@charset "utf-8";

/* ========== Reset & Variables ========== */
*, *::before, *::after { box-sizing: border-box; }

body, dd, div, dl, footer, form, h1, h2, h3, h4, h5, h6, header, iframe, input, label, menu, nav, ol, p, section, select, textarea, ul, li {
  margin: 0;
  padding: 0;
}

ul, li { list-style: none; }

a { text-decoration: none; color: inherit; }

img { max-width: 100%; display: block; }

:root {
  --primary: #674fff;
  --primary-light: #9b8bff;
  --primary-dark: #4838d9;
  --primary-gradient: linear-gradient(158deg, #674fff 0%, #9b8bff 100%);
  --font-family: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --fw-regular: 400;
  --fw-medium: 600;
  --text: #1d2129;
  --text-muted: #4e5969;
  --text-light: #86909c;
  --bg-gray: #f7f8fa;
  --bg-tint: #f9f8ff;
  --bg-purple: #f5f3ff;
  --white: #ffffff;
  --container: 1280px;
  --nav-h: 65px;
  --section-title-size: 36px;
  --section-title-lh: 44px;
  --section-title-color: #1d2129;
  --section-title-weight: 500;
  --section-desc-size: 16px;
  --section-desc-lh: 24px;
  --section-desc-color: #674fff;
  --section-head-gap: 56px;
  --subsection-gradient: linear-gradient(90deg, #2a2a2a 0%, #715aff 100%);
  --tool-icon-bg: linear-gradient(135deg, rgba(103, 79, 255, 0.15) 0%, rgba(103, 79, 255, 0.05) 100%);
  --feature-card-gradient: linear-gradient(180deg, #faf9ff 0%, #f5f3ff 100%);
  --advantage-card-gradient: linear-gradient(144.57deg, rgba(103, 79, 255, 0.15) 0%, rgba(103, 79, 255, 0.05) 100%);
}

h1, h2, h3, h4, h5, h6 { font-weight: inherit; }

html { scroll-behavior: smooth; }

body.vp-home {
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: var(--fw-regular);
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

.vp-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== Buttons ========== */
.vp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  border-radius: 8px;
  transition: background 0.2s, transform 0.15s;
}

.vp-btn-primary {
  height: 52px;
  padding: 0 32px;
  background: var(--primary-gradient);
  color: var(--white);
  font-weight: 600;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(103, 79, 255, 0.4);
}

.vp-btn-primary:hover {
  filter: brightness(0.95);
}

.vp-btn-nav {
  height: 38px;
  padding: 0 20px;
  background: var(--primary-gradient);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  flex-shrink: 0;
  box-shadow: 0 4px 8px rgba(103, 79, 255, 0.35);
}

.vp-btn-nav:hover { filter: brightness(0.95); }

/* ========== Nav ========== */
.vp-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(103, 79, 255, 0.1);
  box-shadow: 0 2px 24px rgba(103, 79, 255, 0.09);
  z-index: 1000;
}

.vp-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.vp-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.vp-logo img { width: 40px; height: 40px; }

.vp-logo span {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.vp-nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}

.vp-nav-link {
  font-size: 14px;
  font-weight: var(--fw-regular);
  color: var(--text);
  white-space: nowrap;
  position: relative;
  padding-bottom: 4px;
}

.vp-nav-link:hover { color: var(--primary); }

.vp-nav-link.active {
  color: var(--primary);
  font-weight: var(--fw-medium);
}

.vp-nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 999px;
}

/* ========== Hero ========== */
.vp-hero {
  height: 730px;
  padding-top: 16px;
  padding-bottom: 0;
  background: linear-gradient(
    171.61deg,
    #f5f3ff 8.49%,
    #ede8ff 41.7%,
    #e8e3ff 66.61%,
    #f0eeff 91.51%
  );
  overflow: hidden;
}

.vp-hero-inner {
  display: flex;
  align-items: center;
  position: relative;
  min-height: 554px;
  height: 554px;
}

.vp-hero-content {
  position: relative;
  z-index: 1;
  max-width: 739px;
}

.vp-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 6px 16px;
  background: rgba(103, 79, 255, 0.1);
  border: 1px solid rgba(103, 79, 255, 0.18);
  border-radius: 100px;
  font-size: 12px;
  line-height: 20px;
  color: var(--primary);
  margin-bottom: 24px;
}

.vp-hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.vp-hero-title {
  font-size: 56px;
  font-weight: 600;
  line-height: 64px;
  color: #101828;
  margin-bottom: 0;
}

.vp-hero-subtitle {
  font-size: 36px;
  font-weight: 600;
  line-height: 44px;
  margin-top: 16px;
  margin-bottom: 0;
  background: linear-gradient(90deg, #2a2a2a 0%, #715aff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.vp-hero-desc {
  font-size: 16px;
  line-height: 24px;
  color: #86909c;
  max-width: 527px;
  margin-top: 20px;
  margin-bottom: 32px;
}

.vp-hero .vp-btn-primary {
  min-width: 160px;
  padding: 0 48px;
}

.vp-hero-visual {
  position: absolute;
  top: 40px;
  left: 586px;
  width: 773px;
  height: 503px;
  background: transparent;
}

.vp-hero-visual img {
  width: 773px;
  height: 503px;
  max-width: none;
  object-fit: contain;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.vp-hero-stats {
  height: 160px;
  background: #090110 url(/statics/vitapic/images/hero/app-desc-bk.webp) center / cover no-repeat;
}

.vp-hero-stats-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  height: 100%;
}

.vp-hero-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.vp-hero-stat-num {
  font-family: Arial, var(--font-family);
  font-size: 40px;
  line-height: 40px;
  font-weight: var(--fw-medium);
  color: #fff;
}

.vp-hero-stat-num span {
  font-family: var(--font-family);
}

.vp-hero-stat-label {
  font-size: 18px;
  line-height: 24px;
  font-weight: 600;
  color: #d6c9ff;
}

/* ========== Sections common ========== */
.vp-section {
  padding: 96px 0;
}

#features.vp-section {
  padding-bottom: 0;
}

.vp-section-gray { background: var(--bg-gray); }

.vp-section-tint { background: var(--bg-tint); }

.vp-section-purple { background: var(--bg-purple); }

.vp-section-head {
  text-align: center;
  margin-bottom: var(--section-head-gap);
}

.vp-section-title {
  font-size: var(--section-title-size);
  font-weight: var(--section-title-weight);
  line-height: var(--section-title-lh);
  color: var(--section-title-color);
  font-synthesis: none;
  margin-bottom: 12px;
}

.vp-section-desc {
  font-size: var(--section-desc-size);
  font-weight: var(--fw-regular);
  line-height: var(--section-desc-lh);
  color: var(--section-desc-color);
}

.vp-subsection-title {
  display: inline-block;
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
  margin-bottom: 24px;
  background-image: var(--subsection-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.vp-subsection-title-tools { margin-top: 40px; }

/* ========== Features grid ========== */
.vp-feature-grid {
  display: grid;
  gap: 20px 24px;
}

.vp-feature-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.vp-feature-card {
  min-height: 322px;
  background: var(--feature-card-gradient);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(103, 79, 255, 0.13);
  transition: box-shadow 0.2s;
}

.vp-feature-card:hover {
  box-shadow: 0 8px 24px rgba(103, 79, 255, 0.12);
}

.vp-feature-card img {
  width: 100%;
  max-width: 334px;
  height: 180px;
  object-fit: cover;
  border-radius: 7px 7px 0 0;
  margin-bottom: 16px;
  background: #eef2f8;
}

.vp-feature-card h4 {
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
  margin-bottom: 8px;
}

.vp-feature-card p {
  font-size: 14px;
  line-height: 22px;
  color: var(--text-muted);
}

/* Tools panel */
.vp-tools-panel {
  background: #fbfaff;
  border: 1px solid rgba(103, 79, 255, 0.1);
  border-radius: 16px;
  padding: 24px 32px;
}

.vp-tools-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  row-gap: 24px;
}

.vp-tool-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  width: calc(33.333% - 16px);
}

.vp-tool-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--tool-icon-bg);
  border-radius: 12px;
}

.vp-tool-icon img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.vp-tool-item strong {
  display: block;
  font-size: 14px;
  line-height: 22px;
  font-weight: var(--fw-medium);
  margin-bottom: 4px;
}

.vp-tool-item span {
  font-size: 12px;
  color: var(--text-light);
  line-height: 20px;
}

.vp-tool-item--more {
  align-items: center;
}

.vp-tool-item--more .vp-tool-more-label {
  display: block;
  font-size: 14px;
  line-height: 22px;
  font-weight: var(--fw-medium);
  color: var(--text);
  margin: 0;
}

/* ========== Product blocks ========== */
.vp-product-block {
  position: relative;
  height: 704px;
  padding: 0;
  box-sizing: border-box;
}

.vp-product-block .vp-container {
  max-width: 1320px;
  height: 704px;
  padding: 0;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.vp-product-block .vp-section-head {
  flex: 0 0 76px;
  height: 76px;
  margin-top: 96px;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0;
  box-sizing: border-box;
}

.vp-product-row {
  display: flex;
  flex: 1;
  min-height: 0;
  height: 532px;
  align-items: flex-start;
  gap: 80px;
}

.vp-product-row-reverse { flex-direction: row-reverse; }

.vp-product-media {
  flex: 0 0 636px;
  width: 636px;
  max-width: 636px;
  height: 456px;
  margin-top: 60px;
}

.vp-product-media img {
  display: block;
  width: 636px;
  height: 456px;
  max-width: 100%;
}

.vp-product-info {
  flex: 1;
  min-width: 0;
  max-width: 604px;
  align-self: flex-start;
  margin-top: 100px;
}

.vp-product-intro {
  font-size: 16px;
  line-height: 28px;
  font-weight: 400;
  color: #1d2129;
  margin-bottom: 0;
}

.vp-product-list {
  margin-top: 24px;
  margin-bottom: 0;
  padding-top: 0;
}

.vp-product-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 22px;
  font-weight: 400;
  color: #4838d9;
}

.vp-product-list li:first-child {
  margin-top: 0;
}

.vp-product-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  border-radius: 0;
  background: url(/statics/vitapic/images/product/flagicon.png) center / 20px 20px no-repeat;
}

.vp-product-info .vp-btn-primary {
  width: 192px;
  min-width: 192px;
  height: 52px;
  padding: 0;
  margin-top: 40px;
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  color: #ffffff;
}

/* ========== Steps ========== */
.vp-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.vp-step-card {
  padding: 0 20px;
}

.vp-step-num {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  border-radius: 16px;
  background: linear-gradient(135deg, #674fff 0%, #9b8bff 100%);
  box-shadow: 0 8px 12px rgba(103, 79, 255, 0.35);
  color: var(--white);
  font-family: "Barlow Condensed", "DIN Alternate", "DIN Condensed", "Arial Narrow", sans-serif;
  font-size: 40px;
  font-weight: 700;
  line-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vp-step-card h4 {
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
  margin-bottom: 12px;
}

.vp-step-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 22px;
  max-width: 298px;
  margin: 0 auto;
}

/* ========== Advantages ========== */
.vp-advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.vp-advantage-card {
  background: var(--advantage-card-gradient);
  border-radius: 16px;
  padding: 32px 24px;
  min-height: 240px;
  text-align: center;
  border: 1px solid #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.vp-advantage-card img {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: transparent;
  border-radius: 0;
  object-fit: contain;
  flex-shrink: 0;
}

.vp-advantage-card h4 {
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
  margin-bottom: 12px;
}

.vp-advantage-card p {
  font-size: 14px;
  line-height: 22px;
  color: var(--text-light);
}

/* ========== Scenarios ========== */
.vp-scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  max-width: 1310px;
  margin: 0 auto;
}

.vp-scenario-card {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  min-height: 272px;
}

.vp-scenario-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 272px;
  background: linear-gradient(135deg, #674fff 0%, #9b8bff 100%);
}

.vp-scenario-text {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 20px 40px;
  background: linear-gradient(to bottom, rgba(250, 249, 255, 0.7) 4.44%, #faf9ff 100%);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  color: var(--text);
  text-align: center;
}

.vp-scenario-text h4 {
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
  margin-bottom: 12px;
  color: var(--text);
}

.vp-scenario-text p {
  font-size: 14px;
  line-height: 22px;
  color: var(--text-muted);
}

/* ========== Reviews ========== */
.vp-section-reviews {
  background: linear-gradient(to right, #090110, #190776);
}

.vp-section-reviews .vp-section-title {
  color: var(--white);
}

.vp-section-reviews .vp-section-desc {
  color: #d6c9ff;
}

.vp-review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.vp-review-card {
  min-height: 260px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(226, 173, 255, 0.2) 100%);
  border-radius: 16px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
}

.vp-review-quote {
  position: absolute;
  top: 181px;
  right: 36.37px;
  width: 39.7px;
  height: 30.3px;
  object-fit: contain;
  pointer-events: none;
}

.vp-review-card h4 {
  font-size: 16px;
  font-weight: var(--fw-medium);
  line-height: 24px;
  color: #d6c9ff;
  margin-bottom: 12px;
}

.vp-review-card > p {
  font-size: 14px;
  line-height: 22px;
  color: var(--white);
  margin-bottom: 24px;
  min-height: 66px;
}

.vp-review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.vp-review-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  object-fit: cover;
}

.vp-review-author span {
  font-size: 16px;
  font-weight: var(--fw-medium);
  line-height: 24px;
  color: #f4f0ff;
}

/* ========== FAQ ========== */
.vp-faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.vp-faq-item {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--white);
  padding: 16px 24px;
}

.vp-faq-q {
  font-size: 16px;
  line-height: 24px;
  font-weight: var(--fw-medium);
  color: var(--text);
  margin-bottom: 8px;
}

.vp-faq-a {
  display: block;
}

.vp-faq-a p {
  font-size: 14px;
  line-height: 22px;
  color: var(--text-muted);
}

/* ========== CTA ========== */
.vp-cta {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 380px;
  padding: 0;
  background:
    url('/statics/vitapic/images/cta/deco.png') center / cover no-repeat,
    linear-gradient(135deg, #674fff 0%, #4838d9 50%, #190776 100%);
  overflow: hidden;
  text-align: center;
  color: var(--white);
}

.vp-cta-inner { position: relative; z-index: 1; }

.vp-cta h2 {
  font-size: 48px;
  font-weight: var(--fw-medium);
  line-height: 56px;
  margin-bottom: 16px;
}

.vp-cta p {
  font-size: 20px;
  line-height: 28px;
  color: #f3e8ff;
  margin-bottom: 32px;
}

.vp-btn-cta {
  height: 52px;
  padding: 0 48px;
  background: var(--white);
  color: var(--primary);
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.vp-btn-cta:hover {
  background: #faf9ff;
}

/* ========== Footer ========== */
.vp-footer {
  padding: 32px 0;
  background: #0d0b2e;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.vp-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.vp-footer-copy {
  font-size: 14px;
  line-height: 22px;
  color: var(--text-light);
}

.vp-footer-copy a {
  color: var(--text-light);
  margin-left: 4px;
}

.vp-footer-copy a:hover { color: var(--primary); }

.vp-footer-slogan {
  font-size: 14px;
  line-height: 22px;
  color: var(--text-light);
}

/* ========== Responsive ========== */
@media (max-width: 1200px) {
  .vp-feature-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .vp-advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .vp-scenario-grid { grid-template-columns: repeat(2, 1fr); gap: 2px; }
  .vp-tool-item { width: calc(50% - 12px); }
}

@media (max-width: 992px) {
  .vp-nav-links { display: none; }
  .vp-hero {
    height: auto;
    padding-bottom: 0;
  }
  .vp-hero-inner {
    flex-direction: column;
    min-height: auto;
    height: auto;
  }
  .vp-hero-visual {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    width: 100%;
    height: auto;
    max-width: 773px;
  }
  .vp-hero-visual img {
    width: 100%;
    height: auto;
    max-width: 100%;
  }
  .vp-hero-stats { height: auto; }
  .vp-hero-stats-list {
    flex-wrap: wrap;
    gap: 24px 40px;
    padding: 32px 0;
  }
  .vp-hero-stat { flex: 1 1 40%; }
  .vp-product-block {
    height: auto;
    min-height: 0;
    padding: 0;
  }
  .vp-product-block .vp-container {
    height: auto;
    padding: 0 20px;
  }
  .vp-product-block .vp-section-head {
    flex: none;
    height: auto;
    margin-top: 48px;
    padding: 0 0 32px;
  }
  .vp-product-row,
  .vp-product-row-reverse {
    flex-direction: column;
    gap: 40px;
    height: auto;
  }
  .vp-product-media {
    flex: none;
    width: 100%;
    max-width: 636px;
    height: auto;
    margin-top: 0;
  }
  .vp-product-media img {
    width: 100%;
    height: auto;
    aspect-ratio: 636 / 456;
  }
  .vp-product-info {
    max-width: 100%;
    margin-top: 0;
  }
  .vp-steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .vp-tool-item { width: 100%; }
  .vp-review-grid { grid-template-columns: 1fr; }
  .vp-cta { height: auto; padding: 64px 0; }
  .vp-cta h2 { font-size: 32px; line-height: 40px; }
  .vp-cta p { font-size: 16px; line-height: 24px; }
}

@media (max-width: 640px) {
  .vp-hero-title { font-size: 36px; line-height: 44px; }
  .vp-hero-subtitle { font-size: 24px; line-height: 32px; }
  .vp-section-title { font-size: 24px; line-height: 32px; }
  .vp-feature-grid-3 { grid-template-columns: 1fr; }
  .vp-advantage-grid { grid-template-columns: 1fr; }
  .vp-scenario-grid { grid-template-columns: 1fr; }
  .vp-nav-inner { padding: 0 16px; }
}