/* =========================================
   Mzone.AI · 智慧社区 · 全球智联
   主题色灵感：PPT 第一张封面
   - 主色：#A7EAFA / #A3FCDC（青蓝荧光）
   - 辅色：金色渐变（标题强调）
   - 背景：深空蓝 #050b1f / #0a1530
   ========================================= */

* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg-0: #050b1f;
  --bg-1: #0a1530;
  --bg-2: #0e1c44;
  --line: rgba(167, 234, 250, 0.18);
  --line-2: rgba(255, 255, 255, 0.08);
  --cyan: #A7EAFA;
  --cyan-2: #A3FCDC;
  --cyan-deep: #2bd5ff;
  --text: #e7f3ff;
  --text-dim: #a9b9d1;
  --gold-1: #f5d27a;
  --gold-2: #e5b25a;
  --gold-3: #fff1c2;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  --grad-gold: linear-gradient(135deg, #f5d27a 0%, #fff1c2 35%, #e5b25a 100%);
  --grad-cyan: linear-gradient(135deg, #A3FCDC 0%, #A7EAFA 100%);
  --grad-bg: linear-gradient(180deg, #050b1f 0%, #0a1530 60%, #0e1c44 100%);
  --radius: 14px;
  --container: 1200px;
  --header-h: 72px;
}

html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg-0);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
img[data-ai] { transition: opacity .5s ease; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--cyan); }
ul { list-style: none; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--cyan);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(167, 234, 250, 0.06);
  margin-bottom: 18px;
}
.grad-gold {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

/* ========== HEADER ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(5, 11, 31, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-2);
  transition: background .3s ease, border-color .3s ease;
}
.site-header.is-scrolled {
  background: rgba(5, 11, 31, 0.92);
  border-bottom-color: var(--line);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; letter-spacing: 0.5px;
}
.brand-logo {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
}
.brand-logo img { width: 100%; height: 100%; object-fit: contain; }
.brand-text strong {
  display: block; font-size: 16px; line-height: 1;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.brand-text em {
  display: block; font-style: normal; font-size: 11px; color: var(--text-dim);
  letter-spacing: 1px; margin-top: 2px;
}
.nav-main {
  display: flex; gap: 6px;
  margin-left: 32px;   /* 紧贴 logo 左侧 */
  margin-right: auto;  /* 把右侧工具栏推到最右 */
}
.nav-main a {
  padding: 8px 12px; font-size: 14px;
  color: var(--text-dim); border-radius: 8px;
  transition: all .2s ease;
  position: relative;
}
.nav-main a:hover,
.nav-main a.is-active {
  color: var(--text);
  background: rgba(167, 234, 250, 0.08);
}
.nav-main a.is-active::after {
  content: ''; position: absolute;
  left: 12px; right: 12px; bottom: 2px;
  height: 2px;
  background: var(--grad-cyan);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--cyan);
}
.nav-tools { display: flex; align-items: center; gap: 10px; }
.lang-switch { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  line-height: 1;
  background: rgba(167, 234, 250, 0.08);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  font-size: 13px; cursor: pointer;
  transition: all .2s ease;
}
.lang-btn:hover { background: rgba(167, 234, 250, 0.18); }
.lang-globe {
  display: block;
  width: 20px;
  height: 20px;
  object-fit: contain;
  object-position: center;
  flex-shrink: 0;
  align-self: center;
}
.lang-caret { font-size: 10px; opacity: .8; }
.lang-menu {
  position: absolute; top: 110%; right: 0;
  background: rgba(10, 21, 48, 0.96);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px;
  min-width: 140px;
  box-shadow: var(--shadow);
  opacity: 0; visibility: hidden;
  transform: translateY(-6px);
  transition: all .2s ease;
}
.lang-switch.is-open .lang-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.lang-menu a {
  display: block; padding: 8px 12px;
  font-size: 13px; color: var(--text-dim);
  border-radius: 6px;
}
.lang-menu a:hover,
.lang-menu a.is-active {
  background: rgba(167, 234, 250, 0.12);
  color: var(--cyan);
}
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: rgba(167, 234, 250, 0.08);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 4px;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: all .3s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--header-h) + 60px) 0 80px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-short {
  min-height: 70vh;
  padding: calc(var(--header-h) + 40px) 0 60px;
}
.hero-cover {
  min-height: 100vh;
}
.closing-cover {
  min-height: 90vh;
  border-radius: 0;
}

/* ===== 首页第一部分 PPT slide 1 复刻 ===== */
.hero-slide1 {
  min-height: 100vh;
  padding: calc(var(--header-h) + 40px) 0 60px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
}
.hero-slide1-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 40px;
  width: 100%;
}
.slide1-orb {
  position: relative;
  width: 100%;
  max-width: 880px;
  display: flex;
  flex-direction: column;
  align-items: center;
  filter: drop-shadow(0 12px 32px rgba(43, 213, 255, 0.3));
}
/* 已移除 .slide1-orb .orb-glow 样式 */
.slide1-orb .orb-glow { display: none; }
.slide1-orb img {
  position: relative; z-index: 1;
  width: 100%; height: auto;
  display: block;
}
/* 3 个 tag-big：与 image 中 3 个图形（左/中/右）正下方对齐 */
.slide1-orb-tags {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0 0;
  gap: 16px;
}
.slide1-orb-tags .tag-big {
  flex: 0 0 auto;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}
.slide1-bottom {
  text-align: center;
  max-width: 720px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: -1;
  overflow: hidden;
  background-color: #050b1f;
}
.hero-bg img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.65) saturate(1.05);
}
.hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(43, 213, 255, 0.25), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(163, 252, 220, 0.18), transparent 55%),
    linear-gradient(180deg, rgba(5, 11, 31, 0.55) 0%, rgba(5, 11, 31, 0.85) 100%);
}
.hero-grid {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(167, 234, 250, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 234, 250, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  animation: gridMove 30s linear infinite;
}
@keyframes gridMove {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 60px 60px, 60px 60px; }
}
.hero-inner {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px;
  align-items: center;
  position: relative; z-index: 1;
  width: 100%;
}
.hero-inner-center {
  display: block;
  text-align: center;
}
.hero-text { max-width: 620px; }
.hero-text-center { max-width: 820px; margin: 0 auto; text-align: center; }
.hero-title-md { font-size: clamp(40px, 6vw, 64px); }
.hero-cta-center { justify-content: center; }
.hero-bottom-tags {
  position: absolute;
  left: 0; right: 0; bottom: 30px;
  z-index: 1;
}
.hero-tags-spread {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}
.tag-big {
  justify-content: center;
  align-items: center;
  padding: 4px 14px;
  font-size: 13px;
  background: rgba(167, 234, 250, 0.08);
  border: 1px solid var(--cyan);
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(43, 213, 255, 0.15);
  text-align: center;
  width: fit-content;
  white-space: nowrap;
}
.tag-big em {
  font-style: normal;
  font-weight: 600;
  letter-spacing: 2px;
  display: inline-block;
  text-align: center;
}
.tag-big i { display: none; }
.hero-title {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 800;
  line-height: 1.05;
  margin: 14px 0 12px;
  letter-spacing: 2px;
  filter: drop-shadow(0 0 30px rgba(245, 210, 122, 0.35));
}
.hero-subtitle {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 500;
  color: var(--cyan);
  margin-bottom: 18px;
  letter-spacing: 4px;
  text-shadow: 0 0 20px rgba(167, 234, 250, 0.5);
}
.hero-desc {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 820px;
  margin: 0 auto 28px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  font-size: 14px; font-weight: 600;
  border-radius: 10px;
  cursor: pointer; border: 1px solid transparent;
  transition: all .25s ease;
  letter-spacing: 0.5px;
}
.btn-primary {
  background: var(--grad-cyan);
  color: #04223a;
  box-shadow: 0 8px 24px rgba(43, 213, 255, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(43, 213, 255, 0.55);
  color: #04223a;
}
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover {
  background: rgba(167, 234, 250, 0.08);
  border-color: var(--cyan);
  color: var(--cyan);
}
.btn-lg { padding: 16px 32px; font-size: 16px; }
.hero-tags { display: flex; gap: 12px; flex-wrap: wrap; }
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  font-size: 13px;
  background: rgba(167, 234, 250, 0.06);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
}
.tag i {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}
.hero-orb {
  position: relative; aspect-ratio: 1.1/1;
  display: flex; align-items: center; justify-content: center;
}
.orb-glow {
  position: absolute; inset: 10%;
  background: radial-gradient(circle, rgba(43, 213, 255, 0.4) 0%, transparent 60%);
  filter: blur(40px);
  animation: orbPulse 4s ease-in-out infinite;
}
@keyframes orbPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}
.hero-art {
  position: relative; z-index: 1;
  max-width: 100%; height: auto;
  filter: drop-shadow(0 0 40px rgba(43, 213, 255, 0.5));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.scroll-cue {
  position: absolute; left: 50%; bottom: 30px;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--line);
  border-radius: 14px;
  display: flex; justify-content: center;
  padding-top: 8px;
}
.scroll-cue span {
  width: 4px; height: 8px; background: var(--cyan); border-radius: 2px;
  animation: cueMove 1.6s ease-in-out infinite;
}
@keyframes cueMove {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ========== SECTION COMMON ========== */
.section {
  padding: 100px 0;
  position: relative;
  background: var(--bg-0);
}
.section + .section { background: var(--bg-1); }
.section + .section + .section { background: var(--bg-0); }
.section + .section + .section + .section { background: var(--bg-1); }
.section + .section + .section + .section + .section { background: var(--bg-0); }
.section + .section + .section + .section + .section + .section { background: var(--bg-1); }
.section + .section + .section + .section + .section + .section + .section { background: var(--bg-0); }
.section + .section + .section + .section + .section + .section + .section + .section { background: var(--bg-1); }
.section + .section + .section + .section + .section + .section + .section + .section + .section { background: var(--bg-0); }
.section + .section + .section + .section + .section + .section + .section + .section + .section + .section { background: var(--bg-1); }
.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}
.section-head.light .section-title { color: #fff; }
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
  color: var(--text);
}
.section-sub {
  font-size: 15px;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto;
}

/* ========== 时代痛点 ========== */
.pain-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 30px;
  align-items: stretch;
  margin-bottom: 50px;
}
.pain-card {
  background: linear-gradient(180deg, rgba(167, 234, 250, 0.04), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all .3s ease;
}
.pain-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow: 0 18px 40px rgba(43, 213, 255, 0.2);
}
.pain-num {
  font-size: 64px; font-weight: 800;
  background: var(--grad-cyan);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 12px;
}
.pain-num span { font-size: 28px; font-weight: 500; }
.pain-card h3 { font-size: 20px; margin-bottom: 10px; color: var(--text); }
.pain-card p { font-size: 14px; color: var(--text-dim); }
.pain-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  min-height: 220px;
  background: var(--bg-2);
}
.pain-img img { width: 100%; height: 100%; object-fit: cover; }
.solution-box {
  background: linear-gradient(135deg, rgba(43, 213, 255, 0.12), rgba(163, 252, 220, 0.08));
  border: 1px solid var(--cyan);
  border-radius: var(--radius);
  padding: 32px 36px;
  text-align: center;
  box-shadow: 0 0 30px rgba(43, 213, 255, 0.15);
}
.solution-tag {
  display: inline-block; font-size: 13px; letter-spacing: 3px;
  color: var(--cyan); margin-bottom: 10px;
}
.solution-box p { font-size: 15px; color: var(--text); max-width: 800px; margin: 0 auto; }

/* ========== 三网融合 ========== */
.section-net {
  background: var(--bg-1);
  overflow: hidden;
}
.net-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
  opacity: 0.18;
  overflow: hidden;
  background-color: #050b1f;
}
.net-bg img {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; object-fit: cover; filter: saturate(0.6);
}
.net-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, var(--bg-1) 0%, rgba(10, 21, 48, 0.6) 50%, var(--bg-1) 100%);
}
.section-net .container { position: relative; z-index: 1; }
.net-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-bottom: 36px;
}
.net-card {
  background: linear-gradient(180deg, rgba(167, 234, 250, 0.08), rgba(10, 21, 48, 0.7));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.net-card::before {
  content: ''; position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(167, 234, 250, 0.12), transparent);
  transition: left .6s ease;
}
.net-card:hover::before { left: 100%; }
.net-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow: 0 18px 40px rgba(43, 213, 255, 0.25);
}
.net-icon {
  line-height: 1;
  margin-top: 10px;
  margin-bottom: 18px;
  filter: drop-shadow(0 0 12px rgba(167, 234, 250, 0.6));
}
.net-icon img {
  display: inline-block;
  width: 60px;
  object-fit: contain;
}
.net-icon img.wide {
  width: 70px;
}
.net-card h3 {
  font-size: 18px; margin-bottom: 10px; color: var(--cyan);
}
.net-card p { font-size: 14px; color: var(--text-dim); }
.net-tags { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.pill {
  padding: 8px 20px;
  background: rgba(167, 234, 250, 0.1);
  border: 1px solid var(--cyan);
  border-radius: 999px;
  font-size: 14px; color: var(--cyan);
  box-shadow: 0 0 16px rgba(43, 213, 255, 0.2);
}

/* ========== 商业闭环 ========== */
.biz-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.biz-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .3s ease;
}
.biz-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
}
.biz-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-2);
}
.biz-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.biz-card:hover .biz-img img { transform: scale(1.06); }
.biz-card h3 {
  font-size: 20px; margin: 22px 22px 10px;
  color: var(--cyan);
}
.biz-card p {
  font-size: 14px; color: var(--text-dim);
  padding: 0 22px 24px;
}

/* ========== DePIN ========== */
.section-depin { background: var(--bg-1); }
.depin-flow {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 24px; align-items: stretch;
}
.depin-step {
  background: linear-gradient(180deg, rgba(43, 213, 255, 0.08), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 22px;
  text-align: center;
  position: relative;
}
.depin-step .step-num {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  background: var(--grad-cyan);
  color: #04223a;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px;
  box-shadow: 0 0 20px rgba(43, 213, 255, 0.5);
}
.depin-step h3 { font-size: 18px; margin-bottom: 10px; color: var(--text); }
.depin-step p { font-size: 14px; color: var(--text-dim); }

/* ========== RWA 2.0 ========== */
.section-rwa { background: var(--bg-0); }
.rwa-layout {
  display: flex;
  flex-direction: column;
  gap: 50px;
  align-items: stretch;
}
/* 第一部分：标题/eyebrow/描述，居中显示在顶部 */
.rwa-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.rwa-head .eyebrow { justify-content: center; }
.rwa-head .section-title { text-align: center; }
.rwa-head .section-sub { text-align: center; margin: 14px 0 0; }
/* 第二部分 + 第三部分：图片在左，3 卡片在右 */
.rwa-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: stretch;
}
.rwa-img {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-2);
  aspect-ratio: 4/3;
}
.rwa-img img { width: 100%; height: 100%; object-fit: cover; }
.rwa-right { display: flex; flex-direction: column; gap: 16px; }
.rwa-card {
  display: flex; align-items: center; gap: 18px;
  background: linear-gradient(180deg, rgba(167, 234, 250, 0.06), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: all .3s ease;
}
.rwa-card:hover {
  transform: translateX(6px);
  border-color: var(--cyan);
}
.rwa-tag {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: var(--grad-cyan);
  color: #04223a;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800;
  box-shadow: 0 0 16px rgba(43, 213, 255, 0.4);
}
.rwa-card h3 { font-size: 17px; margin-bottom: 4px; }
.rwa-card p { font-size: 13px; color: var(--text-dim); }
.rwa-note {
  font-size: 13px; color: var(--text-dim);
  padding: 16px 22px;
  background: rgba(167, 234, 250, 0.04);
  border-left: 2px solid var(--cyan);
  border-radius: 8px;
  line-height: 1.7;
}

/* ========== AI-SIM ========== */
.section-sim { background: var(--bg-1); }
.sim-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center;
}
.sim-visual {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-2);
  aspect-ratio: 4/3;
  position: relative;
}
.sim-visual::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(43, 213, 255, 0.1), transparent 60%);
  pointer-events: none;
}
.sim-visual img { width: 100%; height: 100%; object-fit: cover; }
.sim-list { margin: 18px 0 14px; }
.sim-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--text);
}
.sim-list li i {
  width: 10px; height: 10px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan);
  flex-shrink: 0;
}
.sim-desc { font-size: 14px; color: var(--text-dim); margin-bottom: 18px; }
.sim-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.sim-tags span {
  padding: 6px 12px;
  background: rgba(167, 234, 250, 0.08);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 13px;
  color: var(--cyan);
}

/* ========== ALLIANCE ========== */
.section-alliance { background: var(--bg-0); }
.alliance-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  margin-bottom: 50px;
}
.all-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 30px 22px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all .3s ease;
}
.all-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-cyan);
  opacity: 0; transition: opacity .3s ease;
}
.all-card:hover::before { opacity: 1; }
.all-card:hover { transform: translateY(-6px); border-color: var(--cyan); }
.all-num {
  font-size: 36px; font-weight: 800;
  background: var(--grad-cyan);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}
.all-card h3 { font-size: 18px; margin-bottom: 10px; color: var(--text); }
.all-card p { font-size: 13px; color: var(--text-dim); }
.all-stat {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, rgba(43, 213, 255, 0.1), rgba(163, 252, 220, 0.06));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.stat-num {
  font-size: 72px; font-weight: 800;
  line-height: 1; margin-bottom: 8px;
}
.stat-label {
  font-size: 14px; color: var(--cyan);
  letter-spacing: 3px;
}

/* ========== AI-Life ========== */
.section-life { background: var(--bg-1); }
.life-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.life-card {
  background: linear-gradient(180deg, rgba(167, 234, 250, 0.04), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  transition: all .3s ease;
}
.life-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow: 0 18px 40px rgba(43, 213, 255, 0.18);
}
.life-emoji { line-height: 1; margin-top: 10px; margin-bottom: 14px; }
.life-emoji img { display: inline-block; width: 60px; object-fit: contain; }
.life-emoji img.wide { width: 54px; }
.life-card h3 { font-size: 17px; margin-bottom: 10px; color: var(--text); }
.life-card p { font-size: 14px; color: var(--text-dim); }
.life-wide { grid-column: span 1; }
.life-grid .life-wide { grid-column: 1 / -1; max-width: 100%; }

/* ========== 众筹合伙人 ========== */
.section-partner {
  position: relative; overflow: hidden;
  background: var(--bg-0);
}
.partner-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
  opacity: 0.18;
  overflow: hidden;
  background-color: #050b1f;
}
.partner-bg img {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; object-fit: cover;
}
.partner-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, var(--bg-0) 0%, rgba(5, 11, 31, 0.6) 50%, var(--bg-0) 100%);
}
.section-partner .container { position: relative; z-index: 1; }
.partner-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.partner-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(10, 21, 48, 0.7));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all .3s ease;
}
.partner-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow: 0 18px 40px rgba(43, 213, 255, 0.2);
}
.partner-icon { line-height: 1; margin-top: 10px; margin-bottom: 16px; }
.partner-icon img { display: inline-block; width: 60px; object-fit: contain; }
.partner-card h3 { font-size: 18px; margin-bottom: 10px; color: var(--cyan); }
.partner-card p { font-size: 14px; color: var(--text-dim); }

/* ========== 战略路径 ========== */
.section-road { background: var(--bg-1); }
.road-timeline {
  position: relative;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 30px;
}
.road-line {
  position: absolute;
  top: 28px; left: 12%; right: 12%; height: 2px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan-2) 50%, var(--cyan) 100%);
  z-index: 0;
}
.road-item {
  text-align: center;
  position: relative; z-index: 1;
  padding: 0 8px;
}
.road-dot {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  background: var(--grad-cyan);
  color: #04223a;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px;
  box-shadow: 0 0 20px rgba(43, 213, 255, 0.5);
  border: 4px solid var(--bg-1);
}
.road-item h3 { font-size: 18px; margin-bottom: 8px; color: var(--cyan); }
.road-item p { font-size: 13px; color: var(--text-dim); }

/* ========== 市场规模 ========== */
.section-market {
  position: relative; overflow: hidden;
  background: var(--bg-0);
}
.market-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
  opacity: 0.18;
  overflow: hidden;
  background-color: #050b1f;
}
.market-bg img {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; object-fit: cover;
}
.market-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, var(--bg-0) 0%, rgba(5, 11, 31, 0.6) 50%, var(--bg-0) 100%);
}
.section-market .container { position: relative; z-index: 1; }
.market-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  margin-bottom: 40px;
}
.market-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  text-align: center;
  transition: all .3s ease;
}
.market-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow: 0 18px 40px rgba(43, 213, 255, 0.2);
}
.market-label {
  font-size: 13px; letter-spacing: 2px;
  color: var(--cyan); margin-bottom: 12px;
}
.market-value {
  font-size: 52px; font-weight: 800;
  line-height: 1; margin-bottom: 14px;
}
.market-card p { font-size: 13px; color: var(--text-dim); }
.market-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.ms-item {
  text-align: center;
  padding: 28px 16px;
  background: rgba(167, 234, 250, 0.06);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.ms-num {
  font-size: 44px; font-weight: 800;
  background: var(--grad-cyan);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
  line-height: 1;
}
.ms-lbl { font-size: 13px; color: var(--text-dim); }

/* ========== AI 核心价值 (PPT slide 10) ========== */
.ai-value-flow {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 30px; align-items: stretch;
  margin-bottom: 40px;
}
.ai-flow-item {
  background: linear-gradient(180deg, rgba(43, 213, 255, 0.08), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: all .3s ease;
}
.ai-flow-item:hover { transform: translateY(-4px); border-color: var(--cyan); }
.ai-flow-icon { line-height: 1; margin-top: 10px; margin-bottom: 12px; filter: drop-shadow(0 0 10px rgba(167, 234, 250, 0.5)); }
.ai-flow-icon img { display: inline-block; width: 46px; object-fit: contain; }
.ai-flow-item h3 { font-size: 17px; margin-bottom: 8px; color: var(--cyan); }
.ai-flow-item p { font-size: 13px; color: var(--text-dim); }
.ai-flow-arrow {
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: var(--cyan); text-shadow: 0 0 10px var(--cyan);
}
.ai-compare {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
  margin-bottom: 40px;
}
.ai-compare-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 26px;
}
.ai-compare-pain { border-left: 4px solid #ff6b6b; }
.ai-compare-fix { border-left: 4px solid var(--cyan); }
.ai-compare-tag {
  display: inline-block;
  font-size: 12px; letter-spacing: 2px;
  padding: 4px 12px; border-radius: 999px;
  margin-bottom: 10px;
}
.ai-compare-pain .ai-compare-tag { background: rgba(255, 107, 107, 0.12); color: #ff8e8e; }
.ai-compare-fix .ai-compare-tag { background: rgba(43, 213, 255, 0.12); color: var(--cyan); }
.ai-compare-card p { font-size: 14px; color: var(--text-dim); }
.ai-feature-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
}
.ai-feature {
  background: linear-gradient(180deg, rgba(167, 234, 250, 0.06), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: all .3s ease;
}
.ai-feature:hover { transform: translateY(-4px); border-color: var(--cyan); }
.ai-feature-num {
  display: inline-block;
  font-size: 13px; font-weight: 700;
  color: var(--cyan);
  background: rgba(43, 213, 255, 0.12);
  padding: 4px 10px; border-radius: 6px;
  margin-bottom: 10px;
}
.ai-feature h3 { font-size: 16px; margin-bottom: 8px; color: var(--text); }
.ai-feature p { font-size: 13px; color: var(--text-dim); }

/* ========== 创新应用 (PPT slide 11) ========== */
.innov-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px;
}
.innov-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 32px 26px;
  text-align: center;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.innov-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-cyan);
  transform: scaleX(0); transform-origin: left; transition: transform .4s ease;
}
.innov-card:hover::before { transform: scaleX(1); }
.innov-card:hover { transform: translateY(-6px); border-color: var(--cyan); }
.innov-icon {
  line-height: 1;
  margin-top: 10px;
  margin-bottom: 14px;
  filter: drop-shadow(0 0 12px rgba(167, 234, 250, 0.5));
}
.innov-icon img {
  display: inline-block;
  width: 60px;
  object-fit: contain;
}
.innov-icon img.wide {
  width: 70px;
}
.innov-card h3 { font-size: 20px; margin-bottom: 10px; color: var(--cyan); }
.innov-card p { font-size: 14px; color: var(--text-dim); }

/* ========== 投资机制 (PPT slide 13) ========== */
.invest-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  margin-bottom: 30px;
}
.invest-card {
  background: linear-gradient(180deg, rgba(167, 234, 250, 0.04), rgba(10, 21, 48, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  position: relative;
  transition: all .3s ease;
}
.invest-card:hover { transform: translateY(-6px); border-color: var(--cyan); box-shadow: 0 18px 40px rgba(43, 213, 255, 0.18); }
.invest-step {
  width: 48px; height: 48px;
  margin: 0 auto 14px;
  background: var(--grad-cyan);
  color: #04223a;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  box-shadow: 0 0 20px rgba(43, 213, 255, 0.5);
}
.invest-card h3 { font-size: 17px; margin-bottom: 10px; color: var(--text); }
.invest-card p { font-size: 13px; color: var(--text-dim); }
.invest-benefits {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  padding: 24px 20px;
  background: rgba(167, 234, 250, 0.06);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
}
.invest-benefits .ben {
  padding: 10px 24px;
  background: var(--grad-cyan);
  color: #04223a;
  font-weight: 700; font-size: 15px;
  border-radius: 999px;
  box-shadow: 0 0 16px rgba(43, 213, 255, 0.3);
}
.invest-tagline {
  text-align: center;
  font-size: 16px;
  color: var(--cyan);
  letter-spacing: 2px;
  font-weight: 600;
  padding: 14px;
  border-top: 1px dashed var(--line);
}

/* ========== 收尾 (PPT slide 16) ========== */
.closing {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(180deg, rgba(43, 213, 255, 0.12), transparent);
  border-radius: var(--radius);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 40px rgba(43, 213, 255, 0.2);
  margin: 0 20px;
}
.closing-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.3;
  margin: 14px 0 20px;
  background: var(--grad-gold);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 24px rgba(245, 210, 122, 0.4));
}
.closing-desc {
  font-size: 16px; color: var(--text-dim);
  max-width: 720px; margin: 0 auto 28px;
}

/* ========== 首页底部 orb 区块（PPT slide 1 右图放大） ========== */
.section-bottom-orb {
  background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
}
.bottom-orb-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center;
}
.bottom-orb-text { max-width: 560px; }
.bottom-orb-text .eyebrow { margin-bottom: 16px; }
.bottom-orb-text .section-title { text-align: left; font-size: clamp(28px, 3.6vw, 42px); }
.bottom-orb-text .section-sub { text-align: left; margin: 0 0 26px; }
.bottom-orb-art {
  position: relative;
  aspect-ratio: 1/1;
  display: flex; align-items: center; justify-content: center;
}
.bottom-orb-art .orb-glow {
  position: absolute; inset: 10%;
  background: radial-gradient(circle, rgba(43, 213, 255, 0.5) 0%, transparent 60%);
  filter: blur(50px);
  animation: orbPulse 4s ease-in-out infinite;
}
.bottom-orb-art img {
  position: relative; z-index: 1;
  max-width: 100%; height: auto;
  filter: drop-shadow(0 0 50px rgba(43, 213, 255, 0.6));
  animation: float 6s ease-in-out infinite;
}
.bottom-orb-tags {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

/* ========== Contact ===== */
.section-contact {
  background:
    radial-gradient(ellipse at center, rgba(43, 213, 255, 0.15), transparent 60%),
    var(--bg-1);
  text-align: center;
  padding: 110px 0 130px;
}
.contact-inner { max-width: 760px; margin: 0 auto; }
.section-contact .section-title {
  font-size: clamp(28px, 4.5vw, 44px);
  margin-bottom: 16px;
}
.section-contact .section-sub { margin-bottom: 30px; }

/* ========== Footer ========== */
.site-footer {
  background: #02061a;
  border-top: 1px solid var(--line-2);
  padding: 40px 0 30px;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-brand {
  display: flex; align-items: center; gap: 10px;
}
.footer-brand .brand-logo { width: 32px; height: 32px; }
.footer-brand strong {
  font-size: 16px;
  background: var(--grad-gold);
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.footer-copy {
  color: var(--text-dim);
  font-size: 13px;
}

/* ========== Back to top ========== */
.back-top {
  position: fixed; right: 24px; bottom: 24px;
  width: 44px; height: 44px;
  background: var(--grad-cyan);
  color: #04223a;
  border: none; border-radius: 50%;
  font-size: 20px; font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(43, 213, 255, 0.4);
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all .3s ease;
  z-index: 50;
}
.back-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-4px); }

/* ========== 动画 ========== */
.fade-in { opacity: 0; transform: translateY(30px); transition: all .8s ease; }
.fade-in.is-visible { opacity: 1; transform: translateY(0); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .nav-main { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: rgba(5, 11, 31, 0.98); flex-direction: column; padding: 16px; border-bottom: 1px solid var(--line-2); }
  .nav-main.is-open { display: flex; }
  .nav-main a { padding: 12px 16px; }
  .nav-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-cta, .hero-tags { justify-content: center; }
  .hero-orb { max-width: 480px; margin: 0 auto; }
  .bottom-orb-layout { grid-template-columns: 1fr; }
  .bottom-orb-text .section-title,
  .bottom-orb-text .section-sub { text-align: center; }
  .hero-tags-spread { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: 1fr; }
  .net-grid, .biz-grid, .partner-grid, .market-grid, .market-stats, .life-grid, .innov-grid { grid-template-columns: repeat(2, 1fr); }
  .alliance-grid, .ai-feature-grid, .invest-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-compare { grid-template-columns: 1fr; }
  .depin-flow, .ai-value-flow { grid-template-columns: 1fr; }
  .ai-flow-arrow { transform: rotate(90deg); }
  .rwa-body, .sim-layout { grid-template-columns: 1fr; }
  .road-timeline { grid-template-columns: repeat(2, 1fr); }
  .road-line { display: none; }
  /* 首页第一部分响应式 */
  .hero-slide1-inner { gap: 28px; }
  .slide1-orb { max-width: 720px; }
  .slide1-orb-tags { padding: 14px 2% 0; }
  .slide1-orb-tags .tag-big { font-size: 14px; padding: 10px 16px; letter-spacing: 1px; }
}
@media (max-width: 640px) {
  .section { padding: 70px 0; }
  .container { padding: 0 16px; }
  .nav-tools { gap: 6px; }
  .lang-btn { padding: 6px 10px; font-size: 12px; }
  .brand-text em { display: none; }
  .net-grid, .biz-grid, .partner-grid, .market-grid, .market-stats, .life-grid, .alliance-grid, .road-timeline, .innov-grid, .ai-feature-grid, .invest-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 56px; }
  .pain-num { font-size: 50px; }
  .stat-num { font-size: 56px; }
  .ms-num { font-size: 32px; }
  .market-value { font-size: 40px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .all-stat { padding: 30px 16px; }
  .solution-box { padding: 24px 18px; }
  .closing { margin: 0; padding: 60px 20px; }
  /* 首页第一部分移动端 */
  .hero-slide1 { min-height: auto; padding-top: calc(var(--header-h) + 24px); padding-bottom: 40px; }
  .hero-slide1-inner { gap: 20px; }
  .slide1-orb { max-width: 100%; }
  .slide1-cta-sub { font-size: 13px; }
}

/* ========== 浏览器不兼容提示（兼容 IE7+ 旧内核） ========== */
.browser-warning {
  display: none;
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 2147483647;
  background: #0a1530;
  color: #e6f4ff;
  font-family: "Microsoft YaHei", "SimSun", sans-serif;
  overflow: auto;
  text-align: center;
}
.bw-inner {
  max-width: 600px;
  margin: 0 auto;
  padding: 60px 20px;
  text-align: left;
}
.bw-icon {
  width: 80px;
  height: 80px;
  line-height: 80px;
  text-align: center;
  margin: 0 auto 24px;
  border: 3px solid #ff6b6b;
  border-radius: 50%;
  font-size: 48px;
  color: #ff6b6b;
  font-weight: 700;
  font-family: Georgia, "Times New Roman", serif;
  background: #1a1020;
}
.bw-title {
  font-size: 30px;
  font-weight: 700;
  color: #ff8e8e;
  margin: 0 0 24px;
  text-align: center;
  letter-spacing: 1px;
}
.bw-desc {
  font-size: 15px;
  line-height: 1.8;
  color: #cfdce8;
  margin: 0 0 14px;
  text-align: center;
}
.bw-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}
.bw-list li {
  margin: 8px 0;
}
.bw-list a {
  display: block;
  padding: 12px 16px;
  background: #14254a;
  border: 1px solid #2bd5ff;
  border-radius: 10px;
  color: #a7eafa;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
}
.bw-list a:hover {
  background: #1e3a6a;
  color: #fff;
}
.bw-tip {
  margin: 24px 0 0;
  font-size: 14px;
  color: #cfdce8;
  padding: 12px 16px;
  background: #0a1a3a;
  border: 1px dashed #2bd5ff;
  border-radius: 8px;
  text-align: center;
}
.bw-tip b {
  color: #2bd5ff;
  font-weight: 700;
}

/* 触发显示：JS 检测到不兼容浏览器 */
html.incompatible-browser .browser-warning { display: block !important; }
html.incompatible-browser body > * { display: none !important; }
html.incompatible-browser .browser-warning { display: block !important; }