@charset "UTF-8";

:root {
  --coral: #FB7185;
  --coral-deep: #E11D48;
  --bg: #111827;
  --bg-2: #0C1320;
  --panel: #1A2436;
  --panel-2: #151E2E;
  --line: #2A3648;
  --ink: #F3F5F9;
  --muted: #9CA8BC;
  --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(--coral); 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(--coral);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.2px;
  line-height: 1.4;
}
.eyebrow::before { width: 14px; height: 2px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(17, 24, 39, .94);
  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: 10px; font-size: 20px; font-weight: 900; letter-spacing: .4px; }
.brand img { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 12px; object-fit: contain; background: #0D1522; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  height: 19px;
  border-radius: 6px;
  background: var(--coral);
  color: #2A0A12;
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}
.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: 7px 0; border-bottom: 2px solid transparent; color: #A7B3C7; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--coral); color: #fff; }
.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 18px;
  border: 1px solid var(--coral);
  border-radius: 8px;
  background: var(--coral);
  color: #2A0A12;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: transparent; color: var(--coral); }
.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: 10px; background: transparent; 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: 双头像对峙 + 台词条 + 角色池 */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(520px 320px at 50% -12%, rgba(251, 113, 133, .24), transparent 72%),
    radial-gradient(420px 280px at 100% 100%, rgba(251, 113, 133, .08), transparent 70%),
    linear-gradient(180deg, #151D2C, var(--bg));
}
.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background-image: radial-gradient(rgba(251, 113, 133, .16) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(600px 340px at 50% 8%, #000, transparent 78%);
  pointer-events: none;
}
.hero .page-shell { position: relative; z-index: 2; }
.duel-top {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) 112px;
  grid-template-areas: "a core b";
  align-items: center;
  gap: clamp(14px, 3vw, 40px);
  padding: 52px 0 30px;
}
.duel-avatar {
  grid-area: a;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 112px;
}
.duel-avatar--warm { grid-area: b; }
.duel-avatar i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 108px;
  height: 108px;
  border: 1px dashed rgba(251, 113, 133, .7);
  border-radius: 50%;
  background: radial-gradient(circle at 34% 26%, rgba(251, 113, 133, .34), rgba(26, 36, 54, .9) 70%);
  color: #FFD9E0;
  font-size: 34px;
  font-style: normal;
  font-weight: 900;
  box-shadow: inset 0 0 0 8px rgba(17, 24, 39, .6);
}
.duel-avatar--warm i {
  border-color: rgba(156, 168, 188, .55);
  background: radial-gradient(circle at 62% 28%, rgba(156, 168, 188, .3), rgba(26, 36, 54, .92) 72%);
  color: #DCE3EF;
}
.duel-avatar span { color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: 1.6px; }
.duel-core { grid-area: core; min-width: 0; text-align: center; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 5px 13px;
  margin: 0 0 12px;
  border: 1px solid rgba(251, 113, 133, .4);
  border-radius: 999px;
  color: #FFC2CD;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.2px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(52px, 8vw, 92px);
  font-weight: 900;
  letter-spacing: clamp(-2px, -.35vw, -3px);
  line-height: .98;
}
.hero-subtitle { margin: 12px 0 0; color: var(--coral); font-size: clamp(17px, 2vw, 22px); font-weight: 800; line-height: 1.4; }
.hero-lead { max-width: 560px; margin: 12px auto 0; color: var(--muted); font-size: 14px; }
.hero .button { margin-top: 20px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 12px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--coral); color: #2A0A12; box-shadow: 0 14px 28px rgba(251, 113, 133, .24); }
.button-primary:hover { background: #FF8D9E; transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 32px; font-size: 15px; }

.line-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(42, 54, 72, .55), rgba(21, 30, 46, .9));
}
.line { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1 1 0; padding: 8px 14px; margin: 0; border-radius: 8px; font-size: 13.5px; }
.line b { flex: none; width: 24px; height: 24px; border-radius: 7px; font-size: 10px; line-height: 24px; text-align: center; }
.line-a { background: rgba(251, 113, 133, .12); border: 1px solid rgba(251, 113, 133, .34); color: #FFE1E7; }
.line-a b { background: var(--coral); color: #2A0A12; }
.line-b { background: rgba(156, 168, 188, .1); border: 1px solid rgba(156, 168, 188, .3); color: #DFE6F0; }
.line-b b { background: #CBD5E1; color: #111827; }
.line span { min-width: 0; }
.line-mark { flex: none; color: var(--coral); font-family: var(--mono); font-size: 11px; letter-spacing: 2px; }

.role-pool { padding: 20px 0 42px; }
.pool-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 0 0 10px; color: var(--muted); font-family: var(--mono); font-size: 11px; letter-spacing: 1.4px; }
.pool-head b { color: #FFC2CD; font-weight: 700; }
.pool-track { display: flex; gap: 10px; padding: 0 0 4px; margin: 0; list-style: none; overflow-x: auto; scrollbar-width: thin; }
.pool-track li {
  flex: 0 0 154px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  gap: 2px 10px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
}
.pool-track li i {
  grid-row: 1 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(251, 113, 133, .16);
  color: var(--coral);
  font-size: 14px;
  font-style: normal;
  font-weight: 900;
}
.pool-track li b { font-size: 13px; font-weight: 900; }
.pool-track li small { color: var(--muted); font-size: 10.5px; }

/* features: 左大右三小 */
.features { padding: 68px 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: 1.32; }
.section-heading > p:last-child { max-width: 600px; margin: 11px 0 0; color: var(--muted); font-size: 13.5px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(190px, 290px); align-items: end; gap: 24px; }
.section-heading-split > p:last-child { margin: 0 0 3px; }
.feature-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 12px; align-items: stretch; }
.feature-side { display: grid; grid-template-columns: 1fr; gap: 12px; }
.feature-card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel);
  border-top: 2px solid rgba(251, 113, 133, .55);
}
.feature-lead {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px 26px;
  border: 1px solid rgba(251, 113, 133, .4);
  background: linear-gradient(150deg, rgba(251, 113, 133, .16), rgba(26, 36, 54, .92) 62%);
}
.feature-no { display: block; margin-bottom: 9px; color: var(--coral); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 1.5px; }
.feature-card h3 { margin: 0 0 7px; font-size: 17px; font-weight: 900; }
.feature-lead h3 { font-size: 21px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.8px; line-height: 1.8; }
.feature-lead p { max-width: 420px; font-size: 13.5px; }
.lead-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.lead-meta span { padding: 4px 11px; border: 1px dashed rgba(251, 113, 133, .45); border-radius: 999px; color: #FFC2CD; font-family: var(--mono); font-size: 10px; letter-spacing: 1px; }

/* shots: 2x2 */
.shots { padding: 70px 0 76px; }
.shot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.shot-card { margin: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--panel-2); overflow: hidden; }
.shot-card img { width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; object-position: center top; }
.shot-card figcaption { display: flex; align-items: baseline; gap: 9px; padding: 11px 14px 13px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--coral); 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: 66px 0 74px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-heading { max-width: 620px; }
.faq-list { display: grid; gap: 8px; }
.faq-list details { border: 1px solid var(--line); border-radius: 10px; background: var(--panel-2); }
.faq-list details[open] { border-color: rgba(251, 113, 133, .42); background: var(--panel); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 15px 18px; 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: 21px; height: 21px; border: 1px solid var(--line); border-radius: 6px; }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 9px; height: 1.5px; content: ""; background: var(--coral); 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 18px 16px; margin: 0; color: var(--muted); font-size: 13.2px; 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 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
}
.review-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 7px; }
.review-meta b { color: var(--coral); font-size: 13px; font-weight: 900; }
.review-meta time { color: #7C8798; font-family: var(--mono); font-size: 9.5px; }
.review-card p { margin: 0; color: #C3CCDA; font-size: 12.8px; line-height: 1.8; }

/* 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; }
.step-list li { position: relative; padding: 22px 18px 20px; margin: 0; border: 1px solid var(--line); border-radius: 11px; background: var(--panel); overflow: hidden; }
.step-list span {
  position: absolute;
  top: 8px;
  right: 12px;
  color: rgba(251, 113, 133, .28);
  font-family: var(--mono);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
}
.step-list h3 { position: relative; margin: 0 0 7px; font-size: 16px; font-weight: 900; }
.step-list p { position: relative; margin: 0; color: var(--muted); font-size: 12.6px; line-height: 1.75; }

/* download: 左按钮右文 */
.download { padding: 28px 0 46px; }
.download-inner {
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  justify-content: space-between;
  gap: clamp(20px, 4vw, 48px);
  padding: 38px clamp(22px, 4vw, 46px);
  border: 1px solid rgba(251, 113, 133, .38);
  border-radius: 14px;
  background:
    radial-gradient(420px 220px at 6% 110%, rgba(251, 113, 133, .22), transparent 72%),
    linear-gradient(120deg, #1B2435, #212B3D 78%);
}
.download-copy { min-width: 0; }
.download h2 { max-width: 560px; }
.download-copy > p { max-width: 520px; margin: 11px 0 0; color: #B4C0D2; font-size: 13.5px; }
.download .button-large { flex: none; }
.download-notes { display: flex; flex-wrap: wrap; gap: 6px 20px; padding: 16px 0 0; margin: 16px 0 0; border-top: 1px solid rgba(251, 113, 133, .22); list-style: none; }
.download-notes li { color: #FFC2CD; font-family: var(--mono); font-size: 10.5px; }
.download-notes li::before { margin-right: 7px; content: "·"; color: var(--coral); }

/* 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: #B4C0D2; font-size: 12px; }
.footer-nav a:hover { color: var(--coral); }
.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; }
.footer-meta a { color: var(--muted); }
.disclaimer { grid-column: 1 / -1; margin: 0; color: #7C8798; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .duel-top { grid-template-columns: 96px minmax(0, 1fr) 96px; padding: 44px 0 26px; }
  .duel-avatar { width: 96px; }
  .duel-avatar i { width: 92px; height: 92px; font-size: 28px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-side { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .step-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .download-inner { flex-direction: column-reverse; align-items: flex-start; }
  .download .button-large { width: 100%; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 8px 24px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    box-shadow: 0 16px 26px rgba(0, 0, 0, .5);
  }
  .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); }
}
@media (max-width: 768px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(46px, 13vw, 68px); }
  .line-strip { flex-direction: column; align-items: stretch; }
  .line-mark { display: none; }
  .feature-side { grid-template-columns: 1fr; }
  .section-heading-split { grid-template-columns: 1fr; gap: 10px; }
  .section-heading-split > p:last-child { margin: 0; }
  .review-list { grid-template-columns: 1fr; }
  .step-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .duel-top {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "a b"
      "core core";
    justify-items: center;
    gap: 14px 10px;
    padding: 30px 0 18px;
  }
  .duel-avatar { width: auto; gap: 5px; }
  .duel-avatar i { width: 72px; height: 72px; font-size: 22px; box-shadow: inset 0 0 0 6px rgba(17, 24, 39, .6); }
  .duel-core { grid-column: 1 / -1; }
  .hero-lead { font-size: 13.5px; }
  .hero .button { width: 100%; }
  .line { font-size: 12.8px; padding: 8px 10px; }
  .pool-track li { flex: 0 0 138px; }
  .shot-grid { gap: 9px; }
  .shot-card figcaption { padding: 9px 10px 11px; gap: 6px; }
  .shot-card figcaption span { font-size: 12px; }
  .shot-card figcaption small { font-size: 9.5px; }
  .feature-lead { padding: 24px 18px; }
  .review-card { padding: 15px 15px; }
  .download-inner { padding: 28px 18px; }
  .step-list span { font-size: 36px; }
}
@media (max-width: 380px) {
  .brand { font-size: 16px; gap: 7px; }
  .brand img { width: 30px; height: 30px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 7px; }
  .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: 44px; }
  .hero-subtitle { font-size: 16px; }
  .duel-avatar i { width: 62px; height: 62px; font-size: 19px; }
  .faq-list summary { padding: 13px 14px; }
  .faq-list details p { padding: 0 14px 14px; }
}