@charset "UTF-8";

:root {
  --bg: #FFF6FB;
  --bg-2: #FDEBF5;
  --panel: #FFFFFF;
  --line: #F3D3E6;
  --ink: #312E81;
  --muted: #6E659B;
  --pink: #F9A8D4;
  --pink-deep: #E879B9;
  --deep: #312E81;
  --shell: 1160px;
  --header-height: 70px;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { 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(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
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(--deep); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--pink-deep);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.2px;
  line-height: 1.4;
}
.eyebrow::before { width: 15px; height: 2px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 246, 251, .96);
  backdrop-filter: blur(12px);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  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: 900; letter-spacing: .5px; }
.brand img { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; object-fit: contain; background: #fff; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--deep);
  color: #fff;
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(11px, 1.7vw, 22px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 7px 0; border-bottom: 2px solid transparent; color: var(--muted); font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--pink-deep); color: var(--deep); }
.nav-actions { display: flex; align-items: center; flex: none; gap: 10px; }
.nav-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  gap: 8px;
  padding: 0 17px;
  border: 1px solid var(--deep);
  border-radius: 999px;
  background: var(--deep);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: var(--pink); border-color: var(--pink); color: var(--deep); }
.nav-download svg, .button svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: #fff; cursor: pointer; }
.menu-toggle span { display: block; width: 17px; height: 2px; margin: 5px auto; background: var(--deep); 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 */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(520px 320px at 88% 4%, rgba(249, 168, 212, .5), transparent 72%),
    radial-gradient(420px 280px at 2% 96%, rgba(49, 46, 129, .07), transparent 74%),
    linear-gradient(180deg, #FFF2F9 0%, var(--bg) 100%);
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  align-items: center;
  gap: clamp(22px, 3.6vw, 48px);
  padding: 54px 0 44px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.2px;
}
.hero-kicker b {
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--deep);
  color: #fff;
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 1.2px;
}
.hero h1 { margin: 0; font-size: clamp(52px, 7.4vw, 92px); font-weight: 900; letter-spacing: clamp(-1px, -.3vw, -3px); line-height: .98; }
.hero-subtitle { margin: 16px 0 0; color: var(--pink-deep); font-size: clamp(17px, 2vw, 23px); font-weight: 800; line-height: 1.4; }
.hero-lead { max-width: 520px; margin: 13px 0 0; color: var(--muted); font-size: 14.5px; }
.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: 50px;
  gap: 13px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--deep); color: #fff; box-shadow: 0 14px 26px rgba(49, 46, 129, .22); }
.button-primary:hover { background: var(--pink); color: var(--deep); transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 32px; font-size: 15px; }
.text-link { color: var(--deep); border-bottom: 1px dashed var(--pink-deep); font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--pink-deep); }

/* S 形圆点链 */
.chain-stage {
  min-width: 0;
  padding: 20px 20px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(165deg, #FFFFFF 0%, #FFF0F8 100%);
  box-shadow: 0 20px 40px rgba(49, 46, 129, .1);
}
.chain-head { display: flex; align-items: center; justify-content: space-between; margin: 0 0 8px; color: var(--deep); font-family: var(--mono); font-size: 11px; letter-spacing: 1.4px; }
.chain-head b { color: var(--pink-deep); font-weight: 700; }
.chain-canvas { position: relative; height: 236px; }
.chain-svg { width: 100%; height: 100%; }
.chain-track { fill: none; stroke: #FBE0EF; stroke-width: 2; stroke-dasharray: 5 7; }
.chain-dots {
  fill: none;
  stroke: var(--pink);
  stroke-width: 13;
  stroke-linecap: round;
  stroke-dasharray: .1 21;
}
.chain-node {
  position: absolute;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  white-space: nowrap;
}
.node-a { top: 8%; left: 62%; }
.node-b { top: 44%; left: 6%; }
.node-c { top: 76%; left: 58%; }
.chain-badge {
  position: absolute;
  right: -6px;
  bottom: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px 5px 10px;
  border-radius: 999px;
  background: var(--deep);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  box-shadow: 0 8px 16px rgba(49, 46, 129, .26);
}
.chain-badge::before { width: 7px; height: 7px; border-radius: 50%; content: ""; background: var(--pink); }
.chain-badge b { font-family: var(--mono); font-size: 10px; font-weight: 400; }
.chain-cal { padding-top: 12px; border-top: 1px dashed var(--line); }
.cal-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin: 0 0 8px; color: var(--deep); font-size: 12px; font-weight: 900; }
.cal-head b { color: var(--muted); font-family: var(--mono); font-size: 10px; font-weight: 400; }
.cal-row { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 5px; padding: 0; margin: 0; list-style: none; }
.cal-row li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 7px 0 6px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: var(--muted);
  font-size: 11px;
}
.cal-row i { width: 6px; height: 6px; border-radius: 50%; background: #EADFF0; }
.cal-row .is-on { border-color: var(--pink); background: #FFF4FA; color: var(--deep); font-weight: 800; }
.cal-row .is-on i { background: var(--pink-deep); }

/* features 左大右三小 */
.features { padding: 70px 0 74px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 30px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(23px, 2.7vw, 33px); font-weight: 900; letter-spacing: -.5px; line-height: 1.3; }
.section-heading > p:last-child { max-width: 600px; margin: 11px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(180px, 290px); align-items: end; gap: 24px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.feature-grid { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr); grid-template-rows: repeat(3, auto); gap: 12px; }
.feature-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.feature-main {
  grid-row: span 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px 24px;
  border-radius: 18px;
  background: linear-gradient(170deg, #FFFFFF 0%, #FCE7F3 100%);
  border-left: 4px solid var(--pink-deep);
}
.feature-no { display: block; margin-bottom: 8px; color: var(--pink-deep); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 1.4px; }
.feature-card h3 { margin: 0 0 6px; font-size: 17px; font-weight: 900; }
.feature-main h3 { font-size: clamp(20px, 2.2vw, 26px); }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.8px; line-height: 1.8; }
.feature-main p { font-size: 13.5px; }
.feature-bar { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin-top: 20px; }
.feature-bar i { height: 6px; border-radius: 999px; background: var(--pink); }
.feature-bar i:nth-child(2) { opacity: .75; }
.feature-bar i:nth-child(3) { opacity: .5; }
.feature-bar i:nth-child(4) { opacity: .3; }

/* shots 2x2 */
.shots { padding: 70px 0 76px; }
.shot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.shot-card { margin: 0; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); overflow: hidden; }
.shot-card img { width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; object-position: center 4%; }
.shot-card figcaption { display: flex; align-items: baseline; gap: 8px; padding: 11px 14px 12px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--pink-deep); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption span { display: flex; flex-direction: column; font-size: 13px; font-weight: 800; line-height: 1.4; }
.shot-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* faq */
.faq { padding: 68px 0 74px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: clamp(22px, 3.6vw, 48px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 24px); align-self: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.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: 900; }
.faq-list summary i { position: relative; flex: none; width: 22px; height: 22px; border: 1px solid var(--pink); border-radius: 50%; }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 9px; height: 1.5px; content: ""; background: var(--pink-deep); 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 p { padding: 0 26px 16px 0; margin: 0; color: var(--muted); font-size: 13.4px; line-height: 1.85; }

/* reviews 双列 */
.reviews { padding: 70px 0 76px; }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; }
.review-card {
  padding: 17px 19px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  border-top: 3px solid var(--pink);
}
.review-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 6px; }
.review-meta b { color: var(--deep); font-size: 13px; font-weight: 900; }
.review-meta time { color: #A695C2; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: #5B5384; font-size: 13px; line-height: 1.75; }

/* steps 横排带编号 */
.steps { padding: 66px 0 72px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; counter-reset: step; }
.step-list li {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.step-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 10px;
  border-radius: 50%;
  background: var(--deep);
  color: #fff;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}
.step-list h3 { margin: 0 0 4px; font-size: 16px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.8px; line-height: 1.7; }

/* download 右文左按钮 */
.download { padding: 24px 0; }
.download-inner {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  align-items: center;
  gap: clamp(20px, 3.4vw, 44px);
  padding: 40px clamp(22px, 4.4vw, 52px);
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(380px 220px at 8% 0%, rgba(249, 168, 212, .55), transparent 72%),
    linear-gradient(120deg, #FFFFFF, #FDF0F8 88%);
}
.download-side { min-width: 0; padding-right: 8px; border-right: 1px dashed var(--line); }
.download-copy { min-width: 0; }
.download h2 { max-width: 560px; }
.download-copy p { max-width: 520px; margin: 12px 0 0; color: var(--muted); font-size: 13.6px; }
.download-notes { display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 14px 0 0; margin: 16px 0 0; border-top: 1px dashed var(--line); list-style: none; }
.download-notes li { color: var(--pink-deep); font-family: var(--mono); font-size: 10.5px; }
.download-notes li::before { margin-right: 6px; content: "·"; }

/* footer */
.site-footer { padding: 40px 0 48px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 36px; align-items: start; }
.footer-brand strong { font-size: 18px; font-weight: 900; }
.footer-brand p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-nav a { color: var(--muted); font-size: 12px; }
.footer-nav a:hover { color: var(--pink-deep); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-meta p { margin: 0; }
.disclaimer { grid-column: 1 / -1; margin: 0; color: #8D82AE; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 340px); gap: 22px; }
  .chain-canvas { height: 216px; }
  .feature-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .feature-main { grid-column: 1 / -1; grid-row: auto; }
  .download-inner { grid-template-columns: 1fr; }
  .download-side { padding-right: 0; padding-bottom: 22px; border-right: 0; border-bottom: 1px dashed var(--line); }
}
@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 14px 24px rgba(49, 46, 129, .14);
  }
  .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; padding: 42px 0 34px; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
}
@media (max-width: 768px) {
  .section-heading-split { grid-template-columns: 1fr; gap: 9px; }
  .section-heading-split > p:last-child { margin: 0; }
  .review-list { grid-template-columns: 1fr; }
  .step-list { grid-template-columns: 1fr; }
  .step-list li { display: grid; grid-template-columns: 40px minmax(0, 1fr); align-items: start; gap: 4px 14px; }
  .step-list span { margin-bottom: 0; }
  .shot-grid { gap: 12px; }
}
@media (max-width: 560px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(44px, 13vw, 60px); }
  .hero-lead { font-size: 14px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-main { grid-column: auto; }
  .shot-card figcaption span { font-size: 12px; }
  .chain-stage { padding: 16px 14px 14px; }
  .chain-canvas { height: 190px; }
  .cal-row { gap: 4px; }
  .cal-row li { font-size: 10px; padding: 6px 0 5px; }
  .footer-grid { grid-template-columns: 1fr; }
  .button { width: 100%; }
  .download-inner { padding: 30px 20px; }
}
@media (max-width: 380px) {
  .brand { font-size: 16px; gap: 6px; }
  .brand img { width: 30px; height: 30px; }
  .brand-tag { display: none; }
  .nav-download { min-height: 34px; padding: 0 9px; font-size: 11px; gap: 5px; }
  .nav-download svg { width: 14px; height: 14px; }
  .menu-toggle { width: 34px; height: 34px; }
  .hero h1 { font-size: 40px; }
  .hero-subtitle { font-size: 16px; }
  .chain-node { font-size: 9px; padding: 1px 5px; }
  .chain-badge { right: 0; font-size: 10px; padding: 4px 9px; }
}