/* =========================================
   VBLACK SERIES PRODUCT PAGE
========================================= */

.vblack-page,
.vblack-page * {
  box-sizing: border-box;
}

.vblack-page {
  width: 100%;
  margin: 0;
  padding: 0;
  color: #151515;
  background: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
}

.vblack-section {
  width: 100%;
  padding: 78px 20px;
}

.vblack-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}

.vblack-light-bg {
  background: #f6f8fb;
}

.vblack-eyebrow {
  display: block;
  margin-bottom: 12px;
  color: #e60012;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
}

.vblack-heading {
  max-width: 830px;
  margin: 0 auto 44px;
  text-align: center;
}

.vblack-heading h2 {
  margin: 0 0 14px;
  color: #111111;
  font-size: 38px;
  line-height: 1.22;
}

.vblack-heading p {
  margin: 0;
  color: #666666;
  font-size: 16px;
  line-height: 1.75;
}

/* =========================================
   HERO
========================================= */

.vblack-hero {
  min-height: 600px;
  display: flex;
  align-items: center;
  padding: 90px 20px;
  background:
    linear-gradient(
      90deg,
      rgba(3, 12, 26, 0.93) 0%,
      rgba(3, 12, 26, 0.72) 48%,
      rgba(3, 12, 26, 0.18) 100%
    ),
    url('这里替换成Vblack Banner图片地址');
  background-size: cover;
  background-position: center;
}

.vblack-hero-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}

.vblack-hero-content {
  max-width: 780px;
}

.vblack-hero-label {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 30px;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.3px;
  text-transform: uppercase;
}

.vblack-hero h1 {
  margin: 0 0 20px;
  color: #ffffff;
  font-size: 52px;
  line-height: 1.13;
}

.vblack-hero p {
  max-width: 730px;
  margin: 0 0 30px;
  color: #eef3f8;
  font-size: 19px;
  line-height: 1.75;
}

.vblack-btn {
  display: inline-block;
  padding: 15px 32px;
  border-radius: 5px;
  background: #e60012;
  color: #ffffff !important;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: all .25s ease;
}

.vblack-btn:hover {
  background: #c90010;
  transform: translateY(-2px);
}

.vblack-btn-outline {
  margin-left: 10px;
  border: 1px solid rgba(255,255,255,.75);
  background: transparent;
}

.vblack-btn-outline:hover {
  background: #ffffff;
  color: #111111 !important;
}

/* =========================================
   QUICK SPECS
========================================= */

.vblack-spec-strip {
  position: relative;
  z-index: 3;
  max-width: 1180px;
  margin: -55px auto 0;
  padding: 0 20px;
}

.vblack-spec-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  overflow: hidden;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 18px 45px rgba(0,0,0,.12);
}

.vblack-spec-item {
  padding: 28px 18px;
  border-right: 1px solid #e8ebef;
  text-align: center;
}

.vblack-spec-item:last-child {
  border-right: none;
}

.vblack-spec-item strong {
  display: block;
  margin-bottom: 7px;
  color: #e60012;
  font-size: 22px;
}

.vblack-spec-item span {
  color: #555555;
  font-size: 13px;
  line-height: 1.5;
}

/* =========================================
   OVERVIEW
========================================= */

.vblack-overview {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 58px;
  align-items: center;
}

.vblack-overview-image img {
  width: 100%;
  display: block;
  border-radius: 14px;
  box-shadow: 0 15px 38px rgba(0,0,0,.12);
}

.vblack-overview-content h2 {
  margin: 0 0 22px;
  color: #111111;
  font-size: 38px;
  line-height: 1.25;
}

.vblack-overview-content p {
  margin: 0 0 17px;
  color: #555555;
  font-size: 16px;
  line-height: 1.82;
}

.vblack-check-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 20px;
  margin-top: 27px;
}

.vblack-check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #333333;
  font-size: 15px;
  line-height: 1.55;
}

.vblack-check-icon {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e60012;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
}

/* =========================================
   CABINET OPTIONS
========================================= */

.vblack-cabinet-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 21px;
}

.vblack-cabinet-card {
  padding: 30px 20px;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(0,0,0,.07);
  text-align: center;
}

.vblack-cabinet-card img {
  width: 100%;
  height: 190px;
  margin-bottom: 18px;
  object-fit: contain;
}

.vblack-cabinet-card strong {
  display: block;
  margin-bottom: 9px;
  color: #e60012;
  font-size: 22px;
}

.vblack-cabinet-card p {
  margin: 0;
  color: #666666;
  font-size: 14px;
  line-height: 1.65;
}

/* =========================================
   APPLICATIONS
========================================= */

.vblack-app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 23px;
}

.vblack-app-card {
  position: relative;
  min-height: 300px;
  overflow: hidden;
  border-radius: 14px;
  background-size: cover;
  background-position: center;
  color: #ffffff;
  text-decoration: none;
}

.vblack-app-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,.08),
    rgba(0,0,0,.76)
  );
}

.vblack-app-content {
  position: absolute;
  z-index: 2;
  left: 26px;
  right: 26px;
  bottom: 25px;
}

.vblack-app-content h3 {
  margin: 0 0 8px;
  color: #ffffff;
  font-size: 23px;
}

.vblack-app-content p {
  margin: 0;
  color: #eeeeee;
  font-size: 14px;
  line-height: 1.6;
}

/* =========================================
   KEY FEATURES
========================================= */

.vblack-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.vblack-feature-card {
  padding: 31px 27px;
  border: 1px solid #e6e9ee;
  border-radius: 14px;
  background: #ffffff;
  transition: all .25s ease;
}

.vblack-feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 30px rgba(0,0,0,.09);
}

.vblack-feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 12px;
  background: #e60012;
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
}

.vblack-feature-card h3 {
  margin: 0 0 10px;
  color: #1b1b1b;
  font-size: 20px;
}

.vblack-feature-card p {
  margin: 0;
  color: #666666;
  font-size: 15px;
  line-height: 1.7;
}

/* =========================================
   VISUAL FEATURE ROWS
========================================= */

.vblack-visual-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: center;
  margin-bottom: 75px;
}

.vblack-visual-row:last-child {
  margin-bottom: 0;
}

.vblack-visual-row.reverse .vblack-visual-image {
  order: 2;
}

.vblack-visual-image img {
  width: 100%;
  display: block;
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(0,0,0,.11);
}

.vblack-visual-content h3 {
  margin: 0 0 16px;
  color: #111111;
  font-size: 32px;
}

.vblack-visual-content p {
  margin: 0 0 15px;
  color: #555555;
  font-size: 16px;
  line-height: 1.8;
}

.vblack-highlight {
  color: #e60012;
  font-weight: 700;
}

/* =========================================
   PIXEL PITCH
========================================= */

.vblack-pitch-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.vblack-pitch-card {
  padding: 29px 18px;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(0,0,0,.07);
  text-align: center;
}

.vblack-pitch-card strong {
  display: block;
  margin-bottom: 9px;
  color: #e60012;
  font-size: 28px;
}

.vblack-pitch-card h3 {
  margin: 0 0 10px;
  color: #222222;
  font-size: 16px;
}

.vblack-pitch-card p {
  margin: 0;
  color: #666666;
  font-size: 14px;
  line-height: 1.65;
}

/* =========================================
   SPEC TABLE
========================================= */

.vblack-table-wrap {
  overflow-x: auto;
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(0,0,0,.08);
}

.vblack-table {
  width: 100%;
  min-width: 1050px;
  border-collapse: collapse;
  background: #ffffff;
}

.vblack-table th,
.vblack-table td {
  padding: 15px 13px;
  border-bottom: 1px solid #e8ebef;
  text-align: center;
  font-size: 13px;
}

.vblack-table th {
  background: #081a30;
  color: #ffffff;
  font-weight: 700;
}

.vblack-table td:first-child {
  text-align: left;
  color: #222222;
  font-weight: 700;
}

.vblack-table tr:last-child td {
  border-bottom: none;
}

/* =========================================
   FAQ
========================================= */

.vblack-faq {
  max-width: 980px;
  margin: 0 auto;
}

.vblack-faq-item {
  margin-bottom: 15px;
  padding: 24px 27px;
  border: 1px solid #e5e8ec;
  border-radius: 12px;
  background: #ffffff;
}

.vblack-faq-item h3 {
  margin: 0 0 10px;
  color: #202020;
  font-size: 19px;
}

.vblack-faq-item p {
  margin: 0;
  color: #666666;
  font-size: 15px;
  line-height: 1.75;
}

/* =========================================
   CTA
========================================= */

.vblack-cta {
  padding: 82px 20px;
  background:
    linear-gradient(
      90deg,
      rgba(5,18,36,.97),
      rgba(12,43,78,.94)
    ),
    url('这里替换成CTA背景图片地址');
  background-size: cover;
  background-position: center;
  text-align: center;
}

.vblack-cta h2 {
  margin: 0 0 15px;
  color: #ffffff;
  font-size: 40px;
}

.vblack-cta p {
  max-width: 760px;
  margin: 0 auto 28px;
  color: #d8e1ea;
  font-size: 16px;
  line-height: 1.75;
}

.vblack-form-note {
  max-width: 900px;
  margin: 30px auto 0;
  padding: 17px 22px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 8px;
  color: #e6edf4;
  font-size: 14px;
  line-height: 1.7;
}

/* =========================================
   RESPONSIVE
========================================= */

@media (max-width: 1024px) {
  .vblack-spec-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .vblack-cabinet-grid,
  .vblack-pitch-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .vblack-section {
    padding: 60px 18px;
  }

  .vblack-hero {
    min-height: 520px;
  }

  .vblack-hero h1 {
    font-size: 40px;
  }

  .vblack-overview,
  .vblack-visual-row,
  .vblack-app-grid,
  .vblack-feature-grid {
    grid-template-columns: 1fr;
  }

  .vblack-visual-row.reverse .vblack-visual-image {
    order: 0;
  }

  .vblack-heading h2,
  .vblack-overview-content h2,
  .vblack-cta h2 {
    font-size: 30px;
  }
}

@media (max-width: 600px) {
  .vblack-hero {
    padding: 70px 18px;
  }

  .vblack-hero h1 {
    font-size: 34px;
  }

  .vblack-hero p {
    font-size: 16px;
  }

  .vblack-btn {
    width: 100%;
    margin: 0 0 12px;
    text-align: center;
  }

  .vblack-btn-outline {
    margin-left: 0;
  }

  .vblack-spec-grid,
  .vblack-cabinet-grid,
  .vblack-pitch-grid,
  .vblack-check-list {
    grid-template-columns: 1fr;
  }

  .vblack-spec-item {
    border-right: none;
    border-bottom: 1px solid #e8ebef;
  }

  .vblack-spec-item:last-child {
    border-bottom: none;
  }
}