@charset "UTF-8";

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

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  color: #333;
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

a:active,
a:focus {
  outline: none;
  background: transparent;
  -webkit-tap-highlight-color: transparent;
}

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 20px;
  background: #FFF0E8;
  color: #FF6B1A;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  color: #1a1a1a;
  margin-bottom: 10px;
}

.section-header p {
  font-size: 16px;
  color: #888;
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .section {
    padding: 50px 0;
  }
  .section-header h2 {
    font-size: 24px;
  }
  .section-header p {
    font-size: 14px;
  }
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-logo img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.header-logo span {
  font-size: 18px;
  font-weight: 700;
  color: #FF6B1A;
}

.header-logo .logo-sub {
  font-size: 12px;
  font-weight: 400;
  color: #999;
  margin-left: 4px;
}

.header-nav ul {
  display: flex;
  gap: 32px;
}

.header-nav a {
  font-size: 15px;
  font-weight: 500;
  color: #555;
  transition: color 0.2s;
}

.header-nav a:hover {
  color: #FF6B1A;
}

.header-btn {
  display: inline-block;
  padding: 8px 22px;
  background: linear-gradient(135deg, #FF8C42, #FF6B1A);
  color: #fff !important;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(255,107,26,0.3);
  transition: opacity 0.2s;
}

.header-btn:hover {
  opacity: 0.9;
}

.header-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  width: 36px;
  height: 36px;
}

.header-toggle i {
  width: 24px;
  height: 24px;
  color: #333;
}

@media (max-width: 768px) {
  .header .container {
    height: 56px;
  }
  .header-nav {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }
  .header-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .header-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 10px 20px;
  }
  .header-nav li {
    border-bottom: 1px solid #f0f0f0;
  }
  .header-nav a {
    display: block;
    padding: 14px 0;
    font-size: 15px;
  }
  .header-toggle {
    display: block;
  }
  .header-desktop-btn {
    display: none;
  }
}

@media (min-width: 769px) {
  .header-toggle {
    display: none;
  }
}

/* ===== HERO ===== */
.hero {
  padding: 80px 0 100px;
  background: linear-gradient(160deg, #FFF8F2 0%, #FFFFFF 50%, #F0F7F4 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,26,0.08) 0%, transparent 70%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.hero-text h1 .highlight {
  background: linear-gradient(135deg, #FF8C42, #FF6B1A);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text .hero-subtitle {
  font-size: 18px;
  color: #666;
  margin-bottom: 12px;
}

.hero-text .hero-desc {
  font-size: 14px;
  color: #888;
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

.hero-btn:hover {
  transform: translateY(-2px);
}

.hero-btn-android {
  background: linear-gradient(135deg, #FF8C42, #FF6B1A);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255,107,26,0.35);
  border: 2px solid transparent;
}

.hero-btn-ios {
  background: #fff;
  color: #333;
  border: 2px solid #e0e0e0;
}

.hero-btn img {
  width: 22px;
  height: 22px;
}

.hero-stats {
  display: flex;
  gap: 36px;
}

.hero-stat-num {
  font-size: 26px;
  font-weight: 800;
  color: #FF6B1A;
}

.hero-stat-label {
  font-size: 13px;
  color: #888;
  margin-top: 2px;
}

.hero-phone {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-phone-frame {
  width: 280px;
  height: 560px;
  background: #fff;
  border-radius: 36px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.15);
  overflow: hidden;
  border: 7px solid #1a1a1a;
  position: relative;
}

.hero-phone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 22px;
  background: #1a1a1a;
  border-radius: 0 0 14px 14px;
  z-index: 5;
}

.hero-phone-screen {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.hero-phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-float-tag {
  position: absolute;
  background: #fff;
  padding: 10px 16px;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.hero-float-tag.t1 {
  top: 30px;
  right: 5px;
}

.hero-float-tag.t2 {
  bottom: 60px;
  left: -10px;
}

@media (max-width: 768px) {
  .hero {
    padding: 50px 0 60px;
  }
  .hero-content {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }
  .hero-text h1 {
    font-size: 30px;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-phone-frame {
    width: 220px;
    height: 440px;
  }
  .hero-float-tag.t1 {
    right: -10px;
  }
  .hero-float-tag.t2 {
    left: -20px;
  }
}

/* ===== FEATURES ===== */
.features {
  background: #fff;
}

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

.feature-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid #f0f0f0;
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(255,107,26,0.1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon i {
  width: 28px;
  height: 28px;
}

.feature-icon.c1 { background: linear-gradient(135deg, #FFE4D2, #FFD0B3); }
.feature-icon.c1 i { color: #FF6B1A; }
.feature-icon.c2 { background: linear-gradient(135deg, #D4EDDA, #B7E4C7); }
.feature-icon.c2 i { color: #2D6A4F; }
.feature-icon.c3 { background: linear-gradient(135deg, #FFF3CD, #FFE69C); }
.feature-icon.c3 i { color: #B8860B; }

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1a1a1a;
}

.feature-card p {
  font-size: 13px;
  color: #888;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (min-width: 769px) and (max-width: 992px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== SHOWCASE ===== */
.showcase {
  background: #FAFAFA;
}

.showcase-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 12px;
  margin: 0 -20px;
  padding-left: 20px;
  padding-right: 20px;
  scrollbar-width: thin;
  scrollbar-color: #d0d0d0 #f0f0f0;
}

.showcase-scroll::-webkit-scrollbar {
  height: 6px;
}

.showcase-scroll::-webkit-scrollbar-track {
  background: #f0f0f0;
  border-radius: 3px;
}

.showcase-scroll::-webkit-scrollbar-thumb {
  background: #d0d0d0;
  border-radius: 3px;
}

.showcase-scroll::-webkit-scrollbar-thumb:hover {
  background: #bbb;
}

.showcase-track {
  display: flex;
  gap: 24px;
  min-width: max-content;
}

.showcase-card {
  width: 220px;
  flex-shrink: 0;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(255,107,26,0.12);
}

.showcase-card-img {
  width: 100%;
  height: 360px;
  overflow: hidden;
  position: relative;
}

.showcase-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.showcase-card-meta {
  padding: 18px 20px;
}

.showcase-card-meta h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  color: #1a1a1a;
}

.showcase-card-meta p {
  font-size: 12px;
  color: #888;
}

@media (max-width: 768px) {
  .showcase-track {
    gap: 16px;
  }

  .showcase-card {
    width: 160px;
  }

  .showcase-card-img {
    height: 260px;
  }

  .showcase-card-meta {
    padding: 14px 16px;
  }

  .showcase-card-meta h4 {
    font-size: 14px;
  }

  .showcase-card-meta p {
    font-size: 11px;
  }
}

/* ===== VERSION ===== */
.version {
  background: #fff;
}

.version-timeline {
  max-width: 800px;
  margin: 0 auto;
}

.version-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px dashed #e8e8e8;
}

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

.version-date {
  text-align: right;
}

.version-ver {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 10px;
  background: #FFF0E8;
  color: #FF6B1A;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 6px;
}

.version-ymd {
  font-size: 12px;
  color: #aaa;
}

.version-body h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1a1a1a;
}

.version-body ul {
  padding: 0;
}

.version-body li {
  font-size: 13px;
  color: #666;
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}

.version-body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  background: #FF6B1A;
  border-radius: 50%;
}

@media (max-width: 480px) {
  .version-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .version-date {
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
  }
}

/* ===== PROCESS ===== */
.process {
  background: #FAFAFA;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, #FFE4D2, #FFB088, #FF8C42, #FFE4D2);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step-num {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #fff;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(255,107,26,0.12);
  border: 3px solid #FF6B1A;
}

.process-step-num i {
  width: 36px;
  height: 36px;
  color: #FF6B1A;
}

.process-step h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: #1a1a1a;
}

.process-step p {
  font-size: 13px;
  color: #888;
}

@media (max-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .process-steps::before {
    display: none;
  }
  .process-step-num {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 480px) {
  .process-steps {
    grid-template-columns: 1fr;
  }
}

/* ===== SUPPORT ===== */
.support {
  background: linear-gradient(135deg, #2D6A4F, #1B4332);
  color: #fff;
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.support-info h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 14px;
}

.support-info > p {
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.85;
  margin-bottom: 24px;
}

.support-contacts {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.support-contact {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.support-contact-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.support-contact-icon i {
  width: 18px;
  height: 18px;
  color: #fff;
}

.support-contact-text strong {
  display: block;
}

.support-contact-text span {
  opacity: 0.7;
  font-size: 12px;
}

.support-form {
  background: rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 28px;
  backdrop-filter: blur(10px);
}

.support-form h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 18px;
}

.support-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 14px;
  margin-bottom: 10px;
  outline: none;
  font-family: inherit;
  resize: vertical;
}

.support-input::placeholder {
  color: rgba(255,255,255,0.45);
}

.support-submit {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  background: #FF6B1A;
  color: #fff;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.support-submit:hover {
  opacity: 0.9;
}

@media (max-width: 768px) {
  .support-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .support-info h2 {
    font-size: 24px;
  }
}

/* ===== FAQ ===== */
.faq {
  background: #fff;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #eee;
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-question {
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: #1a1a1a;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.faq-question span:first-child {
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-qnum {
  width: 24px;
  height: 24px;
  background: #FF6B1A;
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.faq-arrow {
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-arrow i {
  width: 18px;
  height: 18px;
  color: #aaa;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 20px 18px 54px;
  font-size: 14px;
  color: #888;
  line-height: 1.8;
}

/* ===== REVIEWS ===== */
.reviews {
  background: #FAFAFA;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.review-user h5 {
  font-size: 14px;
  font-weight: 600;
}

.review-user span {
  font-size: 12px;
  color: #aaa;
}

.review-stars {
  color: #FFB800;
  font-size: 13px;
  margin-bottom: 12px;
  display: flex;
  gap: 2px;
}

.review-stars i {
  width: 14px;
  height: 14px;
}

.review-text {
  font-size: 13px;
  color: #666;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (min-width: 769px) and (max-width: 992px) {
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== CTA ===== */
.cta {
  background: linear-gradient(160deg, #FFF8F2 0%, #FFFFFF 100%);
  text-align: center;
}

.cta h2 {
  font-size: 36px;
  font-weight: 800;
  color: #1a1a1a;
  margin-bottom: 14px;
}

.cta > .container > p {
  font-size: 16px;
  color: #666;
  margin-bottom: 36px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 36px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

.cta-btn:hover {
  transform: translateY(-3px);
}

.cta-btn-android {
  background: linear-gradient(135deg, #FF8C42, #FF6B1A);
  color: #fff;
  box-shadow: 0 12px 36px rgba(255,107,26,0.4);
}

.cta-btn-ios {
  background: #fff;
  color: #333;
  border: 2px solid #e0e0e0;
}

.cta-btn img {
  width: 26px;
  height: 26px;
}

.cta-qrcodes {
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
}

.cta-qr {
  width: 130px;
  height: 130px;
  background: #f0f0f0;
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  margin-bottom: 10px;
}

.cta-qr img {
  width: 100%;
  height: 100%;
}

.cta-qr-label {
  font-size: 13px;
  color: #888;
  text-align: center;
}

@media (max-width: 768px) {
  .cta h2 {
    font-size: 26px;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }
  .cta-btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }
}

/* ===== FOOTER ===== */
.footer {
  background: #1a1a1a;
  color: #aaa;
  padding: 50px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .header-logo {
  margin-bottom: 14px;
}

.footer-brand .header-logo span {
  color: #fff;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: #888;
  padding: 5px 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: #FF6B1A;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.footer-socials a {
  color: #888;
  font-size: 13px;
  transition: color 0.2s;
}

.footer-socials a:hover {
  color: #FF6B1A;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
}