-content td {
  padding: 13px 18px;
  border: 1px solid #d8ddd6;
  color: #6f756f;
  line-height: 1.6;
}

.post-tags {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.post-tags-label {
  font-size: 0.74rem;
  color: #8a9088;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.share-bar {
  background: #f5f4f1;
  border: 1px solid #ddd8d2;
  border-radius: 7px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 32px 0;
  flex-wrap: wrap;
  box-shadow: 0 1px 3px rgba(73, 79, 74, 0.06);
}
.share-label {
  font-size: 0.76rem;
  color: #8f928d;
  font-weight: 600;
  margin-right: 6px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.share-btn {
  padding: 8px 18px;
  border-radius: 5px;
  font-size: 0.74rem;
  font-weight: 700;
  color: #fbfbf8;
  display: inline-block;
  letter-spacing: 0.03em;
  transition: background-color 0.22s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.22s cubic-bezier(0.22, 1, 0.36, 1), transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}
.share-wechat  { background: #7f9a84; }
.share-weibo   { background: #b4878c; }
.share-twitter { background: #8ba1b6; }
.share-copy {
  background: #fcfbf8;
  border: 1px solid #ddd8d2;
  color: #68706a;
  cursor: pointer;
}
.share-btn:hover,
.share-copy:hover {
  transform: translateY(-1px);
  box-shadow: 0 1px 3px rgba(73, 79, 74, 0.1);
}

.related-posts { margin-top: 56px; }
.related-posts h3 {
  margin-bottom: 24px;
  font-size: 1.02rem;
  border-left: 2px solid #8fa3bb;
  padding-left: 14px;
  color: #404744;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.post-author {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.author-avatar-sm {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  object-fit: cover;
}
.post-author a {
  color: #647a95;
  font-weight: 600;
}
.post-author a:hover { color: #4f647d; }

.author-box {
  display: flex;
  gap: 22px;
  padding: 24px;
  margin: 40px 0;
  background: #f6f4f0;
  border: 1px solid #ddd8d2;
  border-left: 2px solid #8fa3bb;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(73, 79, 74, 0.05);
}
.author-box-avatar {
  width: 76px;
  height: 76px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}
.author-box-info { flex: 1; }
.author-box-name {
  margin: 0 0 8px;
  font-size: 0.98rem;
  color: #3f4743;
  font-weight: 700;
}
.author-box-name a { color: #3f4743; }
.author-box-name a:hover { color: #647a95; }
.author-box-job {
  display: inline-block;
  margin-left: 10px;
  padding: 3px 9px;
  font-size: 0.68rem;
  font-weight: 600;
  color: #7d837d;
  background: #ece9e3;
  border: 1px solid #dad4ce;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.author-box-bio {
  margin: 0;
  font-size: 0.84rem;
  color: #6d746e;
  line-height: 1.72;
}

.post-nav { margin: 40px 0; }
.post-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.post-nav-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 17px 20px;
  background: #fcfbf8;
  border: 1px solid #ddd8d2;
  border-radius: 7px;
  transition: border-color 0.24s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.24s cubic-bezier(0.22, 1, 0.36, 1), transform 0.24s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.24s cubic-bezier(0.22, 1, 0.36, 1);
}
.post-nav-item:not(.post-nav-disabled):hover {
  border-color: #aab8c8;
  box-shadow: 0 1px 3px rgba(73, 79, 74, 0.08);
  transform: translateY(-1px);
  background: #f7f5f1;
}
.post-nav-next { text-align: right; }
.post-nav-label {
  font-size: 0.7rem;
  color: #90958e;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.post-nav-title {
  font-size: 0.86rem;
  color: #404744;
  font-weight: 600;
  line-height: 1.5;
}
.post-nav-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 56px;
}
.page-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  border: 1px solid #ddd8d2;
  color: #6b736d;
  background: #fcfbf8;
  transition: border-color 0.2s cubic-bezier(0.22, 1, 0.36, 1), color 0.2s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.2s cubic-bezier(0.22, 1, 0.36, 1), transform 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.page-item:hover {
  border-color: #8fa3bb;
  color: #5c7189;
  background: #f2f1ed;
  transform: translateY(-1px);
}
.page-item.active {
  background: #8fa3bb;
  border-color: #8fa3bb;
  color: #fbfbf8;
}
.page-item.disabled { opacity: 0.38; pointer-events: none; }

.search-header {
  padding: 48px 0;
  border-bottom: 1px solid #ddd8d2;
  margin-bottom: 40px;
}
.search-form-large { display: flex; gap: 14px; max-width: 612px; }
.search-form-large input {
  flex: 1;
  background: #fcfbf8;
  border: 1px solid #ddd8d2;
  color: #424844;
  padding: 15px 18px;
  border-radius: 6px;
  font-size: 0.94rem;
  line-height: 1.4;
}
.search-form-large input:focus {
  border-color: #96a9bf;
  box-shadow: 0 0 0 3px rgba(143, 163, 187, 0.14);
}
.search-results-count {
  font-size: 0.82rem;
  color: #8a9088;
  margin-top: 14px;
}
.search-highlight { color: #657c98; font-weight: 700; }

.category-header {
  background: #f8f6f2;
  border-bottom: 1px solid #ddd8d2;
  padding: 40px 0 28px;
  margin-bottom: 40px;
}
.category-header h1 {
  font-size: 1.74rem;
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #3c433f;
}
.category-header p {
  color: #858c86;
  font-size: 0.88rem;
  margin-top: 10px;
  max-width: 508px;
  line-height: 1.78;
}
.sort-bar {
  display: flex;
  align-items: center;
  gap: 10px 16px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid #ddd8d2;
  flex-wrap: wrap;
}
.sort-bar-label {
  font-size: 0.72rem;
  color: #8a9088;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.sort-btn {
  font-size: 0.74rem;
  padding: 7px 15px;
  border: 1px solid #ddd8d2;
  border-radius: 5px;
  color: #818780);
  background: #fcfbf8;
  transition: border-color 0.22s cubic-bezier(0.22, 1, 0.36, 1), color 0.22s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}
.sort-btn:hover, .sort-btn.active {
  border-color: #a6b5c5;
  color: #5f738c;
  background: #eef2f5;
}

.site-footer {
  background: #2e3433;
  color: #d7d8d3;
  position: relative;
}
.site-footer::before {
  content: '';
  display: block;
  height: 2px;
  background: linear-gradient(90deg, #778ba2 0%, #aeb8c4 52%, #778ba2 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 36px;
  padding: 48px 0 36px;
  border-bottom: 1px solid rgba(223, 225, 220, 0.1);
}

.footer-brand .site-logo {
  margin-bottom: 14px;
  display: inline-flex;
}
.footer-brand .site-logo img {
  filter: grayscale(1) brightness(1.9);
  opacity: 0.82;
}
.footer-brand .site-logo-text {
  color: #f4f3ef;
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.footer-brand-text {
  color: #a8afa8;
  font-size: 0.82rem;
  margin: 16px 0 22px;
  line-height: 1.82;
}

.footer-contact-inline {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
  padding: 0;
  border: none;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: #a8afa8;
  transition: color 0.22s cubic-bezier(0.22, 1, 0.36, 1), transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer-contact-item:hover,
.footer-contact-item a:hover {
  color: #c9d2dc;
  transform: translateX(2px);
}
.footer-contact-item a {
  color: #a8afa8;
  transition: color 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer-contact-icon {
  font-size: 0.88rem;
  color: #8ca0b7;
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}
.footer-contact-sep { display: none; }

.footer-social {
  display: flex;
  gap: 12px;
}
.social-btn {
  width: 38px;
  height: 38px;
  background: rgba(242, 243, 239, 0.05);
  border: 1px solid rgba(220, 224, 219, 0.12);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #abb1aa;
  transition: background-color 0.22s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.22s cubic-bezier(0.22, 1, 0.36, 1), color 0.22s cubic-bezier(0.22, 1, 0.36, 1), transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}
.social-btn:hover {
  background: #778ba2;
  border-color: #778ba2;
  color: #f8f7f4;
  transform: translateY(-1px);
  box-shadow: 0 1px 3px rgba(15, 19, 18, 0.24);
}

.footer-col h5 {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #f4f3ef;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid #7d8fa4;
  display: inline-block;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.footer-links a {
  font-size: 0.82rem;
  color: #a8afa8;
  padding: 7px 0;
  display: flex;
  align-items: center;
  transition: color 0.22s cubic-bezier(0.22, 1, 0.36, 1), transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.22s cubic-bezier(0.22, 1, 0.36, 1);
  border-bottom: 1px solid rgba(226, 228, 223, 0.06);
}
.footer-links a:last-child { border-bottom: none; }
.footer-links a::before {
  content: '•';
  margin-right: 10px;
  color: rgba(216, 221, 226, 0.28);
  font-weight: 700;
  transition: color 0.22s cubic-bezier(0.22, 1, 0.36, 1), margin-right 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer-links a:hover {
  color: #f2f1ed;
  transform: translateX(2px);
}
.footer-links a:hover::before {
  color: #9baec2;
  margin-right: 12px;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copyright-info p {
  font-size: 0.74rem;
  color: #7d8682;
  margin: 0;
}
.footer-beian {
  margin-top: 8px;
  font-size: 0.72rem;
}
.footer-beian a {
  color: #7d8682;
  transition: color 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer-beian a:hover { color: #bcc7d2; }

.footer-legal {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.footer-legal a {
  font-size: 0.74rem;
  color: #7d8682;
  padding: 5px 13px;
  border: 1px solid rgba(222, 226, 220, 0.09);
  border-radius: 4px;
  transition: color 0.22s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.22s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer-legal a:hover {
  color: #f2f1ed;
  border-color: #8599b0;
  background: rgba(133, 153, 176, 0.12);
}

.disclaimer-bar {
  background: rgba(24, 29, 28, 0.56);
  border-top: 1px solid rgba(224, 227, 222, 0.08);
  padding: 13px 0;
  text-align: center;
  font-size: 0.68rem;
  color: #6b7470;
  letter-spacing: 0.02em;
}

.page-404 {
  min-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.error-code {
  font-size: 6.8rem;
  font-weight: 800;
  color: #9aaabd;
  line-height: 0.94;
  opacity: 0.22;
  letter-spacing: -0.04em;
}
.error-title {
  font-size: 1.54rem;
  margin-bottom: 14px;
  color: #3f4642;
  font-weight: 700;
}
.error-msg {
  color: #8a9088;
  margin-bottom: 32px;
  font-size: 0.9rem;
  line-height: 1.7;
}

.content-box {
  background: #fcfbf8;
  border: 1px solid #ddd8d2;
  border-radius: 8px;
  padding: 34px;
  box-shadow: 0 1px 3px rgba(73, 79, 74, 0.06);
}
.content-box h2 {
  font-size: 1.18rem;
  color: #627792;
  margin: 30px 0 14px;
  padding-top: 22px;
  border-top: 1px solid #e8e4de;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.content-box h2:first-child { border-top: none; margin-top: 0; padding-top: 0; }
.content-box p { color: #6d746e; margin-bottom: 18px; line-height: 1.9; font-size: 0.9rem; }
.content-box ul { padding-left: 22px; list-style: disc; }
.content-box li { color: #6d746e; margin-bottom: 10px; line-height: 1.76; }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.74rem;
  font-weight: 700;
  color: #6c736d;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea,
.form-group select {
  background: #f5f3ef;
  border: 1px solid #ddd8d2;
  color: #454b47;
  padding: 13px 15px;
  border-radius: 6px;
  font-size: 0.88rem;
  transition: border-color 0.22s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.22s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: #95a8be;
  background: #fcfbf8;
  box-shadow: 0 0 0 3px rgba(143, 163, 187, 0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #919790; }
.form-group textarea { min-height: 166px; resize: vertical; }
.form-notice { font-size: 0.7rem; color: #919790; line-height: 1.6; }

.contact-info { display: flex; flex-direction: column; gap: 14px; }
.contact-info-item {
  display: flex;
  gap: 18px;
  padding: 22px;
  background: #f6f4f0;
  border: 1px solid #ddd8d2;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(73, 79, 74, 0.05);
}
.contact-icon {
  width: 42px;
  height: 42px;
  background: #edf1f4;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.94rem;
  color: #657b96;
  flex-shrink: 0;
}
.contact-info-item h5 {
  font-size: 0.74rem;
  color: #627792;
  margin-bottom: 6px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.contact-info-item p {
  font-size: 0.86rem;
  color: #838a84;
  margin: 0;
  line-height: 1.7;
}

.notice {
  padding: 16px 20px;
  border-radius: 6px;
  font-size: 0.8rem;
  border-left: 2px solid;
  margin-bottom: 22px;
  line-height: 1.7;
}
.notice-warning {
  background: #f4eee5;
  border-color: #b79d78;
  color: #866d4d;
}
.notice-info {
  background: #eef2f5;
  border-color: #8fa3bb;
  color: #5e748d;
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 42px;
  height: 42px;
  background: #8fa3bb;
  color: #fbfbf8;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(60, 69, 78, 0.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s cubic-bezier(0.22, 1, 0.36, 1), transform 0.24s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.24s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.24s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 500;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover {
  transform: translateY(-2px);
  background: #778ca4;
  box-shadow: 0 3px 10px rgba(60, 69, 78, 0.2);
}

/* =============================================
   第二十六部分：CTA横幅
   ============================================= */
.cta-banner {
  background: linear-gradient(132deg, #f3f1ed 0%, #e8e4df 54%, #eeebe6 100%);
  border-top: 1px solid #d5d0c9;
  border-bottom: 1px solid #d5d0c9;
  padding: 56px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-banner::before {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 436px;
  height: 436px;
  background: radial-gradient(circle, rgba(165,184,212,0.14) 0%, rgba(165,184,212,0.05) 38%, transparent 72%);
  pointer-events: none;
}
.cta-banner > .container { position: relative; z-index: 2; }
.cta-badge { margin-bottom: 18px; }
.cta-title { margin-bottom: 12px; }
.cta-desc {
  color: #6f746f;
  margin: 0 auto 24px;
  max-width: 612px;
  line-height: 1.72;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =============================================
   第二十七部分：特性/体育/步骤卡片
   ============================================= */
.feature-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  margin-top: 32px;
}
.feature-mini-card {
  background: #fcfbf8;
  border: 1px solid #d8d3cb;
  border-radius: 6px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(67, 73, 80, 0.08);
  transition: border-color 0.26s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.26s cubic-bezier(0.22, 1, 0.36, 1), transform 0.26s cubic-bezier(0.22, 1, 0.36, 1);
}
.feature-mini-card:hover {
  transform: translateY(-2px);
  border-color: #a5b8d4;
  box-shadow: 0 3px 10px rgba(67, 73, 80, 0.1);
}
.feature-mini-card .feature-icon {
  font-size: 1.55rem;
  margin-bottom: 12px;
  color: #7f97bb;
}

.sports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.sport-card {
  background: #fcfbf8;
  border-radius: 7px;
  padding: 22px;
  border: 1px solid #d8d3cb;
  box-shadow: 0 1px 3px rgba(67, 73, 80, 0.07);
  transition: box-shadow 0.24s ease, transform 0.24s ease, border-color 0.24s ease;
}
.sport-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(67, 73, 80, 0.09);
  border-color: #c6c7b0;
}
.sport-icon { font-size: 1.95rem; color: #7f97bb; }
.sport-icon-img { width: 68px; height: 68px; object-fit: contain; }
.sport-name { font-size: 1rem; font-weight: 600; margin: 14px 0 8px; }
.sport-desc
 { font-size: 0.86rem; color: #6f746f; line-height: 1.58; }
.sport-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e6e1da;
  color: #92978f;
  font-size: 0.78rem;
}
.sport-count { font-size: 0.78rem; color: #92978f; }
.sport-link {
  font-size: 0.78rem;
  font-weight: 600;
  color: #7f97bb;
  transition: color 0.22s ease;
}
.sport-link:hover { color: #687f9e; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 22px;
}
.step-card {
  position: relative;
  padding: 24px 20px;
  background: #fcfbf8;
  border: 1px solid #d8d3cb;
  border-radius: 6px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(67, 73, 80, 0.07);
}
.step-number {
  position: absolute;
  top: -10px; right: 12px;
  font-size: 2rem;
  font-weight: 700;
  color: #bfc6ba;
  opacity: 0.48;
}
.step-icon { margin-bottom: 12px; }
.step-icon-img { width: 52px; height: 52px; object-fit: contain; margin: 0 auto; }
.lead-text {
  font-size: 0.98rem;
  line-height: 1.68;
  margin-bottom: 18px;
  color: #6f746f;
}

/* 负责任内容 */
.responsible-content {
  max-width: 804px;
  color: #6f746f;
  font-size: 0.96rem;
  line-height: 1.82;
}
.responsible-content strong { color: #2f3533; font-weight: 600; }

/* 首页概览 */
.section-intro { background: #fcfbf8; }
.intro-wrap { display: flex; flex-direction: column; }
.intro-content {
  color: #6f746f;
  font-size: 0.96rem;
  line-height: 1.82;
}
.intro-content strong { color: #2f3533; font-weight: 600; }

/* 图标通用 */
.feature-icon-img { width: 48px; height: 48px; object-fit: contain; }
.about-icon-img { width: 40px; height: 40px; object-fit: contain; }
.partner-icon-img { width: 56px; height: 56px; object-fit: contain; margin: 0 auto; display: block; }
.badge-icon-img { width: 20px; height: 20px; object-fit: contain; vertical-align: middle; }

/* =============================================
   第二十八部分：用户评价
   ============================================= */
.testimonials-intro {
  max-width: 812px;
  margin: 0 auto 28px;
  text-align: center;
  color: #6f746f;
  font-size: 0.98rem;
  line-height: 1.74;
}
.rating-overview {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  background: #fcfbf8;
  border: 1px solid #d8d3cb;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 32px;
  align-items: center;
  box-shadow: 0 1px 3px rgba(67, 73, 80, 0.08);
}
.rating-score {
  text-align: center;
  border-right: 1px solid #ddd7cf;
  padding-right: 24px;
}
.rating-num { font-size: 3rem; font-weight: 700; color: #b48f73; line-height: 1; }
.rating-stars { font-size: 1.16rem; color: #b48f73; margin: 8px 0; letter-spacing: 1px; }
.rating-total { font-size: 0.8rem; color: #92978f; }
.rating-bars { display: flex; flex-direction: column; gap: 10px; }
.rating-bar-row {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: #6f746f;
}
.rating-bar { height: 7px; background: #ece8e2; border-radius: 5px; overflow: hidden; }
.rating-fill {
  height: 100%;
  background: linear-gradient(90deg, #c9b08f, #b48f73);
  border-radius: 5px;
  transition: width 0.72s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.rating-percent { text-align: right; font-weight: 600; }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}
.testimonial-card {
  background: #fcfbf8;
  border: 1px solid #d8d3cb;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(67, 73, 80, 0.07);
  transition: border-color 0.24s ease, box-shadow 0.24s ease, transform 0.24s ease;
}
.testimonial-card:hover {
  transform: translateY(-2px);
  border-color: rgba(180,143,115,0.34);
  box-shadow: 0 4px 10px rgba(67, 73, 80, 0.09);
}
.testimonial-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  background: linear-gradient(135deg, #c7b8ab, #a5b8d4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.12rem;
  color: #f8f7f4;
  flex-shrink: 0;
}
.testimonial-user { flex: 1; }
.testimonial-name { font-weight: 600; font-size: 0.9rem; }
.testimonial-region { font-size: 0.74rem; color: #92978f; margin-top: 3px; }
.testimonial-rating { color: #b48f73; font-size: 0.88rem; letter-spacing: 0.5px; }
.testimonial-title { font-size: 0.98rem; color: #687f9e; margin: 0 0 10px; font-weight: 600; }
.testimonial-content { font-size: 0.88rem; line-height: 1.64; color: #6f746f; margin: 0 0 12px; }
.testimonial-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px dashed #d8d3cb;
}
.testimonial-tag {
  background: rgba(196,197,168,0.24);
  color: #6f7461;
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
}
.testimonial-date { font-size: 0.74rem; color: #92978f; }

/* =============================================
   第二十九部分：作者页面
   ============================================= */
.author-hero {
  background: linear-gradient(136deg, #f2efea 0%, #e7e2dc 52%, #efebe5 100%);
  border-bottom: 1px solid #d5d0c9;
  padding: 58px 0 46px;
  position: relative;
  overflow: hidden;
}
.author-hero::before {
  content: '';
  position: absolute;
  right: -100px;
  top: -120px;
  width: 424px;
  height: 424px;
  background: radial-gradient(circle, rgba(165,184,212,0.16) 0%, rgba(165,184,212,0.05) 44%, transparent 72%);
  pointer-events: none;
}
.author-hero::after {
  content: '';
  position: absolute;
  left: -60px;
  bottom: -60px;
  width: 286px;
  height: 286px;
  background: radial-gradient(circle, rgba(212,165,165,0.14) 0%, rgba(212,165,165,0.04) 46%, transparent 74%);
  pointer-events: none;
}
.author-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 36px;
  align-items: center;
}

/* 头像 */
.author-avatar-wrap {
  position: relative;
  width: 200px;
  height: 200px;
}
.author-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid #f7f5f1;
  box-shadow: 0 2px 8px rgba(67, 73, 80, 0.1);
}
.author-avatar-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #aeb8aa, #8da0bc);
  color: #f8f7f4;
  font-size: 3.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 2px solid #f7f5f1;
  box-shadow: 0 2px 8px rgba(67, 73, 80, 0.1);
}
.author-verified-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #93a28a, #798a71);
  color: #f8f7f4;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  border: 2px solid #f7f5f1;
  box-shadow: 0 2px 8px rgba(121, 138, 113, 0.22);
}

/* 作者信息 */
.author-tag-row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.author-job-tag {
  display: inline-block;
  background: #ebe7e1;
  border: 1px solid #d7d0c7;
  color: #687f9e;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 5px;
}
.author-tag-verified {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(147,162,138,0.12);
  border: 1px solid rgba(121,138,113,0.26);
  color: #798a71;
  font-size: 0.71rem;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 5px;
}
.author-tag-verified::before {
  content: '✓';
  font-size: 0.78rem;
}
.author-name {
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  font-weight: 700;
  color: #2f3533;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  line-height: 1.14;
}
.author-bio {
  font-size: 0.96rem;
  color: #6f746f;
  line-height: 1.76;
  margin-bottom: 24px;
  max-width: 604px;
}

/* 作者统计 */
.author-stats {
  display: flex;
  gap: 34px;
  margin-bottom: 24px;
  padding: 18px 0;
  border-top: 1px solid #ddd7cf;
  border-bottom: 1px solid #ddd7cf;
  flex-wrap: wrap;
}
.author-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.author-stat-num {
  font-size: 1.56rem;
  font-weight: 700;
  color: #687f9e;
  line-height: 1;
}
.author-stat-label {
  font-size: 0.7rem;
  color: #92978f;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* 作者社交 */
.author-social-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.author-social-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  background: #fcfbf8;
  border: 1px solid #d8d3cb;
  color: #6f746f;
  font-size: 0.76rem;
  font-weight: 600;
  border-radius: 6px;
  transition: border-color 0.24s ease, color 0.24s ease, background-color 0.24s ease, transform 0.24s ease, box-shadow 0.24s ease;
}
.author-social-link:hover {
  border-color: #a5b8d4;
  color: #687f9e;
  background: #f1efeb;
  transform: translateY(-1px);
  box-shadow: 0 1px 3px rgba(67, 73, 80, 0.08);
}
.author-social-icon { font-size: 0.88rem; }
.author-social-email:hover {
  border-color: #d4a5a5;
  color: #9a7272;
  background: #f2ecea;
}
.author-articles { background: #f4f1ec; }

/* =============================================
   第三十部分：APP页面
   ============================================= */
.app-hero {
  position: relative;
  padding: 76px 0 58px;
  overflow: hidden;
  background: linear-gradient(138deg, #f2efea 0%, #e7e2dc 52%, #efebe5 100%);
  text-align: center;
}
.app-hero::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  width: 612px;
  height: 612px;
  background: radial-gradient(circle, rgba(165,184,212,0.12) 0%, rgba(165,184,212,0.04) 40%, transparent 66%);
  pointer-events: none;
}
.app-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #ebe7e1;
  border: 1px solid #d7d0c7;
  color: #687f9e;
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 0.74rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.app-hero h1 { margin-bottom: 16px; }
.app-hero h1 span { color: #687f9e; }
.app-hero-sub {
  color: #6f746f;
  font-size: 1rem;
  max-width: 606px;
  margin: 0 auto 34px;
  line-height: 1.72;
}

/* 下载按钮 */
.dl-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 42px;
}
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.84rem;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease;
  cursor: pointer;
}
.dl-btn-android {
  background: #687f9e;
  color: #f8f7f4;
  border: 1px solid #687f9e;
}
.dl-btn-android:hover {
  background: #5a708d;
  color: #f8f7f4;
  transform: translateY(-2px);
  box-shadow: 0 3px 10px rgba(104, 127, 158, 0.18);
}
.dl-btn-ios {
  background: #fcfbf8;
  border: 1px solid #cdd2d7;
  color: #687f9e;
}
.dl-btn-ios:hover {
  background: #f1efeb;
  border-color: #a5b8d4;
  transform: translateY(-2px);
}
.dl-btn-icon { font-size: 1.34rem; line-height: 1; }
.dl-btn-text-wrap { text-align: left; }
.dl-btn-sub { font-size: 0.61rem; font-weight: 500; opacity: 0.76; display: block; letter-spacing: 0.03em; text-transform: uppercase; }
.dl-btn-main { font-size: 0.92rem; font-weight: 700; display: block; }

/* Hero统计 */
.app-hero-stats {
  display: flex;
  justify-content: center;
  gap: 42px;
  padding-top: 28px;
  border-top: 1px solid #ddd7cf;
  flex-wrap: wrap;
}
.app-hero-stat { text-align: center; }
.app-hero-stat-num {
  font-size: 1.55rem;
  font-weight: 700;
  color: #687f9e;
  display: block;
}
.app-hero-stat-label {
  font-size: 0.7rem;
  color: #92978f;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* 模型展示 */
.app-mockup-section {
  padding: 56px 0;
  background: #fcfbf8;
  border-top: 1px solid #d8d3cb;
  border-bottom: 1px solid #d8d3cb;
}
.app-mockup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}
.app-mockup-text h2 { margin-bottom: 16px; }
.app-mockup-text h2 span { color: #687f9e; }
.app-mockup-text p {
  color: #6f746f;
  margin-bottom: 20px;
  line-height: 1.72;
}
.app-features-list { display: flex; flex-direction: column; gap: 12px; }

.app-feature-row { display: flex; align-items: flex-start; gap: 18px; }
.app-feature-check {
  width: 24px;
  height: 24px;
  background: #f2f0eb;
  border: 1px solid #cbc6bc;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.76rem;
  color: #6f8299;
  flex-shrink: 0;
  margin-top: 4px;
}
.app-feature-row p { font-size: 0.96rem; color: #747b82; margin: 0; line-height: 1.82; }
.app-feature-row strong { color: #2f3438; font-weight: 600; }

.phone-visual { display: flex; justify-content: center; gap: 20px; }
.phone-frame {
  width: 172px;
  background: #faf8f4;
  border: 2px solid #d7d2c8;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(73, 78, 84, 0.08);
  position: relative;
}
.phone-frame.large { width: 206px; }
.phone-notch {
  height: 22px;
  background: #efebe4;
  display: flex;
  align-items: center;
  justify-content: center;
}
.phone-notch::after {
  content: '';
  width: 52px;
  height: 7px;
  background: #b8bcc3;
  border-radius: 5px;
}
.phone-screen {
  background: linear-gradient(158deg, #f7f4ef 0%, #ece7df 100%);
  padding: 16px;
  min-height: 300px;
}
.phone-screen-header {
  background: #6f8299;
  border-radius: 5px;
  height: 30px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  padding: 0 10px;
}
.phone-screen-header span {
  font-size: 0.58rem;
  font-weight: 700;
  color: #fbfaf7;
  letter-spacing: 0.04em;
}
.phone-screen-card {
  background: #fcfbf8;
  border: 1px solid #ddd8cf;
  border-radius: 6px;
  height: 58px;
  margin-bottom: 10px;
  padding: 10px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.phone-screen-img {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #d8d4cc, #bcc3c8);
  border-radius: 5px;
  flex-shrink: 0;
}
.phone-screen-lines { flex: 1; }
.phone-screen-line { height: 5px; border-radius: 3px; margin-bottom: 6px; }
.phone-screen-line.gold { background: rgba(111,130,153,0.42); width: 66%; }
.phone-screen-line.gray { background: #c5c8c2; width: 48%; }
.phone-bottom {
  height: 18px;
  background: #efebe4;
  display: flex;
  align-items: center;
  justify-content: center;
}
.phone-home-bar { width: 44px; height: 3px; background: #8e949a; border-radius: 4px; }

.qr-section { padding: 72px 0; background: #f5f2ed; }
.qr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.qr-card {
  background: #fcfbf8;
  border: 1px solid #ddd8cf;
  border-radius: 8px;
  padding: 36px 24px 28px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(61, 66, 72, 0.07);
  transition: all 0.24s cubic-bezier(0.32, 0.72, 0, 1);
  position: relative;
  overflow: hidden;
}
.qr-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, #6f8299 0%, #9ba8b6 100%);
  opacity: 0;
  transition: opacity 0.24s cubic-bezier(0.32, 0.72, 0, 1);
}
.qr-card:hover::before { opacity: 1; }
.qr-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(61, 66, 72, 0.09);
  border-color: #c5beb2;
}
.qr-icon { font-size: 2rem; margin-bottom: 16px; color: #6f8299; }
.qr-card h4 { color: #3d4348; font-size: 1.08rem; margin-bottom: 10px; font-weight: 600; }
.qr-card p { font-size: 0.88rem; color: #767d83; margin-bottom: 20px; line-height: 1.8; }
.qr-box {
  width: 118px;
  height: 118px;
  background: #f8f6f1;
  border: 1px solid #d6d0c6;
  border-radius: 6px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.qr-btn {
  display: inline-block;
  padding: 10px 24px;
  background: #6f8299;
  color: #faf8f3;
  font-weight: 600;
  font-size: 0.8rem;
  border-radius: 6px;
  transition: all 0.22s cubic-bezier(0.32, 0.72, 0, 1);
  letter-spacing: 0.02em;
}
.qr-btn:hover {
  background: #61748a;
  color: #faf8f3;
  transform: translateY(-1px);
}

.install-section {
  padding: 72px 0;
  background: #fcfbf8;
  border-top: 1px solid #ddd8cf;
}
.install-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 44px;
}
.install-tab {
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid #d6d0c6;
  color: #868b90;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.32, 0.72, 0, 1);
  background: #f7f4ee;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.install-tab.active,
.install-tab:hover {
  background: #6f8299;
  color: #fbfaf7;
  border-color: #6f8299;
}
.install-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.install-step { text-align: center; position: relative; }
.install-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -14px;
  top: 24px;
  color: #bbb6ae;
  font-size: 1.05rem;
}
.step-num {
  width: 56px;
  height: 56px;
  background: #f1eee7;
  border: 1px solid #cbc6bc;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.22rem;
  font-weight: 700;
  color: #6f8299;
  margin: 0 auto 16px;
}
.install-step h4 { font-size: 1rem; margin-bottom: 8px; color: #373c41; font-weight: 600; }
.install-step p { font-size: 0.86rem; color: #84898d; line-height: 1.72; }

.app-faq { padding: 80px 0 64px; background: #f5f2ed; }

.auth-page { min-height: 100vh; display: flex; flex-direction: column; }
.auth-main
 {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 480px;
  min-height: calc(100vh - var(--header-h));
}

.auth-left {
  background: linear-gradient(155deg, #f6f2ec 0%, #ede8df 48%, #e3e0d7 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 72px 68px 84px;
}
.auth-left::before {
  content: '';
  position: absolute;
  left: -96px; top: -92px;
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(164, 154, 142, 0.13) 0%, transparent 68%);
  pointer-events: none;
}
.auth-left::after {
  content: '';
  position: absolute;
  right: -72px; bottom: -74px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(111, 130, 153, 0.11) 0%, transparent 66%);
  pointer-events: none;
}
.auth-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74,78,83,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,78,83,0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}
.auth-left-content { position: relative; z-index: 2; }
.auth-brand { display: flex; align-items: center; gap: 16px; margin-bottom: 52px; }
.auth-brand-logo {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #6f8299, #8b97a3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fbfaf7;
  box-shadow: 0 1px 3px rgba(61, 66, 72, 0.08);
}
.auth-brand-name {
  font-size: 1.28rem;
  font-weight: 700;
  color: #384046;
  letter-spacing: 0.01em;
}
.auth-headline {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: #2f3438;
  line-height: 1.12;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
  max-width: 12ch;
}
.auth-headline span { color: #6f8299; }
.auth-sub {
  font-size: 0.98rem;
  color: #72797f;
  line-height: 1.92;
  margin-bottom: 52px;
  max-width: 440px;
}

.auth-features { display: flex; flex-direction: column; gap: 20px; }
.auth-feature {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #70777c;
  font-size: 0.92rem;
}
.auth-feature-dot {
  width: 9px;
  height: 9px;
  background: #6f8299;
  border-radius: 3px;
  flex-shrink: 0;
  box-shadow: 2px 2px 0 rgba(143, 127, 118, 0.16);
}

.auth-benefits { display: flex; flex-direction: column; gap: 18px; }
.auth-benefit { display: flex; align-items: flex-start; gap: 16px; }
.auth-benefit-icon {
  width: 38px;
  height: 38px;
  background: #f1eee7;
  border: 1px solid #cbc6bc;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.92rem;
  flex-shrink: 0;
  color: #6f8299;
}
.auth-benefit-text h5 {
  font-size: 0.9rem;
  color: #3d4348;
  margin-bottom: 5px;
  font-weight: 600;
}
.auth-benefit-text p {
  font-size: 0.84rem;
  color: #83888d;
  margin: 0;
  line-height: 1.78;
}

.auth-left-deco { position: absolute; bottom: 36px; left: 68px; right: 68px; z-index: 2; }
.auth-deco-bar { height: 1px; background: linear-gradient(90deg, #6f8299 0%, rgba(111,130,153,0) 100%); margin-bottom: 14px; }
.auth-deco-text { font-size: 0.7rem; color: #8a8f93; letter-spacing: 0.18em; text-transform: uppercase; }

.auth-right {
  background: #fcfbf8;
  border-left: 1px solid #ddd8cf;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 44px;
  overflow-y: auto;
}
.auth-form-wrap { width: 100%; max-width: 388px; }
.auth-form-wrap-wide { max-width: 432px; }
.auth-form-header { margin-bottom: 40px; }
.auth-form-header h2 {
  font-size: 1.72rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #2f3438;
  letter-spacing: -0.01em;
}
.auth-form-header p {
  font-size: 0.9rem;
  color: #858a8e;
  line-height: 1.82;
}

.auth-form { display: flex; flex-direction: column; gap: 22px; }
.auth-field { display: flex; flex-direction: column; gap: 8px; }
.auth-label {
  font-size: 0.76rem;
  font-weight: 600;
  color: #636c73;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.auth-input-wrap { position: relative; }
.auth-input {
  width: 100%;
  background: #f4f1eb;
  border: 1px solid #d5cfc5;
  color: #31373c;
  padding: 15px 46px 15px 16px;
  border-radius: 6px;
  font-size: 0.92rem;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  font-family: var(--font);
}
.auth-input:focus {
  border-color: #6f8299;
  background: #fcfbf8;
  box-shadow: 0 0 0 3px rgba(111,130,153,0.14);
}
.auth-input.valid  { border-color: #7f9985; }
.auth-input.invalid { border-color: #b98787; }
.auth-input::placeholder { color: #93989b; }
.auth-input-icon {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.96rem;
  color: #979ca0;
  pointer-events: none;
}
.auth-input-toggle {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #90959a;
  font-size: 0.78rem;
  padding: 0;
  transition: color 0.2s ease;
}
.auth-input-toggle:hover { color: #6f8299; }
.auth-field-hint  { font-size: 0.7rem; color: #8d9296; }
.auth-field-error { font-size: 0.7rem; color: #a56f6f; display: none; }

.auth-row { display: flex; align-items: center; justify-content: space-between; }
.auth-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.8rem;
  color: #858a8f;
}
.auth-checkbox-label input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: #6f8299;
  cursor: pointer;
}
.auth-forgot {
  font-size: 0.78rem;
  color: #6f8299;
  transition: opacity 0.2s ease;
}
.auth-forgot:hover { opacity: 0.68; }

.auth-submit {
  width: 100%;
  padding: 15px;
  background: #6f8299;
  color: #fbfaf7;
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.32, 0.72, 0, 1);
  font-family: var(--font);
  letter-spacing: 0.01em;
}
.auth-submit:hover {
  background: #627489;
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(79, 93, 109, 0.14);
}
.auth-submit:active { transform: translateY(0); }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #999da1;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.auth-divider::before,
.auth-divider::after { content: ''; flex: 1; height: 1px; background: #ddd8cf; }

.auth-social { display: flex; gap: 12px; }
.auth-social-btn {
  flex: 1;
  padding: 12px;
  background: #f5f2ec;
  border: 1px solid #d7d1c8;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #646d73;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.32, 0.72, 0, 1);
  font-family: var(--font);
}
.auth-social-btn:hover {
  border-color: #c8c1b6;
  color: #55697f;
  background: #efebe4;
  transform: translateY(-1px);
}

.auth-switch {
  text-align: center;
  font-size: 0.8rem;
  color: #8d9296;
}

.auth-switch a {
  color: #6f8299;
  font-weight: 600;
}
.auth-switch a:hover { text-decoration: underline; }

.auth-notice { padding: 12px 15px; border-radius: 6px; font-size: 0.8rem; display: none; line-height: 1.7; }
.auth-notice.error  { background: rgba(169, 125, 125, 0.08); border: 1px solid rgba(169, 125, 125, 0.24); color: #8e6666; display: block; }
.auth-notice.success { background: rgba(127, 153, 133, 0.08); border: 1px solid rgba(127, 153, 133, 0.24); color: #67816d; display: block; }

.auth-main-signup { grid-template-columns: 1fr 540px; }

.reg-steps { display: flex; align-items: center; margin-bottom: 34px; }
.reg-step { flex: 1; text-align: center; position: relative; }
.reg-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 14px; right: -50%;
  width: 100%; height: 1px;
  background: #d8d2c9;
  z-index: 0;
}
.reg-step.done:not(:last-child)::after,
.reg-step.active:not(:last-child)::after { background: #6f8299; }
.reg-step-circle {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: #f3efe9;
  border: 1px solid #d5cfc5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: #8f9498;
  margin: 0 auto 8px;
  position: relative;
  z-index: 1;
  transition: all 0.22s cubic-bezier(0.32, 0.72, 0, 1);
}
.reg-step.active .reg-step-circle { background: #6f8299; border-color: #6f8299; color: #fbfaf7; }
.reg-step.done .reg-step-circle { background: #e9edf1; border-color: #8d9aaa; color: #5e7187; }
.reg-step-label { font-size: 0.68rem; color: #8c9195; letter-spacing: 0.03em; }

.reg-step.active .reg-step-label { color: #6f8596; font-weight: 600; letter-spacing: 0.02em; }

/* 手机号 */
.phone-row { display: flex; gap: 16px; }
.phone-prefix {
  width: 96px;
  flex-shrink: 0;
  background: #f4f2ee;
  border: 1px solid #d6d2cb;
  color: #72777d;
  padding: 16px 12px;
  border-radius: 6px;
  font-size: 0.94rem;
  font-family: var(--font);
  transition: border-color 0.22s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.22s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.22s cubic-bezier(0.22, 1, 0.36, 1);
  line-height: 1.45;
}
.phone-prefix:focus {
  border-color: #6f8596;
  box-shadow: 0 0 0 3px rgba(111,133,150,0.12);
  background: #f8f7f4;
}
.phone-row .auth-input-wrap { flex: 1; }

/* 验证码 */
.verify-row { display: flex; gap: 18px; }
.verify-row .auth-input-wrap { flex: 1; }
.verify-btn {
  white-space: nowrap;
  padding: 0 18px;
  background: #f5f3ef;
  border: 1px solid #d3d0c9;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #6f8596;
  cursor: pointer;
  transition: border-color 0.24s cubic-bezier(0.19, 1, 0.22, 1), background-color 0.24s cubic-bezier(0.19, 1, 0.22, 1), color 0.24s cubic-bezier(0.19, 1, 0.22, 1), box-shadow 0.24s cubic-bezier(0.19, 1, 0.22, 1);
  font-family: var(--font);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.verify-btn:hover:not(:disabled) {
  border-color: #8698a6;
  background: #ebe8e1;
  color: #5f7485;
  box-shadow: 0 1px 3px rgba(53, 58, 63, 0.09);
}
.verify-btn:disabled { opacity: 0.5; cursor: not-allowed; color: #9a9b96; }

/* 密码强度 */
.pwd-strength { margin-top: 10px; }
.pwd-strength-bar { display: flex; gap: 6px; margin-bottom: 6px; }
.pwd-strength-seg { flex: 1; height: 4px; background: #d8d4cd; border-radius: 4px; transition: background-color 0.2s ease-out; }
.pwd-strength-label { font-size: 0.74rem; color: #91938e; line-height: 1.5; }

/* 协议 */
.auth-agree {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 0.84rem;
  color: #8a8d89;
  line-height: 1.82;
}
.auth-agree input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #6f8596;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 3px;
}
.auth-agree a { color: #6f8596; }
.auth-agree a:hover { text-decoration: underline; text-underline-offset: 2px; }

/* =============================================
   第三十三部分：动画
   ============================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.56s cubic-bezier(0.22, 1, 0.36, 1) forwards; }

@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 rgba(111,133,150,0.22); }
  50%       { box-shadow: 0 0 0 8px rgba(111,133,150,0); }
}
.pulse { animation: pulse-gold 2.4s infinite; }

/* =============================================
   第三十四部分：全局响应式
   ============================================= */
@media (max-width: 1024px) {
  .grid-4          { grid-template-columns: repeat(2, 1fr); }
  .app-grid        { grid-template-columns: repeat(2, 1fr); }
  .partners-grid   { grid-template-columns: repeat(2, 1fr); }
  .footer-grid     { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand    { grid-column: 1 / -1; }
  .footer-contact-inline { flex-direction: row; flex-wrap: wrap; gap: 10px 18px; }
  .grid-main-sidebar { grid-template-columns: 1fr; }
  .sidebar         { display: grid; grid-template-columns: 1fr 1fr; }
  .about-grid      { grid-template-columns: 1fr; gap: 28px; }
  .about-img-wrap  { max-width: 548px; }
  .author-hero-inner { grid-template-columns: 1fr; gap: 24px; text-align: center; }
  .author-avatar-wrap { margin: 0 auto; }
  .author-bio { margin-left: auto; margin-right: auto; }
  .author-stats { justify-content: center; gap: 24px; }
  .author-social-row { justify-content: center; }
  .author-tag-row { justify-content: center; }
}

@media (max-width: 900px) {
  .auth-main,
  .auth-main-signup { grid-template-columns: 1fr; }
  .auth-left { display: none; }
  .auth-right { border-left: none; min-height: calc(100vh - 64px); }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
    --section-py: 58px;
    --gap: 20px;
  }
  .section { padding: var(--section-py) 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-main { grid-row: auto; grid-column: auto; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .header-search { display: none; }
  .hero { min-height: 500px; }
  .hero-stats { flex-wrap: wrap; gap: 18px; }
  .post-hero { height: 264px; }
  .post-hero-content { padding: 24px; }
  .sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; padding: 32px 0 26px; }
  .footer-brand { grid-column: auto; text-align: center; }
  .footer-brand .site-logo { justify-content: center; }
  .footer-brand-text { max-width: 404px; margin-left: auto; margin-right: auto; }
  .footer-contact-inline { justify-content: center; }
  .footer-social { justify-content: center; }
  .footer-col h5 { display: block; text-align: center; border-bottom: none; padding-bottom: 0; margin-bottom: 14px; }
  .footer-col h5::after { content: ''; display: block; width: 24px; height: 2px; background: #6f8596; margin: 8px auto 0; }
  .footer-links a { justify-content: center; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .footer-legal { justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-btns { flex-direction: column; }
  .share-bar { flex-direction: column; align-items: flex-start; }
  .content-box { padding: 28px 20px; }
  .about-img-badge { width: 72px; height: 72px; font-size: 0.88rem; bottom: -10px; right: -10px; }
  .app-mockup-grid { grid-template-columns: 1fr; gap: 28px; }
  .qr-grid { grid-template-columns: 1fr; }
  .install-steps { grid-template-columns: repeat(2, 1fr); }
  .install-step:nth-child(2)::after { display: none; }
  .app-hero-stats { gap: 20px; }
  .phone-visual { gap: 16px; }
  .phone-frame { width: 138px; }
  .phone-frame.large { width: 162px; }
  .auth-right { padding: 36px 24px; }
  .post-nav-grid { grid-template-columns: 1fr; }
  .post-nav-next { text-align: left; }
  .author-hero { padding: 40px 0 34px; }
  .author-avatar-wrap { width: 144px; height: 144px; }
  .author-avatar-placeholder { font-size: 3rem; }
  .author-verified-badge { width: 32px; height: 32px; font-size: 0.94rem; }
  .author-stats { gap: 18px; padding: 14px 0; }
  .author-stat-num { font-size: 1.32rem; }
  .author-stat-label { font-size: 0.74rem; }
  .author-social-link { padding: 8px 12px; font-size: 0.76rem; }
  .author-social-text { display: none; }
  .author-box { flex-direction: column; text-align: center; }
  .author-box-avatar { margin: 0 auto; }
  .rating-overview { grid-template-columns: 1fr; gap: 18px; padding: 24px; }
  .rating-score { border-right: none; border-bottom: 1px solid #d6d2cb; padding: 0 0 18px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .milestone-timeline::before { left: 24px; }
  .milestone-item,
  .milestone-item.right { width: 100%; left: 0; padding-left: 58px; padding-right: 20px; text-align: left; }
  .milestone-item.left .milestone-year,
  .milestone-item.right .milestone-year { left: 0; right: auto; width: 52px; height: 52px; font-size: 0.84rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  h1 { font-size: 1.86rem; }
  .app-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .app-card { padding: 20px 14px; }
  .error-code { font-size: 4.4rem; }
  .search-form-large { flex-direction: column; }
  .install-steps { grid-template-columns: 1fr; }
  .install-step::after { display: none !important; }
  .cta-banner { padding: 42px 0; }
  .cta-btns { flex-direction: column; align-items: stretch; max-width: 296px; margin: 0 auto; }
  .partners-grid { grid-template-columns: 1fr; }
}