@charset "UTF-8";

:root {
  --page: #f2f4f7;
  --card: #ffffff;
  --green: #22a06b;
  --green-deep: #178054;
  --ink: #1b2a25;
  --muted: #63736c;
  --line: #dde4e9;
  --shell: 1160px;
  --header-height: 66px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 16px); }
body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
svg { display: block; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.4;
}
.eyebrow::before {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  content: "";
  background: currentColor;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(242, 244, 247, .94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.nav-shell {
  display: flex;
  align-items: center;
  width: min(calc(100% - 48px), var(--shell));
  min-height: var(--header-height);
  margin: 0 auto;
  gap: 18px;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 9px; font-size: 20px; font-weight: 800; letter-spacing: -.2px; }
.brand img { width: 34px; height: 34px; border-radius: 10px; object-fit: contain; background: #fff; }
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(12px, 1.8vw, 24px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 6px 0; color: #4d5c55; font-size: 13px; font-weight: 700; border-bottom: 2px solid transparent; }
.primary-nav a:hover { border-bottom-color: var(--green); color: var(--green); }
.nav-actions { display: flex; align-items: center; flex: none; gap: 10px; }
.nav-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 17px;
  border: 1px solid var(--green);
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-size: 12.5px;
  font-weight: 800;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: #fff; color: var(--green); }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .18s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* hero: 左设置面板 + 右手机 + 底部格式标签 */
.hero {
  position: relative;
  padding: 52px 0 0;
  overflow: hidden;
  background:
    radial-gradient(520px 300px at 86% 4%, rgba(34, 160, 107, .12), transparent 70%),
    linear-gradient(180deg, #ffffff, var(--page) 88%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 310px);
  align-items: center;
  gap: clamp(22px, 4vw, 54px);
  padding-bottom: 26px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid #cfe6d9;
  border-radius: 999px;
  margin: 0 0 14px;
  color: #2b8060;
  background: #f2fbf6;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.4px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(38px, 5.2vw, 62px);
  font-weight: 900;
  letter-spacing: clamp(-1.6px, -.4vw, -2.4px);
  line-height: 1.05;
}
.hero-subtitle {
  margin: 14px 0 0;
  color: var(--green);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  line-height: 1.45;
}
.hero-lead { max-width: 520px; margin: 12px 0 0; color: var(--muted); font-size: 14px; }

.setting-panel {
  max-width: 430px;
  padding: 14px 16px;
  margin: 24px 0 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 26px rgba(27, 42, 37, .06);
}
.setting-row { display: flex; align-items: center; gap: 9px; padding: 8px 0; border-bottom: 1px solid #edf1f4; }
.setting-row:last-child { border-bottom: 0; }
.setting-label { flex: none; width: 34px; color: #7a8a83; font-size: 11.5px; font-weight: 700; }
.setting-step {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 26px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #4a5a53;
  font-size: 11px;
  font-weight: 800;
}
.setting-value {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 26px;
  border-radius: 6px;
  background: #eafaf2;
  color: #17805a;
  font-size: 12.5px;
  font-weight: 900;
}
.swatch { flex: none; width: 26px; height: 20px; border: 1px solid var(--line); border-radius: 5px; }
.swatch-a { background: #fdf8ef; }
.swatch-b { background: #eef2f6; }
.swatch-c { background: #26313a; }
.swatch.is-on { border-color: var(--green); box-shadow: 0 0 0 2px rgba(34, 160, 107, .18); }
.setting-chip {
  flex: none;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #5f6f68;
  font-size: 11px;
  font-weight: 700;
}
.setting-chip.is-on { border-color: transparent; background: var(--green); color: #fff; }
.setting-hint { margin-left: auto; color: #9aa9a2; font-size: 10.5px; }

.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 24px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--green); color: #fff; box-shadow: 0 12px 26px rgba(34, 160, 107, .26); }
.button-primary:hover { background: #1b8d5e; transform: translateY(-2px); }
.button-large { min-height: 52px; padding: 0 32px; font-size: 15px; }
.text-link { color: #3f6b58; border-bottom: 1px dashed #a8cabb; font-size: 13px; font-weight: 700; }
.text-link span { margin-left: 4px; color: var(--green); }

.hero-phone {
  justify-self: center;
  width: min(100%, 262px);
  padding: 9px 9px 11px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 22px 44px rgba(27, 42, 37, .14);
}
.hero-phone img { width: 100%; height: auto; aspect-ratio: 760 / 1644; object-fit: cover; border-radius: 18px; }
.hero-phone figcaption { padding: 10px 6px 2px; color: #82948c; font-size: 10.5px; text-align: center; }

.format-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0 24px;
  margin: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}
.format-bar li {
  padding: 5px 14px;
  border: 1px solid #d7e6dd;
  border-radius: 999px;
  background: #fff;
  color: #3f6b58;
  font-family: Consolas, "Courier New", monospace;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .6px;
}

/* features: 图标左置横卡 2×2 */
.features { padding: 58px 0 62px; background: #fff; }
.section-heading { margin-bottom: 28px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(23px, 2.6vw, 31px); font-weight: 900; letter-spacing: -.6px; line-height: 1.32; }
.section-heading > p:last-child { max-width: 640px; margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(200px, 300px); align-items: end; gap: 26px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.feature-card { display: flex; align-items: flex-start; gap: 14px; padding: 20px 20px 18px; border: 1px solid var(--line); border-radius: 12px; background: #fbfcfd; }
.feature-mark {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--green), #4fc48c);
  position: relative;
}
.feature-mark::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  border: 2px solid #fff;
  border-radius: 3px;
  content: "";
  transform: translate(-50%, -50%) rotate(45deg);
}
.feature-card h3 { margin: 0 0 5px; font-size: 16.5px; font-weight: 800; }
.feature-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* shots: 左大图 + 右二小图 */
.shots { padding: 56px 0 62px; background: var(--page); }
.shot-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; align-items: start; }
.shot-main, .shot-small { margin: 0; border: 1px solid var(--line); border-radius: 12px; background: #fff; overflow: hidden; }
.shot-main img, .shot-small img { width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; object-position: top center; }
.shot-main figcaption, .shot-small figcaption { display: flex; flex-direction: column; gap: 3px; padding: 11px 13px 13px; border-top: 1px solid #edf1f4; }
.shot-main figcaption b, .shot-small figcaption b { color: var(--green); font-size: 12.5px; font-weight: 800; }
.shot-main figcaption span, .shot-small figcaption span { color: var(--muted); font-size: 11.5px; }
.shot-side { display: contents; }

/* faq: 单列，左侧绿条 */
.faq { padding: 58px 0 64px; background: #fff; }
.faq-layout { max-width: 900px; }
.faq-heading { margin-bottom: 22px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); border-left: 3px solid transparent; padding-left: 14px; transition: border-color .18s ease; }
.faq-list details[open] { border-left-color: var(--green); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 16px 0; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary h3 { margin: 0; font-size: 15px; font-weight: 800; }
.faq-list summary i { position: relative; flex: none; width: 18px; height: 18px; }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 12px; height: 2px; border-radius: 2px; content: ""; background: #9fb2a8; transform: translate(-50%, -50%); }
.faq-list summary i::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .2s ease; }
.faq-list details[open] summary i::after { transform: translate(-50%, -50%) rotate(0); }
.faq-list details[open] summary i::before,
.faq-list details[open] summary i::after { background: var(--green); }
.faq-list details p { padding: 0 34px 16px 0; margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.9; }

/* reviews: 单列带头像 */
.reviews { padding: 58px 0 64px; background: var(--page); }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; }
.review-card { display: flex; align-items: flex-start; gap: 12px; padding: 18px 18px 16px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.review-avatar {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #eafaf2;
  color: #17805a;
  font-size: 13px;
  font-weight: 800;
}
.review-meta { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.review-meta b { font-size: 13px; font-weight: 800; }
.review-meta time { color: #97a69f; font-size: 10px; }
.review-card p { margin: 0; color: #4c5b54; font-size: 13px; line-height: 1.8; }

/* steps: 横向三卡 */
.steps { padding: 56px 0 60px; background: #fff; }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; }
.step-list li { padding: 20px 18px 18px; border: 1px solid var(--line); border-radius: 12px; background: #fbfcfd; }
.step-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  margin-bottom: 9px;
  background: #eafaf2;
  color: #17805a;
  font-size: 12px;
  font-weight: 900;
}
.step-list h3 { margin: 0 0 5px; font-size: 16px; font-weight: 800; }
.step-list p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* download: 深绿通栏，左文右按钮 */
.download { padding: 0; }
.download-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px 40px;
  width: 100%;
  max-width: none;
  padding: 42px max(24px, calc((100% - var(--shell)) / 2 + 24px));
  background: linear-gradient(112deg, #17805a, #22a06b 62%, #2bb87c);
  color: #eafaf2;
}
.download .eyebrow { color: #b9ecd4; }
.download .eyebrow::before { background: #b9ecd4; }
.download h2 { color: #fff; }
.download-inner > p:last-of-type { max-width: 520px; margin: 10px 0 0; color: #cdeede; font-size: 13.5px; }
.download .button-primary { background: #fff; color: #17805a; box-shadow: 0 12px 24px rgba(9, 60, 40, .25); }
.download .button-primary:hover { background: #eafaf2; }
.download-notes { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 18px 0 0; margin: 0; border-top: 1px solid rgba(255, 255, 255, .24); list-style: none; }
.download-notes li { color: #c6ebd9; font-size: 11.5px; }
.download-notes li::before { margin-right: 7px; content: "·"; }

/* footer */
.site-footer { padding: 38px 0 46px; border-top: 1px solid var(--line); background: var(--page); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px 36px; align-items: start; }
.footer-brand strong { font-size: 16.5px; font-weight: 800; }
.footer-brand p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-nav a { color: #4d5c55; font-size: 12px; }
.footer-nav a:hover { color: var(--green); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-meta p { margin: 0; }
.footer-meta a { color: var(--muted); }
.disclaimer { grid-column: 1 / -1; margin: 0; color: #939f99; font-size: 11.5px; line-height: 1.8; }

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) 260px; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 6px 24px 14px;
    border-bottom: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 16px 26px rgba(27, 42, 37, .1);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .hero-grid { grid-template-columns: 1fr; justify-items: start; }
  .hero-phone { justify-self: start; width: min(300px, 76%); }
  .shot-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-inner { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero { padding-top: 36px; }
  .hero h1 { font-size: 38px; }
  .setting-hint { display: none; }
  .review-list { grid-template-columns: 1fr; }
  .step-list { grid-template-columns: 1fr; }
  .shot-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .download-inner { padding: 32px 16px; }
}
@media (max-width: 380px) {
  .brand { font-size: 16px; gap: 6px; }
  .brand img { width: 28px; height: 28px; }
  .nav-actions { gap: 7px; }
  .nav-download { min-height: 32px; padding: 0 10px; font-size: 10.5px; }
  .menu-toggle { width: 32px; height: 32px; }
  .hero h1 { font-size: 32px; }
  .setting-row { gap: 7px; }
  .setting-chip { padding: 3px 8px; }
  .button { width: 100%; }
}