:root {
  --primary:        #7c5cff;
  --primary-dark:   #5c3df2;
  --primary-light:  #41d7ff;
  --primary-bg:     rgba(124,92,255,0.16);
  --primary-border: rgba(124,92,255,0.34);
  --accent:         #ff4fb8;
  --accent-bg:      rgba(255,79,184,0.14);

  --bg-body:        #09111c;
  --bg-card:        rgba(15,24,38,0.82);
  --bg-card-alt:    rgba(20,33,52,0.74);
  --bg-header:      rgba(8,14,24,0.78);
  --bg-footer:      #050913;
  --bg-footer-alt:  #0d1626;

  --border:         rgba(124,144,178,0.18);
  --border-light:   rgba(151,174,214,0.12);
  --border-primary: rgba(65,215,255,0.3);

  --text:           #f4f7ff;
  --text-secondary: #b8c6e3;
  --text-muted:     #7f90b2;
  --text-light:     #95a9cf;
  --text-white:     #fdfefe;

  --radius-sm:      10px;
  --radius:         22px;
  --radius-lg:      26px;
  --radius-xl:      30px;

  --shadow-sm:      0 12px 24px rgba(1,6,16,0.22);
  --shadow:         0 18px 46px rgba(2,8,20,0.3);
  --shadow-md:      0 24px 64px rgba(1,7,19,0.42);
  --shadow-lg:      0 34px 90px rgba(0,5,15,0.5);
  --shadow-primary: 0 22px 60px rgba(124,92,255,0.34);

  --ease:           cubic-bezier(0.22, 1, 0.36, 1);
  --duration:       0.52s;
  --transition:     0.52s cubic-bezier(0.22, 1, 0.36, 1);

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

  --container:      1344px;
  --header-h:       84px;
  --gap:            32px;
  --section-py:     108px;
}

*, *::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:
    radial-gradient(circle at 12% 18%, rgba(65,215,255,0.08) 0%, transparent 30%),
    radial-gradient(circle at 88% 14%, rgba(255,79,184,0.08) 0%, transparent 26%),
    linear-gradient(145deg, #050913 0%, #09111c 46%, #0b1828 100%);
  color: var(--text);
  line-height: 1.88;
  -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), text-shadow var(--transition);
}
a:hover { color: var(--primary-light); }

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(255,79,184,0.24);
  color: #ffffff;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #0d1728; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #7c5cff 0%, #41d7ff 100%);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #9d7bff 0%, #67e1ff 100%); }

h1 {
  font-size: clamp(2.6rem, 6vw, 5.1rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.055em;
  color: var(--text);
}
h2 {
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  font-weight: 850;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text);
}
h3 {
  font-size: clamp(1.28rem, 2.4vw, 1.82rem);
  font-weight: 760;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--text);
}
h4 {
  font-size: 1.08rem;
  font-weight: 720;
  line-height: 1.34;
  color: var(--text);
}
h5 {
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.38;
  color: var(--text);
}
p {
  font-size: 1.04rem;
  color: var(--text-secondary);
  line-height: 1.88;
}

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

.section-title {
  margin-bottom: 64px;
}
.section-title h2 {
  margin-bottom: 18px;
}
.section-title h2 span {
  color: var(--primary-light);
  text-shadow: 0 0 20px rgba(65,215,255,0.18);
}
.section-title p {
  color: var(--text-secondary);
  max-width: 720px;
  font-size: 1.08rem;
}
.section-title .divider {
  width: 72px;
  height: 4px;
  background: linear-gradient(90deg, #7c5cff 0%, #41d7ff 72%, #ff4fb8 100%);
  margin-top: 22px;
  border-radius: 999px;
  box-shadow: 0 0 26px rgba(65,215,255,0.2);
}

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

.section {
  padding: var(--section-py) 0;
}
.section-dark  {
  background:
    linear-gradient(180deg, rgba(9,17,28,0.84) 0%, rgba(7,13,24,0.98) 100%);
}
.section-card  {
  background:
    linear-gradient(135deg, rgba(13,21,34,0.82) 0%, rgba(18,29,46,0.74) 100%);
}
.section-card2 {
  background:
    linear-gradient(135deg, rgba(10,17,29,0.92) 0%, rgba(15,25,39,0.78) 100%);
}

.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) 372px;
  gap: 52px;
}

.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: 16px; }
.gap-4 { gap: 32px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 760;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.btn-primary {
  background: linear-gradient(135deg, #7c5cff 0%, #41d7ff 100%);
  color: #fefeff;
  box-shadow: 0 16px 44px rgba(76,93,255,0.28);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #8e6cff 0%, #63e0ff 100%);
  color: #ffffff;
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 24px 58px rgba(65,215,255,0.24);
}
.btn-outline {
  border: 1px solid rgba(130,154,196,0.26);
  color: var(--text);
  background: rgba(19,30,48,0.42);
}
.btn-outline:hover {
  background: linear-gradient(135deg, rgba(124,92,255,0.2) 0%, rgba(65,215,255,0.18) 100%);
  color: var(--primary-light);
  border-color: var(--border-primary);
  box-shadow: 0 18px 40px rgba(5,12,25,0.34);
}
.btn-accent {
  background: linear-gradient(135deg, #ff4fb8 0%, #ff8a6c 100%);
  color: var(--text-white);
  box-shadow: 0 18px 42px rgba(255,79,184,0.24);
}
.btn-accent:hover {
  background: linear-gradient(135deg, #ff67c2 0%, #ff9f80 100%);
  color: var(--text-white);
  transform: translateY(-3px) scale(1.01);
}
.btn-lg { padding: 18px 46px; font-size: 1.02rem; }
.btn-sm { padding: 11px 22px; font-size: 0.76rem; }

.card {
  background: linear-gradient(180deg, rgba(18,28,44,0.82) 0%, rgba(12,20,33,0.92) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-primary);
  background: linear-gradient(180deg, rgba(22,34,54,0.88) 0%, rgba(14,23,38,0.96) 100%);
}
.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.card-body { padding: 26px; }
.card-title {
  font-size: 1.16rem;
  font-weight: 780;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.46;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-title a:hover {
  color: var(--primary-light);
  text-shadow: 0 0 18px rgba(65,215,255,0.16);
}
.card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.card-excerpt {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.82;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer {
  padding: 16px 26px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.post-item {
  display: flex;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border-light);
}
.post-item:last-child { border-bottom: none; }
.post-item-thumb {
  width: 124px;
  height: 82px;
  object-fit: cover;
  border-radius: 18px;
  flex-shrink: 0;
  box-shadow: 0 14px 30px rgba(1,8,20,0.26);
}
.post-item-body { flex: 1; min-width: 0; }
.post-item-title {
  font-size: 1.02rem;
  font-weight: 760;
  color: var(--text);
  line-height: 1.52;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.post-item-title a:hover { color: var(--primary-light); }
.post-item-meta {
  font-size: 0.79rem;
  color: var(--text-muted);
}

.cat-label {
  display: inline-block;
  background: linear-gradient(135deg, #7c5cff 0%, #41d7ff 100%);
  color: var(--text-white);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
  box-shadow: 0 10px 24px rgba(76,92,255,0.24);
}
.cat-label-accent { background: linear-gradient(135deg, #ff4fb8 0%, #ff8a6c 100%); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-header);
  border-bottom: 1px solid rgba(141,163,202,0.14);
  height: var(--header-h);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: 0 18px 36px rgba(2,8,20,0.24);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.site-logo img { height: 44px; width: auto; }
.site-logo-text {
  font-size: 1.46rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav { display: flex; align-items: center; }
.main-nav ul { display: flex; align-items: center; gap: 8px; }
.main-nav a {
  display: block;
  padding: 11px 18px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  border-radius: 999px;
  transition: all var(--transition);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--text-white);
  background: linear-gradient(135deg, rgba(124,92,255,0.18) 0%, rgba(65,215,255,0.16) 100%);
  box-shadow: inset 0 0 0 1px rgba(130,154,196,0.18), 0 12px 26px rgba(2,8,20,0.22);
}
.main-nav .nav-cta {
  background: linear-gradient(135deg, #7c5cff 0%, #41d7ff 100%);
  color: var(--text-white) !important;
  padding: 11px 24px;
  margin-left: 16px;
  border-radius: 999px;
  box-shadow: 0 16px 34px rgba(124,92,255,0.24);
}
.main-nav .nav-cta:hover {
  background: linear-gradient(135deg, #8f71ff 0%, #5fe0ff 100%);
  color: var(--text-white) !important;
}

.header-search { position: relative; }
.header-search input {
  background: rgba(18,29,46,0.74);
  border: 1px solid rgba(137,160,199,0.16);
  color: var(--text);
  padding: 12px 46px 12px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  width: 220px;
  transition: all var(--transition);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.header-search input:focus {
  border-color: rgba(65,215,255,0.42);
  width: 286px;
  background: rgba(20,33,52,0.92);
  box-shadow: 0 0 0 4px rgba(65,215,255,0.1), 0 18px 36px rgba(2,8,20,0.28);
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search button {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.92rem;
}
.header-search button:hover { color: var(--primary-light); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: linear-gradient(90deg, #f4f7ff 0%, #92e9ff 100%);
  border-radius: 999px;
  transition: all var(--transition);
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 22% 18%, rgba(124,92,255,0.18) 0%, transparent 28%),
    radial-gradient(circle at 78% 26%, rgba(255,79,184,0.14) 0%, transparent 24%),
    rgba(5,9,19,0.94);
  backdrop-filter: blur(24px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.38rem;
  font-weight: 800;
  color: var(--text);
  padding: 14px 36px;
  border-radius: 999px;
}
.mobile-nav a:hover {
  color: var(--primary-light);
  background: rgba(124,92,255,0.14);
}
.mobile-nav-close {
  position: absolute;
  top: 26px;
  right: 26px;
  font-size: 1.9rem;
  color: var(--text-light);
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 22%, rgba(65,215,255,0.18) 0%, transparent 26%),
    radial-gradient(circle at 84% 18%, rgba(255,79,184,0.14) 0%, transparent 24%),
    linear-gradient(135deg, #07101a 0%, #0a1626 38%, #132540 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg, rgba(5,9,19,0.58) 0%, rgba(9,17,28,0.28) 48%, rgba(124,92,255,0.08) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(20,33,52,0.5);
  border: 1px solid rgba(65,215,255,0.24);
  color: var(--primary-light);
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 14px 28px rgba(3,9,21,0.2);
}
.hero h1 {
  margin-bottom: 24px;
}
.hero h1 span {
  color: var(--primary-light);
  text-shadow: 0 0 28px rgba(65,215,255,0.22);
}
.hero p,
.hero-subtitle {
  color: #c3d3f0;
  font-size: 1.16rem;
  margin-bottom: 42px;
  max-width: 610px;
}
.hero-btns { display: flex; gap: 18px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 56px;
  margin-top: 58px;
  padding-top: 36px;
  border-top: 1px solid rgba(148,169,208,0.16);
}
.hero-stat-num {
  font-size: 2.3rem;
  font-weight: 900;
  color: var(--primary-light);
  display: block;
  line-height: 1;
  text-shadow: 0 0 24px rgba(65,215,255,0.16);
}
.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -130px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(124,92,255,0.2) 0%, rgba(65,215,255,0.08) 36%, transparent 72%);
  pointer-events: none;
}

.breadcrumb {
  background: linear-gradient(180deg, rgba(13,21,34,0.84) 0%, rgba(10,17,29,0.92) 100%);
  border-bottom: 1px solid var(--border-light);
  padding: 16px 0;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.breadcrumb-list a { color: var(--primary-light); }
.breadcrumb-list a:hover { text-decoration: none; color: #9cecff; }
.breadcrumb-list .sep { color: #5a6b8e; margin: 0 4px; }
.breadcrumb-list .current { color: var(--text); font-weight: 600; }

.featured-grid {
  display: grid;
  grid-template-columns: 1.5fr 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: 1.5rem; }
.featured-main .card-excerpt { -webkit-line-clamp: 4; }

/* =============================================
   第十一部分：滚动新闻
   ============================================= */
.ticker-bar {
  background: linear-gradient(92deg, #08131f 0%, #13253a 46%, #1d0f2e 100%);
  color: #f4f8ff;
  padding: 14px 0;
  overflow: hidden;
  border-top: 1px solid rgba(128, 204, 255, 0.14);
  border-bottom: 1px solid rgba(179, 122, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), inset 0 -1px 0 rgba(255,255,255,0.03);
}
.ticker-inner { display: flex; align-items: center; gap: 28px; }
.ticker-label {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: linear-gradient(135deg, rgba(111, 225, 255, 0.18), rgba(173, 104, 255, 0.2));
  padding: 7px 15px;
  border-radius: 24px;
  white-space: nowrap;
  flex-shrink: 0;
  border: 1px solid rgba(182, 223, 255, 0.16);
  backdrop-filter: blur(14px);
}
.ticker-track {
  display: flex;
  gap: 56px;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.ticker-track a {
  color: #ecf3ff;
  transition: color 0.5s cubic-bezier(0.22, 1, 0.36, 1), text-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.ticker-track a:hover {
  text-decoration: underline;
  color: #7ee1ff;
  text-shadow: 0 0 16px rgba(126, 225, 255, 0.34);
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =============================================
   第十二部分：APP下载卡片
   ============================================= */
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.app-card {
  background: linear-gradient(160deg, rgba(17, 24, 38, 0.9) 0%, rgba(10, 19, 33, 0.84) 100%);
  border: 1px solid rgba(133, 183, 255, 0.14);
  border-radius: 28px;
  padding: 34px 24px 30px;
  box-shadow: 0 22px 52px rgba(3, 8, 18, 0.42), inset 0 1px 0 rgba(255,255,255,0.05);
  transition: all 0.52s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(18px);
}
.app-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #72dbff 0%, #6a87ff 52%, #bb72ff 100%);
  opacity: 0.34;
  transition: opacity 0.52s cubic-bezier(0.22, 1, 0.36, 1), transform 0.52s cubic-bezier(0.22, 1, 0.36, 1);
  transform: scaleX(0.34);
  transform-origin: left center;
}
.app-card:hover::before {
  opacity: 1;
  transform: scaleX(1);
}
.app-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 72px rgba(2, 10, 24, 0.58), 0 0 0 1px rgba(117, 219, 255, 0.18);
  border-color: rgba(124, 213, 255, 0.3);
}
.app-card img,
.app-card-icon img,
.app-icon-img {
  width: 78px;
  height: 78px;
  object-fit: contain;
  border-radius: 24px;
  margin-bottom: 18px;
}
.app-card h4 {
  font-size: 1.14rem;
  margin-bottom: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #f5f8ff;
}
.app-card p {
  font-size: 0.93rem;
  color: #b4c3d9;
  line-height: 1.78;
}
.app-card .app-features {
  list-style: none;
  padding: 0;
  margin: 16px 0 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.app-card .app-features li {
  font-size: 0.83rem;
  color: #9cb3cd;
}
.app-intro {
  margin-bottom: 40px;
  color: #b0bfd4;
  font-size: 1.08rem;
  line-height: 1.96;
}
.app-intro strong { color: #f6f9ff; font-weight: 800; }

/* =============================================
   第十三部分：关于我们
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}
.about-content h2 { margin-bottom: 24px; }
.about-content p {
  color: #afbed1;
  margin-bottom: 20px;
  line-height: 1.88;
}
.about-features {
  margin: 34px 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}
.about-feature-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(145deg, rgba(20, 39, 61, 0.9), rgba(26, 18, 45, 0.82));
  border: 1px solid rgba(122, 202, 255, 0.18);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.18rem;
  flex-shrink: 0;
  margin-top: 2px;
  color: #78ddff;
  box-shadow: 0 14px 34px rgba(4, 9, 19, 0.35), inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
}
.about-feature-text h4 {
  color: #7eddff;
  font-size: 1.06rem;
  margin-bottom: 6px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.about-feature-text p {
  font-size: 0.96rem;
  margin: 0;
}
.about-img-wrap { position: relative; }
.about-img-wrap img {
  width: 100%;
  border-radius: 30px;
  border: 1px solid rgba(140, 190, 255, 0.12);
  box-shadow: 0 28px 70px rgba(2, 9, 21, 0.54);
}
.about-img-badge {
  position: absolute;
  bottom: -30px;
  right: -18px;
  background: linear-gradient(145deg, #6ed9ff 0%, #6b7bff 52%, #af68ff 100%);
  color: #f7fbff;
  font-weight: 900;
  font-size: 1.36rem;
  width: 112px;
  height: 112px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.08;
  box-shadow: 0 24px 56px rgba(32, 20, 68, 0.42);
}

/* 关于页面 - 统计卡片 */
.stat-card {
  background: linear-gradient(165deg, rgba(16, 25, 40, 0.92), rgba(8, 16, 29, 0.86));
  border: 1px solid rgba(130, 184, 255, 0.12);
  border-radius: 26px;
  padding: 34px 20px;
  text-align: center;
  transition: transform 0.48s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.48s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.48s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 44px rgba(3, 8, 18, 0.34);
}
.stat-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 28px 66px rgba(2, 10, 24, 0.52);
  border-color: rgba(126, 220, 255, 0.24);
}
.stat-icon { font-size: 2.5rem; margin-bottom: 12px; }
.stat-icon-img { width: 50px; height: 50px; object-fit: contain; margin: 0 auto 10px; }
.stat-num {
  font-size: 2.24rem;
  font-weight: 900;
  color: #77e0ff;
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.stat-label { font-size: 0.94rem; color: #a7bad1; margin-top: 8px; }
.stat-desc { font-size: 0.81rem; color: #8195ae; margin-top: 8px; opacity: 0.92; line-height: 1.7; }

/* 里程碑时间线 */
.milestone-timeline {
  position: relative;
  max-width: 1040px;
  margin: 44px auto 0;
  padding: 24px 0;
}
.milestone-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, #74deff 0%, #7681ff 52%, #b56fff 100%);
  transform: translateX(-50%);
  box-shadow: 0 0 18px rgba(118, 129, 255, 0.28);
}
.milestone-item {
  position: relative;
  width: 50%;
  padding: 20px 42px;
}
.milestone-item.left { left: 0; text-align: right; }
.milestone-item.right { left: 50%; text-align: left; }
.milestone-year {
  position: absolute;
  top: 18px;
  width: 72px;
  height: 72px;
  background: radial-gradient(circle at 30% 30%, #89f0ff 0%, #6b89ff 54%, #955dff 100%);
  color: #f8fbff;
  border-radius: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.02rem;
  box-shadow: 0 22px 48px rgba(27, 20, 58, 0.44);
  z-index: 2;
}
.milestone-item.left .milestone-year { right: -36px; }
.milestone-item.right .milestone-year { left: -36px; }
.milestone-content {
  background: linear-gradient(155deg, rgba(17, 25, 40, 0.9), rgba(10, 18, 32, 0.84));
  border: 1px solid rgba(132, 182, 255, 0.13);
  border-radius: 28px;
  padding: 22px 26px;
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 46px rgba(3, 8, 18, 0.36);
}
.milestone-content h3 {
  margin: 0 0 8px;
  color: #7ddfff;
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.milestone-content p {
  margin: 0;
  color: #a6b8ce;
  line-height: 1.78;
  font-size: 0.96rem;
}
.milestone-icon { margin-bottom: 10px; }
.milestone-icon-img { width: 32px; height: 32px; object-fit: contain; }

/* 页面横幅 */
.page-hero {
  background:
    radial-gradient(circle at 18% 22%, rgba(120, 226, 255, 0.2) 0%, transparent 34%),
    radial-gradient(circle at 82% 18%, rgba(174, 103, 255, 0.18) 0%, transparent 36%),
    linear-gradient(135deg, #07111b 0%, #0b1a2c 48%, #140d26 100%);
  color: #f4f8ff;
  padding: 74px 0 54px;
  text-align: center;
}
.page-hero h1 {
  font-size: 2.9rem;
  margin: 0 0 14px;
  color: #f7fbff;
  font-weight: 900;
  letter-spacing: -0.04em;
}
.page-hero p {
  font-size: 1.12rem;
  opacity: 0.9;
  color: #cfddf0;
  margin: 0;
  line-height: 1.8;
}

/* =============================================
   第十四部分：FAQ
   ============================================= */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: linear-gradient(160deg, rgba(16, 24, 39, 0.9), rgba(10, 18, 31, 0.84));
  border: 1px solid rgba(133, 184, 255, 0.12);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 18px 42px rgba(2, 8, 18, 0.34);
  transition: border-color 0.48s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.48s cubic-bezier(0.22, 1, 0.36, 1), transform 0.48s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(16px);
}
.faq-item:hover,
.faq-item.open {
  border-color: rgba(122, 221, 255, 0.26);
  box-shadow: 0 26px 56px rgba(2, 9, 22, 0.48);
  transform: translateY(-3px);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  cursor: pointer;
  font-weight: 800;
  font-size: 1.05rem;
  color: #f1f7ff;
  user-select: none;
  transition: color 0.5s cubic-bezier(0.22, 1, 0.36, 1), background 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  letter-spacing: -0.01em;
}
.faq-question:hover {
  color: #7ce0ff;
  background: linear-gradient(90deg, rgba(116, 222, 255, 0.08), rgba(174, 103, 255, 0.06));
}
.faq-question .faq-icon {
  width: 30px;
  height: 30px;
  border: 1px solid rgba(121, 220, 255, 0.26);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.94rem;
  color: #78dcff;
  flex-shrink: 0;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), background 0.5s cubic-bezier(0.22, 1, 0.36, 1), color 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  background: rgba(255,255,255,0.02);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: linear-gradient(145deg, #74ddff, #9465ff);
  color: #f8fbff;
  box-shadow: 0 10px 28px rgba(65, 66, 165, 0.34);
}
.faq-answer {
  display: none;
  padding: 0 26px 24px;
  color: #afc0d4;
  font-size: 0.98rem;
  line-height: 1.92;
  border-top: 1px solid rgba(142, 185, 235, 0.08);
}
.faq-item.open .faq-answer { display: block; }

/* =============================================
   第十五部分：合作伙伴
   ============================================= */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-bottom: 52px;
}
.partner-card {
  background: linear-gradient(160deg, rgba(17, 25, 39, 0.9), rgba(9, 18, 31, 0.82));
  border: 1px solid rgba(129, 182, 255, 0.13);
  border-radius: 28px;
  padding: 34px 22px 28px;
  text-align: center;
  box-shadow: 0 18px 42px rgba(2, 8, 18, 0.34);
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(16px);
}
.partner-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 28px 64px rgba(2, 10, 24, 0.5);
  border-color: rgba(121, 221, 255, 0.24);
}
.partner-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
  color: #7adfff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partner-name {
  font-weight: 800;
  font-size: 1.18rem;
  color: #f4f8ff;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.partner-desc {
  font-size: 0.92rem;
  color: #adbed3;
  line-height: 1.82;
}
.partners-intro {
  margin-bottom: 40px;
  color: #afc0d5;
  font-size: 1.08rem;
  line-height: 1.96;
}
.partners-intro strong { color: #f7faff; font-weight: 800; }

/* 信任徽章 */
.trust-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  border-top: 1px solid rgba(140, 186, 236, 0.1);
  padding-top: 34px;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(145deg, rgba(16, 24, 39, 0.88), rgba(12, 20, 34, 0.78));
  border: 1px solid rgba(131, 182, 255, 0.13);
  border-radius: 22px;
  padding: 10px 20px;
  font-size: 0.9rem;
  color: #b4c4d8;
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 28px rgba(3, 8, 18, 0.24);
}
.trust-badge-icon {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

/* =============================================
   第十六部分：侧边栏
   ============================================= */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.widget {
  background: linear-gradient(160deg, rgba(16, 24, 39, 0.9), rgba(9, 17, 31, 0.82));
  border: 1px solid rgba(131, 183, 255, 0.12);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 18px 44px rgba(2, 8, 18, 0.34);
  backdrop-filter: blur(16px);
}
.widget-header {
  padding: 16px 22px;
  border-bottom: 1px solid rgba(141, 187, 237, 0.09);
  display: flex;
  align-items: center;
  gap: 12px;
}
.widget-header h4 {
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #f2f7ff;
}
.widget-header::before {
  content: '';
  display: block;
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, #76dfff 0%, #9563ff 100%);
  border-radius: 999px;
}
.widget-body { padding: 20px 22px; }

/* 侧边栏搜索 */
.widget-search { display: flex; gap: 10px; }
.widget-search input {
  flex: 1;
  background: rgba(14, 23, 38, 0.88);
  border: 1px solid rgba(127, 179, 253, 0.12);
  color: #edf5ff;
  padding: 12px 16px;
  border-radius: 20px;
  font-size: 0.94rem;
  transition: border-color 0.46s cubic-bezier(0.22, 1, 0.36, 1), background 0.46s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.46s cubic-bezier(0.22, 1, 0.36, 1);
}
.widget-search input:focus {
  border-color: rgba(122, 221, 255, 0.3);
  background: rgba(19, 29, 47, 0.96);
  box-shadow: 0 0 0 4px rgba(110, 215, 255, 0.1);
}
.widget-search button {
  background: linear-gradient(145deg, #71dcff 0%, #8e67ff 100%);
  color: #f8fbff;
  padding: 12px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 12px 28px rgba(39, 37, 102, 0.3);
}

/* 分类列表 */
.cat-list { display: flex; flex-direction: column; }
.cat-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(143, 188, 238, 0.08);
  font-size: 0.94rem;
}
.cat-list-item:last-child { border-bottom: none; }
.cat-list-item a {
  color: #adc0d5;
  transition: color 0.46s cubic-bezier(0.22, 1, 0.36, 1);
}
.cat-list-item a:hover { color: #7ce0ff; }
.cat-count {
  background: rgba(18, 28, 46, 0.9);
  color: #8fa5bf;
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(126, 180, 252, 0.1);
}

/* 热门文章 */
.popular-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(143, 188, 238, 0.08);
}
.popular-item:last-child { border-bottom: none; }
.popular-rank {
  font-size: 1.46rem;
  font-weight: 900;
  color: #8098b7;
  width: 28px;
  flex-shrink: 0;
  line-height: 1;
  padding-top: 1px;
}
.popular-item:nth-child(1) .popular-rank { color: #71ddff; }
.popular-item:nth-child(2) .popular-rank { color: #8e86ff; }
.popular-item:nth-child(3) .popular-rank { color: #b07cff; }
.popular-img {
  width: 74px;
  height: 54px;
  object-fit: cover;
  border-radius: 18px;
  flex-shrink: 0;
}
.popular-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #eef5ff;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.65;
}
.popular-title a:hover { color: #7adfff; }

/* 标签云 */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-item {
  background: rgba(17, 27, 44, 0.86);
  border: 1px solid rgba(126, 179, 252, 0.12);
  color: #aec0d6;
  font-size: 0.76rem;
  padding: 7px 14px;
  border-radius: 18px;
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tag-item:hover {
  border-color: rgba(121, 220, 255, 0.28);
  color: #eff7ff;
  background: linear-gradient(145deg, rgba(113, 220, 255, 0.14), rgba(146, 103, 255, 0.14));
  transform: translateY(-2px);
}

/* =============================================
   第十七部分：单篇文章
   ============================================= */
.post-hero {
  position: relative;
  height: 460px;
  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(5, 10, 20, 0.9) 0%, rgba(9, 19, 34, 0.38) 56%, rgba(0, 0, 0, 0) 100%);
}
.post-hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 56px 46px;
  color: #f6faff;
}
.post-hero-content h1 { color: #f8fbff; }

.post-header { padding: 48px 0 0; }
.post-title {
  font-size: clamp(1.9rem, 3.3vw, 3rem);
  margin-bottom: 18px;
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 900;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  color: #90a4be;
  font-size: 0.8rem;
  margin-bottom: 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(142, 186, 235, 0.1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.post-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 文章内容 */
.post-content {
  color: #b2c1d5;
  font-size: 1.08rem;
  line-height: 2.08;
}
.post-content h2, .post-content h3, .post-content h4 {
  color: #f2f7ff;
  margin: 34px 0 14px;
  letter-spacing: -0.03em;
  font-weight: 850;
}
.post-content p { margin-bottom: 20px; }
.post-content img {
  border-radius: 24px;
  margin: 24px 0;
  border: 1px solid rgba(133, 184, 255, 0.12);
  box-shadow: 0 20px 50px rgba(2, 9, 21, 0.42);
}
.post-content a {
  color: #7bddff;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(123, 221, 255, 0.42);
}
.post-content blockquote {
  border-left: 4px solid #7addff;
  padding: 20px 24px;
  background: linear-gradient(145deg, rgba(17, 28, 46, 0.84), rgba(16, 18, 38, 0.8));
  border-radius: 0 24px 24px 0;
  margin: 28px 0;
  font-style: italic;
  color: #c1d0e1;
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 38px rgba(3, 8, 18, 0.28);
}
.post-content ul, .post-content ol {
  padding-left: 28px;
  margin: 20px 0;
  list-style: disc;
}
.post-content ol { list-style: decimal; }
.post-content li {
  margin-bottom: 10px;
  color: #adbed2;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0 18px;
  font-size: 1rem;
  background: linear-gradient(145deg, rgba(18, 24, 37, 0.92), rgba(8, 15, 28, 0.84));
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 18px 42px rgba(5, 10, 22, 0.42);
}
.post-content th {
  background: linear-gradient(135deg, rgba(41, 92, 156, 0.28), rgba(120, 70, 189, 0.2));
  color: #9ed8ff;
  padding: 15px 20px;
  text-align: left;
  border: 1px solid rgba(123, 155, 210, 0.22);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.post-content td {
  padding: 16px 20px;
  border: 1px solid rgba(123, 155, 210, 0.14);
  color: #b9c7df;
  line-height: 1.7;
}

.post-tags {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 38px;
}
.post-tags-label {
  font-size: 0.9rem;
  color: #7f92b8;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.share-bar {
  background: linear-gradient(140deg, rgba(16, 22, 34, 0.9), rgba(24, 38, 62, 0.7));
  border: 1px solid rgba(142, 173, 231, 0.14);
  border-radius: 28px;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 36px 0;
  flex-wrap: wrap;
  box-shadow: 0 20px 48px rgba(4, 8, 18, 0.45);
  backdrop-filter: blur(18px);
}
.share-label {
  font-size: 0.9rem;
  color: #8296bd;
  font-weight: 800;
  margin-right: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.share-btn {
  padding: 10px 19px;
  border-radius: 22px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #f4f7ff;
  display: inline-block;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 10px 24px rgba(6, 10, 20, 0.3);
  transition: all 0.52s cubic-bezier(0.22, 1, 0.36, 1);
}
.share-btn:hover {
  transform: translateY(-3px) scale(1.02);
  filter: saturate(1.08) brightness(1.06);
}
.share-wechat  { background: linear-gradient(135deg, #18b47d, #4de2a4); }
.share-weibo   { background: linear-gradient(135deg, #ff4f72, #d91f58); }
.share-twitter { background: linear-gradient(135deg, #45c8ff, #3d7cff); }
.share-copy {
  background: linear-gradient(135deg, rgba(19, 27, 43, 0.92), rgba(29, 40, 61, 0.82));
  border: 1px solid rgba(133, 164, 221, 0.18);
  color: #c2cfea;
  cursor: pointer;
}

.related-posts { margin-top: 62px; }
.related-posts h3 {
  margin-bottom: 26px;
  font-size: 1.32rem;
  border-left: 0;
  padding-left: 16px;
  color: #eef4ff;
  position: relative;
}
.related-posts h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 5px;
  border-radius: 999px;
  background: linear-gradient(180deg, #64c7ff, #8b5dff);
}

.post-author {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.author-avatar-sm {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 2px rgba(103, 141, 222, 0.22);
}
.post-author a {
  color: #8fd1ff;
  font-weight: 600;
  transition: color 0.48s cubic-bezier(0.22, 1, 0.36, 1);
}
.post-author a:hover {
  text-decoration: none;
  color: #d3a8ff;
}

.author-box {
  display: flex;
  gap: 24px;
  padding: 28px;
  margin: 44px 0;
  background: linear-gradient(145deg, rgba(14, 20, 33, 0.9), rgba(20, 32, 54, 0.72));
  border-left: 1px solid rgba(150, 183, 240, 0.22);
  border-radius: 28px;
  box-shadow: 0 22px 54px rgba(4, 8, 18, 0.46);
  backdrop-filter: blur(16px);
}
.author-box-avatar {
  width: 86px;
  height: 86px;
  border-radius: 28px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 16px 32px rgba(8, 14, 28, 0.34);
}
.author-box-info { flex: 1; }
.author-box-name {
  margin: 0 0 10px;
  font-size: 1.2rem;
  font-weight: 700;
}
.author-box-name a {
  color: #f2f6ff;
  transition: color 0.48s cubic-bezier(0.22, 1, 0.36, 1);
}
.author-box-name a:hover { color: #8fd1ff; }
.author-box-job {
  display: inline-block;
  margin-left: 10px;
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #99b4de;
  background: linear-gradient(135deg, rgba(38, 52, 79, 0.82), rgba(66, 49, 109, 0.5));
  border-radius: 18px;
  letter-spacing: 0.05em;
}
.author-box-bio {
  margin: 0;
  font-size: 0.96rem;
  color: #b6c5df;
  line-height: 1.82;
}

.post-nav { margin: 46px 0; }
.post-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.post-nav-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px;
  background: linear-gradient(145deg, rgba(13, 18, 31, 0.94), rgba(20, 29, 47, 0.78));
  border: 1px solid rgba(142, 172, 226, 0.16);
  border-radius: 26px;
  transition: all 0.54s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 36px rgba(4, 8, 18, 0.34);
}
.post-nav-item:not(.post-nav-disabled):hover {
  border-color: rgba(118, 175, 255, 0.5);
  box-shadow: 0 24px 52px rgba(25, 64, 130, 0.22);
  transform: translateY(-4px);
}
.post-nav-next { text-align: right; }
.post-nav-label {
  font-size: 0.82rem;
  color: #8093b8;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.post-nav-title {
  font-size: 1rem;
  color: #edf3ff;
  font-weight: 700;
  line-height: 1.55;
}
.post-nav-disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 62px;
}
.page-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 22px;
  font-size: 0.92rem;
  font-weight: 700;
  border: 1px solid rgba(141, 172, 232, 0.16);
  color: #b8c8e4;
  background: linear-gradient(145deg, rgba(12, 18, 30, 0.94), rgba(24, 34, 55, 0.74));
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 14px 28px rgba(5, 9, 20, 0.3);
  backdrop-filter: blur(14px);
}
.page-item:hover {
  border-color: rgba(126, 191, 255, 0.52);
  color: #9fdcff;
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(18, 66, 148, 0.24);
}
.page-item.active {
  background: linear-gradient(135deg, #4f8cff, #8557ff);
  border-color: transparent;
  color: #f9fbff;
}
.page-item.disabled { opacity: 0.32; pointer-events: none; }

.search-header {
  padding: 58px 0;
  border-bottom: 1px solid rgba(130, 162, 224, 0.12);
  margin-bottom: 44px;
  background: radial-gradient(circle at 20% 20%, rgba(73, 118, 206, 0.18), transparent 42%), linear-gradient(180deg, rgba(10, 16, 29, 0.95), rgba(11, 14, 22, 0.74));
}
.search-form-large { display: flex; gap: 16px; max-width: 700px; }
.search-form-large input {
  flex: 1;
  background: linear-gradient(145deg, rgba(15, 22, 36, 0.96), rgba(23, 35, 58, 0.78));
  border: 1px solid rgba(133, 166, 224, 0.18);
  color: #eef4ff;
  padding: 17px 24px;
  border-radius: 24px;
  font-size: 1.06rem;
  backdrop-filter: blur(14px);
  transition: border-color 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1), transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.search-form-large input:focus {
  border-color: rgba(125, 196, 255, 0.56);
  box-shadow: 0 0 0 4px rgba(84, 135, 255, 0.14), 0 18px 42px rgba(13, 35, 76, 0.26);
  transform: translateY(-1px);
}
.search-results-count {
  font-size: 0.95rem;
  color: #8b9fc4;
  margin-top: 16px;
}
.search-highlight {
  color: #9ad7ff;
  font-weight: 800;
}

.category-header {
  background: radial-gradient(circle at top left, rgba(105, 84, 220, 0.18), transparent 34%), linear-gradient(180deg, rgba(11, 17, 30, 0.96), rgba(8, 13, 24, 0.88));
  border-bottom: 1px solid rgba(133, 163, 223, 0.12);
  padding: 48px 0 34px;
  margin-bottom: 44px;
}
.category-header h1 {
  font-size: 2.4rem;
  line-height: 0.98;
  color: #f3f7ff;
  letter-spacing: -0.03em;
}
.category-header p {
  color: #91a5c9;
  font-size: 1.02rem;
  margin-top: 14px;
  max-width: 610px;
  line-height: 1.85;
}
.sort-bar {
  display: flex;
  align-items: center;
  gap: 12px 18px;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(133, 163, 223, 0.12);
  flex-wrap: wrap;
}
.sort-bar-label {
  font-size: 0.84rem;
  color: #8598be;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.sort-btn {
  font-size: 0.84rem;
  padding: 9px 17px;
  border: 1px solid rgba(136, 168, 228, 0.16);
  border-radius: 20px;
  color: #93a8cb;
  background: linear-gradient(145deg, rgba(15, 22, 36, 0.94), rgba(24, 34, 57, 0.76));
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(12px);
}
.sort-btn:hover, .sort-btn.active {
  border-color: rgba(121, 191, 255, 0.48);
  color: #a7ddff;
  background: linear-gradient(135deg, rgba(44, 76, 152, 0.42), rgba(102, 65, 195, 0.34));
  box-shadow: 0 16px 34px rgba(15, 37, 78, 0.24);
}

.site-footer {
  background: radial-gradient(circle at top center, rgba(80, 114, 215, 0.16), transparent 34%), linear-gradient(180deg, #0c111d 0%, #090d16 52%, #060912 100%);
  color: #dce6fa;
  position: relative;
}
.site-footer::before {
  content: '';
  display: block;
  height: 4px;
  background: linear-gradient(90deg, #59bfff 0%, #7e5cff 50%, #35e0c3 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 54px;
  padding: 64px 0 46px;
  border-bottom: 1px solid rgba(141, 170, 227, 0.1);
}

.footer-brand .site-logo {
  margin-bottom: 16px;
  display: inline-flex;
}
.footer-brand .site-logo img {
  filter: brightness(0) invert(1);
  opacity: 0.96;
}
.footer-brand .site-logo-text {
  color: #f6f9ff;
  font-size: 1.48rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.footer-brand-text {
  color: #95abd0;
  font-size: 0.97rem;
  margin: 18px 0 24px;
  line-height: 1.92;
}

.footer-contact-inline {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
  padding: 0;
  border: none;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: #9cb0d2;
  transition: color 0.48s cubic-bezier(0.22, 1, 0.36, 1), padding-left 0.48s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer-contact-item:hover,
.footer-contact-item a:hover {
  color: #9fe0ff;
  padding-left: 6px;
}
.footer-contact-item a {
  color: #9cb0d2;
  transition: color 0.48s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer-contact-icon {
  font-size: 1rem;
  color: #7fc5ff;
  flex-shrink: 0;
  width: 22px;
  text-align: center;
}
.footer-contact-sep { display: none; }

.footer-social {
  display: flex;
  gap: 12px;
}
.social-btn {
  width: 42px;
  height: 42px;
  background: linear-gradient(145deg, rgba(21, 29, 46, 0.84), rgba(31, 44, 72, 0.5));
  border: 1px solid rgba(143, 171, 226, 0.12);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #97add1;
  transition: all 0.54s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 28px rgba(3, 7, 17, 0.28);
}
.social-btn:hover {
  background: linear-gradient(135deg, #4d8eff, #7a58ff);
  border-color: transparent;
  color: #f7fbff;
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(58, 95, 211, 0.34);
}

.footer-col h5 {
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: #f4f8ff;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(128, 196, 255, 0.26);
  display: inline-block;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-links a {
  font-size: 0.92rem;
  color: #9cb0d2;
  padding: 8px 0;
  display: flex;
  align-items: center;
  transition: color 0.48s cubic-bezier(0.22, 1, 0.36, 1), padding-left 0.48s cubic-bezier(0.22, 1, 0.36, 1);
  border-bottom: 1px solid rgba(137, 165, 219, 0.08);
}
.footer-links a:last-child { border-bottom: none; }
.footer-links a::before {
  content: '›';
  margin-right: 10px;
  color: rgba(157, 188, 238, 0.24);
  font-weight: 800;
  transition: color 0.48s cubic-bezier(0.22, 1, 0.36, 1), margin-right 0.48s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer-links a:hover {
  color: #eff5ff;
  padding-left: 6px;
}
.footer-links a:hover::before {
  color: #86ceff;
  margin-right: 13px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-copyright-info p {
  font-size: 0.84rem;
  color: #7086aa;
  margin: 0;
}
.footer-beian {
  margin-top: 8px;
  font-size: 0.8rem;
}
.footer-beian a {
  color: #7086aa;
  transition: color 0.48s cubic-bezier(0.22, 1, 0.36, 1);
}
.footer-beian a:hover { color: #95d7ff; }

.footer-legal {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.footer-legal a {
  font-size: 0.82rem;
  color: #7a90b4;
  padding: 6px 14px;
  border: 1px solid rgba(144, 173, 229, 0.12);
  border-radius: 18px;
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  background: rgba(18, 25, 39, 0.36);
  backdrop-filter: blur(10px);
}
.footer-legal a:hover {
  color: #f3f8ff;
  border-color: rgba(120, 191, 255, 0.4);
  background: linear-gradient(135deg, rgba(62, 103, 197, 0.24), rgba(113, 74, 220, 0.18));
}

.disclaimer-bar {
  background: rgba(7, 11, 19, 0.76);
  border-top: 1px solid rgba(136, 167, 224, 0.08);
  padding: 15px 0;
  text-align: center;
  font-size: 0.78rem;
  color: #5d7398;
  letter-spacing: 0.03em;
}

.page-404 {
  min-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.error-code {
  font-size: 9.5rem;
  font-weight: 900;
  color: #7ac7ff;
  line-height: 0.82;
  opacity: 0.14;
  letter-spacing: -0.06em;
}
.error-title {
  font-size: 2.15rem;
  margin-bottom: 16px;
  color: #f2f7ff;
}
.error-msg {
  color: #90a4c8;
  margin-bottom: 34px;
  font-size: 1rem;
  line-height: 1.8;
}

.content-box {
  background: linear-gradient(145deg, rgba(14, 20, 32, 0.92), rgba(20, 32, 54, 0.74));
  border: 1px solid rgba(139, 170, 229, 0.14);
  border-radius: 30px;
  padding: 48px;
  box-shadow: 0 24px 56px rgba(4, 8, 18, 0.42);
  backdrop-filter: blur(18px);
}
.content-box h2 {
  font-size: 1.62rem;
  color: #9dd9ff;
  margin: 34px 0 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(137, 168, 224, 0.14);
  letter-spacing: -0.02em;
}
.content-box h2:first-child { border-top: none; margin-top: 0; padding-top: 0; }
.content-box p {
  color: #b8c6de;
  margin-bottom: 20px;
  line-height: 1.98;
  font-size: 0.99rem;
}
.content-box ul { padding-left: 24px; list-style: disc; }
.content-box li {
  color: #b8c6de;
  margin-bottom: 10px;
  line-height: 1.82;
}

.contact-form { display: flex; flex-direction: column; gap: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-group { display: flex; flex-direction: column; gap: 9px; }
.form-group label {
  font-size: 0.86rem;
  font-weight: 800;
  color: #adbeda;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea,
.form-group select {
  background: linear-gradient(145deg, rgba(16, 23, 37, 0.96), rgba(26, 37, 60, 0.76));
  border: 1px solid rgba(137, 169, 226, 0.16);
  color: #eff4ff;
  padding: 15px 17px;
  border-radius: 22px;
  font-size: 1rem;
  transition: border-color 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1), background 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(12px);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(122, 196, 255, 0.5);
  background: linear-gradient(145deg, rgba(19, 28, 45, 0.98), rgba(32, 46, 73, 0.84));
  box-shadow: 0 0 0 4px rgba(77, 128, 232, 0.12), 0 18px 38px rgba(10, 29, 63, 0.24);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #7d91b7; }
.form-group textarea { min-height: 180px; resize: vertical; }
.form-notice {
  font-size: 0.82rem;
  color: #8599be;
  line-height: 1.7;
}

.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-info-item {
  display: flex;
  gap: 18px;
  padding: 24px;
  background: linear-gradient(145deg, rgba(15, 22, 36, 0.92), rgba(25, 37, 61, 0.72));
  border: 1px solid rgba(138, 169, 226, 0.14);
  border-radius: 28px;
  box-shadow: 0 18px 42px rgba(5, 9, 20, 0.32);
  backdrop-filter: blur(14px);
}
.contact-icon {
  width: 54px;
  height: 54px;
  background: linear-gradient(135deg, rgba(70, 118, 226, 0.24), rgba(129, 75, 228, 0.2));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.08rem;
  color: #9fd8ff;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(149, 196, 255, 0.14);
}
.contact-info-item h5 {
  font-size: 0.88rem;
  color: #91d3ff;
  margin-bottom: 6px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.contact-info-item p {
  font-size: 0.96rem;
  color: #9db0d1;
  margin: 0;
  line-height: 1.78;
}

.notice {
  padding: 18px 22px;
  border-radius: 24px;
  font-size: 0.92rem;
  border-left: 1px solid;
  margin-bottom: 24px;
  line-height: 1.8;
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 34px rgba(4, 8, 18, 0.22);
}
.notice-warning {
  background: linear-gradient(135deg, rgba(88, 56, 9, 0.34), rgba(145, 92, 24, 0.18));
  border-color: #ffbd66;
  color: #ffd89b;
}
.notice-info {
  background: linear-gradient(135deg, rgba(23, 55, 106, 0.34), rgba(81, 56, 156, 0.2));
  border-color: #7bcfff;
  color: #bce8ff;
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #5aa0ff, #7c5dff);
  color: #f8fbff;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.08rem;
  font-weight: 900;
  box-shadow: 0 22px 44px rgba(46, 88, 201, 0.34);
  opacity: 0;
  pointer-events: none;
  transition: all 0.56s 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(-5px) scale(1.04);
  background: linear-gradient(135deg, #72d6ff, #8f6bff);
  box-shadow: 0 28px 50px rgba(54, 96, 214, 0.4);
}

/* =============================================
   第二十六部分：CTA横幅
   ============================================= */
.cta-banner {
  background:
    radial-gradient(circle at 20% 18%, rgba(95, 231, 255, 0.16) 0%, transparent 34%),
    radial-gradient(circle at 78% 70%, rgba(140, 92, 255, 0.18) 0%, transparent 38%),
    linear-gradient(142deg, #07111d 0%, #0b1624 48%, #12111f 100%);
  border-top: 1px solid rgba(133, 157, 196, 0.2);
  border-bottom: 1px solid rgba(133, 157, 196, 0.18);
  padding: 82px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
  backdrop-filter: blur(14px);
}
.cta-banner::before {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(64, 199, 255, 0.14) 0%, rgba(112, 70, 255, 0.09) 36%, transparent 72%);
  pointer-events: none;
}
.cta-banner > .container { position: relative; z-index: 2; }
.cta-badge { margin-bottom: 26px; }
.cta-title { margin-bottom: 18px; }
.cta-desc {
  color: #b9c6db;
  margin: 0 auto 36px;
  max-width: 672px;
  line-height: 1.98;
  font-size: 1.04rem;
}
.cta-btns {
  display: flex;
  gap: 18px;
  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: 24px;
  margin-top: 44px;
}
.feature-mini-card {
  background: linear-gradient(180deg, rgba(19, 28, 42, 0.88) 0%, rgba(11, 18, 30, 0.92) 100%);
  border: 1px solid rgba(126, 149, 186, 0.18);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 18px 44px rgba(2, 7, 18, 0.42), inset 0 1px 0 rgba(216, 238, 255, 0.06);
  transition: all 0.54s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(18px);
}
.feature-mini-card:hover {
  transform: translateY(-7px);
  border-color: rgba(92, 219, 255, 0.36);
  box-shadow: 0 26px 58px rgba(3, 10, 25, 0.56), 0 0 0 1px rgba(123, 90, 255, 0.14);
}
.feature-mini-card .feature-icon {
  font-size: 2.05rem;
  margin-bottom: 14px;
  color: #66d9ff;
}

.sports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.sport-card {
  background: linear-gradient(180deg, rgba(17, 26, 39, 0.9) 0%, rgba(8, 13, 24, 0.96) 100%);
  border-radius: 26px;
  padding: 30px;
  border: 1px solid rgba(127, 148, 180, 0.17);
  box-shadow: 0 20px 48px rgba(1, 7, 19, 0.46), inset 0 1px 0 rgba(226, 240, 255, 0.05);
  transition: all 0.52s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(16px);
}
.sport-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 64px rgba(2, 10, 24, 0.62), 0 0 28px rgba(90, 202, 255, 0.08);
  border-color: rgba(101, 214, 255, 0.28);
}
.sport-icon { font-size: 2.5rem; color: #79d3ff; }
.sport-icon-img { width: 78px; height: 78px; object-fit: contain; }
.sport-name { font-size: 1.2rem; font-weight: 800; margin: 16px 0 8px; color: #f2f7ff; letter-spacing: -0.02em; }
.sport-desc
 { font-size: 0.96rem; color: #b4c1d6; line-height: 1.82; }
.sport-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(144, 166, 199, 0.14);
  color: #8392ab;
  font-size: 0.8rem;
}
.sport-count { font-size: 0.8rem; color: #8392ab; }
.sport-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: #77d7ff;
  transition: color 0.48s cubic-bezier(0.22, 1, 0.36, 1), text-shadow 0.48s cubic-bezier(0.22, 1, 0.36, 1);
}
.sport-link:hover { color: #b08cff; text-shadow: 0 0 16px rgba(176, 140, 255, 0.4); }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 26px;
}
.step-card {
  position: relative;
  padding: 34px 26px;
  background:
    linear-gradient(180deg, rgba(19, 29, 45, 0.88) 0%, rgba(10, 16, 29, 0.94) 100%);
  border: 1px solid rgba(122, 146, 182, 0.18);
  border-radius: 28px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(3, 9, 21, 0.48), inset 0 1px 0 rgba(236, 245, 255, 0.05);
  backdrop-filter: blur(18px);
}
.step-number {
  position: absolute;
  top: -18px; right: 18px;
  font-size: 2.9rem;
  font-weight: 900;
  color: #7aa7ff;
  opacity: 0.17;
}
.step-icon { margin-bottom: 18px; }
.step-icon-img { width: 62px; height: 62px; object-fit: contain; margin: 0 auto; }
.lead-text {
  font-size: 1.12rem;
  line-height: 1.9;
  margin-bottom: 24px;
  color: #bcc8da;
}

/* 负责任内容 */
.responsible-content {
  max-width: 902px;
  color: #b8c4d7;
  font-size: 1.04rem;
  line-height: 2.04;
}
.responsible-content strong { color: #f4f8ff; font-weight: 800; }

/* 首页概览 */
.section-intro {
  background: linear-gradient(180deg, rgba(12, 18, 31, 0.94) 0%, rgba(8, 13, 24, 0.98) 100%);
}
.intro-wrap { display: flex; flex-direction: column; }
.intro-content {
  color: #b7c4d9;
  font-size: 1.05rem;
  line-height: 2.02;
}
.intro-content strong { color: #f3f8ff; font-weight: 800; }

/* 图标通用 */
.feature-icon-img { width: 58px; height: 58px; object-fit: contain; }
.about-icon-img { width: 48px; height: 48px; object-fit: contain; }
.partner-icon-img { width: 66px; height: 66px; object-fit: contain; margin: 0 auto; display: block; }
.badge-icon-img { width: 24px; height: 24px; object-fit: contain; vertical-align: middle; }

/* =============================================
   第二十八部分：用户评价
   ============================================= */
.testimonials-intro {
  max-width: 908px;
  margin: 0 auto 40px;
  text-align: center;
  color: #b8c5d9;
  font-size: 1.08rem;
  line-height: 1.94;
}
.rating-overview {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 44px;
  background:
    linear-gradient(180deg, rgba(18, 27, 41, 0.9) 0%, rgba(10, 16, 28, 0.94) 100%);
  border: 1px solid rgba(125, 146, 181, 0.18);
  border-radius: 28px;
  padding: 34px;
  margin-bottom: 44px;
  align-items: center;
  box-shadow: 0 24px 56px rgba(2, 8, 19, 0.5), inset 0 1px 0 rgba(233, 243, 255, 0.05);
  backdrop-filter: blur(18px);
}
.rating-score {
  text-align: center;
  border-right: 1px solid rgba(132, 155, 194, 0.16);
  padding-right: 34px;
}
.rating-num { font-size: 4rem; font-weight: 900; color: #ffd36a; line-height: 0.96; letter-spacing: -0.04em; }
.rating-stars { font-size: 1.42rem; color: #ffc856; margin: 10px 0; letter-spacing: 4px; }
.rating-total { font-size: 0.92rem; color: #8493aa; }
.rating-bars { display: flex; flex-direction: column; gap: 12px; }
.rating-bar-row {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: #bbc8db;
}
.rating-bar {
  height: 10px;
  background: rgba(31, 42, 60, 0.94);
  border-radius: 999px;
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.45);
}
.rating-fill {
  height: 100%;
  background: linear-gradient(90deg, #66e0ff 0%, #8e73ff 100%);
  border-radius: 999px;
  transition: width 0.9s cubic-bezier(0.19, 1, 0.22, 1);
  box-shadow: 0 0 18px rgba(102, 224, 255, 0.28);
}
.rating-percent { text-align: right; font-weight: 700; }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 26px;
}
.testimonial-card {
  background: linear-gradient(180deg, rgba(18, 28, 43, 0.88) 0%, rgba(9, 15, 27, 0.95) 100%);
  border: 1px solid rgba(126, 149, 185, 0.18);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 18px 46px rgba(3, 9, 21, 0.46), inset 0 1px 0 rgba(240, 246, 255, 0.05);
  transition: all 0.56s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(16px);
}
.testimonial-card:hover {
  transform: translateY(-7px);
  border-color: rgba(108, 219, 255, 0.32);
  box-shadow: 0 28px 62px rgba(2, 10, 25, 0.6), 0 0 26px rgba(142, 115, 255, 0.1);
}
.testimonial-header { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 22px;
  background: linear-gradient(135deg, #62ddff 0%, #8a67ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.34rem;
  color: #f8fbff;
  flex-shrink: 0;
  box-shadow: 0 10px 26px rgba(92, 203, 255, 0.26);
}
.testimonial-user { flex: 1; }
.testimonial-name { font-weight: 800; font-size: 1rem; color: #f3f8ff; }
.testimonial-region { font-size: 0.8rem; color: #8090a8; margin-top: 4px; }
.testimonial-rating { color: #ffd364; font-size: 1rem; letter-spacing: 2px; }
.testimonial-title { font-size: 1.08rem; color: #7ad7ff; margin: 0 0 10px; font-weight: 700; }
.testimonial-content { font-size: 0.96rem; line-height: 1.86; color: #b9c6db; margin: 0 0 18px; }
.testimonial-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px dashed rgba(135, 156, 191, 0.22);
}
.testimonial-tag {
  background: rgba(98, 221, 255, 0.12);
  color: #8edfff;
  padding: 5px 12px;
  border-radius: 18px;
  font-size: 0.74rem;
  font-weight: 700;
  border: 1px solid rgba(98, 221, 255, 0.18);
}
.testimonial-date { font-size: 0.8rem; color: #8090a8; }

/* =============================================
   第二十九部分：作者页面
   ============================================= */
.author-hero {
  background:
    radial-gradient(circle at 78% 16%, rgba(108, 88, 255, 0.22) 0%, transparent 30%),
    radial-gradient(circle at 14% 88%, rgba(84, 223, 255, 0.16) 0%, transparent 28%),
    linear-gradient(138deg, #07101b 0%, #0a1626 52%, #131120 100%);
  border-bottom: 1px solid rgba(129, 150, 183, 0.18);
  padding: 86px 0 68px;
  position: relative;
  overflow: hidden;
}
.author-hero::before {
  content: '';
  position: absolute;
  right: -100px;
  top: -120px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(96, 225, 255, 0.18) 0%, rgba(117, 88, 255, 0.08) 40%, transparent 72%);
  pointer-events: none;
}
.author-hero::after {
  content: '';
  position: absolute;
  left: -60px;
  bottom: -60px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(143, 103, 255, 0.14) 0%, transparent 72%);
  pointer-events: none;
}
.author-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 54px;
  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: 28px;
  border: 3px solid rgba(223, 239, 255, 0.14);
  box-shadow: 0 24px 54px rgba(2, 8, 19, 0.56), 0 0 0 1px rgba(137, 106, 255, 0.12);
}
.author-avatar-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #62e2ff 0%, #866bff 100%);
  color: #f8fbff;
  font-size: 4.8rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 28px;
  border: 3px solid rgba(224, 240, 255, 0.14);
  box-shadow: 0 24px 54px rgba(3, 9, 21, 0.56), 0 0 30px rgba(98, 226, 255, 0.18);
}
.author-verified-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #4df0d1 0%, #1fc2a4 100%);
  color: #04151b;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.18rem;
  font-weight: 900;
  border: 3px solid rgba(223, 239, 255, 0.14);
  box-shadow: 0 10px 28px rgba(34, 214, 181, 0.34);
}

/* 作者信息 */
.author-tag-row {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.author-job-tag {
  display: inline-block;
  background: rgba(91, 224, 255, 0.1);
  border: 1px solid rgba(91, 224, 255, 0.22);
  color: #85e0ff;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 7px 14px;
  border-radius: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.author-tag-verified {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(77, 240, 209, 0.1);
  border: 1px solid rgba(77, 240, 209, 0.22);
  color: #64efd3;
  font-size: 0.76rem;
  font-weight: 800;
  padding: 7px 14px;
  border-radius: 18px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.author-tag-verified::before {
  content: '✓';
  font-size: 0.88rem;
}
.author-name {
  font-size: clamp(2.1rem, 3.5vw, 3.2rem);
  font-weight: 900;
  color: #f5f9ff;
  margin-bottom: 16px;
  letter-spacing: -0.045em;
  line-height: 1.02;
}
.author-bio {
  font-size: 1.06rem;
  color: #b8c5da;
  line-height: 1.96;
  margin-bottom: 34px;
  max-width: 686px;
}

/* 作者统计 */
.author-stats {
  display: flex;
  gap: 46px;
  margin-bottom: 34px;
  padding: 24px 0;
  border-top: 1px solid rgba(102, 224, 255, 0.18);
  border-bottom: 1px solid rgba(102, 224, 255, 0.14);
  flex-wrap: wrap;
}
.author-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.author-stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: #78d8ff;
  line-height: 1;
}
.author-stat-label {
  font-size: 0.74rem;
  color: #8392aa;
  font-weight: 700;
  letter-spacing: 0.08em;
  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: 8px;
  padding: 10px 16px;
  background: rgba(16, 24, 37, 0.74);
  border: 1px solid rgba(127, 148, 180, 0.18);
  color: #bcc8db;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 20px;
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(16px);
}
.author-social-link:hover {
  border-color: rgba(104, 221, 255, 0.36);
  color: #7fdcff;
  background: rgba(78, 209, 255, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(2, 9, 21, 0.42), 0 0 22px rgba(104, 221, 255, 0.08);
}
.author-social-icon { font-size: 0.98rem; }
.author-social-email:hover {
  border-color: rgba(165, 126, 255, 0.34);
  color: #bb9bff;
  background: rgba(165, 126, 255, 0.1);
}
.author-articles { background: #060d17; }

/* =============================================
   第三十部分：APP页面
   ============================================= */
.app-hero {
  position: relative;
  padding: 102px 0 74px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 34%, rgba(99, 224, 255, 0.14) 0%, transparent 30%),
    radial-gradient(circle at 82% 16%, rgba(138, 100, 255, 0.16) 0%, transparent 28%),
    linear-gradient(140deg, #060e18 0%, #0a1525 52%, #12101e 100%);
  text-align: center;
}
.app-hero::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  width: 780px;
  height: 780px;
  background: radial-gradient(circle, rgba(98, 224, 255, 0.12) 0%, rgba(133, 99, 255, 0.08) 34%, transparent 66%);
  pointer-events: none;
}
.app-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(102, 223, 255, 0.1);
  border: 1px solid rgba(102, 223, 255, 0.2);
  color: #87defe;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 28px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(14px);
}
.app-hero h1 { margin-bottom: 22px; }
.app-hero h1 span { color: #7ad7ff; }
.app-hero-sub {
  color: #bac7db;
  font-size: 1.12rem;
  max-width: 660px;
  margin: 0 auto 46px;
  line-height: 1.92;
}

/* 下载按钮 */
.dl-btns {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 16px 34px;
  border-radius: 24px;
  font-weight: 800;
  font-size: 0.92rem;
  transition: all 0.52s cubic-bezier(0.22, 1, 0.36, 1);
  cursor: pointer;
  letter-spacing: 0.01em;
}
.dl-btn-android {
  background: linear-gradient(135deg, #63e1ff 0%, #8769ff 100%);
  color: #f8fbff;
  border: none;
  box-shadow: 0 18px 38px rgba(91, 176, 255, 0.24);
}
.dl-btn-android:hover {
  background: linear-gradient(135deg, #7ce7ff 0%, #997cff 100%);
  color: #ffffff;
  transform: translateY(-5px);
  box-shadow: 0 26px 48px rgba(74, 155, 255, 0.28), 0 0 24px rgba(135, 105, 255, 0.18);
}
.dl-btn-ios {
  background: rgba(15, 23, 36, 0.78);
  border: 1.5px solid rgba(128, 151, 187, 0.22);
  color: #d6e2f2;
  backdrop-filter: blur(16px);
}
.dl-btn-ios:hover {
  background: rgba(100, 224, 255, 0.08);
  border-color: rgba(100, 224, 255, 0.34);
  transform: translateY(-5px);
  color: #88ddff;
  box-shadow: 0 20px 40px rgba(2, 8, 20, 0.42);
}
.dl-btn-icon { font-size: 1.62rem; line-height: 1; }
.dl-btn-text-wrap { text-align: left; }
.dl-btn-sub { font-size: 0.68rem; font-weight: 600; opacity: 0.72; display: block; letter-spacing: 0.05em; text-transform: uppercase; }
.dl-btn-main { font-size: 1.04rem; font-weight: 900; display: block; }

/* Hero统计 */
.app-hero-stats {
  display: flex;
  justify-content: center;
  gap: 56px;
  padding-top: 38px;
  border-top: 1px solid rgba(100, 224, 255, 0.14);
  flex-wrap: wrap;
}
.app-hero-stat { text-align: center; }
.app-hero-stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: #77d8ff;
  display: block;
}
.app-hero-stat-label {
  font-size: 0.74rem;
  color: #8391a9;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* 模型展示 */
.app-mockup-section {
  padding: 82px 0;
  background: linear-gradient(180deg, #0a121d 0%, #0d1623 100%);
  border-top: 1px solid rgba(128, 150, 183, 0.14);
  border-bottom: 1px solid rgba(128, 150, 183, 0.12);
}
.app-mockup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.app-mockup-text h2 { margin-bottom: 22px; }
.app-mockup-text h2 span { color: #7ddaff; }
.app-mockup-text p {
  color: #b7c5d9;
  margin-bottom: 30px;
  line-height: 1.94;
  font-size: 1.02rem;
}
.app-features-list { display: flex; flex-direction: column; gap: 18px; }

.app-feature-row { display: flex; align-items: flex-start; gap: 18px; }
.app-feature-check {
  width: 28px;
  height: 28px;
  background: linear-gradient(145deg, rgba(106, 92, 255, 0.2) 0%, rgba(39, 217, 255, 0.12) 100%);
  border: 1px solid rgba(106, 92, 255, 0.34);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  color: #7ee7ff;
  flex-shrink: 0;
  margin-top: 4px;
  box-shadow: 0 10px 24px rgba(7, 12, 24, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}
.app-feature-row p { font-size: 0.98rem; color: #9fb0d1; margin: 0; line-height: 1.9; }
.app-feature-row strong { color: #eff5ff; font-weight: 800; }

/* 手机预览 */
.phone-visual { display: flex; justify-content: center; gap: 32px; }
.phone-frame {
  width: 176px;
  background: linear-gradient(180deg, #162033 0%, #0c111c 100%);
  border: 1px solid rgba(148, 167, 255, 0.18);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 26px 60px rgba(2, 6, 18, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.04);
  position: relative;
}
.phone-frame.large { width: 214px; }
.phone-notch {
  height: 30px;
  background: linear-gradient(180deg, #202c43 0%, #11192a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.phone-notch::after {
  content: '';
  width: 68px;
  height: 10px;
  background: linear-gradient(90deg, #4f5f7f 0%, #7384aa 100%);
  border-radius: 10px;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.08);
}
.phone-screen {
  background: linear-gradient(160deg, #0f1728 0%, #122038 52%, #132a4a 100%);
  padding: 16px;
  min-height: 320px;
}
.phone-screen-header {
  background: linear-gradient(135deg, #6b63ff 0%, #2fd3ff 100%);
  border-radius: 22px;
  height: 34px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  box-shadow: 0 14px 26px rgba(51, 110, 255, 0.24);
}
.phone-screen-header span {
  font-size: 0.58rem;
  font-weight: 900;
  color: #f7fbff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.phone-screen-card {
  background: rgba(20, 28, 46, 0.7);
  border: 1px solid rgba(136, 154, 255, 0.18);
  border-radius: 20px;
  height: 62px;
  margin-bottom: 11px;
  padding: 10px;
  display: flex;
  gap: 9px;
  align-items: center;
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 22px rgba(3, 7, 20, 0.34);
}
.phone-screen-img {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #253456 0%, #3d5f8d 52%, #59c7ff 100%);
  border-radius: 16px;
  flex-shrink: 0;
}
.phone-screen-lines { flex: 1; }
.phone-screen-line { height: 5px; border-radius: 999px; margin-bottom: 6px; }
.phone-screen-line.gold { background: linear-gradient(90deg, rgba(90, 221, 255, 0.88) 0%, rgba(122, 95, 255, 0.72) 100%); width: 74%; }
.phone-screen-line.gray { background: #51617f; width: 54%; }
.phone-bottom {
  height: 24px;
  background: linear-gradient(180deg, #1a253b 0%, #0f1625 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.phone-home-bar { width: 54px; height: 4px; background: linear-gradient(90deg, #64789f 0%, #90a5d2 100%); border-radius: 999px; }

/* 二维码 */
.qr-section { padding: 88px 0; background: radial-gradient(circle at top, #13233c 0%, #0a0e17 58%, #080b12 100%); }
.qr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.qr-card {
  background: linear-gradient(180deg, rgba(20, 28, 46, 0.78) 0%, rgba(11, 16, 27, 0.82) 100%);
  border: 1px solid rgba(130, 151, 255, 0.2);
  border-radius: 28px;
  padding: 38px 24px 30px;
  text-align: center;
  box-shadow: 0 18px 44px rgba(2, 7, 19, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all 0.52s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(14px);
}
.qr-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #7a5fff 0%, #2de2ff 52%, #8bffd8 100%);
  opacity: 0;
  transition: opacity 0.52s cubic-bezier(0.22, 1, 0.36, 1);
}
.qr-card:hover::before { opacity: 1; }
.qr-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(4, 10, 25, 0.55), 0 0 0 1px rgba(123, 145, 255, 0.18);
  border-color: rgba(88, 225, 255, 0.36);
}
.qr-icon { font-size: 2.9rem; margin-bottom: 16px; color: #6be7ff; text-shadow: 0 0 18px rgba(64, 220, 255, 0.26); }
.qr-card h4 { color: #f2f7ff; font-size: 1.16rem; margin-bottom: 11px; font-weight: 800; letter-spacing: 0.02em; }
.qr-card p { font-size: 0.9rem; color: #92a5c8; margin-bottom: 22px; line-height: 1.85; }
.qr-box {
  width: 126px;
  height: 126px;
  background: linear-gradient(180deg, rgba(15, 22, 37, 0.94) 0%, rgba(25, 35, 58, 0.82) 100%);
  border: 1px solid rgba(126, 144, 255, 0.2);
  border-radius: 24px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.qr-btn {
  display: inline-block;
  padding: 10px 26px;
  background: linear-gradient(135deg, #6c63ff 0%, #31dfff 100%);
  color: #f9fcff;
  font-weight: 800;
  font-size: 0.82rem;
  border-radius: 20px;
  transition: all 0.48s cubic-bezier(0.22, 1, 0.36, 1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 14px 30px rgba(44, 118, 255, 0.28);
}
.qr-btn:hover {
  background: linear-gradient(135deg, #8d6bff 0%, #42f0ff 100%);
  color: #ffffff;
  transform: translateY(-3px) scale(1.01);
}

/* 安装步骤 */
.install-section {
  padding: 90px 0;
  background: linear-gradient(180deg, #0e1422 0%, #111b2f 100%);
  border-top: 1px solid rgba(121, 140, 255, 0.16);
}
.install-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 52px;
}
.install-tab {
  padding: 12px 30px;
  border-radius: 24px;
  font-size: 0.86rem;
  font-weight: 800;
  border: 1px solid rgba(123, 139, 210, 0.2);
  color: #8e9fbe;
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  background: rgba(17, 25, 40, 0.72);
  backdrop-filter: blur(12px);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.install-tab.active,
.install-tab:hover {
  background: linear-gradient(135deg, rgba(105, 95, 255, 0.9) 0%, rgba(45, 226, 255, 0.85) 100%);
  color: #f6fbff;
  border-color: rgba(111, 228, 255, 0.3);
  box-shadow: 0 14px 30px rgba(42, 104, 255, 0.24);
}
.install-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.install-step { text-align: center; position: relative; }
.install-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -15px;
  top: 28px;
  color: #5d7092;
  font-size: 1.34rem;
}
.step-num {
  width: 68px;
  height: 68px;
  background: linear-gradient(145deg, rgba(103, 96, 255, 0.18) 0%, rgba(46, 223, 255, 0.12) 100%);
  border: 1px solid rgba(102, 224, 255, 0.28);
  border-radius: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.56rem;
  font-weight: 900;
  color: #7ce8ff;
  margin: 0 auto 18px;
  box-shadow: 0 16px 34px rgba(5, 10, 23, 0.38);
  backdrop-filter: blur(12px);
}
.install-step h4 { font-size: 1.02rem; margin-bottom: 9px; color: #eef5ff; font-weight: 800; }
.install-step p { font-size: 0.88rem; color: #8fa2c4; line-height: 1.82; }

.app-faq { padding: 94px 0 72px; background: radial-gradient(circle at top left, #12213a 0%, #0b0f18 62%, #080a11 100%); }

/* =============================================
   第三十一部分：认证页面（登录/注册）
   ============================================= */
.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));
}

/* 左侧品牌 */
.auth-left {
  background:
    radial-gradient(circle at 18% 24%, rgba(79, 113, 255, 0.26) 0%, transparent 34%),
    radial-gradient(circle at 82% 78%, rgba(32, 221, 255, 0.18) 0%, transparent 32%),
    linear-gradient(145deg, #0a1020 0%, #0d1729 48%, #10233d 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 82px 72px 96px;
}
.auth-left::before {
  content: '';
  position: absolute;
  left: -110px; top: -110px;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(105, 95, 255, 0.18) 0%, transparent 66%);
  pointer-events: none;
}
.auth-left::after {
  content: '';
  position: absolute;
  right: -70px; bottom: -80px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(44, 223, 255, 0.16) 0%, transparent 67%);
  pointer-events: none;
}
.auth-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(224, 234, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(224, 234, 255, 0.045) 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: 18px; margin-bottom: 56px; }
.auth-brand-logo {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #7a5fff 0%, #2de1ff 100%);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.65rem;
  font-weight: 900;
  color: #ffffff;
  box-shadow: 0 18px 36px rgba(43, 110, 255, 0.3);
}
.auth-brand-name {
  font-size: 1.56rem;
  font-weight: 900;
  color: #eef6ff;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.auth-headline {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  font-weight: 900;
  color: #f7fbff;
  line-height: 0.98;
  margin-bottom: 22px;
  letter-spacing: -0.05em;
  max-width: 11ch;
}
.auth-headline span { color: #71e8ff; }
.auth-sub {
  font-size: 1.06rem;
  color: #a7b6d4;
  line-height: 1.95;
  margin-bottom: 56px;
  max-width: 500px;
}

/* 特性列表 */
.auth-features { display: flex; flex-direction: column; gap: 22px; }
.auth-feature {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #aebddb;
  font-size: 1rem;
}
.auth-feature-dot {
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, #7d63ff 0%, #43e5ff 100%);
  border-radius: 999px;
  flex-shrink: 0;
  box-shadow: 0 0 0 6px rgba(91, 108, 255, 0.12), 0 0 24px rgba(67, 229, 255, 0.24);
}

/* 权益列表 */
.auth-benefits { display: flex; flex-direction: column; gap: 20px; }
.auth-benefit { display: flex; align-items: flex-start; gap: 16px; }
.auth-benefit-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(145deg, rgba(108, 95, 255, 0.18) 0%, rgba(47, 223, 255, 0.12) 100%);
  border: 1px solid rgba(105, 224, 255, 0.24);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  color: #78e9ff;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 26px rgba(4, 10, 24, 0.34);
}
.auth-benefit-text h5 {
  font-size: 0.94rem;
  color: #edf6ff;
  margin-bottom: 6px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.auth-benefit-text p {
  font-size: 0.86rem;
  color: #8ea0c3;
  margin: 0;
  line-height: 1.88;
}

/* 左面板底部装饰 */
.auth-left-deco { position: absolute; bottom: 38px; left: 72px; right: 72px; z-index: 2; }
.auth-deco-bar { height: 3px; background: linear-gradient(90deg, #6c61ff 0%, rgba(48, 225, 255, 0.7) 46%, transparent 100%); margin-bottom: 14px; border-radius: 999px; }
.auth-deco-text { font-size: 0.76rem; color: #8194ba; letter-spacing: 0.24em; text-transform: uppercase; }

/* 右侧表单 */
.auth-right {
  background:
    radial-gradient(circle at top right, rgba(72, 102, 255, 0.12) 0%, transparent 24%),
    linear-gradient(180deg, #0c111b 0%, #111827 100%);
  border-left: 1px solid rgba(122, 138, 201, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 46px;
  overflow-y: auto;
}
.auth-form-wrap { width: 100%; max-width: 370px; }
.auth-form-wrap-wide { max-width: 410px; }
.auth-form-header { margin-bottom: 42px; }
.auth-form-header h2 {
  font-size: 2.04rem;
  font-weight: 900;
  margin-bottom: 8px;
  color: #f4f8ff;
  letter-spacing: -0.03em;
}
.auth-form-header p {
  font-size: 0.96rem;
  color: #8f9fbe;
  line-height: 1.86;
}

/* 表单字段 */
.auth-form { display: flex; flex-direction: column; gap: 24px; }
.auth-field { display: flex; flex-direction: column; gap: 9px; }
.auth-label {
  font-size: 0.8rem;
  font-weight: 800;
  color: #b2c1dc;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.auth-input-wrap { position: relative; }
.auth-input {
  width: 100%;
  background: rgba(19, 27, 43, 0.76);
  border: 1px solid rgba(126, 141, 209, 0.18);
  color: #eef5ff;
  padding: 16px 48px 16px 16px;
  border-radius: 22px;
  font-size: 1rem;
  transition: border-color 0.5s cubic-bezier(0.22, 1, 0.36, 1), background 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1), transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  font-family: var(--font);
  backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}
.auth-input:focus {
  border-color: rgba(76, 224, 255, 0.58);
  background: rgba(24, 34, 54, 0.92);
  box-shadow: 0 0 0 4px rgba(78, 226, 255, 0.12), 0 16px 34px rgba(6, 12, 26, 0.3);
}
.auth-input.valid  { border-color: #34d399; }
.auth-input.invalid { border-color: #ff6b8a; }
.auth-input::placeholder { color: #7082a6; }
.auth-input-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  color: #6f81a7;
  pointer-events: none;
}
.auth-input-toggle {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #7a8cb0;
  font-size: 0.82rem;
  padding: 0;
  transition: color 0.46s cubic-bezier(0.22, 1, 0.36, 1);
}
.auth-input-toggle:hover { color: #6fe9ff; }
.auth-field-hint  { font-size: 0.76rem; color: #7486aa; }
.auth-field-error { font-size: 0.76rem; color: #ff7b97; display: none; }

/* 记住/忘记 */
.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: 0.84rem;
  color: #8a9aba;
}
.auth-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #5be1ff;
  cursor: pointer;
}
.auth-forgot {
  font-size: 0.82rem;
  color: #71e8ff;
  transition: opacity 0.48s cubic-bezier(0.22, 1, 0.36, 1);
}
.auth-forgot:hover { opacity: 0.72; }

/* 提交按钮 */
.auth-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #6a61ff 0%, #2de2ff 100%);
  color: #fbfdff;
  font-weight: 800;
  font-size: 1rem;
  border-radius: 24px;
  border: none;
  cursor: pointer;
  transition: all 0.52s cubic-bezier(0.22, 1, 0.36, 1);
  font-family: var(--font);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 20px 40px rgba(38, 111, 255, 0.28);
}
.auth-submit:hover {
  background: linear-gradient(135deg, #8770ff 0%, #4cecff 100%);
  transform: translateY(-3px);
  box-shadow: 0 28px 46px rgba(33, 115, 255, 0.34);
}
.auth-submit:active { transform: translateY(0); }

/* 分隔线 */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #7688ab;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.auth-divider::before,
.auth-divider::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, transparent 0%, rgba(119, 136, 186, 0.4) 100%); }

/* 社交登录 */
.auth-social { display: flex; gap: 12px; }
.auth-social-btn {
  flex: 1;
  padding: 13px;
  background: rgba(18, 27, 43, 0.78);
  border: 1px solid rgba(123, 141, 208, 0.18);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #a8b8d4;
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  font-family: var(--font);
  backdrop-filter: blur(10px);
}
.auth-social-btn:hover {
  border-color: rgba(97, 227, 255, 0.34);
  color: #ecf7ff;
  background: linear-gradient(135deg, rgba(91, 96, 255, 0.16) 0%, rgba(45, 224, 255, 0.14) 100%);
  transform: translateY(-3px);
}

/* 切换链接 */
.auth-switch {
  text-align: center;
  font-size: 0.84rem;
  color: #8193b7;
}

.auth-switch a {
  color: #6ce8ff;
  font-weight: 800;
}
.auth-switch a:hover { text-decoration: underline; }

/* 通知 */
.auth-notice { padding: 12px 16px; border-radius: 22px; font-size: 0.84rem; display: none; line-height: 1.78; backdrop-filter: blur(10px); }
.auth-notice.error  { background: rgba(255, 107, 138, 0.08); border: 1px solid rgba(255, 107, 138, 0.24); color: #ff8fa6; display: block; }
.auth-notice.success { background: rgba(52, 211, 153, 0.08); border: 1px solid rgba(52, 211, 153, 0.24); color: #78e8ba; display: block; }

/* =============================================
   第三十二部分：注册专属
   ============================================= */
.auth-main-signup { grid-template-columns: 1fr 540px; }

/* 进度步骤 */
.reg-steps { display: flex; align-items: center; margin-bottom: 36px; }
.reg-step { flex: 1; text-align: center; position: relative; }
.reg-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 15px; right: -50%;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, rgba(92, 107, 146, 0.42) 0%, rgba(92, 107, 146, 0.18) 100%);
  z-index: 0;
}
.reg-step.done:not(:last-child)::after,
.reg-step.active:not(:last-child)::after { background: linear-gradient(90deg, #6f61ff 0%, #35e2ff 100%); }
.reg-step-circle {
  width: 34px;
  height: 34px;
  border-radius: 16px;
  background: rgba(19, 28, 45, 0.84);
  border: 1px solid rgba(123, 139, 206, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.76rem;
  font-weight: 900;
  color: #8698bc;
  margin: 0 auto 8px;
  position: relative;
  z-index: 1;
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(10px);
}
.reg-step.active .reg-step-circle { background: linear-gradient(135deg, #6b61ff 0%, #2ce1ff 100%); border-color: rgba(105, 224, 255, 0.28); color: #ffffff; box-shadow: 0 14px 28px rgba(36, 112, 255, 0.28); }
.reg-step.done .reg-step-circle { background: linear-gradient(145deg, rgba(104, 95, 255, 0.18) 0%, rgba(45, 226, 255, 0.12) 100%); border-color: rgba(91, 225, 255, 0.3); color: #77e8ff; }
.reg-step-label { font-size: 0.7rem; color: #8192b4; letter-spacing: 0.05em; text-transform: uppercase; }

.reg-step.active .reg-step-label { color: #7dd3fc; font-weight: 800; letter-spacing: 0.04em; }

.phone-row { display: flex; gap: 14px; }
.phone-prefix {
  width: 96px;
  flex-shrink: 0;
  background: linear-gradient(145deg, rgba(18, 28, 46, 0.92), rgba(8, 14, 24, 0.86));
  border: 1px solid rgba(118, 154, 255, 0.2);
  color: #d7e6ff;
  padding: 16px 14px;
  border-radius: 24px;
  font-size: 0.95rem;
  font-family: var(--font);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(4, 10, 22, 0.42), inset 0 1px 0 rgba(189, 217, 255, 0.08);
  transition: border-color 0.52s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.52s cubic-bezier(0.22, 1, 0.36, 1), transform 0.52s cubic-bezier(0.22, 1, 0.36, 1), background 0.52s cubic-bezier(0.22, 1, 0.36, 1);
}
.phone-prefix:focus {
  border-color: rgba(113, 216, 255, 0.72);
  box-shadow: 0 0 0 4px rgba(67, 202, 255, 0.14), 0 18px 36px rgba(6, 15, 31, 0.5);
  transform: translateY(-1px);
}
.phone-row .auth-input-wrap { flex: 1; }

.verify-row { display: flex; gap: 16px; }
.verify-row .auth-input-wrap { flex: 1; }
.verify-btn {
  white-space: nowrap;
  padding: 0 20px;
  background: linear-gradient(135deg, rgba(14, 24, 40, 0.94), rgba(22, 35, 58, 0.82));
  border: 1px solid rgba(110, 144, 245, 0.24);
  border-radius: 26px;
  font-size: 0.83rem;
  font-weight: 800;
  color: #7dd3fc;
  cursor: pointer;
  transition: all 0.48s cubic-bezier(0.19, 1, 0.22, 1);
  font-family: var(--font);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 12px 28px rgba(5, 12, 26, 0.34), inset 0 1px 0 rgba(177, 205, 255, 0.06);
}
.verify-btn:hover:not(:disabled) {
  border-color: rgba(99, 229, 255, 0.68);
  background: linear-gradient(135deg, rgba(28, 49, 84, 0.96), rgba(20, 85, 110, 0.9));
  color: #f3fbff;
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 18px 36px rgba(7, 20, 42, 0.48), 0 0 24px rgba(70, 196, 255, 0.12);
}
.verify-btn:disabled { opacity: 0.36; cursor: not-allowed; color: #6d7891; }

.pwd-strength { margin-top: 11px; }
.pwd-strength-bar { display: flex; gap: 7px; margin-bottom: 8px; }
.pwd-strength-seg {
  flex: 1;
  height: 5px;
  background: linear-gradient(90deg, rgba(45, 55, 74, 0.95), rgba(25, 31, 45, 0.95));
  border-radius: 999px;
  transition: background 0.46s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.46s cubic-bezier(0.22, 1, 0.36, 1);
}
.pwd-strength-label {
  font-size: 0.74rem;
  color: #8f9ab3;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.auth-agree {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 0.84rem;
  color: #94a3bf;
  line-height: 1.9;
}
.auth-agree input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #58d8ff;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 3px;
  filter: drop-shadow(0 0 10px rgba(88, 216, 255, 0.16));
}
.auth-agree a { color: #8bafff; transition: color 0.44s cubic-bezier(0.22, 1, 0.36, 1), text-shadow 0.44s cubic-bezier(0.22, 1, 0.36, 1); }
.auth-agree a:hover { text-decoration: none; color: #dff6ff; text-shadow: 0 0 18px rgba(101, 218, 255, 0.28); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards; }

@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 rgba(92, 221, 255, 0.26); }
  50%       { box-shadow: 0 0 0 14px rgba(92, 221, 255, 0); }
}
.pulse { animation: pulse-gold 2.4s infinite; }

@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: 40px; }
  .footer-brand    { grid-column: 1 / -1; }
  .footer-contact-inline { flex-direction: row; flex-wrap: wrap; gap: 12px 24px; }
  .grid-main-sidebar { grid-template-columns: 1fr; }
  .sidebar         { display: grid; grid-template-columns: 1fr 1fr; }
  .about-grid      { grid-template-columns: 1fr; gap: 52px; }
  .about-img-wrap  { max-width: 560px; }
  .author-hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .author-avatar-wrap { margin: 0 auto; }
  .author-bio { margin-left: auto; margin-right: auto; }
  .author-stats { justify-content: center; gap: 40px; }
  .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 - 60px); }
}

@media (max-width: 768px) {
  :root {
    --header-h: 60px;
    --section-py: 60px;
    --gap: 22px;
  }
  .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: 520px; }
  .hero-stats { flex-wrap: wrap; gap: 26px; }
  .post-hero { height: 272px; }
  .post-hero-content { padding: 26px; }
  .sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; padding: 44px 0 34px; }
  .footer-brand { grid-column: auto; text-align: center; }
  .footer-brand .site-logo { justify-content: center; }
  .footer-brand-text { max-width: 420px; 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: 16px; }
  .footer-col h5::after { content: ''; display: block; width: 36px; height: 3px; background: linear-gradient(90deg, #64e7ff, #8d92ff); margin: 9px auto 0; border-radius: 999px; }
  .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: 30px 22px; }
  .about-img-badge { width: 88px; height: 88px; font-size: 1.04rem; bottom: -16px; right: -16px; }
  .app-mockup-grid { grid-template-columns: 1fr; gap: 42px; }
  .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: 30px; }
  .phone-visual { gap: 18px; }
  .phone-frame { width: 146px; }
  .phone-frame.large { width: 170px; }
  .auth-right { padding: 38px 26px; }
  .post-nav-grid { grid-template-columns: 1fr; }
  .post-nav-next { text-align: left; }
  .author-hero { padding: 54px 0 46px; }
  .author-avatar-wrap { width: 166px; height: 166px; }
  .author-avatar-placeholder { font-size: 3.7rem; }
  .author-verified-badge { width: 38px; height: 38px; font-size: 1.08rem; }
  .author-stats { gap: 26px; padding: 20px 0; }
  .author-stat-num { font-size: 1.58rem; }
  .author-stat-label { font-size: 0.76rem; }
  .author-social-link { padding: 8px 13px; font-size: 0.79rem; }
  .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: 24px; padding: 28px; }
  .rating-score { border-right: none; border-bottom: 1px solid rgba(112, 137, 186, 0.22); padding: 0 0 24px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .milestone-timeline::before { left: 32px; }
  .milestone-item,
  .milestone-item.right { width: 100%; left: 0; padding-left: 72px; padding-right: 22px; text-align: left; }
  .milestone-item.left .milestone-year,
  .milestone-item.right .milestone-year { left: 0; right: auto; width: 62px; height: 62px; font-size: 0.98rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  h1 { font-size: 1.92rem; }
  .app-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .app-card { padding: 22px 14px; }
  .error-code { font-size: 5.8rem; }
  .search-form-large { flex-direction: column; }
  .install-steps { grid-template-columns: 1fr; }
  .install-step::after { display: none !important; }
  .cta-banner { padding: 56px 0; }
  .cta-btns { flex-direction: column; align-items: stretch; max-width: 304px; margin: 0 auto; }
  .partners-grid { grid-template-columns: 1fr; }
}