/* 官网及新增政策页共用；历史协议继续使用 site.css，保留其原展示。 */
:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: #302b27;
  background: #fffaf4;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #a83c0a;
  outline-offset: 5px;
}
img {
  max-width: 100%;
}
.page {
  width: min(1160px, calc(100% - 64px));
  margin: 0 auto;
}
.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 5;
  padding: 12px;
  background: white;
}
.skip-link:focus {
  top: 12px;
}
.header {
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 24px 0;
  border-bottom: 1px solid #ebe2d8;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
  font-size: 25px;
  font-weight: 750;
}
.brand img {
  border-radius: 11px;
}
.brand small {
  display: block;
  font-size: 10px;
  color: #77695e;
  font-weight: 400;
  letter-spacing: 1px;
  margin-top: 3px;
}
.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-left: auto;
  font-size: 13px;
}
.main-nav a,
.footer nav a {
  text-decoration: none;
}
.main-nav a:hover,
.footer a:hover {
  color: #b2420b;
  text-decoration: underline;
}
.header-download {
  flex-shrink: 0;
  text-decoration: none;
  background: #f7e9db;
  padding: 12px 16px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 650;
}
.header-download span {
  margin-left: 12px;
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 40px;
  padding: 66px 0 70px;
}
.eyebrow {
  margin: 0 0 20px;
  color: #a84412;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
}
h1 {
  font-size: clamp(42px, 4.8vw, 66px);
  line-height: 1.24;
  letter-spacing: -2px;
  margin: 0;
  font-weight: 800;
}
h1 span {
  color: #c64b0a;
}
.hero-intro {
  color: #6d6056;
  line-height: 1.95;
  font-size: 17px;
  margin: 28px 0;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin: 28px 0 20px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 17px 24px;
  border-radius: 12px;
  background: #bd460b;
  color: white;
  text-decoration: none;
  font-size: 16px;
  font-weight: 650;
}
.button:hover {
  background: #a63705;
}
.button span {
  font-size: 22px;
}
.text-link {
  font-size: 14px;
  font-weight: 600;
}
.text-link span {
  margin-left: 8px;
}
.small-text {
  color: #77695e;
  font-size: 12px;
  line-height: 1.8;
}
.hero-visual {
  position: relative;
  display: grid;
  justify-items: center;
  margin: 0;
  padding: 12px 0 0;
}
.visual-orbit {
  position: absolute;
  top: 14%;
  width: min(100%, 440px);
  aspect-ratio: 1;
  border: 1px solid #ebc6a7;
  border-radius: 50%;
  background: radial-gradient(circle, #f8d5b0, #fff0df 65%, transparent 66%);
}
.phone {
  position: relative;
  width: 248px;
  padding: 7px;
  background: #302b27;
  border-radius: 35px;
  box-shadow: 0 24px 50px #74461c25;
}
.phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 28px;
}
.visual-label {
  position: absolute;
  left: 0;
  bottom: 19%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border: 1px solid #efdfce;
  border-radius: 14px;
  background: #fffefa;
  font-size: 14px;
  box-shadow: 0 6px 20px #74461c10;
}
.visual-label > span {
  font-size: 34px;
  color: #bd460b;
}
.visual-label small {
  display: block;
  color: #77695e;
  font-size: 11px;
  margin-top: 5px;
}
.hero-visual figcaption {
  margin-top: 25px;
  color: #77695e;
  font-size: 11px;
  letter-spacing: 2px;
}
.section {
  padding-top: 76px;
  padding-bottom: 76px;
  scroll-margin-top: 24px;
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 42px;
}
.section-heading .eyebrow {
  margin-bottom: 12px;
}
h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.8px;
  line-height: 1.4;
}
.section-heading > p {
  max-width: 460px;
  margin: 0;
  color: #77695e;
  font-size: 14px;
  line-height: 1.9;
}
.product-section {
  background: #fff;
  border-top: 1px solid #f1e8de;
  border-bottom: 1px solid #f1e8de;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
}
.product-shot {
  margin: 0;
  min-width: 0;
}
.shot-frame {
  display: flex;
  justify-content: center;
  padding: 28px 28px 0;
  border-radius: 20px;
  background: #f6f3ed;
  overflow: hidden;
}
.product-shot:nth-child(2) .shot-frame {
  background: #edf1e9;
}
.product-shot:nth-child(3) .shot-frame {
  background: #fff0df;
}
.shot-frame img {
  display: block;
  width: 100%;
  max-width: 230px;
  height: auto;
  border: 5px solid #302b27;
  border-bottom: 0;
  border-radius: 24px 24px 0 0;
}
.product-shot figcaption {
  position: relative;
  padding: 24px 0 0 39px;
}
.step-number {
  position: absolute;
  top: 28px;
  left: 0;
  font-size: 12px;
  color: #b2420b;
  font-weight: 700;
}
h3 {
  font-size: 18px;
  line-height: 1.5;
  margin: 0 0 10px;
}
.product-shot p {
  font-size: 14px;
  color: #77695e;
  line-height: 1.8;
  margin: 0;
}
.image-note {
  margin: 30px 0 0;
  font-size: 12px;
  line-height: 1.85;
  color: #77695e;
}
.service-strip {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
  border-top: 1px solid #eee5dc;
  padding-top: 24px;
  margin-top: 28px;
}
.service-strip strong {
  font-size: 16px;
}
.service-strip p {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: #77695e;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 0;
  margin: 0 0 64px;
  list-style: none;
}
.steps li > span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #f8e6d2;
  color: #a73b08;
  margin-bottom: 20px;
  font-size: 16px;
  font-weight: 700;
}
.steps p {
  font-size: 14px;
  line-height: 1.9;
  color: #77695e;
  margin: 0;
}
.faq-block {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  border-top: 1px solid #e8ddd1;
  padding-top: 34px;
}
.faq-block > h3 {
  font-size: 24px;
}
.faq-list details {
  border-bottom: 1px solid #e8ddd1;
}
.faq-list summary {
  padding: 19px 28px 19px 0;
  cursor: pointer;
  font-size: 15px;
  line-height: 1.7;
}
.faq-list details:first-child summary {
  padding-top: 0;
}
.faq-list p {
  color: #6d6056;
  line-height: 1.9;
  font-size: 14px;
  margin: 0 0 22px;
}
.about-section {
  background: #f4ede4;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 88px;
  align-items: start;
}
.about-copy {
  font-size: 15px;
  line-height: 2;
  color: #6d6056;
  margin: 25px 0 0;
}
.contact-card {
  background: #fffaf4;
  border-radius: 20px;
  padding: 32px;
}
.contact-card h3 {
  margin-bottom: 24px;
}
.contact-card dl {
  margin: 0;
}
.contact-card dt {
  font-size: 12px;
  color: #77695e;
  margin-top: 20px;
}
.contact-card dd {
  margin: 7px 0 0;
  line-height: 1.75;
  font-size: 14px;
  overflow-wrap: anywhere;
}
.contact-email {
  color: #a73b08;
  font-size: 20px;
  font-weight: 650;
  text-decoration: none;
}
.contact-card .small-text {
  border-top: 1px solid #e8ddd1;
  padding-top: 20px;
  margin: 24px 0 0;
}
.download-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  background: #fbe6cf;
  border-radius: 22px;
  padding: 44px;
}
.download-panel .eyebrow {
  margin-bottom: 12px;
}
.download-panel p {
  font-size: 14px;
  color: #6d6056;
  line-height: 1.8;
}
.download-meta {
  margin: 16px 0 0;
}
.download-action {
  flex-shrink: 0;
  text-align: center;
}
.download-action p {
  font-size: 11px;
  margin-bottom: 0;
}
.release-note {
  color: #77695e;
  font-size: 12px;
  line-height: 1.9;
  margin: 20px 4px 0;
}
.footer {
  border-top: 1px solid #e8ddd1;
  padding: 30px 0;
  background: #fffaf4;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer .brand {
  font-size: 20px;
}
.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  font-size: 13px;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  border-top: 1px solid #e8ddd1;
  padding-top: 22px;
  margin-top: 25px;
  color: #77695e;
  font-size: 11px;
  line-height: 1.9;
}
.footer-bottom p {
  margin: 0;
}
/* 政策正文使用可跳转目录；在窄屏按同一阅读顺序排列。 */
.policy-heading {
  padding: 48px 0 30px;
}
.breadcrumb {
  color: #77695e;
  font-size: 13px;
  margin: 0 0 24px;
}
.policy-heading h1 {
  font-size: 40px;
  letter-spacing: -1px;
}
.policy-meta {
  color: #77695e;
  font-size: 13px;
  line-height: 1.9;
}
.policy-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
  padding-bottom: 72px;
}
.policy-toc {
  position: sticky;
  top: 25px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 13px;
  line-height: 1.7;
}
.policy-toc a {
  text-decoration: none;
}
.policy-content {
  min-width: 0;
  background: #fff;
  border: 1px solid #eee5dc;
  border-radius: 18px;
  padding: 32px 38px;
}
.policy-content section {
  scroll-margin-top: 24px;
}
.policy-content h2 {
  font-size: 23px;
  margin: 36px 0 16px;
}
.policy-content section:first-child h2 {
  margin-top: 0;
}
.policy-content h3 {
  font-size: 17px;
  margin: 24px 0 10px;
}
.policy-content p,
.policy-content li {
  font-size: 14px;
  line-height: 1.95;
}
.policy-content p {
  margin: 12px 0;
}
.policy-content li {
  margin-bottom: 8px;
}
.policy-content ul {
  padding-left: 22px;
}
.policy-content a {
  overflow-wrap: anywhere;
  color: #a73b08;
}
.policy-notice {
  padding: 18px 20px;
  background: #fff3e3;
  border-left: 3px solid #d87730;
  border-radius: 0 8px 8px 0;
}
.policy-content .data-list {
  margin: 20px 0;
}
.data-list > div {
  padding: 18px 0;
  border-bottom: 1px solid #eee5dc;
}
.data-list dt {
  font-weight: 650;
  font-size: 15px;
}
.data-list dd {
  margin: 8px 0 0;
  color: #6d6056;
  font-size: 14px;
  line-height: 1.9;
}
@media (max-width: 1000px) {
  .header {
    flex-wrap: wrap;
    gap: 20px;
  }
  .main-nav {
    order: 3;
    width: 100%;
    margin: 0;
    justify-content: space-between;
  }
  .header-download {
    margin-left: auto;
  }
  .hero {
    gap: 20px;
  }
  .visual-label {
    left: -12px;
  }
  .about-grid {
    gap: 40px;
  }
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }
  .section-heading > p {
    max-width: none;
  }
  .shot-frame {
    padding: 20px 16px 0;
  }
  .policy-layout {
    gap: 30px;
    grid-template-columns: 160px minmax(0, 1fr);
  }
}
@media (max-width: 700px) {
  .page {
    width: calc(100% - 40px);
  }
  .header {
    padding: 18px 0;
  }
  .main-nav {
    gap: 14px 20px;
    justify-content: flex-start;
    font-size: 12px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 42px 0 48px;
    gap: 36px;
  }
  .hero-copy {
    text-align: center;
  }
  h1 {
    font-size: clamp(37px, 10vw, 55px);
    letter-spacing: -1px;
  }
  .hero-intro {
    font-size: 15px;
    margin: 22px 0;
  }
  .hero-actions {
    justify-content: center;
    gap: 18px;
  }
  .hero-visual {
    width: min(100%, 380px);
    margin: 0 auto;
  }
  .phone {
    width: 208px;
    border-radius: 29px;
  }
  .phone img {
    border-radius: 22px;
  }
  .visual-label {
    left: 0;
    bottom: 18%;
    padding: 10px 12px;
    font-size: 12px;
  }
  .visual-label small {
    font-size: 10px;
  }
  .visual-label > span {
    font-size: 26px;
  }
  .section {
    padding-top: 48px;
    padding-bottom: 48px;
  }
  .section-heading {
    margin-bottom: 30px;
  }
  .product-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }
  .shot-frame {
    padding: 24px 24px 0;
  }
  .shot-frame img {
    max-width: 230px;
  }
  .product-shot figcaption {
    max-width: 450px;
    margin: 0 auto;
  }
  .service-strip {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 40px;
  }
  .steps li {
    position: relative;
    padding-left: 56px;
  }
  .steps li > span {
    position: absolute;
    left: 0;
    top: 0;
  }
  .faq-block {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .faq-block > h3 {
    font-size: 23px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .contact-card {
    padding: 24px;
  }
  .download-panel {
    flex-direction: column;
    align-items: stretch;
    padding: 28px 24px;
    gap: 22px;
  }
  .download-action {
    text-align: left;
  }
  .download-action .button {
    width: 100%;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
  .policy-heading {
    padding-top: 36px;
  }
  .policy-heading h1 {
    font-size: 30px;
  }
  .policy-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .policy-toc {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px 20px;
  }
  .policy-content {
    padding: 24px 20px;
  }
  .policy-content h2 {
    font-size: 21px;
  }
}
