@charset "UTF-8";

:root {
  --bg: #F7F5FD;
  --bg-2: #EFEBFA;
  --ink: #221C36;
  --muted: #6E6688;
  --violet: #5B3FC4;
  --violet-deep: #432C99;
  --violet-soft: #E8E2FA;
  --orange: #F2892F;
  --line: #DFD8F2;
  --shell: 1150px;
  --header-height: 68px;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 18px); }
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: 1.75;
  overflow-wrap: anywhere;
}
img { display: block; max-width: 100%; height: auto; }
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(--violet); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 13px; padding: 3px 10px; border-radius: 999px; background: var(--violet-soft); color: var(--violet-deep); font-size: 11px; font-weight: 800; letter-spacing: 1.4px; line-height: 1.5; }
.eyebrow::before { width: 5px; height: 5px; content: ""; border-radius: 50%; background: var(--orange); }

/* header */
.site-header { position: sticky; top: 0; z-index: 60; border-bottom: 1px solid var(--line); background: rgba(247, 245, 253, .96); backdrop-filter: blur(10px); }
.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: 18px; font-weight: 900; }
.brand img { width: 38px; height: 38px; border-radius: 10px; object-fit: contain; background: #fff; box-shadow: 0 0 0 1px var(--line); }
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(10px, 1.5vw, 22px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 6px 0; border-bottom: 2px solid transparent; color: #615a7c; font-size: 12.5px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--violet); color: var(--ink); }
.nav-actions { display: flex; align-items: center; flex: none; gap: 10px; }
.nav-download { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; gap: 7px; padding: 0 15px; border-radius: 8px; background: var(--violet); color: #fff; font-size: 12.5px; font-weight: 900; white-space: nowrap; box-shadow: 0 8px 18px -10px rgba(91, 63, 196, .9); transition: background .18s ease; }
.nav-download:hover { background: var(--violet-deep); }
.nav-download svg, .button svg { width: 17px; height: 17px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 17px; height: 2px; margin: 4.5px auto; background: var(--ink); transition: transform .18s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }

/* hero */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background:
  radial-gradient(62% 90% at 92% 4%, #EDE6FF 0%, rgba(237, 230, 255, 0) 66%),
  linear-gradient(180deg, #FBF9FF, var(--bg) 84%); }
.hero::before { position: absolute; right: 46%; bottom: -90px; width: 240px; height: 240px; border-radius: 50%; content: ""; background: radial-gradient(circle, rgba(242, 137, 47, .16), rgba(242, 137, 47, 0) 68%); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); align-items: center; gap: clamp(28px, 4.4vw, 60px); padding: 56px 0 62px; }
.hero-copy { min-width: 0; }
.hero-kicker { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 8px; margin: 0 0 15px; color: var(--muted); font-size: 12px; }
.hero-kicker b { padding: 2px 8px; border-radius: 999px; background: #FFEBD8; color: #B45F13; font-size: 10.5px; }
.hero h1 { margin: 0; font-size: clamp(38px, 5.4vw, 66px); font-weight: 900; letter-spacing: clamp(-.5px, -.24vw, -2px); line-height: 1.08; }
.hero-subtitle { margin: 15px 0 0; color: var(--violet-deep); font-size: clamp(17px, 1.9vw, 21px); font-weight: 800; line-height: 1.45; }
.hero-lead { max-width: 510px; margin: 13px 0 0; color: var(--muted); font-size: 14.5px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; gap: 11px; padding: 0 26px; border-radius: 8px; font-size: 14px; font-weight: 900; transition: transform .18s ease, background .18s ease; }
.button-primary { background: var(--violet); color: #fff; box-shadow: 0 14px 26px -14px rgba(91, 63, 196, .85); }
.button-primary:hover { background: var(--violet-deep); transform: translateY(-1px); }
.button-large { min-height: 52px; padding: 0 34px; font-size: 15px; }
.text-link { color: var(--violet-deep); border-bottom: 1px dashed #B9A9E6; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--orange); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 28px 0 0; list-style: none; }
.hero-tags li { padding: 5px 12px; border: 1px solid var(--line); border-radius: 6px; background: rgba(255, 255, 255, .8); color: var(--muted); font-size: 11.5px; }
.hero-tags b { color: var(--ink); font-weight: 900; }

.feed-panel { min-width: 0; padding: 18px 20px 16px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 24px 46px -32px rgba(34, 28, 54, .5); }
.feed-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid #F0ECFA; }
.feed-head p { margin: 0; font-size: 13.5px; font-weight: 900; }
.feed-head span { color: var(--muted); font-size: 10.5px; }
.feed-list { padding: 0; margin: 0; list-style: none; }
.feed-list li { display: flex; flex-direction: column; gap: 4px; padding: 13px 0 13px 14px; border-bottom: 1px dashed #EDE7F8; }
.feed-list li:last-child { border-bottom: 0; }
.feed-list b { position: relative; font-size: 13.5px; font-weight: 800; line-height: 1.5; }
.feed-list b::before { position: absolute; top: 7px; left: -14px; width: 6px; height: 6px; border-radius: 2px; content: ""; background: var(--violet); transform: rotate(45deg); }
.feed-list small { color: var(--muted); font-size: 10.5px; }
.feed-list em { display: inline-block; margin-right: 6px; padding: 1px 7px; border-radius: 999px; background: var(--violet-soft); color: var(--violet-deep); font-size: 10px; font-style: normal; }
.feed-foot { padding-top: 11px; margin: 4px 0 0; border-top: 1px solid #F0ECFA; color: var(--muted); font-size: 10.5px; }

/* features */
.features { padding: 68px 0 72px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 26px; }
.section-heading h2 { margin: 0; font-size: clamp(23px, 2.5vw, 32px); font-weight: 900; letter-spacing: -.4px; line-height: 1.35; }
.section-heading > p:last-child { max-width: 620px; margin: 11px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(180px, 280px); align-items: end; gap: 22px; }
.section-heading-split > p:last-child { margin: 0 0 5px; text-align: right; }
.board { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.board article { position: relative; overflow: hidden; padding: 24px 24px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; min-width: 0; }
.board article::after { position: absolute; top: -22px; right: 6px; color: #F1ECFC; font-size: 96px; font-weight: 900; line-height: 1; content: attr(data-n); }
.board span { display: inline-block; margin-bottom: 8px; padding: 2px 9px; border-radius: 4px; background: var(--violet-soft); color: var(--violet-deep); font-size: 10.5px; font-weight: 800; letter-spacing: .6px; }
.board h3 { position: relative; margin: 0 0 6px; font-size: 17px; font-weight: 900; }
.board p { position: relative; max-width: 92%; margin: 0; color: var(--muted); font-size: 12.9px; line-height: 1.8; }

/* shots */
.shots { padding: 68px 0 76px; }
.shot-wall { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.shot-wall figure { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.wall-bar { display: flex; gap: 5px; padding: 8px 10px; border-bottom: 1px solid #F0ECFA; background: #FAF8FF; }
.wall-bar i { width: 6px; height: 6px; border-radius: 50%; background: #D9D0F1; }
.wall-bar i:first-child { background: #F5B47E; }
.shot-wall img { width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; object-position: center 6%; }
.shot-wall figcaption { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 7px; padding: 9px 12px 11px; }
.shot-wall figcaption b { color: var(--orange); font-size: 10px; font-weight: 900; letter-spacing: 1px; }
.shot-wall figcaption { font-size: 12.5px; font-weight: 900; }
.shot-wall figcaption small { flex-basis: 100%; color: var(--muted); font-size: 10.5px; font-weight: 400; }
.sample-note { margin: 16px 0 0; color: var(--muted); font-size: 12px; text-align: center; }

/* faq */
.faq { padding: 66px 0 74px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.faq-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.faq-cards details { padding: 4px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.faq-cards summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; cursor: pointer; list-style: none; }
.faq-cards summary::-webkit-details-marker { display: none; }
.faq-cards summary h3 { position: relative; padding-left: 26px; margin: 0; font-size: 14.5px; font-weight: 900; line-height: 1.5; }
.faq-cards summary h3::before { position: absolute; top: 0; left: 0; color: var(--violet); font-size: 13px; font-weight: 900; content: "Q"; }
.faq-cards summary i { position: relative; flex: none; width: 22px; height: 22px; border-radius: 6px; background: var(--violet-soft); }
.faq-cards summary i::before, .faq-cards summary i::after { position: absolute; top: 10px; left: 6px; width: 10px; height: 1.5px; content: ""; background: var(--violet-deep); }
.faq-cards summary i::after { transform: rotate(90deg); transition: transform .18s ease; }
.faq-cards details[open] summary i::after { transform: rotate(0); }
.faq-cards details p { margin: 0 0 14px; padding-top: 12px; border-top: 1px dashed #EDE7F8; color: var(--muted); font-size: 12.8px; line-height: 1.82; }

/* reviews */
.reviews { padding: 68px 0 74px; }
.review-grid { 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: 13px; padding: 18px 19px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; min-width: 0; }
.review-avatar { display: inline-flex; align-items: center; flex: none; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: var(--violet-soft); color: var(--violet-deep); font-size: 13px; font-weight: 900; }
.review-card > div { min-width: 0; }
.review-card p { margin: 0 0 8px; color: #4A4460; font-size: 13px; line-height: 1.8; }
.review-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.review-meta b { color: var(--violet-deep); font-size: 12px; font-weight: 900; }
.review-meta time { color: #9A93B0; font-size: 10.5px; }

/* steps */
.steps { padding: 64px 0 72px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; }
.step-row li { position: relative; overflow: hidden; padding: 20px 20px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; min-width: 0; }
.step-row span { display: block; margin-bottom: 6px; color: var(--orange); font-size: 10.5px; font-weight: 900; letter-spacing: 1.6px; }
.step-row h3 { margin: 0 0 5px; font-size: 17px; font-weight: 900; }
.step-row p { margin: 0; color: var(--muted); font-size: 12.8px; }

/* download */
.download { padding: 70px 0 78px; }
.download-panel { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 32px; padding: 40px 42px; border-radius: 18px; background: linear-gradient(118deg, #5B3FC4 0%, #3B2B84 100%); box-shadow: 0 26px 50px -34px rgba(59, 43, 132, .95); color: #fff; }
.download-panel::after { position: absolute; top: -60px; right: 18%; width: 200px; height: 200px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 50%; content: ""; }
.download-copy { position: relative; z-index: 2; min-width: 0; }
.download-copy .eyebrow { background: rgba(255, 255, 255, .18); color: #F4EFFF; }
.download-copy .eyebrow::before { background: #FFC98B; }
.download-copy h2 { margin: 0; font-size: clamp(23px, 2.6vw, 32px); font-weight: 900; line-height: 1.35; }
.download-copy p:last-child { margin: 12px 0 0; color: rgba(255, 255, 255, .86); font-size: 13.5px; }
.download-act { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.download .button-primary { background: #fff; color: var(--violet-deep); box-shadow: none; }
.download .button-primary:hover { background: #F3EEFF; }
.download-notes { display: flex; flex-wrap: wrap; gap: 8px 16px; padding: 0; margin: 0; list-style: none; }
.download-notes li { position: relative; padding-left: 13px; color: rgba(255, 255, 255, .9); font-size: 11.5px; }
.download-notes li::before { position: absolute; top: 8px; left: 0; width: 5px; height: 5px; content: ""; border-radius: 50%; background: #FFC98B; }

/* footer */
.site-footer { padding: 40px 0 34px; border-top: 1px solid var(--line); background: #FBF9FF; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr) minmax(0, auto); align-items: start; gap: 22px; }
.footer-brand strong { font-size: 16px; font-weight: 900; }
.footer-brand p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.footer-nav a { color: #615a7c; font-size: 12.5px; }
.footer-nav a:hover { color: var(--violet-deep); }
.footer-meta { text-align: right; }
.footer-meta p { margin: 0 0 3px; color: var(--muted); font-size: 12px; }
.footer-meta a { color: #615a7c; font-size: 12px; }
.footer-meta a:hover { color: var(--violet-deep); }
.disclaimer { grid-column: 1 / -1; padding-top: 16px; margin: 6px 0 0; border-top: 1px dashed var(--line); color: #8C83A6; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; padding: 46px 0 50px; }
  .feed-panel { max-width: 540px; }
  .shot-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-panel { grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 34px 30px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .footer-meta { grid-column: 1 / -1; text-align: left; }
}
@media (max-width: 900px) {
  .primary-nav { position: absolute; top: 100%; right: 0; left: 0; display: none; margin: 0; padding: 10px 24px 16px; border-bottom: 1px solid var(--line); background: #FBF9FF; box-shadow: 0 18px 26px -22px rgba(34, 28, 54, .5); }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav a { padding: 11px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
  .primary-nav li:last-child a { border-bottom: 0; }
  .menu-toggle { display: block; }
}
@media (max-width: 760px) {
  .page-shell, .nav-shell { width: min(calc(100% - 36px), var(--shell)); }
  .hero h1 { font-size: clamp(32px, 8.4vw, 44px); }
  .hero-subtitle { font-size: 16.5px; }
  .section-heading-split { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .section-heading-split > p:last-child { text-align: left; }
  .board { grid-template-columns: minmax(0, 1fr); }
  .board article::after { font-size: 78px; }
  .faq-cards, .review-grid { grid-template-columns: minmax(0, 1fr); }
  .step-row { grid-template-columns: minmax(0, 1fr); }
  .download-panel { padding: 30px 22px 28px; }
  .download-act { align-items: stretch; }
  .download .button-primary { width: 100%; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .footer-meta { grid-column: auto; }
  .disclaimer { grid-column: auto; }
}
@media (max-width: 520px) {
  .brand span { display: none; }
  .nav-download { padding: 0 13px; font-size: 12px; }
  .shot-wall { gap: 10px; }
  .hero-tags li { padding: 4px 10px; font-size: 11px; }
}