/* ========== AI PROJECTS SECTION ========== */
.ai-projects-section {
  padding: 0.555556rem 0 0;
}
.ai-section-hd {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}
.ai-eyebrow {
  font-size: 0.076389rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #7239ff;
  margin-bottom: 0.041667rem;
}
.ai-title {
  font-size: 0.25rem;
  font-weight: 700;
  color: #263764;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.ai-more {
  font-size: 0.111111rem;
  font-weight: 500;
  color: #263764 !important;
  letter-spacing: 0.1em;
  padding: 0.083333rem 0.277778rem;
  border-radius: 0.138889rem;
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  transition: all 0.22s ease;
}
.ai-more:hover {
  color: #7239ff !important;
  box-shadow: -0.011302rem -0.011302rem 0.033906rem #ffffff,
    0.016953rem 0.016953rem 0.033906rem rgba(174, 174, 192, 0.4);
}
.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.277778rem;
}
.ai-card {
  border-radius: 0.222222rem;
  padding: 0.388889rem 0.333333rem;
  display: flex;
  flex-direction: column;
  gap: 0.097222rem;
  transition: transform 0.3s cubic-bezier(0.22,1,0.36,1), box-shadow 0.3s cubic-bezier(0.22,1,0.36,1), border-color 0.3s ease;
  text-decoration: none !important;
  position: relative;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(38,55,100,0.07);
  box-shadow: -0.016667rem -0.016667rem 0.055556rem #ffffff,
    0.027778rem 0.027778rem 0.055556rem rgba(174,174,192,0.3);
}
/* Top gradient accent line */
.ai-card::before {
  content: '';
  position: absolute;
  top: 0; left: 12%; right: 12%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-accent, #7239ff), transparent);
  border-radius: 99px;
  opacity: 0.8;
  transition: left 0.35s ease, right 0.35s ease, opacity 0.35s ease;
}
.ai-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(114,57,255,0.03) 0%, transparent 70%);
  pointer-events: none;
}
.ai-card:hover {
  transform: translateY(-0.055556rem);
  border-color: rgba(38,55,100,0.12);
  box-shadow:
    -0.022222rem -0.022222rem 0.066667rem #ffffff,
    0.033333rem 0.033333rem 0.088889rem rgba(174,174,192,0.45),
    0 0 0 1.5px var(--card-accent, rgba(114,57,255,0.15));
}
.ai-card:hover::before {
  left: 0; right: 0;
  opacity: 1;
}
.ai-card-no {
  font-size: 0.069444rem;
  font-weight: 800;
  letter-spacing: 0.35em;
  color: var(--card-accent, #7239ff);
  opacity: 0.55;
  font-family: 'SF Mono', 'Fira Code', monospace;
}
.ai-card-sub {
  display: block;
  font-size: 0.097222rem;
  font-weight: 400;
  color: var(--card-accent, #7239ff);
  letter-spacing: 0.03em;
  margin-top: 0.027778rem;
  line-height: 1.5;
  opacity: 0.85;
}
.ai-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.041667rem;
  margin-top: 0.027778rem;
}
.ai-card-tags span {
  font-size: 0.076389rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--card-accent, #7239ff);
  background: rgba(114,57,255,0.07);
  border: 1px solid rgba(114,57,255,0.15);
  padding: 0.027778rem 0.097222rem;
  border-radius: 2rem;
}
.ai-card-title {
  font-size: 0.194444rem;
  font-weight: 700;
  color: #1a1d36;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-top: 0.055556rem;
}
.ai-card-desc {
  font-size: 0.097222rem;
  line-height: 1.85;
  color: rgba(38,55,100,0.55);
  letter-spacing: 0.03em;
  flex: 1;
}
.ai-card-footer {
  margin-top: 0.111111rem;
  font-size: 0.083333rem;
  font-weight: 600;
  color: var(--card-accent, #7239ff);
  letter-spacing: 0.06em;
  opacity: 0.85;
  transition: opacity 0.2s;
}
.ai-card:hover .ai-card-footer { opacity: 1; }
/* AI card meta strip: role + result */
.ai-card-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 8px 0 4px;
}
.ai-card-meta-role {
  font-size: 0.069444rem;
  color: rgba(38,55,100,0.45);
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(38,55,100,0.1);
  background: rgba(38,55,100,0.04);
  letter-spacing: 0.05em;
}
.ai-card-meta-result {
  font-size: 0.069444rem;
  color: rgba(16,185,129,0.9);
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(16,185,129,0.2);
  background: rgba(16,185,129,0.06);
  letter-spacing: 0.05em;
}
/* Archive section note */
.archive-note {
  font-size: 11px;
  color: rgba(120, 130, 150, 0.65);
  padding: 4px 0 2px;
  letter-spacing: 0.1em;
  margin-top: -4px;
}
/* AI 能力 pill 高亮 */
.topnavbar-ai {
  color: #7239ff !important;
  background: linear-gradient(315deg, rgba(114,57,255,0.08) 0%, rgba(255,255,255,0) 100%), #f0f1f5 !important;
  background-blend-mode: soft-light, normal !important;
}
/* ========== HERO SECTION ========== */
.hero {
  position: relative;
  margin: 0.194444rem 0.555556rem 0;
  border-radius: 0.277778rem;
  min-height: 3.5rem;
  overflow: hidden;
  background: linear-gradient(140deg, #06091c 0%, #0e1336 45%, #100820 100%);
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(0.555556rem);
}
.hero-orb-1 {
  width: 3rem;
  height: 3rem;
  top: -0.694444rem;
  left: -0.416667rem;
  background: radial-gradient(circle, rgba(114,57,255,0.55) 0%, transparent 65%);
  animation: heroOrb1 14s ease-in-out infinite;
}
.hero-orb-2 {
  width: 2.5rem;
  height: 2.5rem;
  bottom: -0.416667rem;
  right: 0.277778rem;
  background: radial-gradient(circle, rgba(6,182,212,0.45) 0%, transparent 65%);
  animation: heroOrb2 18s ease-in-out infinite;
}
.hero-orb-3 {
  width: 1.5rem;
  height: 1.5rem;
  top: 30%;
  right: 2rem;
  background: radial-gradient(circle, rgba(168,85,247,0.3) 0%, transparent 65%);
  animation: heroOrb1 22s ease-in-out infinite reverse;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 0.555556rem 0.555556rem;
  -webkit-mask-image: radial-gradient(ellipse 85% 75% at 50% 50%, black 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 85% 75% at 50% 50%, black 40%, transparent 100%);
}

@keyframes heroOrb1 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(0.25rem,-0.2rem) scale(1.06); }
  66%      { transform: translate(-0.15rem,0.15rem) scale(0.96); }
}
@keyframes heroOrb2 {
  0%,100% { transform: translate(0,0) scale(1); }
  40%     { transform: translate(-0.2rem,0.15rem) scale(1.1); }
  70%     { transform: translate(0.15rem,-0.1rem) scale(0.94); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.388889rem 0.833333rem;
  gap: 0.416667rem;
}

/* ---- Left ---- */
.hero-left {
  flex: 1;
  min-width: 0;
}
.hero-eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.041667rem;
  margin-bottom: 0.138889rem;
}
.hero-eyebrow span {
  font-size: 0.083333rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.48);
  padding: 0.027778rem 0.138889rem;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 2rem;
}
.hero-eyebrow-ai {
  color: #67e8f9 !important;
  border-color: rgba(6,182,212,0.35) !important;
  background: rgba(6,182,212,0.08);
}
.hero-eyebrow-tag {
  color: rgba(255,255,255,0.45) !important;
  border-color: rgba(255,255,255,0.12) !important;
}
.hero-subtitle {
  font-size: 0.236111rem;
  font-weight: 700;
  color: rgba(255,255,255,0.88);
  letter-spacing: 0.02em;
  margin-bottom: 0.097222rem;
  line-height: 1.3;
}
.hero-desc {
  font-size: 0.097222rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.48);
  max-width: 3.8rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.166667rem;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.041667rem;
  margin-bottom: 0.194444rem;
}
.hero-tags span {
  font-size: 0.083333rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.62);
  padding: 0.041667rem 0.138889rem;
  border-radius: 2rem;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  transition: all 0.22s ease;
  cursor: default;
}
.hero-tags span:hover {
  background: rgba(255,255,255,0.13);
  color: rgba(255,255,255,0.88);
  border-color: rgba(255,255,255,0.22);
}
.hero-ctas {
  display: flex;
  gap: 0.138889rem;
  align-items: center;
  flex-wrap: wrap;
}
.hero-btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 0.111111rem 0.305556rem;
  border-radius: 2rem;
  background: linear-gradient(135deg, #7239ff 0%, #a855f7 100%);
  color: #fff !important;
  font-size: 0.111111rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  transition: all 0.25s ease;
  box-shadow: 0 0.027778rem 0.138889rem rgba(114,57,255,0.48);
  text-decoration: none;
}
.hero-btn-primary:hover {
  transform: translateY(-0.013889rem);
  box-shadow: 0 0.055556rem 0.222222rem rgba(114,57,255,0.62);
  background: linear-gradient(135deg, #6020ee 0%, #9333ea 100%);
  color: #fff !important;
}
.hero-btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.111111rem 0.277778rem;
  border-radius: 2rem;
  border: 1px solid rgba(255,255,255,0.22);
  color: rgba(255,255,255,0.72) !important;
  font-size: 0.111111rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  transition: all 0.25s ease;
  text-decoration: none;
}
.hero-btn-ghost:hover {
  border-color: rgba(255,255,255,0.48);
  color: #fff !important;
  background: rgba(255,255,255,0.07);
  transform: translateY(-0.013889rem);
}

/* ---- Right ---- */
.hero-right {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.083333rem;
  min-width: 2.5rem;
}
.hero-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.069444rem;
}
.hero-stat-card {
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.138889rem;
  padding: 0.166667rem 0.166667rem 0.138889rem;
  display: flex;
  flex-direction: column;
  gap: 0.027778rem;
  backdrop-filter: blur(16px);
  transition: all 0.25s ease;
}
.hero-stat-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-0.027778rem);
}
.stat-card-ai {
  background: linear-gradient(135deg, rgba(6,182,212,0.1), rgba(168,85,247,0.1)) !important;
  border-color: rgba(6,182,212,0.28) !important;
}
.stat-num {
  font-size: 0.305556rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.083333rem;
  font-weight: 500;
  color: rgba(255,255,255,0.48);
  letter-spacing: 0.1em;
  margin-top: 0.027778rem;
}
.hero-current-card {
  display: flex;
  align-items: center;
  gap: 0.111111rem;
  padding: 0.138889rem 0.166667rem;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.138889rem;
  backdrop-filter: blur(16px);
  transition: all 0.25s ease;
}
.hero-current-card:hover {
  background: rgba(255,255,255,0.09);
}
.hero-current-dot {
  width: 0.055556rem;
  height: 0.055556rem;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0.055556rem #4ade80, 0 0 0.138889rem rgba(74,222,128,0.55);
  flex-shrink: 0;
  animation: heroPulse 2.2s ease-in-out infinite;
}
@keyframes heroPulse {
  0%,100% { box-shadow: 0 0 0.055556rem #4ade80, 0 0 0.111111rem rgba(74,222,128,0.5); }
  50%     { box-shadow: 0 0 0.083333rem #4ade80, 0 0 0.222222rem rgba(74,222,128,0.75); }
}
.hero-current-info {
  min-width: 0;
}
.hero-current-role {
  font-size: 0.111111rem;
  font-weight: 600;
  color: rgba(255,255,255,0.82);
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hero-current-meta {
  font-size: 0.083333rem;
  font-weight: 400;
  color: rgba(255,255,255,0.42);
  letter-spacing: 0.08em;
  margin-top: 0.027778rem;
}
.container {
  position: relative;
  /* margin-top: 0.5625rem; */
  padding: 0rem 0.694444rem;
}
.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 0.833333rem;
}
.content-hd {
  position: relative;
}
.content-hd p {
  text-align: center;
  font-weight: 600;
  font-size: 0.833333rem;
  line-height: 0.833333rem;
  color: #ffffff;
}
.content-hd div {
  position: absolute;
  top: 51%;
  left: 50%;
  height: 0.402778rem;
  margin-top: -0.201389rem;
  margin-left: -0.902778rem;
  padding: 0rem 0.472222rem;
  border-radius: 0.208333rem;
  font-weight: 600;
  font-size: 0.166667rem;
  line-height: 0.402778rem;
  letter-spacing: 0.3em;
  color: #263764;
}
.content-hd div:hover {
  box-shadow: -0.011302rem -0.011302rem 0.033906rem #ffffff,
    0.016953rem 0.016953rem 0.033906rem rgba(174, 174, 192, 0.4);
  text-shadow: 0.006944rem 0.006944rem 0.006944rem #ffffff;
}
.content-bd {
  margin-top: -0.152778rem;
  z-index: 10;
}

/* 探索项目内容 */
.explore {
  width: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-column-gap: 0.277778rem;
  grid-row-gap: 0.416667rem;
  justify-items: center;
}
.explore a {
  width: 4.166667rem;
  height: 2.944444rem;
  overflow: hidden;
  border-radius: 0.055556rem;
  position: relative;
}
.explore a div {
  transition: all 0.5s ease-in-out;
}
.explore-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  font-size: 0.277778rem;
  font-weight: 500;
  color: white;
  filter: drop-shadow(0px 4px 20px rgba(0, 0, 0, 0.4));
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}
.explore a img {
  height: 2.944444rem;
  border-radius: 0.055556rem;
  transform: translate(-50%, 0);
  position: absolute;
  left: 2.083333rem;
}
.explore a div:hover {
  transform: scale(1.05);
}
.explore a:hover .explore-text {
  opacity: 1;
}

/* 设计规范内容 */
.norm a {
  display: grid;
  grid-template-columns: 42.86% 57.14%;
  border-radius: 0.208333rem;
  overflow: hidden;
  margin-bottom: 0.555556rem;
}
.norm a:last-child {
  margin-bottom: 0;
}
.norm a:hover .norm-right img {
  transform: scale(1.05);
}
.norm-left {
  position: relative;
  padding: 0.347222rem 0.416667rem;
}
.norm-left div {
  display: flex;
  justify-content: space-between;
  padding: 0px 0px 0.069444rem;
}
.norm-left div p {
  font-size: 0.083333rem;
  font-weight: 600;
  line-height: 0.138889rem;
  letter-spacing: 0.013889rem;
  color: #6b7b8a;
}
.norm-left div p:nth-child(2) {
  text-align: right;
  color: rgba(107, 123, 138, 0.8);
  /* font-weight: 500; */
}
.norm-left h3 {
  font-size: 0.305556rem;
  line-height: 140%;
  color: #384853;
  font-weight: 400;
}
.norm-left p {
  font-size: 0.111111rem;
  font-weight: 500;
  line-height: 0.166667rem;
  letter-spacing: 0.1em;
  text-align: justify;
  color: #6b7b8a;
  margin-top: 0.138889rem;
}
.norm-left ul {
  display: flex;
  position: absolute;
  left: 0.416667rem;
  bottom: 0.347222rem;
}
.norm-left ul li {
  margin-right: 0.138889rem;
  font-size: 0.083333rem;
  font-weight: 600;
  line-height: 0.138889rem;
  letter-spacing: 0.010417rem;
  color: #7239ff;
}
.norm-right {
  overflow: hidden;
}
.norm-right img {
  width: 100%;
  transition: all 0.4s ease-in-out;
}
.glass {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-column-gap: 0.208333rem;
}
.glass img {
  width: 2.033472rem;
  height: 3.694444rem;
  border-radius: 0.166667rem;
  overflow: hidden;
  transition: 0.3s ease-in-out;
}
.glass img:hover {
  transform: scale(1.05);
}
/* 项目风格稿 */
.c4dsheji {
  width: 8.611111rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  column-gap: 0.416667rem;
  row-gap: 0.416667rem;
}
.c4dsheji img {
  width: 2.590278rem;
  border-radius: 0.138889rem;
  filter: grayscale(0%);
  box-shadow: -0.030138rem -0.030138rem 0.090415rem #ffffff,
    0.045208rem 0.045208rem 0.090415rem rgba(174, 174, 192, 0.4);
  transition: all 0.3s ease-in-out;
}
.c4dsheji img:hover {
  transform: translateY(-0.027778rem);
  filter: grayscale(60%);
  box-shadow: -0.011302rem -0.011302rem 0.033906rem #ffffff,
    0.016953rem 0.016953rem 0.033906rem rgba(174, 174, 192, 0.4);
}
/* 备案专区 */
.beian a{
  font-size: .0833rem;
  display: grid;
  justify-items: center;
  margin-bottom: .2778rem;
  margin-top: 0.2778rem;
  margin-bottom: .2778rem;
}

/* 顶部导航 */
.topnav {

display: flex;
flex-direction: row;
justify-content: space-between;
margin-top: .2778rem;
margin-bottom: .1389rem;
}
.topnav a{
  margin-right: .2778rem;
}
.topnavbar{
  width: .9rem;
  height: .25rem;
  display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
border-radius: .0556rem;
font-size: .097222rem;
color: #16356a;
}
.topnavbar:hover{
  box-shadow: -0.011302rem -0.011302rem 0.033906rem #ffffff,
    0.016953rem 0.016953rem 0.033906rem rgba(174, 174, 192, 0.4);
    color: #551a8b;
  transition: all 0.3s ease-in-out;
}