/* Mobile layout stylesheet. Edit this file for mobile-only layout changes. */
:root {
  --brand: #00bf6e;
  --brand-dark: #0eb790;
  --orange: #ff4d00;
  --ink: #0b1636;
  --text: #222;
  --muted: #475a89;
  --soft: #f7fafb;
  --line: rgba(11, 22, 54, 0.1);
  --footer: #181c29;
}

* {
  box-sizing: border-box;
}

html {
  font-size: calc(100vw / 3.75);
  scroll-behavior: smooth;
  scrollbar-gutter: auto;
}

body {
  margin: 0;
  min-width: 11.8rem;
  font-size: 0.16rem;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: #fff;
}

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

button {
  font-family: inherit;
}

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

.container {
  width: 12.28rem;
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 30;
  width: 100%;
  height: 0.72rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: none;
  backdrop-filter: blur(12px);
  transition: transform 0.28s ease, box-shadow 0.2s ease;
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header.is-scrolled {
  box-shadow: none;
}

.header-inner {
  height: 0.72rem;
  display: flex;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  margin-right: 0.66rem;
}

.brand img {
  height: 0.34rem;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.36rem;
  flex: 1;
}

.nav a,
.nav-link-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 0.72rem;
  border: 0;
  padding: 0;
  background: transparent;
  font-size: 0.15rem;
  color: #444;
  cursor: pointer;
  white-space: nowrap;
}

.nav a::before,
.nav-link-button::before {
  content: "";
  position: absolute;
  inset: 0 -0.14rem;
}

.nav a.active,
.nav a:hover,
.nav-link-button:hover {
  color: var(--brand);
  font-weight: 600;
}

.header-cta,
.primary-button,
.secondary-button {
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.12rem;
  appearance: none;
  font-family: inherit;
  font-size: 0.16rem;
  line-height: 1;
  font-weight: 600;
  cursor: pointer;
  transform-origin: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.header-cta {
  width: 1.18rem;
  height: 0.4rem;
  color: #fff;
  background: var(--brand);
  box-shadow: none;
}

.header-cta:hover,
.header-cta:focus-visible,
.primary-button:hover,
.primary-button:focus-visible,
.secondary-button:hover,
.secondary-button:focus-visible {
  transform: scale(1.05);
  outline: none;
}

.menu-toggle {
  display: none;
}

.hero {
  margin-top: 0.72rem;
  background: #f6faf8;
}

.banner-swiper {
  position: relative;
  height: 5rem;
  overflow: hidden;
  user-select: none;
  touch-action: pan-y;
}

.banner-wrapper {
  position: relative;
  height: 100%;
}

.banner-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  background:
    radial-gradient(circle at 78% 46%, rgba(0, 191, 110, 0.18), transparent 32%),
    linear-gradient(90deg, #effaf4 0%, #f8fffb 58%, #e8f8f0 100%);
  opacity: 0;
  transition: opacity 0.6s ease;
  cursor: pointer;
}

.banner-slide::before {
  content: none;
}

.banner-slide--invite {
  background:
    radial-gradient(circle at 78% 46%, rgba(255, 177, 61, 0.16), transparent 30%),
    linear-gradient(90deg, #edf9f2 0%, #f7fffa 56%, #dff7ea 100%);
}

.banner-slide--invite .banner-copy h1 {
  color: #fff;
}

.banner-slide--invite .banner-copy p {
  color: rgba(255, 255, 255, 0.8);
}

.banner-slide--invite .primary-button {
  color: var(--brand);
  background: #fff;
  box-shadow: none;
}

.banner-swiper.is-dragging .banner-slide {
  cursor: grabbing;
}

.banner-slide.is-active {
  opacity: 1;
  z-index: 1;
}

.banner-slide-inner {
  position: static;
  width: 12.28rem;
  min-width: 12.28rem;
  height: 5rem;
  min-height: 5rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex: none;
}

.banner-copy {
  position: relative;
  z-index: 2;
  width: 8rem;
  padding-top: 0.06rem;
}

.banner-copy h1 {
  margin: 0 0 0.24rem;
  color: #030a24;
  font-size: 0.48rem;
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: 0;
}

.banner-copy p {
  margin: 0.12rem 0 0;
  color: #37475d;
  font-size: 0.2rem;
  line-height: 1.55;
  font-weight: 400;
}

.banner-copy .primary-button {
  margin-top: 0.34rem;
}

.banner-media,
.hero-banner-media {
  margin: 0;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 0;
  width: 100%;
  height: 5rem;
  transform: none;
  pointer-events: none;
  overflow: hidden;
}

.banner-media img,
.banner-media picture,
.hero-banner-media picture,
.hero-banner-media img {
  position: absolute;
  left: 50%;
  top: 0;
  width: max(100%, 12.28rem);
  min-width: 12.28rem;
  max-width: none;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: translateX(-50%);
}

.primary-button {
  min-width: 1.54rem;
  height: 0.48rem;
  padding: 0 0.28rem;
  color: #fff;
  background: var(--brand);
  box-shadow: 0 12px 28px rgba(0, 191, 110, 0.24);
}

.banner-pagination {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 0.19rem;
  transform: translateX(-50%);
  display: flex;
  gap: 0.1rem;
}

.banner-pagination button {
  width: 0.2rem;
  height: 0.05rem;
  border: 0;
  border-radius: 9.99rem;
  background: #fff;
  opacity: 0.7;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.16s ease, width 0.16s ease;
}

.banner-pagination button.is-active {
  width: 0.4rem;
  opacity: 1;
}

.section-tabs {
  position: sticky;
  top: 0;
  z-index: 25;
  width: 100%;
  height: 0.6rem;
  background: #fff;
  border-bottom: 1px solid #e9ebf0;
  transition: top 0.28s ease;
}

.section-tabs-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.section-tabs a {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  color: #444;
  font-size: 0.16rem;
  font-weight: 400;
  white-space: nowrap;
  transition: color 0.2s ease, font-weight 0.2s ease;
}

.section-tabs a:hover,
.section-tabs a.active {
  color: #000;
  font-weight: 600;
}

.section-tabs a.active::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0.64rem;
  height: 0.03rem;
  border-radius: 0.04rem;
  background: var(--brand);
  transform: translateX(-50%);
}

.section {
  padding: 1rem 0;
  scroll-margin-top: 1.42rem;
}

.auth-section,
.review-section {
  background: #fff;
}

.intro-section,
.project-section {
  background: var(--soft);
}

.split-layout,
.auth-layout {
  display: grid;
  align-items: center;
}

.split-layout {
  grid-template-columns: 1fr 6.24rem;
  gap: 0;
}

.auth-layout {
  grid-template-columns: 5.9rem 1fr;
  gap: 0.64rem;
}

.section-heading h2,
.section-title h2 {
  position: relative;
  z-index: 0;
  display: inline-block;
  margin: 0;
  color: var(--ink);
  font-size: 0.38rem;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: 0;
}

.section-title {
  text-align: center;
  margin-bottom: 0.54rem;
}

.section-title p {
  margin: 0.18rem 0 0;
  color: #666;
  font-size: 0.16rem;
}

.rich-text {
  margin-top: 0.3rem;
}

.rich-text p {
  margin: 0 0 0.14rem;
  color: #444;
  font-size: 0.16rem;
  line-height: 2;
}

.intro-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.18rem;
  margin-top: 0.38rem;
}

.intro-stats a {
  height: 1.06rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(11, 22, 54, 0.06);
  border-radius: 0.16rem;
  background: #fff;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.intro-stats a:hover,
.intro-stats a:focus-visible {
  transform: translateY(-0.06rem);
  border-color: rgba(0, 191, 110, 0.32);
  background: #fbfffd;
  outline: none;
}

.intro-stats strong {
  color: var(--brand);
  font-size: 0.34rem;
  line-height: 1;
  font-weight: 700;
  font-family: Arial, sans-serif;
}

.intro-stats span {
  margin-top: 0.12rem;
  color: #4c566a;
  font-size: 0.14rem;
}

.visual-card {
  margin: 0;
  overflow: hidden;
  border-radius: 0.24rem;
  background: #f4fbf8;
  box-shadow: none;
}

.visual-card img {
  width: 100%;
  height: 4.6rem;
  object-fit: cover;
}

.help-hero {
  position: relative;
  height: 5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 46%, rgba(0, 191, 110, 0.18), transparent 32%),
    linear-gradient(90deg, #effaf4 0%, #f8fffb 58%, #e8f8f0 100%);
}

.help-hero::before {
  content: none;
}

.help-hero-inner {
  position: static;
  width: 12.28rem;
  min-width: 12.28rem;
  height: 5rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex: none;
}

.help-hero-copy {
  position: relative;
  z-index: 2;
  width: 5.2rem;
}

.help-hero-copy h1 {
  margin: 0;
  color: #fff;
  font-size: 0.52rem;
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: 0;
}

.help-hero-copy p {
  margin: 0.24rem 0 0.36rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.22rem;
  line-height: 1.6;
  font-weight: 400;
}

.help-hero-copy .primary-button {
  color: var(--brand);
  background: #fff;
  box-shadow: none;
}

.help-section {
  background: #fff;
}

.help-register-section {
  background: var(--soft);
}

.help-orders-section {
  background: #fff;
}

.help-step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.26rem;
}

.help-step-card {
  position: relative;
  min-height: 2.3rem;
  padding: 0.34rem 0.32rem;
  border: 1px solid rgba(11, 22, 54, 0.07);
  border-radius: 0.18rem;
  background: #fff;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.help-step-card:hover {
  transform: translateY(-0.06rem);
  border-color: rgba(0, 191, 110, 0.26);
  background: #fbfffd;
}

.help-step-card.is-feature {
  background: linear-gradient(180deg, #ffffff 0%, #f0fbf5 100%);
}

.step-index,
.order-step-num {
  width: 0.48rem;
  height: 0.48rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  background: var(--brand);
  font-family: Arial, sans-serif;
  font-size: 0.18rem;
  font-weight: 700;
}

.help-step-card h3,
.order-step h3 {
  margin: 0.22rem 0 0;
  color: var(--ink);
  font-size: 0.22rem;
  line-height: 1.35;
  font-weight: 600;
}

.help-step-card p,
.order-step p {
  margin: 0.16rem 0 0;
  color: #4b5568;
  font-size: 0.16rem;
  line-height: 1.8;
}

.help-step-card .primary-button {
  margin-top: 0.26rem;
  min-width: 1.68rem;
  border: 0;
  box-shadow: none;
  appearance: none;
  font-size: 0.14rem;
  line-height: 1;
}

.help-step-card .primary-button:focus,
.help-step-card .primary-button:focus-visible {
  outline: none;
  box-shadow: none;
}

.order-flow {
  position: relative;
  display: grid;
  gap: 0.22rem;
}

.order-step {
  position: relative;
  display: grid;
  grid-template-columns: 0.64rem 1fr;
  gap: 0.22rem;
  padding: 0.3rem 0.34rem;
  border: 1px solid rgba(11, 22, 54, 0.07);
  border-radius: 0.18rem;
  background: #fff;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.order-step:hover {
  transform: translateY(-0.04rem);
  border-color: rgba(0, 191, 110, 0.25);
}

.order-step.is-static-project-types:hover {
  transform: none;
  border-color: rgba(11, 22, 54, 0.07);
}

.order-step h3 {
  margin-top: 0;
}

.step-note {
  padding: 0.12rem 0.16rem;
  border-radius: 0.1rem;
  color: #a34c00 !important;
  background: #fff6e2;
}

.project-type-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.16rem;
  margin-top: 0.18rem;
}

.project-type-card {
  min-height: 0.86rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.18rem 0.2rem;
  border-radius: 0.14rem;
  color: var(--ink);
  background: #f5fbf8;
  cursor: default;
  transition: none;
}

.project-type-grid strong {
  color: var(--brand);
  font-size: 0.18rem;
  font-weight: 600;
}

.project-type-grid span {
  margin-top: 0.08rem;
  color: #4b5568;
  font-size: 0.14rem;
}

.channel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.12rem;
  margin-top: 0.18rem;
}

.channel-tags span {
  height: 0.38rem;
  display: inline-flex;
  align-items: center;
  padding: 0 0.18rem;
  border-radius: 9.99rem;
  color: var(--brand);
  background: rgba(0, 191, 110, 0.1);
  font-size: 0.15rem;
  font-weight: 600;
}

.faq-section {
  background: #fff;
}

.faq-section-soft {
  background: var(--soft);
}

.faq-category-head {
  margin-bottom: 0.34rem;
}

.faq-category-head span {
  display: none;
  align-items: center;
  height: 0.3rem;
  padding: 0 0.14rem;
  border-radius: 9.99rem;
  color: var(--brand);
  background: rgba(0, 191, 110, 0.1);
  font-size: 0.13rem;
  font-weight: 700;
}

.faq-category-head h2 {
  margin: 0.14rem 0 0;
  color: var(--ink);
  font-size: 0.38rem;
  line-height: 1.25;
  font-weight: 600;
}

.faq-list {
  display: grid;
  gap: 0.16rem;
}

.faq-item {
  border: 1px solid rgba(11, 22, 54, 0.08);
  border-radius: 0.16rem;
  background: #fff;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:hover,
.faq-item:focus-within {
  border-color: #00bf6e;
}

.faq-item[open] {
  border-color: #00bf6e;
}

.faq-item summary {
  position: relative;
  padding: 0.24rem 0.72rem 0.24rem 0.28rem;
  color: var(--ink);
  font-size: 0.18rem;
  line-height: 1.55;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 0.28rem;
  top: 50%;
  width: 0.32rem;
  height: 0.32rem;
  display: block;
  border-radius: 50%;
  background: url("../images/faq-toggle-plus.svg") center / 0.32rem 0.32rem no-repeat;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  background-image: url("../images/faq-toggle-minus.svg");
}

.faq-answer {
  display: block;
  max-height: 0;
  opacity: 0;
  transform: translateY(-0.06rem);
  overflow: hidden;
  will-change: max-height, opacity, transform;
  transition:
    max-height 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.28s ease-out,
    transform 0.28s ease-out;
}

.faq-item[open] .faq-answer {
  opacity: 1;
  transform: translateY(0);
}

.faq-answer-inner {
  min-height: 0;
  overflow: hidden;
  padding: 0 0.28rem 0.26rem;
  color: #4b5568;
  font-size: 0.15rem;
  line-height: 1.9;
}

.faq-answer p {
  margin: 0.1rem 0 0;
}

.faq-answer strong {
  color: var(--ink);
}

.help-hero .hero-banner-media {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 0;
  transform: none;
}

.appdown-page {
  position: relative;
  min-height: calc(100vh - 2.61rem);
  margin-top: 0.72rem;
  overflow: hidden;
  background: #f7fafb;
}

.appdown-layout {
  position: relative;
  z-index: 1;
  min-height: 7.1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 4.8rem;
  align-items: center;
  gap: 0;
  padding: 0;
}

.appdown-copy {
  position: relative;
  z-index: 2;
}

.appdown-invite {
  margin: 0 0 0.18rem;
  color: var(--brand);
  font-size: 0.22rem;
  line-height: 1.3;
  font-weight: 600;
}

.appdown-invite strong {
  font-family: Arial, sans-serif;
  font-size: 0.28rem;
  letter-spacing: 0.01rem;
}

.appdown-copy h1 {
  max-width: 7.6rem;
  margin: 0;
  color: #030a24;
  font-size: 0.56rem;
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: 0;
}

.appdown-desc {
  margin: 0.22rem 0 0;
  color: #181c29;
  font-size: 0.2rem;
  line-height: 1.45;
  font-weight: 600;
}

.appdown-feature-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.18rem 0.32rem;
  margin: 0.4rem 0 0;
  padding: 0;
  list-style: none;
  color: #181c29;
  font-size: 0.16rem;
}

.appdown-feature-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.12rem;
  white-space: nowrap;
}

.appdown-feature-list img {
  width: 0.4rem;
  height: 0.4rem;
  object-fit: contain;
}

.appdown-qrcodes {
  display: flex;
  gap: 0.24rem;
  margin-top: 0.96rem;
}

.appdown-qr-card {
  width: 1.9rem;
  height: 2.16rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 0.24rem;
  color: #626570;
  background: #fff;
  box-shadow: 0 4px 20px rgba(0, 98, 75, 0.05);
  font-size: 0.14rem;
  line-height: 0.2rem;
  font-weight: 600;
  cursor: default;
  transition: none;
}

.appdown-qr-card img {
  width: 1.5rem;
  height: 1.5rem;
  margin-bottom: 0.08rem;
  object-fit: contain;
}

.appdown-phone {
  position: relative;
  z-index: 2;
  margin: 0;
  align-self: end;
}

.appdown-phone img {
  width: 4.8rem;
  height: auto;
  display: block;
}

.auth-visual {
  margin: 0;
}

.auth-visual img {
  width: 5.2rem;
  margin-left: auto;
}

.brand-count {
  margin-top: 0.72rem;
  color: #222;
  font-size: 0.24rem;
  font-weight: 700;
}

.brand-marquee {
  margin-top: 0.24rem;
  overflow: hidden;
}

.brand-row {
  display: flex;
  width: max-content;
  gap: 0.18rem;
  margin: 0.18rem 0;
  animation: marqueeLeft 32s linear infinite;
}

.brand-row img {
  height: 0.62rem;
  width: auto;
  flex: 0 0 auto;
}

.brand-row-right {
  animation-name: marqueeRight;
  animation-duration: 40s;
}

.brand-row.slow {
  animation-duration: 46s;
}

@keyframes marqueeLeft {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes marqueeRight {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.24rem;
}

.project-card {
  position: relative;
  height: 2.81rem;
  padding: 0.24rem;
  border-radius: 0.24rem;
  background: #fff;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.project-card:hover {
  transform: translateY(-0.06rem);
  box-shadow: 0 12px 30px rgba(10, 35, 60, 0.08);
}

.project-tag {
  position: absolute;
  top: -0.06rem;
  right: 0;
  padding: 0.05rem 0.1rem;
  border-radius: 0.13rem 0.13rem 0 0.13rem;
  color: #831717;
  font-size: 0.12rem;
  background: linear-gradient(102deg, #fff1c2 0%, #ffd68b 49%, #fff1c2 100%);
  backdrop-filter: blur(2px);
}

.project-head {
  display: flex;
  align-items: center;
  gap: 0.14rem;
}

.project-head img {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 0.1rem;
  object-fit: contain;
  background: #fff;
}

.project-head h3 {
  height: 0.5rem;
  margin: 0;
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  color: var(--ink);
  font-size: 0.18rem;
  line-height: 1.35;
  font-weight: 700;
  overflow: hidden;
}

.project-divider {
  height: 0;
  margin: 0.24rem 0;
  border-top: 1px dashed rgba(11, 22, 54, 0.1);
}

.project-data {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  align-items: center;
  gap: 0.24rem;
}

.project-data div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.08rem;
  min-width: 0;
  text-align: center;
}

.project-data strong {
  width: 100%;
  color: var(--ink);
  font-size: 0.24rem;
  line-height: 1;
  font-weight: 700;
  white-space: nowrap;
}

.project-data div:first-child strong {
  color: var(--orange);
}

.project-data span {
  color: var(--muted);
  font-size: 0.13rem;
}

.project-data i {
  width: 1px;
  height: 0.3rem;
  background: rgba(11, 22, 54, 0.1);
}

.project-card > a {
  position: absolute;
  left: 0.24rem;
  right: 0.24rem;
  bottom: 0.24rem;
  height: 0.42rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.12rem;
  color: var(--brand);
  background: rgba(0, 191, 110, 0.1);
  font-size: 0.15rem;
  font-weight: 600;
  cursor: pointer;
  transform-origin: center;
  transition: color 0.24s ease, background-color 0.24s ease, transform 0.24s ease;
}

.project-card > a:hover,
.project-card > a:focus-visible {
  color: #fff;
  background: var(--brand);
  transform: scale(1.05);
  outline: none;
}

.center-action {
  margin-top: 0.42rem;
  text-align: center;
}

.secondary-button {
  min-width: 1.64rem;
  height: 0.44rem;
  color: var(--brand);
  background: rgba(0, 191, 110, 0.1);
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.24rem;
}

.review-grid article {
  min-height: 1.9rem;
  padding: 0.3rem;
  border-radius: 0.24rem;
  background: #f7fafb;
  transition: transform 0.2s ease, background 0.2s ease;
}

.review-grid article:hover {
  transform: translateY(-0.06rem);
  background: #eef8f4;
}

.review-head {
  display: flex;
  align-items: center;
  gap: 0.12rem;
}

.review-avatar {
  width: 0.46rem;
  height: 0.46rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  color: #fff;
  background: linear-gradient(135deg, #00bf6e, #39d99a);
  font-size: 0.18rem;
  font-weight: 700;
}

.review-grid article:nth-child(2n) .review-avatar {
  background: linear-gradient(135deg, #ff8a00, #ffd68b);
}

.review-grid article:nth-child(3n) .review-avatar {
  background: linear-gradient(135deg, #2f7dff, #7db0ff);
}

.review-grid strong {
  color: var(--ink);
  font-size: 0.18rem;
}

.review-grid p {
  margin: 0.14rem 0 0;
  color: #555;
  font-size: 0.15rem;
  line-height: 1.8;
}

.bottom-cta {
  position: relative;
  padding: 0;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(105deg, #02bd70 0%, #00bf6e 52%, #12ce82 100%);
}

.bottom-cta-card {
  position: relative;
  overflow: hidden;
}

.bottom-cta-inner {
  position: relative;
  z-index: 1;
  min-height: 1.84rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 2.6rem 2.2rem;
  align-items: center;
  gap: 0.7rem;
  padding: 0.3rem 0;
}

.bottom-cta-main,
.invite-ticket,
.bottom-action {
  position: relative;
  z-index: 1;
}

.bottom-metrics {
  display: grid;
  grid-template-columns: repeat(3, max-content);
  align-items: center;
  gap: 0.2rem;
  margin-top: 0.18rem;
}

.bottom-metric {
  position: relative;
  display: grid;
  grid-template-columns: 0.42rem max-content;
  grid-template-rows: 0.18rem 0.3rem;
  column-gap: 0.1rem;
  align-items: center;
  padding-right: 0.2rem;
}

.bottom-metric:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0.05rem;
  width: 1px;
  height: 0.42rem;
  background: rgba(255, 255, 255, 0.34);
}

.bottom-metric img {
  grid-row: 1 / 3;
  width: 0.42rem;
  height: 0.42rem;
  object-fit: contain;
}

.bottom-metric span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.12rem;
  line-height: 1;
  font-weight: 500;
  white-space: nowrap;
}

.bottom-metric strong {
  color: #fff;
  font-size: 0.28rem;
  line-height: 1;
  font-weight: 700;
  white-space: nowrap;
}

.bottom-metric:nth-child(3) strong {
  font-size: 0.21rem;
}

.bottom-cta-main h2 {
  margin: 0;
  color: #fff;
  font-size: 0.29rem;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: 0;
  white-space: nowrap;
}

.invite-ticket {
  height: 1.16rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 0.12rem;
  color: #057d50;
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,246,215,0.95));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.42);
}

.invite-ticket::before,
.invite-ticket::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 0.18rem;
  height: 0.3rem;
  background: var(--brand);
  transform: translateY(-50%);
}

.invite-ticket::before {
  left: -0.01rem;
  border-radius: 0 0.18rem 0.18rem 0;
}

.invite-ticket::after {
  right: -0.01rem;
  border-radius: 0.18rem 0 0 0.18rem;
}

.invite-ticket span {
  color: var(--ink);
  font-size: 0.16rem;
  line-height: 1;
  font-weight: 600;
}

.invite-ticket strong {
  position: relative;
  margin-top: 0.12rem;
  color: var(--brand);
  font-size: 0.3rem;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.05rem;
}

.invite-ticket strong::after {
  content: "";
  position: absolute;
  left: 0.06rem;
  right: 0.14rem;
  bottom: -0.1rem;
  height: 0.08rem;
  background: #ffd100;
  clip-path: polygon(0 70%, 55% 25%, 100% 55%, 99% 78%, 48% 55%, 2% 95%);
}

.bottom-action {
  width: 2.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: center;
  justify-self: end;
}

.bottom-action a {
  width: 2.2rem;
  height: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.06rem;
  border-radius: 0.12rem;
  color: var(--brand);
  background: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 0.2rem;
  line-height: 0.24rem;
  font-weight: 600;
  cursor: pointer;
  transform-origin: center;
  transition: transform 0.2s ease, background 0.2s ease;
}

.bottom-action a:hover,
.bottom-action a:focus-visible {
  transform: scale(1.05);
  outline: none;
}

.bottom-action a i {
  width: 0.1rem;
  height: 0.12rem;
  position: relative;
  flex: 0 0 0.1rem;
  background: none;
}

.bottom-action a i::before {
  content: "";
  position: absolute;
  left: 0.01rem;
  top: 0.02rem;
  width: 0.07rem;
  height: 0.07rem;
  border-top: 2px solid var(--brand);
  border-right: 2px solid var(--brand);
  transform: rotate(45deg);
}

.site-footer {
  background: var(--footer);
  color: #fff;
}

.footer-benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.32rem;
  padding: 0.36rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.benefit-item img {
  width: 0.48rem;
  height: 0.48rem;
  object-fit: contain;
}

.benefit-item strong,
.benefit-item span {
  display: block;
}

.benefit-item strong {
  font-size: 0.16rem;
  line-height: 0.2rem;
}

.benefit-item span {
  margin-top: 0.1rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.13rem;
}

.footer-record {
  min-height: 0.68rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.08rem 0.12rem;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.12rem;
  text-align: center;
}

.footer-record a {
  display: inline-flex;
  align-items: center;
  gap: 0.04rem;
}

.footer-record img {
  width: 0.18rem;
  height: 0.18rem;
}

.back-top {
  position: fixed;
  right: 0.32rem;
  bottom: 0.32rem;
  z-index: 20;
  width: 0.54rem;
  height: 0.54rem;
  border: 0;
  border-radius: 50%;
  color: #1e2430;
  background: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  font-size: 0.24rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.back-top:hover {
  transform: translateY(-0.03rem);
}

.register-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: block;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.24s ease,
    visibility 0s linear 0.36s;
}

.register-modal.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition:
    opacity 0.24s ease,
    visibility 0s linear 0s;
}

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(8, 15, 30, 0.55);
}

.modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4.2rem;
  height: clamp(6.6rem, 80vh, 8rem);
  opacity: 0;
  transform: translate(-50%, -46%) scale(0.94);
  border-radius: 0.18rem;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  transition:
    opacity 0.24s ease,
    transform 0.46s cubic-bezier(0.18, 0.89, 0.32, 1.18);
}

.register-modal.is-open .modal-panel {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.modal-panel iframe {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: calc(100% + 0.66rem);
  border: 0;
  display: block;
  background: #fff;
}

.modal-close {
  position: absolute;
  top: 0.1rem;
  right: 0.12rem;
  z-index: 2;
  width: 0.32rem;
  height: 0.32rem;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
  cursor: pointer;
  font-size: 0.22rem;
}


/* Mobile-only layout overrides. */
body {
    min-width: 0;
  }

  .container {
    width: auto;
    margin: 0 0.2rem;
  }

  .site-header,
  .header-inner {
    height: 0.64rem;
  }

  .brand {
    margin-right: 0;
    flex: 1;
    min-width: 0;
  }

  .brand img {
    width: 2.3rem;
    height: auto;
  }

  .nav {
    position: absolute;
    top: 0.64rem;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    max-height: 0;
    padding: 0 0.2rem;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transform: translateY(-0.08rem);
    background: #fff;
    box-shadow: 0 14px 24px rgba(12, 27, 54, 0.08);
    transition:
      max-height 0.36s cubic-bezier(0.22, 1, 0.36, 1),
      padding 0.28s ease,
      opacity 0.22s ease,
      transform 0.28s ease;
  }

  .nav.is-open {
    max-height: 3.8rem;
    padding: 0.12rem 0.2rem 0.2rem;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav a,
  .nav-link-button {
    width: 100%;
    padding: 0.14rem 0;
    text-align: left;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
    width: 0.34rem;
    height: 0.34rem;
    border: 0;
    background: transparent;
    flex-direction: column;
    justify-content: center;
    gap: 0.05rem;
    cursor: pointer;
  }

  .menu-toggle span {
    width: 0.22rem;
    height: 2px;
    background: #222;
    transform-origin: center;
    transition:
      opacity 0.18s ease,
      transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .menu-toggle.is-open span:nth-child(1) {
    transform: translateY(0.07rem) rotate(45deg);
  }

  .menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-0.07rem) rotate(-45deg);
  }

  .hero {
    margin-top: 0.64rem;
  }

  .section-tabs {
    top: 0;
    height: 0.54rem;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .section-tabs::-webkit-scrollbar {
    display: none;
  }

  .section-tabs-inner {
    width: max-content;
    min-width: 100%;
    gap: 0.24rem;
  }

  .section-tabs a {
    font-size: 0.14rem;
  }

  .banner-swiper {
    height: 5rem;
  }

  .banner-slide-inner {
    width: 12.28rem;
    min-width: 12.28rem;
    margin: 0 auto;
    min-height: 5rem;
  }

  .banner-copy {
    width: 8rem;
  }

  .banner-copy h1 {
    font-size: 0.4rem;
  }

  .banner-copy p {
    font-size: 0.18rem;
  }

  .section {
    padding: 0.7rem 0;
    scroll-margin-top: 1.28rem;
  }

  .split-layout,
  .auth-layout {
    grid-template-columns: 1fr;
    gap: 0.38rem;
  }

  .help-hero {
    height: 5rem;
  }

  .help-hero-inner {
    width: 12.28rem;
    min-width: 12.28rem;
    margin: 0 auto;
    height: 5rem;
    padding: 0;
  }

  .help-hero-copy {
    width: 5.2rem;
  }

  .help-hero::before {
    opacity: 0.45;
  }

  .help-hero-copy h1 {
    font-size: 0.38rem;
  }

  .help-hero-copy p {
    font-size: 0.18rem;
  }

  .appdown-layout {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 0;
    padding: 0;
  }

  .appdown-copy h1 {
    font-size: 0.4rem;
  }

  .appdown-desc {
    font-size: 0.18rem;
  }

  .appdown-qrcodes {
    margin-top: 0.48rem;
    flex-wrap: wrap;
  }

  .appdown-phone {
    justify-self: center;
  }

  .appdown-phone img {
    width: min(4.8rem, 100%);
  }

  .auth-visual img {
    width: 100%;
  }

  .project-grid,
  .review-grid,
  .help-step-grid,
  .footer-benefits {
    grid-template-columns: 1fr;
  }

  .order-step {
    grid-template-columns: 1fr;
  }

  .project-type-grid {
    grid-template-columns: 1fr;
  }

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

  .bottom-cta {
    padding: 0;
  }

  .bottom-cta-inner {
    grid-template-columns: 1fr;
    gap: 0.24rem;
    padding: 0.28rem 0;
  }

  .bottom-metrics {
    grid-template-columns: 1fr;
    gap: 0.18rem;
  }

  .bottom-metric {
    padding-right: 0;
  }

  .bottom-metric:not(:last-child)::after {
    display: none;
  }

  .bottom-cta-main h2 {
    font-size: 0.26rem;
  }

  .invite-ticket {
    height: 1.1rem;
  }

  .bottom-action a {
    width: 2.2rem;
    height: 0.6rem;
    font-size: 0.2rem;
  }

  .modal-panel {
    width: min(4.2rem, calc(100vw - 0.28rem));
    height: clamp(6.6rem, 80vh, 8rem);
  }

  .modal-panel iframe {
    top: 0;
    width: 100%;
    height: calc(100% + 0.66rem);
  }

/* Mobile endpoint layout. Keep mobile-only layout changes in this section. */
body {
  width: 100vw;
  overflow-x: hidden;
}

.site-header,
.hero,
.section,
.bottom-cta,
.appdown-page {
  width: 100vw;
}

.container {
  width: auto;
  margin: 0 0.2rem;
}

.header-inner {
  gap: 0.1rem;
}

.nav a,
.nav-link-button {
  height: auto;
}

.banner-swiper {
  height: 2.5rem;
}

.help-hero {
  height: 2rem;
}

.banner-slide-inner {
  width: calc(100% - 0.4rem);
  min-width: 0;
  height: 2.5rem;
  min-height: 2.5rem;
  margin: 0 auto;
  justify-content: flex-start;
}

.help-hero-inner {
  width: calc(100% - 0.4rem);
  min-width: 0;
  height: 2rem;
  min-height: 2rem;
  margin: 0 auto;
  justify-content: flex-start;
}

.banner-copy,
.help-hero-copy {
  width: 100%;
  max-width: none;
  padding-top: 0;
}

.banner-copy h1,
.help-hero-copy h1 {
  margin-bottom: 0.12rem;
  font-size: clamp(0.2rem, 5.6vw, 0.24rem);
  line-height: 1.25;
  white-space: nowrap;
}

.banner-copy p,
.help-hero-copy p {
  margin: 0.06rem 0 0;
  font-size: 0.13rem;
  line-height: 1.55;
  font-weight: 400;
}

.banner-copy .primary-button,
.help-hero-copy .primary-button {
  min-width: 1.12rem;
  height: 0.38rem;
  margin-top: 0.18rem;
  padding: 0 0.18rem;
  font-size: 0.14rem;
}

.banner-media {
  height: 2.5rem;
}

.hero-banner-media {
  height: 2rem;
}

.banner-media img,
.banner-media picture,
.hero-banner-media picture,
.hero-banner-media img {
  width: 100%;
  min-width: 0;
  object-fit: cover;
  object-position: center center;
}

.section {
  padding: 0.56rem 0;
  scroll-margin-top: 1.18rem;
}

.section-title {
  margin-bottom: 0.34rem;
  text-align: left;
}

.section-heading h2,
.section-title h2,
.faq-category-head h2 {
  font-size: 0.28rem;
}

.section-title p {
  font-size: 0.14rem;
  line-height: 1.7;
}

.rich-text p {
  font-size: 0.15rem;
  line-height: 1.9;
}

.split-layout,
.auth-layout {
  display: block;
}

.visual-card,
.auth-visual {
  margin-top: 0.28rem;
}

.visual-card img {
  height: 2.6rem;
}

.brand-count {
  margin-top: 0.34rem;
  font-size: 0.2rem;
}

.brand-row img {
  height: 0.48rem;
}

.help-step-card,
.order-step,
.project-card,
.review-grid article {
  border-radius: 0.16rem;
}

.help-step-grid,
.project-grid,
.review-grid {
  gap: 0.16rem;
}

.help-step-card {
  display: grid;
  grid-template-columns: 0.48rem minmax(0, 1fr);
  align-items: center;
  column-gap: 0.14rem;
  min-height: auto;
  padding: 0.26rem 0.22rem;
}

.help-step-card .step-index {
  grid-column: 1;
  grid-row: 1;
}

.help-step-card h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
}

.help-step-card p,
.help-step-card .primary-button {
  grid-column: 1 / -1;
}

.order-step h3 {
  font-size: 0.2rem;
}

.help-step-card h3 {
  font-size: 0.2rem;
}

.order-step {
  display: grid;
  grid-template-columns: 0.48rem minmax(0, 1fr);
  align-items: center;
  column-gap: 0.14rem;
  padding: 0.24rem 0.22rem;
}

.order-step .order-step-num {
  grid-column: 1;
  grid-row: 1;
}

.order-step h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
}

.order-step p,
.order-step .step-note,
.order-step .project-type-grid,
.order-step .channel-tags {
  grid-column: 1 / -1;
}

.faq-item summary {
  padding: 0.2rem 0.62rem 0.2rem 0.2rem;
  font-size: 0.16rem;
}

.faq-item summary::after {
  right: 0.2rem;
  width: 0.28rem;
  height: 0.28rem;
  background-size: 0.28rem 0.28rem;
}

.faq-answer-inner {
  padding: 0 0.2rem 0.22rem;
  font-size: 0.14rem;
  line-height: 1.85;
}

.appdown-page {
  min-height: auto;
  padding: 0.48rem 0 0.6rem;
}

.appdown-layout {
  display: flex;
  min-height: auto;
  flex-direction: column;
  align-items: stretch;
}

.appdown-copy h1 {
  font-size: 0.32rem;
}

.appdown-feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.16rem 0.12rem;
  margin-top: 0.3rem;
}

.appdown-feature-list li {
  min-width: 0;
  gap: clamp(0.08rem, 2.2vw, 0.12rem);
  font-size: clamp(0.12rem, 3.2vw, 0.15rem);
}

.appdown-feature-list img {
  width: clamp(0.3rem, 8.7vw, 0.4rem);
  height: clamp(0.3rem, 8.7vw, 0.4rem);
}

.appdown-qrcodes {
  display: none;
  gap: 0.14rem;
  margin-top: 0.4rem;
}

.appdown-qr-card {
  width: calc(50% - 0.07rem);
  height: 1.84rem;
  border-radius: 0.18rem;
  text-align: center;
}

.appdown-qr-card img {
  width: 1.22rem;
  height: 1.22rem;
}

.appdown-phone {
  align-self: center;
  margin-top: 0;
}

.mobile-app-download {
  position: fixed;
  left: 0.2rem;
  right: auto;
  bottom: calc(0.14rem + env(safe-area-inset-bottom));
  z-index: 70;
  width: calc(100vw - 0.4rem);
  height: 0.52rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.12rem;
  color: #fff;
  background: var(--brand);
  box-shadow: 0 10px 28px rgba(0, 191, 110, 0.28);
  font-size: 0.16rem;
  line-height: 1;
  font-weight: 600;
}

.back-top,
.back-top.is-visible {
  display: none;
}

.project-card {
  height: auto;
  min-height: 2.58rem;
}

.bottom-cta-main h2 {
  white-space: normal;
}

.bottom-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 0.24rem;
}

.bottom-metric {
  display: block;
  min-width: 0;
  padding-right: 0.08rem;
  text-align: left;
}

.bottom-metric img,
.bottom-metric:not(:last-child)::after {
  display: none;
}

.bottom-metric span,
.bottom-metric strong {
  display: block;
  white-space: normal;
}

.bottom-metric span {
  font-size: 0.11rem;
  line-height: 1.35;
}

.bottom-metric strong,
.bottom-metric:nth-child(3) strong {
  margin-top: 0.06rem;
  font-size: 0.24rem;
  line-height: 1.1;
}

.bottom-action {
  width: 100%;
  justify-self: stretch;
  align-items: stretch;
}

.bottom-action a {
  width: 100%;
  height: 0.52rem;
  font-size: 0.16rem;
  line-height: 1;
}

.site-footer,
.footer-benefits,
.footer-record {
  display: none;
}