/* =========================================================
   车速批 · 官网主题
   简约大方 · 全屏分页滚动 · 内容过渡动画
   ========================================================= */

:root {
  --dcd-orange: #e62129;
  --dcd-orange-hover: #ff3b42;
  --dcd-orange-soft: rgba(230, 33, 41, 0.08);
  --dcd-orange-glow: rgba(230, 33, 41, 0.22);
  --dcd-black: #1a1a1a;
  --dcd-text: #333333;
  --dcd-text-2: #666666;
  --dcd-text-3: #999999;
  --dcd-border: #ececec;
  --dcd-border-2: #f0f0f0;
  --dcd-bg: #f5f6f8;
  --dcd-white: #ffffff;
  --dcd-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --dcd-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
  --dcd-radius: 8px;
  --dcd-radius-lg: 12px;
  --dcd-header-h: 64px;
  --dcd-trust-h: 36px;
  --dcd-container: 1200px;
  --dcd-font: "PingFang SC", "Microsoft YaHei", "微软雅黑", "Helvetica Neue",
    Arial, sans-serif;
  --dcd-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --fp-duration: 850ms;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--dcd-font);
  color: var(--dcd-text);
  background: var(--dcd-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.fp-enabled {
  overflow: hidden;
  height: 100%;
}

html.fp-lock,
html.fp-lock body {
  overflow: hidden;
  height: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--dcd-ease);
}

a:hover {
  color: var(--dcd-orange);
}

img {
  max-width: 100%;
  height: auto;
  border: 0;
  vertical-align: middle;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--dcd-container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- top trust bar ---------- */
.trust-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: var(--dcd-white);
  border-bottom: 1px solid var(--dcd-border);
  font-size: 12px;
  color: var(--dcd-text-3);
  line-height: var(--dcd-trust-h);
  height: var(--dcd-trust-h);
}

.trust-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: nowrap;
  height: 100%;
}

.trust-bar a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--dcd-text-2);
  white-space: nowrap;
}

.trust-bar a:hover {
  color: var(--dcd-orange);
}

/* ---------- header / nav ---------- */
.site-header {
  position: fixed;
  top: var(--dcd-trust-h);
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--dcd-header-h);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.25s var(--dcd-ease), border-color 0.25s var(--dcd-ease),
    background 0.25s;
}

.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border-bottom-color: var(--dcd-border);
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--dcd-black);
}

.brand img {
  height: 36px;
  width: auto;
  display: block;
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: center;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-main::-webkit-scrollbar {
  display: none;
}

.nav-main a {
  position: relative;
  display: block;
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--dcd-text);
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav-main a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--dcd-orange);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.25s var(--dcd-ease);
}

.nav-main a:hover,
.nav-main a.is-active {
  color: var(--dcd-orange);
  background: var(--dcd-orange-soft);
}

.nav-main a:hover::after,
.nav-main a.is-active::after {
  width: 16px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 16px;
  border-radius: 18px;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.25s var(--dcd-ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--dcd-orange);
  color: #fff !important;
  box-shadow: 0 6px 16px var(--dcd-orange-glow);
}

.btn-primary:hover {
  background: var(--dcd-orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px var(--dcd-orange-glow);
}

.btn-ghost {
  background: var(--dcd-orange-soft);
  color: var(--dcd-orange) !important;
}

.btn-ghost:hover {
  background: rgba(230, 33, 41, 0.14);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  color: var(--dcd-black);
  background: var(--dcd-bg);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background 0.2s;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 0.25s var(--dcd-ease), top 0.25s;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle.is-open span {
  background: transparent;
}

.nav-toggle.is-open span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.is-open span::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: calc(var(--dcd-trust-h) + var(--dcd-header-h));
  left: 0;
  right: 0;
  z-index: 999;
  background: #fff;
  border-bottom: 1px solid var(--dcd-border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  padding: 12px 16px 16px;
  flex-direction: column;
  gap: 4px;
  max-height: calc(100vh - var(--dcd-trust-h) - var(--dcd-header-h));
  overflow-y: auto;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s var(--dcd-ease);
}

.mobile-nav.is-open {
  display: flex;
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.mobile-nav a {
  display: block;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--dcd-text);
}

.mobile-nav a.is-active,
.mobile-nav a:hover {
  background: var(--dcd-orange-soft);
  color: var(--dcd-orange);
}

/* ---------- fullpage wrapper ---------- */
.fp-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  transition: transform var(--fp-duration) var(--dcd-ease);
  will-change: transform;
  z-index: 1;
}

.fp-section {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: var(--dcd-bg);
  flex-shrink: 0;
}

.fp-section.section-alt {
  background: var(--dcd-white);
}

.fp-section-footer {
  background: #141414;
  display: flex;
  flex-direction: column;
}

.section-pad {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--dcd-trust-h) + var(--dcd-header-h) + 12px);
  padding-bottom: 20px;
  overflow: hidden;
}

/* 每屏内容区：不出现滚动条，内容需适配一屏 */
.section-fit {
  width: 100%;
  overflow: hidden;
}

/* side dots */
.fp-dots {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fp-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.18);
  border: 2px solid transparent;
  transition: all 0.25s var(--dcd-ease);
  padding: 0;
}

.fp-dots button:hover {
  background: rgba(230, 33, 41, 0.45);
}

.fp-dots button.is-active {
  background: var(--dcd-orange);
  box-shadow: 0 0 0 4px var(--dcd-orange-soft);
  transform: scale(1.15);
}

/* content enter animation */
.anim {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s var(--dcd-ease), transform 0.7s var(--dcd-ease);
  transition-delay: 0ms;
}

.anim[data-anim="left"] {
  transform: translateX(-40px);
}

.anim[data-anim="right"] {
  transform: translateX(40px);
}

.anim[data-anim="scale"] {
  transform: scale(0.94);
}

.fp-section.is-active .anim,
.fp-section.has-animated .anim {
  opacity: 1;
  transform: none;
}

.fp-section.is-active .anim[data-delay="60"],
.fp-section.has-animated .anim[data-delay="60"] {
  transition-delay: 60ms;
}
.fp-section.is-active .anim[data-delay="80"],
.fp-section.has-animated .anim[data-delay="80"] {
  transition-delay: 80ms;
}
.fp-section.is-active .anim[data-delay="100"],
.fp-section.has-animated .anim[data-delay="100"] {
  transition-delay: 100ms;
}
.fp-section.is-active .anim[data-delay="120"],
.fp-section.has-animated .anim[data-delay="120"] {
  transition-delay: 120ms;
}
.fp-section.is-active .anim[data-delay="160"],
.fp-section.has-animated .anim[data-delay="160"] {
  transition-delay: 160ms;
}
.fp-section.is-active .anim[data-delay="180"],
.fp-section.has-animated .anim[data-delay="180"] {
  transition-delay: 180ms;
}
.fp-section.is-active .anim[data-delay="240"],
.fp-section.has-animated .anim[data-delay="240"] {
  transition-delay: 240ms;
}
.fp-section.is-active .anim[data-delay="300"],
.fp-section.has-animated .anim[data-delay="300"] {
  transition-delay: 300ms;
}
.fp-section.is-active .anim[data-delay="320"],
.fp-section.has-animated .anim[data-delay="320"] {
  transition-delay: 320ms;
}
.fp-section.is-active .anim[data-delay="360"],
.fp-section.has-animated .anim[data-delay="360"] {
  transition-delay: 360ms;
}
.fp-section.is-active .anim[data-delay="420"],
.fp-section.has-animated .anim[data-delay="420"] {
  transition-delay: 420ms;
}
.fp-section.is-active .anim[data-delay="480"],
.fp-section.has-animated .anim[data-delay="480"] {
  transition-delay: 480ms;
}

/* ---------- section common ---------- */
.section-head {
  text-align: center;
  margin-bottom: 28px;
}

.section-head .eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--dcd-orange-soft);
  color: var(--dcd-orange);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
}

.section-head h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: var(--dcd-black);
  margin-bottom: 8px;
}

.section-head p {
  max-width: 680px;
  margin: 0 auto;
  color: var(--dcd-text-2);
  font-size: 14px;
  line-height: 1.8;
}

.sub-head {
  text-align: center;
  margin: 28px 0 18px;
}

.sub-head h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--dcd-black);
  margin-bottom: 6px;
}

.sub-head p {
  color: var(--dcd-text-3);
  font-size: 13px;
}

/* ---------- hero download (dongchedi-like simple) ---------- */
.hero-dl {
  position: relative;
  height: 100%;
  overflow: hidden;
  background: #fff;
  display: flex;
  flex-direction: column;
}

.hero-dl-main {
  position: relative;
  z-index: 2;
  flex: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: center;
  padding-top: calc(var(--dcd-trust-h) + var(--dcd-header-h) + 12px);
  padding-bottom: 100px;
}

.hero-dl-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
}

.hero-orbit {
  position: relative;
  width: min(420px, 46vw);
  height: min(420px, 46vw);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-app-badge {
  width: 156px;
  height: 156px;
  border-radius: 50%;
  background: transparent;
  box-shadow: 0 18px 50px rgba(230, 33, 41, 0.22);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  overflow: hidden;
}

.hero-app-badge img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 50%;
}

.orbit-dot,
.orbit-icon {
  position: absolute;
  border-radius: 50%;
  background: rgba(230, 33, 41, 0.12);
}

.orbit-dot {
  width: 18px;
  height: 18px;
  animation: floaty 4.5s ease-in-out infinite;
}

.orbit-dot.d1 { width: 12px; height: 12px; top: 12%; left: 28%; }
.orbit-dot.d2 { width: 22px; height: 22px; top: 22%; right: 18%; animation-delay: 0.4s; }
.orbit-dot.d3 { width: 10px; height: 10px; bottom: 24%; left: 18%; animation-delay: 0.8s; }
.orbit-dot.d4 { width: 16px; height: 16px; bottom: 14%; right: 28%; animation-delay: 1.1s; }
.orbit-dot.d5 { width: 28px; height: 28px; top: 48%; left: 6%; animation-delay: 0.2s; background: rgba(230, 33, 41, 0.08); }
.orbit-dot.d6 { width: 14px; height: 14px; top: 8%; right: 40%; animation-delay: 1.4s; }

.orbit-icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: linear-gradient(145deg, #ff5a60, var(--dcd-orange));
  box-shadow: 0 10px 24px rgba(230, 33, 41, 0.22);
  font-size: 18px;
  animation: floaty 5s ease-in-out infinite;
}

.orbit-icon.i1 { top: 6%; left: calc(50% - 27px); }
.orbit-icon.i2 { top: 30%; right: 4%; animation-delay: 0.5s; }
.orbit-icon.i3 { bottom: 16%; right: 14%; animation-delay: 1s; }
.orbit-icon.i4 { bottom: 18%; left: 10%; animation-delay: 1.3s; }
.orbit-icon.i5 { top: 36%; left: 2%; animation-delay: 0.7s; }

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.hero-dl-copy {
  max-width: 460px;
}

.hero-dl-copy h1 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  color: var(--dcd-black);
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.hero-dl-meta {
  font-size: 14px;
  line-height: 1.9;
  color: var(--dcd-text-2);
  margin-bottom: 28px;
}

.hero-dl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.btn-dl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 168px;
  height: 50px;
  padding: 0 28px;
  border-radius: 999px;
  background: #1a1a1a;
  color: #fff !important;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
  transition: transform 0.25s var(--dcd-ease), background 0.25s, box-shadow 0.25s;
}

.btn-dl:hover {
  background: var(--dcd-orange);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px var(--dcd-orange-glow);
}

.btn-dl-ios {
  background: #fff;
  color: #1a1a1a !important;
  border: 1px solid #d8d8d8;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.btn-dl-ios:hover {
  background: #f5f5f5;
  color: #1a1a1a !important;
  border-color: #1a1a1a;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
}

.btn-dl-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid var(--dcd-border);
  color: var(--dcd-text) !important;
  font-size: 15px;
  font-weight: 600;
  background: #fff;
  transition: all 0.25s var(--dcd-ease);
}

.btn-dl-ghost:hover {
  border-color: var(--dcd-orange);
  color: var(--dcd-orange) !important;
  background: var(--dcd-orange-soft);
}

.hero-dl-tip {
  font-size: 12px;
  color: var(--dcd-text-3);
}

.hero-dl-wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 26vh;
  min-height: 160px;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.hero-dl-wave::before {
  content: "";
  position: absolute;
  left: -20%;
  right: -20%;
  bottom: -55%;
  height: 140%;
  border-radius: 50% 50% 0 0;
  background: linear-gradient(180deg, #ff6a6f 0%, var(--dcd-orange) 55%, #c91820 100%);
}

.hero-dl-wave::after {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: -62%;
  height: 130%;
  border-radius: 50% 50% 0 0;
  background: rgba(255, 255, 255, 0.12);
}

.scroll-hint-dark {
  color: rgba(255, 255, 255, 0.95) !important;
  bottom: 22px;
  z-index: 5;
}

/* legacy hero (kept for safety) */
.hero {
  position: relative;
  height: 100%;
  overflow: hidden;
  background: #111;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1s var(--dcd-ease), transform 7s linear;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    105deg,
    rgba(0, 0, 0, 0.78) 0%,
    rgba(0, 0, 0, 0.42) 48%,
    rgba(0, 0, 0, 0.22) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
  padding-top: calc(var(--dcd-trust-h) + var(--dcd-header-h));
  padding-bottom: 80px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-radius: 20px;
  background: rgba(230, 33, 41, 0.18);
  border: 1px solid rgba(230, 33, 41, 0.45);
  color: #ffc9cb;
  font-size: 13px;
  font-weight: 600;
  width: fit-content;
  backdrop-filter: blur(6px);
}

.hero-kicker i {
  color: var(--dcd-orange);
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.hero h1 span {
  color: var(--dcd-orange);
}

.hero-desc {
  max-width: 640px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-actions .btn {
  height: 44px;
  padding: 0 24px;
  border-radius: 22px;
  font-size: 15px;
}

.btn-white {
  background: #fff;
  color: var(--dcd-black) !important;
}

.btn-white:hover {
  background: #fff0f1;
  color: var(--dcd-orange) !important;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  max-width: 720px;
}

.hs-item {
  min-width: 100px;
}

.hs-item strong {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hs-item span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.hero-dots {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 56px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.hero-dots button {
  width: 24px;
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.35);
  transition: all 0.25s var(--dcd-ease);
}

.hero-dots button.is-active {
  width: 36px;
  background: var(--dcd-orange);
}

.scroll-hint {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 12px;
  animation: bounceHint 1.8s infinite;
}

.scroll-hint i {
  font-size: 18px;
}

@keyframes bounceHint {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(6px);
  }
}

/* ---------- about ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 20px;
  align-items: stretch;
}

.about-visual {
  position: relative;
  border-radius: var(--dcd-radius-lg);
  overflow: hidden;
  min-height: 360px;
  height: 100%;
  background: #111;
  box-shadow: var(--dcd-shadow);
}

.about-visual .cover-slider {
  position: absolute;
  inset: 0;
}

.about-visual .cover-slider__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.8s var(--dcd-ease);
}

.about-visual .cover-slider__slide.is-active {
  opacity: 1;
}

.about-visual .hide {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.about-panel {
  background: var(--dcd-white);
  border-radius: var(--dcd-radius-lg);
  box-shadow: var(--dcd-shadow);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-panel h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--dcd-black);
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-panel h3::before {
  content: "";
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--dcd-orange);
}

.about-panel > p {
  color: var(--dcd-text-2);
  font-size: 14px;
  line-height: 1.85;
  text-align: justify;
}

.about-link-tip a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--dcd-orange);
  font-size: 13px;
  font-weight: 600;
}

.mini-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.mini-stats div {
  background: var(--dcd-bg);
  border-radius: 8px;
  padding: 10px 6px;
  text-align: center;
}

.mini-stats strong {
  display: block;
  color: var(--dcd-orange);
  font-size: 16px;
  font-weight: 800;
}

.mini-stats span {
  font-size: 11px;
  color: var(--dcd-text-3);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.news-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--dcd-text);
  line-height: 1.45;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.news-list a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dcd-orange);
  flex-shrink: 0;
  opacity: 0.7;
}

.news-list a:hover {
  background: var(--dcd-orange-soft);
  color: var(--dcd-orange);
  transform: translateX(4px);
}

/* ---------- timeline ---------- */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.timeline::before {
  content: none;
}

.tl-item {
  position: relative;
}

.tl-year {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  height: 28px;
  padding: 0 12px;
  margin-bottom: 10px;
  border-radius: 14px;
  background: var(--dcd-orange);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.tl-card {
  background: var(--dcd-white);
  border: 1px solid var(--dcd-border);
  border-radius: var(--dcd-radius-lg);
  padding: 16px 16px 18px;
  height: calc(100% - 38px);
  box-shadow: var(--dcd-shadow);
  transition: transform 0.3s var(--dcd-ease), box-shadow 0.3s;
}

.tl-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--dcd-shadow-hover);
}

.tl-card h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--dcd-black);
  margin-bottom: 8px;
}

.tl-card p {
  font-size: 13px;
  color: var(--dcd-text-2);
  line-height: 1.7;
}

/* ---------- features ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature-card {
  position: relative;
  background: var(--dcd-white);
  border: 1px solid var(--dcd-border);
  border-radius: var(--dcd-radius-lg);
  padding: 20px 18px 18px;
  box-shadow: var(--dcd-shadow);
  transition: transform 0.3s var(--dcd-ease), box-shadow 0.3s, border-color 0.3s;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--dcd-shadow-hover);
  border-color: rgba(230, 33, 41, 0.2);
}

.feature-card-ai {
  background: linear-gradient(145deg, #fff 0%, #fff5f5 100%);
  border-color: rgba(230, 33, 41, 0.25);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ff5a60, var(--dcd-orange));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 12px;
}

.feature-card h4 {
  font-size: 16px;
  font-weight: 800;
  color: var(--dcd-black);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 13px;
  color: var(--dcd-text-2);
  line-height: 1.7;
  min-height: 66px;
}

.feature-tag {
  display: inline-block;
  margin-top: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--dcd-orange-soft);
  color: var(--dcd-orange);
  font-size: 11px;
  font-weight: 700;
}

/* ---------- model ---------- */
.model-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 8px;
}

.model-card {
  background: var(--dcd-bg);
  border-radius: var(--dcd-radius-lg);
  padding: 22px 18px;
  border: 1px solid var(--dcd-border);
  transition: transform 0.3s, box-shadow 0.3s;
}

.model-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--dcd-shadow);
  background: #fff;
}

.model-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--dcd-orange-soft);
  color: var(--dcd-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 12px;
}

.model-card h4 {
  font-size: 16px;
  font-weight: 800;
  color: var(--dcd-black);
  margin-bottom: 8px;
}

.model-card p {
  font-size: 13px;
  color: var(--dcd-text-2);
  line-height: 1.7;
}

.mode-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mode-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0;
  background: var(--dcd-white);
  border-radius: var(--dcd-radius-lg);
  overflow: hidden;
  border: 1px solid var(--dcd-border);
  box-shadow: var(--dcd-shadow);
}

.mode-item.reverse {
  direction: rtl;
}

.mode-item.reverse > * {
  direction: ltr;
}

.mode-side {
  background: linear-gradient(160deg, #ff5a60, var(--dcd-orange));
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 12px;
  text-align: center;
}

.mode-side h4 {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 4px;
}

.mode-side p {
  font-size: 12px;
  opacity: 0.85;
}

.mode-body {
  padding: 18px 20px;
  display: flex;
  align-items: center;
}

.mode-body p {
  font-size: 13px;
  color: var(--dcd-text-2);
  line-height: 1.8;
}

.biz-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}

.biz-card {
  border-radius: var(--dcd-radius-lg);
  overflow: hidden;
  box-shadow: var(--dcd-shadow);
  background: #fff;
}

.biz-card img {
  width: 100%;
  display: block;
  transition: transform 0.5s var(--dcd-ease);
}

.biz-card:hover img {
  transform: scale(1.03);
}

/* ---------- advantages ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.adv-card {
  background: var(--dcd-white);
  border-radius: var(--dcd-radius-lg);
  overflow: hidden;
  box-shadow: var(--dcd-shadow);
  border: 1px solid var(--dcd-border);
  transition: transform 0.3s, box-shadow 0.3s;
}

.adv-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--dcd-shadow-hover);
}

.adv-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #eee;
}

.adv-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--dcd-ease);
}

.adv-card:hover .adv-media img {
  transform: scale(1.06);
}

.adv-media .mask {
  position: absolute;
  inset: 0;
  background: rgba(230, 33, 41, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}

.adv-card:hover .mask {
  opacity: 1;
}

.adv-body {
  padding: 14px 14px 16px;
}

.adv-body h5 {
  font-size: 15px;
  font-weight: 800;
  color: var(--dcd-black);
  margin-bottom: 6px;
}

.adv-body p {
  font-size: 12px;
  color: var(--dcd-text-2);
  line-height: 1.7;
}

/* testimonials */
.t-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.t-viewport {
  overflow: hidden;
  border-radius: var(--dcd-radius-lg);
}

.t-track {
  display: flex;
  transition: transform 0.5s var(--dcd-ease);
  will-change: transform;
}

.t-slide {
  flex: 0 0 100%;
  padding: 4px;
}

.t-card {
  background: var(--dcd-white);
  border: 1px solid var(--dcd-border);
  border-radius: var(--dcd-radius-lg);
  padding: 28px 28px 22px;
  box-shadow: var(--dcd-shadow);
  text-align: center;
}

.t-quote {
  font-size: 14px;
  color: var(--dcd-text-2);
  line-height: 1.9;
  margin-bottom: 18px;
}

.t-quote i {
  color: var(--dcd-orange);
  opacity: 0.55;
  margin: 0 4px;
}

.t-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.t-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 14px;
}

.t-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--dcd-white);
  border: 1px solid var(--dcd-border);
  color: var(--dcd-text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.t-btn:hover {
  background: var(--dcd-orange);
  border-color: var(--dcd-orange);
  color: #fff;
}

.t-dots {
  display: flex;
  gap: 8px;
}

.t-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ddd;
  transition: all 0.2s;
}

.t-dots button.is-active {
  width: 20px;
  border-radius: 4px;
  background: var(--dcd-orange);
}

/* ---------- qualify ---------- */
.qualify-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.qualify-block {
  background: var(--dcd-white);
  border: 1px solid var(--dcd-border);
  border-radius: var(--dcd-radius-lg);
  padding: 24px 22px;
  box-shadow: var(--dcd-shadow);
}

.qualify-block h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--dcd-black);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.qualify-block h3 i {
  color: var(--dcd-orange);
}

.qualify-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qualify-list li {
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--dcd-bg);
  border-left: 3px solid var(--dcd-orange);
}

.qualify-list strong {
  display: block;
  font-size: 14px;
  color: var(--dcd-black);
  margin-bottom: 4px;
}

.qualify-list span {
  font-size: 13px;
  color: var(--dcd-text-2);
  line-height: 1.6;
}

.report-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.report-list a {
  display: grid;
  grid-template-columns: 40px 1fr 16px;
  gap: 12px;
  align-items: center;
  padding: 14px 14px;
  border-radius: 10px;
  background: var(--dcd-bg);
  transition: all 0.25s var(--dcd-ease);
}

.report-list a:hover {
  background: var(--dcd-orange-soft);
  transform: translateX(4px);
  color: var(--dcd-orange);
}

.report-index {
  font-size: 18px;
  font-weight: 800;
  color: var(--dcd-orange);
  opacity: 0.75;
}

.report-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--dcd-text);
}

.report-list a:hover .report-title {
  color: var(--dcd-orange);
}

/* ---------- app ---------- */
.app-banner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
  background: linear-gradient(135deg, #1a1a1a 0%, #2c1214 55%, #3a1014 100%);
  color: #fff;
  border-radius: 16px;
  padding: 32px 28px;
  margin-bottom: 22px;
  box-shadow: var(--dcd-shadow-hover);
  overflow: hidden;
  position: relative;
}

.app-banner::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(230, 33, 41, 0.18);
  pointer-events: none;
}

.app-banner-text h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
}

.app-banner-text > p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  margin-bottom: 14px;
}

.app-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.app-points li {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.88);
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-points i {
  color: var(--dcd-orange);
}

.app-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.app-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff !important;
  transition: all 0.25s var(--dcd-ease);
}

.app-btn i {
  font-size: 28px;
  width: 36px;
  text-align: center;
}

.app-btn strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.app-btn span span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
}

.app-btn:hover {
  background: var(--dcd-orange);
  border-color: var(--dcd-orange);
  transform: translateY(-2px);
}

.app-btn.disabled,
.app-btn.disabled:hover {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.contact-card {
  background: var(--dcd-white);
  border-radius: var(--dcd-radius-lg);
  padding: 22px 18px;
  box-shadow: var(--dcd-shadow);
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: transform 0.3s var(--dcd-ease), box-shadow 0.3s;
  border: 1px solid transparent;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--dcd-shadow-hover);
  border-color: rgba(230, 33, 41, 0.15);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ff5a60, var(--dcd-orange));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-card h3 {
  font-size: 15px;
  font-weight: 800;
  color: var(--dcd-black);
  margin-bottom: 6px;
}

.contact-card p {
  font-size: 13px;
  color: var(--dcd-text-2);
  line-height: 1.6;
}

.contact-card a {
  color: var(--dcd-text-2);
}

.contact-card a:hover {
  color: var(--dcd-orange);
}

/* ---------- footer ---------- */
.site-footer {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #141414;
  color: rgba(255, 255, 255, 0.78);
  padding: calc(var(--dcd-trust-h) + var(--dcd-header-h) + 24px) 0 28px;
  width: 100%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 180px 1fr 180px;
  gap: 32px;
  align-items: start;
  margin-bottom: 28px;
}

.footer-qr {
  text-align: center;
}

.footer-qr img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 10px;
  background: #fff;
  padding: 6px;
}

.footer-qr p {
  margin-top: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-info h3,
.footer-links h3 {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}

.footer-info p {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.7);
}

.footer-info a {
  color: rgba(255, 255, 255, 0.85);
}

.footer-info a:hover {
  color: var(--dcd-orange);
}

.footer-desc {
  margin-top: 10px !important;
  color: rgba(255, 255, 255, 0.45) !important;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--dcd-orange);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--dcd-orange);
}

/* ---------- compact fit layouts (no page scrollbar) ---------- */
.section-head {
  margin-bottom: 18px;
}

.section-head h2 {
  font-size: clamp(22px, 2.6vw, 28px);
}

.about-grid-fit {
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: stretch;
}

.about-grid-fit .about-visual {
  min-height: 320px;
  height: min(42vh, 380px);
}

.about-video-wrap {
  background: #000;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #000;
}

.about-grid-fit .about-panel {
  justify-content: center;
  gap: 14px;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.about-tags span {
  display: inline-flex;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--dcd-orange-soft);
  color: var(--dcd-orange);
  font-size: 12px;
  font-weight: 700;
}

.feature-grid-6 {
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.feature-grid-6 .feature-card {
  padding: 16px 14px 14px;
}

.feature-grid-6 .feature-card p {
  min-height: auto;
  font-size: 12.5px;
  line-height: 1.65;
}

.feature-grid-6 .feature-icon {
  width: 40px;
  height: 40px;
  font-size: 16px;
  margin-bottom: 10px;
}

.model-top-lg {
  margin-bottom: 14px;
}

.biz-grid-fit {
  margin-top: 0;
}

.biz-grid-fit .biz-card img {
  max-height: 180px;
  width: 100%;
  object-fit: cover;
}

.adv-media {
  aspect-ratio: 16 / 10;
}

.adv-body {
  padding: 12px 12px 14px;
}

.adv-body p {
  font-size: 12px;
}

.t-wrap {
  max-width: 780px;
}

.t-card {
  padding: 24px 24px 18px;
}

.t-quote {
  font-size: 14px;
  margin-bottom: 14px;
}

.qualify-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.qc-item {
  background: var(--dcd-white);
  border: 1px solid var(--dcd-border);
  border-radius: var(--dcd-radius-lg);
  padding: 18px 16px;
  box-shadow: var(--dcd-shadow);
  transition: transform 0.25s var(--dcd-ease), box-shadow 0.25s;
}

.qc-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--dcd-shadow-hover);
}

.qc-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--dcd-orange-soft);
  color: var(--dcd-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 12px;
}

.qc-item h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--dcd-black);
  margin-bottom: 8px;
}

.qc-item p {
  font-size: 12.5px;
  color: var(--dcd-text-2);
  line-height: 1.65;
}

.reports-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  align-items: start;
}

.report-list-main,
.news-panel {
  background: var(--dcd-white);
  border: 1px solid var(--dcd-border);
  border-radius: var(--dcd-radius-lg);
  padding: 18px 16px;
  box-shadow: var(--dcd-shadow);
}

.report-list-main h3,
.news-panel h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--dcd-black);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.report-list-main h3::before,
.news-panel h3::before {
  content: "";
  width: 4px;
  height: 14px;
  border-radius: 2px;
  background: var(--dcd-orange);
}

.report-list-main {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.report-list-main a {
  display: grid;
  grid-template-columns: 36px 1fr 14px;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border-radius: 10px;
  background: var(--dcd-bg);
  transition: all 0.25s var(--dcd-ease);
}

.report-list-main a:hover {
  background: var(--dcd-orange-soft);
  transform: translateX(3px);
}

.report-list-main .report-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--dcd-text);
  line-height: 1.45;
}

.report-list-main a:hover .report-title {
  color: var(--dcd-orange);
}

.news-panel .news-list a {
  padding: 9px 10px;
  font-size: 13px;
}

.app-banner-center {
  margin: 0 auto;
  max-width: 960px;
  margin-bottom: 0;
}

.contact-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding-top: calc(var(--dcd-trust-h) + var(--dcd-header-h) + 8px);
  padding-bottom: 16px;
  color: rgba(255, 255, 255, 0.85);
}

.section-head-light .eyebrow {
  background: rgba(230, 33, 41, 0.18);
  color: #ffb4b7;
}

.section-head-light h2 {
  color: #fff;
}

.section-head-light p {
  color: rgba(255, 255, 255, 0.6);
}

.contact-grid-dark {
  margin-bottom: 18px;
}

.contact-grid-dark .contact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.contact-grid-dark .contact-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(230, 33, 41, 0.35);
}

.contact-grid-dark .contact-card h3 {
  color: #fff;
}

.contact-grid-dark .contact-card p,
.contact-grid-dark .contact-card a {
  color: rgba(255, 255, 255, 0.72);
}

.contact-grid-dark .contact-card a:hover {
  color: var(--dcd-orange);
}

.site-footer-inline {
  padding: 0;
  background: transparent;
  flex: none;
}

.site-footer-inline .footer-grid {
  margin-bottom: 14px;
}

.site-footer-inline .footer-qr img {
  width: 110px;
  height: 110px;
}

.fp-section-footer {
  overflow: hidden;
  background: #141414;
}

.timeline {
  gap: 12px;
}

.tl-card {
  padding: 14px 14px 16px;
  height: auto;
}

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

.tl-card p {
  font-size: 12.5px;
  line-height: 1.6;
}

.mode-list {
  gap: 10px;
  max-width: 980px;
  margin: 0 auto;
}

.mode-side {
  padding: 16px 12px;
}

.mode-body {
  padding: 16px 18px;
}

.mode-body p {
  font-size: 13px;
}

/* ---------- back top ---------- */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 28px;
  z-index: 1200;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dcd-orange);
  color: #fff !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 8px 20px var(--dcd-orange-glow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: all 0.25s var(--dcd-ease);
}

.back-top.is-show {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.back-top:hover {
  background: var(--dcd-orange-hover);
  transform: translateY(-2px);
}

/* ---------- responsive ---------- */
@media (max-width: 1200px) {
  .nav-main a {
    padding: 8px 8px;
    font-size: 12px;
  }
}

@media (max-width: 1100px) {
  .nav-main {
    display: none;
  }

  .header-actions .btn-ghost {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .mobile-nav.is-open {
    display: flex;
  }

  .feature-grid,
  .feature-grid-6,
  .qualify-cards {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .reports-layout,
  .about-grid-fit {
    grid-template-columns: 1fr;
  }

  .about-grid-fit .about-visual {
    height: 220px;
    min-height: 220px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-links {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .hero-dl-main {
    grid-template-columns: 1fr;
    text-align: center;
    padding-bottom: 120px;
  }

  .hero-dl-copy {
    max-width: none;
    margin: 0 auto;
  }

  .hero-dl-actions {
    justify-content: center;
  }

  .hero-orbit {
    width: min(300px, 78vw);
    height: min(300px, 78vw);
  }

  .hero-app-badge {
    width: 128px;
    height: 128px;
    border-radius: 50%;
  }

  .hero-app-badge img {
    width: 100%;
    height: 100%;
  }

  .orbit-icon {
    width: 44px;
    height: 44px;
    font-size: 15px;
  }

  body.fp-enabled {
    overflow: auto;
    height: auto;
  }

  .fp-wrapper {
    position: relative;
    height: auto !important;
    transform: none !important;
    transition: none !important;
  }

  .fp-section {
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: visible;
  }

  .section-pad {
    padding-top: calc(var(--dcd-trust-h) + var(--dcd-header-h) + 28px);
    padding-bottom: 48px;
    overflow: visible;
  }

  .section-fit {
    overflow: visible;
  }

  .contact-page {
    height: auto;
    padding-top: calc(var(--dcd-trust-h) + var(--dcd-header-h) + 28px);
    padding-bottom: 36px;
  }

  .fp-dots {
    display: none;
  }

  .about-grid,
  .qualify-grid,
  .app-banner,
  .model-top,
  .contact-grid,
  .biz-grid {
    grid-template-columns: 1fr;
  }

  .mode-item,
  .mode-item.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .mode-side {
    padding: 14px;
  }

  .about-visual {
    min-height: 240px;
  }

  .hero-content {
    padding-bottom: 90px;
  }

  .hero-stats {
    gap: 10px 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links {
    align-items: center;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }

  .anim {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 640px) {
  .trust-bar span {
    max-width: 60%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .feature-grid,
  .feature-grid-6,
  .adv-grid,
  .timeline,
  .qualify-cards,
  .reports-layout,
  .mini-stats {
    grid-template-columns: 1fr;
  }

  .mini-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h1 {
    font-size: 26px;
  }

  .hero-desc {
    font-size: 13px;
  }

  .app-banner {
    padding: 24px 18px;
  }

  .t-card {
    padding: 20px 16px;
  }

  .fp-dots {
    right: 10px;
  }

  .back-top {
    right: 14px;
    bottom: 18px;
  }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fp-wrapper {
    transition: none !important;
  }
}