/* ============ 基础 ============ */
:root {
  --bg: #05070f;
  --bg-2: #090d1a;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-2: rgba(255, 255, 255, 0.07);
  --line: rgba(255, 255, 255, 0.09);
  --text: #eaf0ff;
  --text-2: #93a0bd;
  --cyan: #00e5ff;
  --violet: #7a7cff;
  --pink: #ff5fd2;
  --grad: linear-gradient(135deg, #00e5ff 0%, #7a7cff 55%, #ff5fd2 100%);
  --grad-2: linear-gradient(90deg, #00e5ff, #7a7cff, #ff5fd2, #00e5ff);
  --radius: 20px;
  --font-display: 'Orbitron', 'Noto Sans SC', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
}

::selection { background: rgba(0, 229, 255, 0.35); }

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

/* ============ 背景特效 ============ */
#bg-particles {
  position: fixed; inset: 0; z-index: -3; opacity: 0.55;
}
.bg-grid {
  position: fixed; inset: 0; z-index: -4;
  background-image:
    linear-gradient(rgba(122, 124, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 124, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 80%);
}
.orb {
  position: fixed; border-radius: 50%; filter: blur(110px); z-index: -2;
  pointer-events: none; opacity: 0.5;
}
.orb-1 { width: 560px; height: 560px; background: #103a8a; top: -180px; left: -140px; animation: orbFloat 16s ease-in-out infinite; }
.orb-2 { width: 480px; height: 480px; background: #6d2380; top: 22%; right: -180px; animation: orbFloat 20s ease-in-out infinite reverse; }
.orb-3 { width: 520px; height: 520px; background: #045c6e; bottom: -200px; left: 30%; animation: orbFloat 24s ease-in-out infinite; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -40px) scale(1.08); }
  66% { transform: translate(-40px, 30px) scale(0.94); }
}

/* ============ 导航 ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0;
  transition: all 0.35s ease;
}
.nav.scrolled {
  padding: 10px 0;
  background: rgba(5, 7, 15, 0.75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-icon {
  width: 38px; height: 38px; display: block;
  border-radius: 11px;
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
}
.logo-text {
  font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--text);
  letter-spacing: 0;
  white-space: nowrap;
}
.logo-text em { font-style: normal; background: var(--grad-2); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* 一级导航：始终排成一行（不换行、不被压窄折行） */
.nav-links { display: flex; gap: 4px; flex-wrap: nowrap; flex: 0 0 auto; }
.nav-link {
  position: relative; color: var(--text-2); text-decoration: none; font-size: 14px;
  padding: 8px 10px; border-radius: 10px; transition: 0.25s;
  white-space: nowrap; flex: 0 0 auto;
}
.nav-link:hover { color: var(--text); background: var(--panel-2); }
.nav-link::after {
  content: ''; position: absolute; left: 10px; right: 10px; bottom: 4px; height: 2px;
  background: var(--grad-2); border-radius: 2px;
  transform: scaleX(0); transition: transform 0.3s;
}
.nav-link:hover::after { transform: scaleX(1); }

.nav-actions { display: flex; gap: 8px; flex: 0 0 auto; }
.nav .btn-sm { padding: 9px 13px; font-size: 13.5px; }
.burger { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; transition: 0.3s; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; font-size: 15px; line-height: 1.2;
  border-radius: 14px; font-weight: 700; text-decoration: none; cursor: pointer;
  border: 0; font-family: inherit; transition: all 0.28s ease; white-space: nowrap;
}
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 30px rgba(0, 229, 255, 0.28);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(122, 124, 255, 0.45); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.22);
}
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0, 229, 255, 0.06); transform: translateY(-3px); }
.btn-ghost { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--panel-2); border-color: rgba(255, 255, 255, 0.35); }
.arrow { transition: transform 0.25s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ============ Hero ============ */
.hero { position: relative; padding: 170px 0 90px; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 20px; border-radius: 100px;
  background: var(--panel); border: 1px solid var(--line);
  font-size: 14px; color: var(--text-2); margin-bottom: 28px;
}
.pulse-dot {
  width: 9px; height: 9px; border-radius: 50%; background: #34d399;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  70% { box-shadow: 0 0 0 12px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}
.hero-title {
  font-size: clamp(38px, 6.5vw, 76px); font-weight: 900; line-height: 1.18;
  letter-spacing: 1px;
}
.hero-title-sm { font-size: 0.42em; font-weight: 500; color: var(--text-2); display: block; margin-top: 18px; letter-spacing: 3px; }
.grad-text {
  background: var(--grad-2); background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: gradShift 5s linear infinite;
}
@keyframes gradShift { to { background-position: 200% center; } }
.hero-sub { max-width: 680px; margin: 26px auto 0; color: var(--text-2); font-size: 17px; }
.hero-sub b { color: var(--text); }
.hero-cta { display: flex; gap: 16px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }

/* 轨道动画 */
.hero-orbit {
  position: relative; width: 540px; height: 540px; margin: 70px auto 0;
  overflow: visible;
}
.orbit-core {
  position: absolute; inset: 0; margin: auto; width: 110px; height: 110px;
  border-radius: 50%; display: grid; place-items: center;
  background: radial-gradient(circle at 30% 30%, rgba(0, 229, 255, 0.25), rgba(122, 124, 255, 0.12));
  border: 1px solid rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 60px rgba(0, 229, 255, 0.25), inset 0 0 30px rgba(0, 229, 255, 0.12);
  animation: coreBreath 3.5s ease-in-out infinite;
}
@keyframes coreBreath { 50% { box-shadow: 0 0 90px rgba(122, 124, 255, 0.45), inset 0 0 40px rgba(255, 95, 210, 0.2); } }
.orbit-core-text { font-family: var(--font-display); font-weight: 700; font-size: 17px; line-height: 1.35; color: var(--cyan); text-align: center; }
.orbit-ring {
  position: absolute; top: 50%; left: 50%; border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  animation: spin 26s linear infinite;
}
.orbit-ring.ring-1 { width: 180px; height: 180px; margin: -90px 0 0 -90px; animation-duration: 22s; }
.orbit-ring.ring-2 { width: 330px; height: 330px; margin: -165px 0 0 -165px; animation: spinRev 34s linear infinite; }
.orbit-ring.ring-3 { width: 480px; height: 480px; margin: -240px 0 0 -240px; animation-duration: 46s; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spinRev { to { transform: rotate(-360deg); } }
.orbit-item {
  position: absolute; top: 50%; left: 50%; z-index: 2;
  width: 64px; height: 64px; margin: -32px 0 0 -32px;
  border-radius: 50%;
  display: grid; place-items: center; font-size: 28px; color: #fff;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.45);
  transform: rotate(var(--angle, 0deg)) translate(var(--radius, 130px)) rotate(calc(-1 * var(--angle, 0deg)));
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hero-orbit:hover .orbit-item { animation-play-state: paused; }
.orbit-item:hover {
  transform: rotate(var(--angle, 0deg)) translate(var(--radius, 130px)) rotate(calc(-1 * var(--angle, 0deg))) scale(1.12);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.55);
  z-index: 5;
}
.orbit-item i { line-height: 1; }
.orbit-item img {
  width: 100%; height: 100%;
  object-fit: contain; display: block;
  aspect-ratio: 1 / 1;
}
.orbit-item.yt,
.orbit-item.tt,
.orbit-item.ig,
.orbit-item.tw,
.orbit-item.gg,
.orbit-item.fb,
.orbit-item.li,
.orbit-item.pi { background: transparent; }

/* 统计 */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  margin-top: 80px;
}
.stat {
  padding: 26px 14px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  transition: 0.3s;
}
.stat:hover { transform: translateY(-5px); border-color: rgba(0, 229, 255, 0.35); }
.stat-num {
  font-family: var(--font-display); font-size: 34px; font-weight: 900;
  background: var(--grad-2); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { color: var(--text-2); font-size: 14px; margin-top: 6px; }

.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  width: 24px; height: 40px; border: 2px solid rgba(255, 255, 255, 0.2); border-radius: 14px;
}
.scroll-hint span {
  position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px;
  background: var(--cyan); border-radius: 2px;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot { 50% { transform: translateY(12px); opacity: 0.2; } }

/* ============ 区块通用 ============ */
.section { padding: 110px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(122, 124, 255, 0.04), transparent); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section-tag {
  font-family: var(--font-display); font-size: 12px; letter-spacing: 6px; color: var(--cyan);
  margin-bottom: 14px;
}
.section-title { font-size: clamp(28px, 4vw, 44px); font-weight: 900; line-height: 1.3; }
.section-sub { color: var(--text-2); margin-top: 16px; font-size: 16px; }

/* ============ 平台卡片 ============ */
.platform-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.platform-card {
  position: relative; padding: 30px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(10px); overflow: hidden;
  transition: transform 0.35s ease, border-color 0.35s, box-shadow 0.35s;
}
.platform-card:hover { transform: translateY(-8px); border-color: transparent; }
.pcard-glow {
  position: absolute; inset: -40%; opacity: 0; transition: opacity 0.45s;
  background: radial-gradient(circle at 50% 0%, var(--pc), transparent 55%);
}
.platform-card:hover .pcard-glow { opacity: 0.22; }
.platform-card::after {
  content: ''; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px;
  background: linear-gradient(160deg, var(--pc), transparent 40%, transparent 70%, var(--pc));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.4s; pointer-events: none;
}
.platform-card:hover::after { opacity: 1; }
.platform-card:hover { box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5); }
.pcard-head { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.pcard-icon {
  width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center;
  font-size: 28px; color: #fff;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  flex-shrink: 0;
  padding: 6px; box-sizing: border-box;
}
.pcard-icon i { line-height: 1; }
.pcard-icon img {
  width: 100%; height: 100%;
  object-fit: contain; display: block;
  aspect-ratio: 1 / 1;
}
.pcard-head h3 { font-size: 21px; font-weight: 800; }
.pcard-tag { font-size: 13px; color: var(--text-2); }
.pcard-list { list-style: none; display: grid; gap: 10px; }
.pcard-list li { color: var(--text-2); font-size: 14.5px; padding-left: 22px; position: relative; }
.pcard-list li::before {
  content: '▹'; position: absolute; left: 0; color: var(--pc); font-weight: 900;
}
.pcard-stat {
  margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--line);
  font-size: 13px; color: var(--text-2);
}
.pcard-stat b { color: var(--text); font-size: 15px; }
.pcard-yt { --pc: #ff4a4a; }
.pcard-tt { --pc: #25f4ee; }
.pcard-ig { --pc: #ee2a7b; }
.pcard-tw { --pc: #8b98a9; }
.pcard-gg { --pc: #4285f4; }
.pcard-fb { --pc: #1877f2; }
.pcard-li { --pc: #0a66c2; }
.pcard-pi { --pc: #e60023; }
.pcard-tt .pcard-list li::before { color: #fe2c55; }

/* ============ 服务 ============ */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card {
  position: relative; padding: 32px 26px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
  transition: 0.35s;
  overflow: hidden;               /* 编号流光 / 角标光晕不溢出卡片 */
}
.service-card:hover { transform: translateY(-6px); background: var(--panel-2); border-color: rgba(0, 229, 255, 0.3); }
.service-card::before {           /* 右上角光晕（hover 时浮现） */
  content: ''; position: absolute; top: -46px; right: -34px;
  width: 150px; height: 150px; border-radius: 50%; z-index: 0;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.3), rgba(122, 124, 255, 0.12) 45%, transparent 72%);
  opacity: 0; transform: scale(0.7);
  transition: opacity 0.5s ease, transform 0.6s ease;
  pointer-events: none;
}
.service-card:hover::before { opacity: 1; transform: scale(1); }
/* 编号 01–04：空心描边 + 间歇流光 + hover 提亮放大发光
   —— 性能：流光只占周期约 1/7，其余时间静止不重绘；四张卡片同步刷新 */
.service-num {
  position: absolute; top: 12px; right: 20px; z-index: 1; line-height: 1;
  font-family: var(--font-display); font-size: 48px; font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1.4px rgba(140, 180, 255, 0.3);
  background-image: linear-gradient(100deg,
    rgba(0, 229, 255, 0) 40%,
    rgba(0, 229, 255, 0.9) 47%,
    #ffffff 50%,
    rgba(122, 124, 255, 0.9) 53%,
    rgba(255, 95, 210, 0) 62%);
  background-size: 250% 100%;
  background-repeat: no-repeat;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: numShimmer 4.5s linear infinite;
  transform: translateZ(0);         /* 提升为独立合成层，减少整页重绘 */
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), -webkit-text-stroke-color 0.4s ease, filter 0.4s ease;
  pointer-events: none;
}
@keyframes numShimmer {
  0%   { background-position: 200% 50%; }    /* 停在数字外（完全透明，不重绘） */
  22%  { background-position: -100% 50%; }   /* 约 1 秒快速扫过（速度不变） */
  100% { background-position: -100% 50%; }   /* 其余约 3.5 秒静止，等同无动画开销 */
}
/* 四卡统一节奏：不设 animation-delay，同一频率、同一速度同步刷新 */
.service-card:hover .service-num {
  transform: translateZ(0) translateY(-6px) scale(1.14);
  -webkit-text-stroke-color: rgba(0, 229, 255, 0.72);
  filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.55));
}
/* 保证角标光晕永远在正文之下 */
.service-card > .service-icon,
.service-card > h3,
.service-card > p,
.service-card > .service-feats { position: relative; z-index: 1; }
.service-icon { font-size: 38px; margin-bottom: 18px; }
.service-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 12px; }
.service-card p { color: var(--text-2); font-size: 14px; }
.service-feats { display: flex; flex-wrap: nowrap; gap: 6px; margin-top: 18px; }
.service-feats span {
  flex: 1 1 0; min-width: 0; text-align: center; white-space: nowrap;
  font-size: 12px; padding: 4px 6px; border-radius: 100px;
  background: rgba(0, 229, 255, 0.08); border: 1px solid rgba(0, 229, 255, 0.18); color: var(--cyan);
}

/* ============ 流程 ============ */
.process-timeline { position: relative; display: grid; gap: 22px; max-width: 860px; margin: 0 auto; }
.process-line {
  position: absolute; left: 26px; top: 20px; bottom: 20px; width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet), var(--pink));
  opacity: 0.5;
}
.process-step { display: flex; gap: 26px; align-items: flex-start; }
.step-dot {
  flex: 0 0 54px; width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center; z-index: 1;
  background: var(--bg-2); border: 2px solid transparent;
  font-family: var(--font-display); font-weight: 900; font-size: 20px;
  background-image: linear-gradient(var(--bg-2), var(--bg-2)), var(--grad);
  background-origin: border-box; background-clip: padding-box, border-box;
  color: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.25);
}
.step-card {
  flex: 1; padding: 24px 28px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
  position: relative; transition: 0.3s;
}
.step-card:hover { border-color: rgba(122, 124, 255, 0.4); transform: translateX(6px); }
.step-card h4 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.step-card p { color: var(--text-2); font-size: 14.5px; }
.step-time {
  position: absolute; top: 22px; right: 24px; font-size: 12px;
  color: var(--cyan); background: rgba(0, 229, 255, 0.08);
  padding: 3px 12px; border-radius: 100px; border: 1px solid rgba(0, 229, 255, 0.2);
}

/* ============ 案例 ============ */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  padding: 30px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line); transition: 0.35s;
}
.case-card:hover { transform: translateY(-6px); border-color: rgba(255, 95, 210, 0.35); }
.case-brand { color: var(--text-2); font-size: 14px; margin-bottom: 14px; font-weight: 700; }
.case-metric { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; }
.case-num {
  font-family: var(--font-display); font-size: 42px; font-weight: 900;
  background: var(--grad-2); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.case-unit { color: var(--text-2); font-size: 15px; }
.case-card p { color: var(--text-2); font-size: 14.5px; }
.case-card p b { color: var(--text); }
.case-tags { display: flex; gap: 8px; margin-top: 18px; }
.case-tags span {
  font-size: 12px; padding: 4px 12px; border-radius: 100px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text-2);
}

/* ============ 价格 ============ */
.pricing-toggle {
  display: inline-flex; gap: 6px; padding: 6px; border-radius: 100px;
  background: var(--panel); border: 1px solid var(--line); margin-bottom: 46px;
}
.pt-btn {
  background: none; border: 0; color: var(--text-2); font-family: inherit;
  font-size: 14px; font-weight: 700; padding: 9px 26px; border-radius: 100px; cursor: pointer;
  transition: 0.25s;
}
.pt-btn.active { background: var(--grad); color: #fff; }
.pt-btn em { font-style: normal; font-size: 11px; opacity: 0.85; margin-left: 4px; }
.pricing-head-center { text-align: center; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; align-items: stretch; }
.price-card {
  position: relative; padding: 36px 30px; border-radius: 24px;
  background: var(--panel); border: 1px solid var(--line);
  display: flex; flex-direction: column; transition: 0.35s;
}
.price-card:hover { transform: translateY(-8px); }
.price-card.featured {
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    var(--grad) border-box;
  box-shadow: 0 24px 70px rgba(122, 124, 255, 0.22);
  transform: scale(1.04);
}
.price-card.featured:hover { transform: scale(1.04) translateY(-8px); }
.price-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff; font-size: 12px; font-weight: 700;
  padding: 5px 18px; border-radius: 100px; white-space: nowrap;
  box-shadow: 0 6px 20px rgba(255, 95, 210, 0.4);
}
.price-name { font-size: 21px; font-weight: 900; }
.price-desc { color: var(--text-2); font-size: 14px; margin: 6px 0 22px; }
.price-val { display: flex; align-items: baseline; gap: 4px; margin-bottom: 26px; }
.price-cur { font-size: 20px; font-weight: 700; color: var(--text-2); }
.price-num {
  font-family: var(--font-display); font-size: 46px; font-weight: 900; line-height: 1;
  background: var(--grad-2); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.price-num.contact-us { font-size: 30px; }
.price-per { color: var(--text-2); font-size: 14px; }
.price-list { list-style: none; display: grid; gap: 12px; margin-bottom: 30px; flex: 1; }
.price-list li { font-size: 14.5px; color: var(--text-2); padding-left: 26px; position: relative; }
.price-list li::before {
  content: '✓'; position: absolute; left: 0; top: 0;
  width: 18px; height: 18px; border-radius: 50%; font-size: 11px;
  display: grid; place-items: center; background: rgba(0, 229, 255, 0.12); color: var(--cyan);
}

/* ============ FAQ ============ */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  border-radius: 16px; background: var(--panel); border: 1px solid var(--line);
  overflow: hidden; transition: border-color 0.3s;
}
.faq-item.open { border-color: rgba(0, 229, 255, 0.35); }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 22px 26px; background: none; border: 0; color: var(--text);
  font-size: 16px; font-weight: 700; font-family: inherit; cursor: pointer; text-align: left;
}
.faq-icon { position: relative; flex: 0 0 20px; width: 20px; height: 20px; }
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute; background: var(--cyan); border-radius: 2px;
  transition: 0.3s;
}
.faq-icon::before { left: 2px; right: 2px; top: 9px; height: 2px; }
.faq-icon::after { top: 2px; bottom: 2px; left: 9px; width: 2px; }
.faq-item.open .faq-icon::after { transform: scaleY(0); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-a p { padding: 0 26px 24px; color: var(--text-2); font-size: 14.5px; }

/* ============ 联系 ============ */
.contact-wrap {
  position: relative; display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px;
  padding: 60px; border-radius: 28px;
  background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(14px); overflow: hidden;
}
.contact-glow {
  position: absolute; top: -50%; left: -20%; width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(122, 124, 255, 0.18), transparent 60%);
  pointer-events: none;
}
.contact-title { font-size: clamp(26px, 3.6vw, 38px); font-weight: 900; line-height: 1.3; }
.contact-sub { color: var(--text-2); margin-top: 18px; }
.contact-sub b { color: var(--cyan); }
.contact-ch { display: grid; gap: 16px; margin-top: 36px; }
.ch-item { display: flex; align-items: center; gap: 14px; color: var(--text-2); }
.ch-ic {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  font-size: 20px; background: var(--panel-2); border: 1px solid var(--line);
}
.ch-item b { color: var(--text); }

.contact-form { display: grid; gap: 18px; position: relative; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: grid; gap: 8px; }
.form-field label { font-size: 13px; font-weight: 700; color: var(--text-2); }
.form-field input, .form-field textarea {
  width: 100%; padding: 14px 16px; border-radius: 13px;
  background: rgba(0, 0, 0, 0.3); border: 1px solid var(--line);
  color: var(--text); font-family: inherit; font-size: 15px; outline: none;
  transition: 0.25s; resize: vertical;
}
.form-field input:focus, .form-field textarea:focus {
  border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.1);
}
.form-field input::placeholder, .form-field textarea::placeholder { color: rgba(147, 160, 189, 0.5); }
.form-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  padding: 8px 18px; border-radius: 100px; font-size: 13.5px; font-weight: 700;
  background: var(--panel-2); color: var(--text-2); border: 1px solid var(--line);
  cursor: pointer; font-family: inherit; transition: 0.25s;
}
.chip:hover { border-color: rgba(0, 229, 255, 0.4); color: var(--text); }
.chip.on {
  background: var(--grad); color: #fff; border-color: transparent;
  box-shadow: 0 6px 18px rgba(0, 229, 255, 0.3);
}
.form-note { font-size: 12px; color: var(--text-2); text-align: center; }

/* ============ 页脚 ============ */
.footer { border-top: 1px solid var(--line); padding: 70px 0 0; margin-top: 40px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1.4fr 1fr 1fr; gap: 40px; }
.footer-desc { color: var(--text-2); font-size: 14px; margin: 16px 0 22px; max-width: 300px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  color: var(--text-2); text-decoration: none; font-size: 15px; font-weight: 700;
  background: var(--panel); border: 1px solid var(--line); transition: 0.25s;
}
.footer-social a:hover { color: #fff; border-color: var(--cyan); transform: translateY(-3px); }
.footer-social a img { width: 18px; height: 18px; display: block; }
.footer-col { display: grid; gap: 12px; align-content: start; }
.footer-col h5 { font-size: 15px; margin-bottom: 6px; }
.footer-col a { color: var(--text-2); text-decoration: none; font-size: 14px; transition: 0.2s; }
.footer-col a:hover { color: var(--cyan); }
.footer-col > div { display: flex; flex-direction: column; gap: 16px; }
/* 「服务平台」链接：固定 2 列网格，行列之间留出间隔 */
#ftColServices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
}
.footer-bar { margin-top: 60px; padding: 22px 0; border-top: 1px solid var(--line); }
.footer-bar-inner { display: flex; justify-content: space-between; color: var(--text-2); font-size: 13px; flex-wrap: wrap; gap: 8px; }

/* ============ 博客分页 ============ */
.sw-pager { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.pg {
  min-width: 34px; height: 34px; padding: 0 10px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel);
  color: var(--text-2); font-size: 13px; font-family: inherit; transition: 0.2s;
}
.pg:hover:not(:disabled) { color: var(--text); border-color: rgba(0, 229, 255, 0.4); }
.pg.on { background: var(--grad); border-color: transparent; color: #fff; font-weight: 700; }
.pg:disabled { opacity: 0.35; cursor: not-allowed; }
.pg-ell { min-width: 20px; text-align: center; color: var(--text-2); font-size: 13px; }
.pg-info { font-size: 12.5px; color: var(--text-2); margin-left: 8px; }

/* ============ Toast ============ */
.toast {
  position: fixed; bottom: 30px; left: 50%; transform: translate(-50%, 140%);
  display: flex; align-items: center; gap: 10px;
  padding: 15px 28px; border-radius: 14px; z-index: 200;
  background: rgba(9, 13, 26, 0.92); border: 1px solid rgba(52, 211, 153, 0.4);
  backdrop-filter: blur(14px); font-weight: 700; font-size: 15px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transition: transform 0.45s cubic-bezier(0.22, 1.4, 0.4, 1);
}
.toast.show { transform: translate(-50%, 0); }
.toast-ic { font-size: 17px; line-height: 1; flex-shrink: 0; }

/* ============ 滚动动画 ============ */
.reveal {
  opacity: 0; transform: translateY(34px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* ============ 响应式 ============ */
/* 导航：窗口变窄先压缩，再窄直接收进汉堡菜单，避免 7 个入口被挤成两行 */
@media (max-width: 1340px) {
  .nav-inner { gap: 10px; }
  .nav-links { gap: 2px; }
  .nav-link { font-size: 13.5px; padding: 8px 8px; }
  .nav-link::after { left: 8px; right: 8px; }
  .nav .btn-sm { padding: 9px 12px; font-size: 13px; }
}
@media (max-width: 1140px) {
  .nav-links, .nav-actions { display: none; }
  .nav.open .nav-links {
    display: flex; position: absolute; top: 100%; left: 16px; right: 16px;
    flex-direction: column; gap: 6px; padding: 16px;
    background: rgba(9, 13, 26, 0.96); border: 1px solid var(--line);
    border-radius: 18px; backdrop-filter: blur(18px);
  }
  .nav.open .nav-links .nav-link { font-size: 15px; padding: 11px 14px; }
  .burger { display: block; }
}
/* 软件部落 / 博客页一级入口只有 3 个，中等屏幕仍直接显示，不提前收汉堡 */
@media (max-width: 1140px) and (min-width: 721px) {
  body.sw-page .nav-links { display: flex; }
  body.sw-page .nav-actions { display: flex; }
  body.sw-page .burger { display: none; }
}
@media (max-width: 1024px) {
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .price-card.featured { transform: none; }
  .contact-wrap { grid-template-columns: 1fr; padding: 40px 28px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .platform-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding-top: 130px; }
  .hero-orbit { transform: scale(0.62); }
  .step-time { position: static; display: inline-block; margin-top: 10px; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============ 公告栏 ============ */
.notice-bar-wrap {
  position: relative; z-index: 90;
  margin-top: 84px;
  padding: 0 24px;            /* 内容居中，两侧留白，与上方功能栏对齐 */
  display: flex; flex-direction: column; gap: 10px;   /* 多条公告（通知 / 活动 / 紧急）逐条堆叠 */
}
.notice-bar {
  width: 100%;                /* 撑满容器：flex 列内向居中会「收缩到内容宽」，显式 width 覆盖 */
  max-width: 1200px;          /* 与上方功能栏（导航栏）等宽 */
  margin: 0 auto;
  padding: 12px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: noticeIn 0.45s ease;
}
@keyframes noticeIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.notice-bar.lv-info { background: rgba(0, 229, 255, 0.08); border-color: rgba(0, 229, 255, 0.25); }
.notice-bar.lv-hot  { background: rgba(255, 95, 210, 0.08); border-color: rgba(255, 95, 210, 0.25); }
.notice-bar.lv-warn { background: rgba(245, 158, 11, 0.10); border-color: rgba(245, 158, 11, 0.30); }
.notice-inner {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; flex-wrap: wrap;
}
.notice-ic { font-size: 17px; }
.notice-title { color: var(--text); white-space: nowrap; }
.notice-text {
  flex: 1; min-width: 0;
  display: block; overflow: hidden; white-space: nowrap;
}
.notice-mp {
  display: inline-block;
  /* 只保留「一条」公告内容：左侧补满一整条可视宽度，
     文字从右侧进入 → 左侧移出，循环往复（不再平铺多条） */
  padding-left: 100%;
  color: var(--text-2);
  animation: noticeScroll 14s linear infinite;
}
.notice-text:hover .notice-mp { animation-play-state: paused; }
@keyframes noticeScroll { from { transform: translateX(0); } to { transform: translateX(-100%); } }
.notice-x {
  background: none; border: 0; color: var(--text-2); cursor: pointer;
  font-size: 13px; padding: 4px 8px; border-radius: 8px; transition: 0.25s;
}
.notice-x:hover { color: var(--text); background: var(--panel-2); }

/* ============ 导航登录态 ============ */
.nav-auth { display: flex; align-items: center; }
.nav-user {
  position: relative; display: flex; align-items: center; gap: 8px;
  padding: 5px 10px 5px 6px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel);
  transition: 0.25s; user-select: none;
}
.nav-user:hover { border-color: rgba(0, 229, 255, 0.45); background: var(--panel-2); }
.nav-avatar {
  width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad); color: #fff; font-size: 13px; font-weight: 800; flex-shrink: 0;
}
.nav-username { font-size: 13.5px; font-weight: 600; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-caret { font-size: 10px; color: var(--text-2); transition: 0.25s; }
.nav-user.open .nav-caret { transform: rotate(180deg); }
.nav-dropdown {
  position: absolute; top: calc(100% + 10px); right: 0; min-width: 230px;
  background: rgba(9, 13, 26, 0.97); border: 1px solid var(--line);
  border-radius: 16px; padding: 8px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: 0.25s; z-index: 120;
}
.nav-user.open .nav-dropdown { opacity: 1; visibility: visible; transform: none; }
.nav-dd-head { padding: 10px 12px 12px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.nav-dd-head b { display: block; font-size: 14.5px; }
.nav-dd-head span { display: block; font-size: 12px; color: var(--text-2); word-break: break-all; }
.nav-dd-badge {
  display: inline-block; margin-top: 6px; font-style: normal; font-size: 11px;
  padding: 2px 10px; border-radius: 999px; background: var(--grad); color: #fff; font-weight: 700;
}
.nav-dd-item {
  display: block; width: 100%; text-align: left; padding: 10px 12px;
  background: none; border: 0; border-radius: 10px; cursor: pointer;
  color: var(--text); font-size: 13.5px; font-family: inherit; text-decoration: none;
  transition: 0.2s;
}
.nav-dd-item:hover { background: var(--panel-2); color: var(--cyan); }

/* ============ 导航语言切换（i18n.js 渲染） ============ */
.lang-switch { display: flex; align-items: center; flex: 0 0 auto; }
.lang-user {
  position: relative; display: flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel);
  transition: 0.25s; user-select: none; white-space: nowrap;
}
.lang-user:hover { border-color: rgba(0, 229, 255, 0.45); background: var(--panel-2); }
.lang-flag { font-size: 15px; line-height: 1; }
.lang-flag svg { width: 21px; height: 14px; display: block; border-radius: 3px; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.14); }
.lang-code { font-size: 12.5px; font-weight: 700; color: var(--text-2); letter-spacing: 0.5px; }
.lang-dropdown { min-width: 176px; }
.lang-item { display: flex; align-items: center; gap: 10px; }
.lang-name { flex: 1; }
.lang-check { color: var(--cyan); font-size: 12px; }
.lang-cur { color: var(--cyan); }
.lang-user.open .lang-dropdown { opacity: 1; visibility: visible; transform: none; }
/* 移动端汉堡态仍可见语言切换，收窄到只显示国旗 */
@media (max-width: 720px) { .lang-code { display: none; } }

/* ============ 弹窗 ============ */
.modal-mask {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(3, 5, 12, 0.72); backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center; padding: 24px;
  opacity: 0; visibility: hidden; transition: 0.3s;
}
.modal-mask.show { opacity: 1; visibility: visible; }
.modal {
  position: relative; width: 100%; max-width: 420px;
  background: rgba(13, 18, 34, 0.98); border: 1px solid var(--line);
  border-radius: 24px; padding: 34px 30px 28px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6);
  transform: translateY(18px) scale(0.97); transition: 0.3s;
}
.modal-mask.show .modal { transform: none; }
.modal-x {
  position: absolute; top: 14px; right: 14px;
  width: 34px; height: 34px; border-radius: 10px;
  background: none; border: 0; color: var(--text-2); cursor: pointer;
  font-size: 14px; transition: 0.25s;
}
.modal-x:hover { color: var(--text); background: var(--panel-2); }

.auth-head { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.auth-head b { font-family: var(--font-display); font-size: 18px; letter-spacing: 0.5px; }
.auth-head em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.auth-logo {
  width: 38px; height: 38px; display: block;
  border-radius: 11px;
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
}
.auth-tabs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
  background: var(--panel); border: 1px solid var(--line);
  padding: 5px; border-radius: 14px; margin-bottom: 22px;
}
.auth-tab {
  padding: 9px 0; border-radius: 10px; border: 0; cursor: pointer;
  background: none; color: var(--text-2); font-size: 14px; font-weight: 600;
  font-family: inherit; transition: 0.25s; letter-spacing: 2px;
}
.auth-tab.active { background: var(--grad); color: #fff; box-shadow: 0 6px 18px rgba(0, 229, 255, 0.3); }
.auth-field { margin-bottom: 15px; }
.auth-field label { display: block; font-size: 12.5px; color: var(--text-2); margin-bottom: 7px; }
.auth-field input {
  width: 100%; padding: 11px 14px; border-radius: 12px;
  background: var(--panel); border: 1px solid var(--line);
  color: var(--text); font-size: 14px; font-family: inherit; outline: none; transition: 0.25s;
}
.auth-field input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.14); }
.auth-err { min-height: 20px; font-size: 12.5px; color: #ff6b81; margin: 2px 0 8px; }
.auth-tip { font-size: 12px; color: var(--text-2); text-align: center; margin-top: 12px; }
/* 登录/注册弹窗：注册表单更高，加宽一档并允许内部滚动，防止小屏溢出 */
.auth-modal { max-width: 440px; max-height: 90vh; overflow-y: auto; }

@media (max-width: 720px) {
  .nav-auth { display: flex; }
  .nav-username { max-width: 64px; }
  .notice-bar-wrap { margin-top: 118px; }
  .notice-inner { gap: 8px; }
  .notice-text { font-size: 13px; }
}

/* ===== 右侧浮动导航（回到顶部 / 跳到底部） ===== */
.float-nav {
  position: fixed; right: 22px; bottom: 120px; z-index: 900;
  display: flex; flex-direction: column; align-items: center; gap: 13px;
  padding: 12px 10px;
  background: rgba(13, 18, 38, 0.74);
  border: 1px solid var(--line); border-radius: 22px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  opacity: 0; visibility: hidden; transform: translateX(16px);
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  animation: fnNavGlow 3.8s ease-in-out infinite;
}
.float-nav.show { opacity: 1; visibility: visible; transform: translateX(0); }
@keyframes fnNavGlow {
  0%, 100% { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 229, 255, 0.04); }
  50% { box-shadow: 0 12px 36px rgba(0, 0, 0, 0.42), 0 0 26px rgba(0, 229, 255, 0.18); }
}

.fn-btn {
  position: relative; overflow: hidden; isolation: isolate;
  width: 62px; padding: 12px 0 10px; border-radius: 16px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  background: transparent; border: 1px solid transparent;
  color: var(--text-2); font-family: inherit;
  transition: color 0.25s, background 0.25s, box-shadow 0.25s, transform 0.25s;
}
.fn-btn::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1.5px;
  background: conic-gradient(from 0deg, #00e5ff, #7a7cff, #ff5fd2, #00e5ff);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
  animation: fnHue 6s linear infinite;
}
.fn-btn::after {
  content: ''; position: absolute; top: -20%; bottom: -20%; left: -75%; width: 55%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg); opacity: 0; pointer-events: none;
}
.fn-ic { font-size: 27px; line-height: 1; font-weight: 700; transition: transform 0.25s; }
.fn-tx { font-size: 14.5px; line-height: 1; letter-spacing: 1px; }
.fn-btn:hover {
  color: #fff;
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.16), rgba(122, 124, 255, 0.08));
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.28), inset 0 0 16px rgba(122, 124, 255, 0.14);
  transform: translateY(-2px);
}
.fn-btn:hover::before { opacity: 1; }
.fn-btn:hover::after { animation: fnShine 0.85s ease; }
.fn-btn:active { transform: translateY(0) scale(0.95); }
.fn-btn:hover .fn-ic { animation: fnBounce 0.6s ease; }
#fnTop:hover { color: var(--cyan); }
#fnBottom:hover { color: var(--cyan); }

@keyframes fnHue { to { filter: hue-rotate(360deg); } }
@keyframes fnShine {
  0% { left: -75%; opacity: 0; }
  15% { opacity: 1; }
  100% { left: 135%; opacity: 0; }
}
@keyframes fnBounce {
  0% { transform: translateY(0); }
  40% { transform: translateY(-6px); }
  70% { transform: translateY(2px); }
  100% { transform: translateY(0); }
}

.fn-div {
  width: 34px; height: 1px; margin: 5px 0;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.45), rgba(122, 124, 255, 0.35), transparent);
}

@media (max-width: 640px) {
  .float-nav { right: 12px; bottom: 92px; gap: 11px; padding: 10px 7px; border-radius: 20px; }
  .fn-btn { width: 54px; padding: 10px 0 8px; }
  .fn-ic { font-size: 24px; }
  .fn-tx { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .float-nav, .fn-btn::before { animation: none; }
  .fn-btn:hover::after, .fn-btn:hover .fn-ic { animation: none; }
}

/* ============================================
   软件部落页（software.html）
   ============================================ */
.sw-section { padding-top: 60px; }

.sw-toolbar { display: flex; justify-content: center; margin-bottom: 18px; }
.sw-search {
  display: flex; align-items: center; gap: 10px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 0 18px; max-width: 480px; width: 100%;
  transition: 0.25s;
}
.sw-search:focus-within { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.14); }
.sw-search span { font-size: 14px; opacity: 0.7; }
.sw-search input {
  flex: 1; border: 0; outline: none; background: none;
  color: var(--text); font-size: 14px; font-family: inherit; padding: 13px 0;
}
.sw-search input::placeholder { color: var(--text-2); opacity: 0.7; }

.sw-cats {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  margin-bottom: 42px;
}
.sw-cat {
  padding: 8px 20px; border-radius: 999px; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line);
  color: var(--text-2); font-size: 13.5px; font-weight: 600; font-family: inherit;
  transition: 0.25s;
}
.sw-cat:hover { color: var(--text); border-color: rgba(0, 229, 255, 0.45); }
.sw-cat.on {
  background: var(--grad); border-color: transparent; color: #fff;
  box-shadow: 0 6px 18px rgba(0, 229, 255, 0.28);
}

.sw-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
@media (max-width: 1024px) { .sw-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .sw-grid { grid-template-columns: 1fr; } }

.sw-card {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 22px; padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
  transition: 0.35s;
}
.sw-card:hover { transform: translateY(-5px); border-color: rgba(0, 229, 255, 0.45); box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35); }
.sw-card-glow {
  position: absolute; inset: -40% -20% auto; height: 70%;
  background: radial-gradient(ellipse at top, rgba(0, 229, 255, 0.14), transparent 65%);
  pointer-events: none;
}
.sw-card-head { display: flex; align-items: center; gap: 14px; position: relative; }
.sw-icon {
  width: 56px; height: 56px; border-radius: 16px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 30px;
  background: var(--panel-2); border: 1px solid var(--line);
}
.sw-title-wrap { flex: 1; min-width: 0; }
.sw-name {
  margin: 0 0 4px; font-size: 18px; font-weight: 700; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sw-ver {
  font-size: 12px; font-weight: 700; letter-spacing: 0.5px;
  padding: 2px 10px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--cyan);
}
.sw-cat-tag {
  flex-shrink: 0; font-size: 12px; font-weight: 600;
  padding: 3px 12px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.14), rgba(122, 124, 255, 0.14));
  border: 1px solid rgba(0, 229, 255, 0.3); color: var(--cyan);
}
.sw-desc {
  margin: 0; flex: 1;
  font-size: 13.5px; line-height: 1.75; color: var(--text-2);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.sw-meta {
  display: flex; flex-wrap: wrap; gap: 8px 16px;
  font-size: 12.5px; color: var(--text-2);
}
.sw-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding-top: 14px; border-top: 1px solid var(--line);
}
.sw-src { font-size: 12.5px; color: var(--text-2); }
.sw-dl { min-width: 128px; }

.sw-empty {
  grid-column: 1 / -1; text-align: center; padding: 70px 20px;
  color: var(--text-2); font-size: 14.5px;
  background: var(--panel); border: 1px dashed var(--line); border-radius: 20px;
}

.sw-tip {
  margin-top: 34px; text-align: center;
  font-size: 12.5px; color: var(--text-2); opacity: 0.85;
}

/* 当前导航高亮（软件部落） */
.nav-link.sw-cur { color: var(--cyan); }
.nav-link.sw-cur::after { transform: scaleX(1); background: var(--grad); }
.nav-link.sw-cur:hover::after { transform: scaleX(1); }

/* ============================================
   博客页（blog.html）
   ============================================ */
.blog-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
@media (max-width: 1024px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .blog-grid { grid-template-columns: 1fr; } }

.blog-card {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 22px;
  display: flex; flex-direction: column;
  cursor: pointer;
  transition: 0.35s;
}
.blog-card:hover { transform: translateY(-5px); border-color: rgba(0, 229, 255, 0.45); box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35); }

.blog-cover { height: 172px; overflow: hidden; border-radius: 21px 21px 0 0; }
.blog-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: 0.45s; }
.blog-card:hover .blog-cover img { transform: scale(1.05); }
.blog-cover-ph {
  display: grid; place-items: center;
  font-size: 44px; opacity: 0.55;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(122, 124, 255, 0.12));
  border-bottom: 1px solid var(--line);
}

.blog-body { display: flex; flex-direction: column; gap: 10px; padding: 20px 22px 4px; flex: 1; }
.blog-title-row { display: flex; align-items: flex-start; gap: 10px; }
.blog-title {
  flex: 1; min-width: 0; margin: 0;
  font-size: 17px; font-weight: 700; color: var(--text); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-cat-tag {
  flex-shrink: 0; font-size: 12px; font-weight: 600;
  padding: 3px 12px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.14), rgba(122, 124, 255, 0.14));
  border: 1px solid rgba(0, 229, 255, 0.3); color: var(--cyan);
}
.blog-summary {
  margin: 0; flex: 1;
  font-size: 13.5px; line-height: 1.75; color: var(--text-2);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-meta {
  display: flex; flex-wrap: wrap; gap: 6px 14px;
  font-size: 12.5px; color: var(--text-2);
}
.blog-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px 20px; border-top: 1px solid var(--line); margin-top: 10px;
}
.blog-read {
  font-size: 13px; font-weight: 700; color: var(--cyan);
  transition: 0.25s;
}
.blog-card:hover .blog-read { letter-spacing: 1px; }

/* ---------- 文章详情 ---------- */
.blog-back {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel); border: 1px solid var(--line);
  color: var(--text-2); font-size: 13.5px; font-weight: 600; font-family: inherit;
  padding: 9px 18px; border-radius: 999px; cursor: pointer;
  margin-bottom: 28px; transition: 0.25s;
}
.blog-back:hover { color: var(--cyan); border-color: rgba(0, 229, 255, 0.45); }

.blog-detail-head { margin-bottom: 26px; }
.blog-detail-cat {
  display: inline-block; font-size: 12.5px; font-weight: 700;
  padding: 4px 14px; border-radius: 999px; margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.14), rgba(122, 124, 255, 0.14));
  border: 1px solid rgba(0, 229, 255, 0.3); color: var(--cyan);
}
.blog-detail-title {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.4vw, 34px); font-weight: 900; line-height: 1.4; color: var(--text);
}
.blog-detail-meta {
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  font-size: 13px; color: var(--text-2);
  padding-bottom: 22px; border-bottom: 1px solid var(--line);
}
.blog-detail-cover {
  width: 100%; max-height: 460px; object-fit: cover;
  border-radius: 20px; border: 1px solid var(--line);
  margin-bottom: 28px; display: block;
}
.blog-detail-summary {
  margin: 0 0 24px; padding: 16px 20px;
  font-size: 14px; line-height: 1.8; color: var(--text-2);
  background: var(--panel); border-left: 3px solid var(--cyan); border-radius: 0 14px 14px 0;
}
.blog-content {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 20px; padding: 30px 34px;
}
@media (max-width: 680px) { .blog-content { padding: 22px 18px; } }
.blog-content p {
  margin: 0 0 18px;
  font-size: 15px; line-height: 2; color: var(--text);
}
.blog-content p:last-child { margin-bottom: 0; }

.blog-detail-tags {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px;
}
.blog-tag {
  font-size: 12.5px; font-weight: 600; color: var(--cyan);
  padding: 4px 14px; border-radius: 999px;
  background: var(--panel); border: 1px solid rgba(0, 229, 255, 0.3);
}

.blog-related { margin-top: 40px; }
.blog-related-title {
  margin: 0 0 18px; font-size: 17px; font-weight: 800; color: var(--text);
}
.blog-related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
@media (max-width: 1024px) { .blog-related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .blog-related-grid { grid-template-columns: 1fr; } }
.blog-related-item {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 18px 20px;
  transition: 0.3s;
}
.blog-related-item:hover { transform: translateY(-3px); border-color: rgba(0, 229, 255, 0.45); }
.blog-related-cat {
  font-size: 11.5px; font-weight: 700; color: var(--cyan);
  padding: 2px 10px; border-radius: 999px; align-self: flex-start;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.14), rgba(122, 124, 255, 0.14));
  border: 1px solid rgba(0, 229, 255, 0.3);
}
.blog-related-name {
  font-size: 14.5px; font-weight: 700; color: var(--text); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-related-meta { font-size: 12px; color: var(--text-2); }



/* 30 语言下拉：超出视口滚动 */
.lang-dropdown { max-height: min(420px, 60vh); overflow-y: auto; }

/* ========== 首屏防中文闪烁（head 内联脚本按 vg_lang 加 vg-ntl，i18n.js 渲染完成/1.5s 兜底后移除） ========== */
html.vg-ntl body { visibility: hidden; }
html.vg-ntl { background: var(--bg, #070b14); }

/* ========== RTL（从右到左）语言支持：ar / fa / ur / sd ========== */
/* 基础文本流与容器镜像 */
html[dir="rtl"] body { direction: rtl; text-align: right; }
/* 布局性左右间距/对齐翻转 */
html[dir="rtl"] .nav-dd-item,
html[dir="rtl"] .faq-q,
html[dir="rtl"] .blog-body { text-align: right; }
/* 通知条/页脚等横向排布元素镜像 */
html[dir="rtl"] .notice-inner { flex-direction: row-reverse; }
html[dir="rtl"] .footer-col > div { text-align: right; }
/* 表单与输入框跟随 */
html[dir="rtl"] input,
html[dir="rtl"] textarea { text-align: right; direction: rtl; }
/* 英文/数字与代码类内容保持 LTR（避免混排错乱） */
html[dir="rtl"] .stat-num,
html[dir="rtl"] .case-num,
html[dir="rtl"] .price-num,
html[dir="rtl"] .price-cur,
html[dir="rtl"] .lang-code,
html[dir="rtl"] .pcard-stat { direction: ltr; unicode-bidi: isolate; }
/* 下拉菜单与弹层贴边方向翻转 */
html[dir="rtl"] .nav-dropdown { left: auto; right: 0; text-align: right; }
html[dir="rtl"] .nav-dd-head { text-align: right; }