@charset "UTF-8";

:root {
  --bg: #1C1917;
  --bg-2: #232020;
  --panel: #292424;
  --line: #3C3430;
  --ink: #F8F1EA;
  --muted: #B6A296;
  --hot: #EA580C;
  --hot-soft: #FF8A4C;
  --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) + 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: 1.7;
  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(--hot); 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 14px; color: var(--hot); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 2.4px; line-height: 1.4; }
.eyebrow::before { width: 16px; height: 2px; content: ""; background: currentColor; }

/* header */
.site-header { position: sticky; top: 0; z-index: 60; border-bottom: 1px solid var(--line); background: rgba(28, 25, 23, .96); backdrop-filter: blur(14px); }
.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: 20px; }
.brand { display: inline-flex; align-items: center; flex: none; gap: 10px; font-size: 20px; font-weight: 900; letter-spacing: .3px; }
.brand img { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 12px; object-fit: contain; background: #2B2523; }
.brand-tag { display: inline-flex; align-items: center; justify-content: center; width: 19px; height: 19px; border-radius: 6px; background: var(--hot); color: #241008; 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: #C0AFA3; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--hot); 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 16px; border: 1px solid var(--hot); border-radius: 8px; background: var(--hot); color: #241008; font-size: 13px; font-weight: 900; white-space: nowrap; transition: background .18s ease, color .18s ease; }
.nav-download:hover { background: transparent; color: var(--hot); }
.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: left reminder list + right copy + bottom timeline */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: radial-gradient(620px 380px at 8% -6%, rgba(234, 88, 12, .26), transparent 68%), linear-gradient(180deg, #2A211C 0%, var(--bg) 72%); }
.hero::after { position: absolute; inset: 0; content: ""; background-image: repeating-linear-gradient(0deg, rgba(234, 88, 12, .05) 0 1px, transparent 1px 52px); pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); align-items: center; gap: clamp(24px, 4vw, 56px); padding: 54px 0 26px; }
.remind-panel { min-width: 0; padding: 20px 20px 16px; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(165deg, rgba(234, 88, 12, .13), transparent 56%), #241F1D; box-shadow: 0 24px 48px rgba(0, 0, 0, .4); }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin: 0 0 10px; color: var(--hot-soft); font-family: var(--mono); font-size: 11px; letter-spacing: 1.5px; }
.panel-head b { color: var(--muted); font-weight: 700; }
.remind-list { padding: 0; margin: 0; list-style: none; }
.remind-list li { display: grid; grid-template-columns: 58px minmax(0, 1fr) 24px; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid #3A312D; }
.remind-list li:first-child { border-top: 0; }
.remind-list time { color: #D8C4B5; font-family: var(--mono); font-size: 14px; font-weight: 700; }
.remind-body { display: flex; flex-direction: column; min-width: 0; }
.remind-body b { font-size: 14px; font-weight: 900; }
.remind-body small { color: var(--muted); font-size: 11.5px; }
.bell { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 7px; border: 1px solid var(--line); color: #7C6A60; }
.bell svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.remind-list li.is-hot .bell { border-color: transparent; background: var(--hot); color: #241008; box-shadow: 0 0 0 4px rgba(234, 88, 12, .16); }
.remind-list li.is-hot time { color: var(--hot-soft); }
.remind-list li.is-hot b { color: #fff; }
.panel-foot { padding: 11px 0 0; margin: 0; border-top: 1px solid #3A312D; color: #9B8578; font-size: 11.5px; }

.hero-copy { min-width: 0; }
.hero-kicker { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 16px; color: #C0AFA3; font-family: var(--mono); font-size: 11px; letter-spacing: 1.4px; }
.hero-kicker b { padding: 3px 8px; border-radius: 5px; background: var(--hot); color: #241008; font-size: 9.5px; font-weight: 900; letter-spacing: 1.2px; }
.hero h1 { margin: 0; font-size: clamp(50px, 7.4vw, 92px); font-weight: 900; letter-spacing: clamp(-1px, -.3vw, -3px); line-height: .98; }
.hero-subtitle { margin: 16px 0 0; color: var(--hot-soft); font-size: clamp(17px, 2vw, 23px); font-weight: 800; line-height: 1.45; }
.hero-lead { max-width: 520px; margin: 14px 0 0; color: var(--muted); font-size: 14.5px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; gap: 14px; padding: 0 26px; border: 1px solid transparent; border-radius: 8px; font-size: 14px; font-weight: 900; transition: transform .18s ease, background .18s ease, color .18s ease; }
.button-primary { background: var(--hot); color: #241008; box-shadow: 0 16px 32px rgba(234, 88, 12, .24); }
.button-primary:hover { background: var(--hot-soft); transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 34px; font-size: 15px; }
.text-link { color: #D6C3B5; border-bottom: 1px dashed #5B4A40; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--hot); }

.timeline { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; padding: 0 0 40px; margin: 16px 0 0; list-style: none; }
.timeline li { position: relative; padding: 16px 0 0; border-top: 2px solid #3C3430; min-width: 0; }
.timeline li::before { position: absolute; top: -5px; left: 0; width: 8px; height: 8px; border-radius: 50%; content: ""; background: #5B4A40; }
.timeline li:nth-child(2)::before { background: var(--hot); box-shadow: 0 0 0 4px rgba(234, 88, 12, .2); }
.timeline b { display: block; color: #E8D8CB; font-family: var(--mono); font-size: 13px; }
.timeline span { color: #9B8578; font-size: 11.5px; }

/* features: 2 x 2 */
.features { padding: 70px 0 74px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 30px; }
.section-heading h2 { margin: 0; font-size: clamp(23px, 2.6vw, 33px); font-weight: 900; letter-spacing: -.5px; line-height: 1.35; }
.section-heading > p:last-child { max-width: 620px; margin: 12px 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: 24px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.feature-card { position: relative; padding: 26px 24px 24px 74px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); min-width: 0; }
.feature-card::before { position: absolute; top: 26px; left: 22px; color: var(--hot); font-family: var(--mono); font-size: 24px; font-weight: 700; content: attr(data-no); }
.feature-no { position: absolute; top: 26px; left: 22px; color: var(--hot); font-family: var(--mono); font-size: 24px; font-weight: 700; line-height: 1; }
.feature-card h3 { margin: 0 0 8px; font-size: 17px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* shots: four equal tall strips */
.shots { padding: 70px 0 76px; }
.shot-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; align-items: stretch; }
.shot-card { display: flex; flex-direction: column; margin: 0; border: 1px solid var(--line); border-radius: 12px; 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: 10px 12px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--hot); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption span { display: flex; flex-direction: column; font-size: 12.8px; font-weight: 800; line-height: 1.4; min-width: 0; }
.shot-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* faq */
.faq { padding: 70px 0 76px; 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(24px, 4vw, 52px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 26px); 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: 16px; 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(--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(--hot); 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: 13.5px; line-height: 1.85; }

/* reviews: single column */
.reviews { padding: 70px 0 76px; }
.review-list { display: grid; gap: 12px; padding: 0; margin: 0; list-style: none; }
.review-card { display: grid; grid-template-columns: minmax(0, 168px) minmax(0, 1fr); align-items: start; gap: 4px 20px; padding: 16px 22px; border: 1px solid var(--line); border-left: 3px solid var(--hot); border-radius: 10px; background: var(--panel); }
.review-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.review-meta b { color: var(--hot-soft); font-size: 13px; font-weight: 900; }
.review-meta time { color: #8C7A6E; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: #CBB9AC; font-size: 13px; line-height: 1.78; }

/* steps: vertical with left rail */
.steps { padding: 68px 0 74px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list { position: relative; display: grid; gap: 12px; padding: 0 0 0 34px; margin: 0; list-style: none; }
.step-list::before { position: absolute; top: 6px; bottom: 6px; left: 9px; width: 1px; content: ""; background: #4A3E37; }
.step-list li { position: relative; display: grid; grid-template-columns: 52px minmax(0, 1fr); align-items: center; gap: 14px; padding: 15px 20px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.step-list li::before { position: absolute; top: 50%; left: -30px; width: 9px; height: 9px; border: 2px solid var(--hot); border-radius: 50%; content: ""; background: var(--bg-2); transform: translateY(-50%); }
.step-list span { color: var(--hot); font-family: var(--mono); font-size: 24px; font-weight: 700; line-height: 1; }
.step-list h3 { margin: 0 0 3px; font-size: 16px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.8px; }

/* download: centered */
.download { padding: 24px 0; }
.download-inner { display: flex; flex-direction: column; align-items: center; padding: 46px clamp(22px, 5vw, 56px) 40px; border: 1px solid #6B4530; border-radius: 14px; background: radial-gradient(420px 250px at 50% 0%, rgba(234, 88, 12, .3), transparent 70%), linear-gradient(120deg, #3A2418, #2A211E 84%); text-align: center; }
.download h2 { max-width: 620px; margin: 0; font-size: clamp(23px, 2.6vw, 33px); font-weight: 900; letter-spacing: -.5px; line-height: 1.35; }
.download-inner > p { max-width: 520px; margin: 12px 0 22px; color: #C4AE9E; font-size: 14px; }
.download-notes { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; padding: 18px 0 0; margin: 24px 0 0; border-top: 1px solid rgba(234, 88, 12, .26); list-style: none; }
.download-notes li { color: #D8B79F; font-family: var(--mono); font-size: 11px; }
.download-notes li::before { margin-right: 7px; content: "·"; color: var(--hot); }

/* 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: 18px 40px; 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 22px; }
.footer-nav a { color: #C0AFA3; font-size: 12px; }
.footer-nav a:hover { color: var(--hot); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; 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: #8C7A6E; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 22px; }
  .hero h1 { font-size: clamp(44px, 6vw, 66px); }
  .feature-card { padding: 22px 20px 20px 68px; }
  .shot-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
}
@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 18px 28px rgba(0, 0, 0, .55); }
  .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: 40px 0 18px; }
  .remind-panel { order: 2; }
  .hero-copy { order: 1; }
  .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; }
  .shot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .review-card { grid-template-columns: 1fr; gap: 6px; }
  .review-meta { flex-direction: row; align-items: baseline; justify-content: space-between; }
  .section-heading-split { grid-template-columns: 1fr; gap: 10px; }
  .section-heading-split > p:last-child { margin: 0; }
  .step-list li { grid-template-columns: 46px minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(40px, 12vw, 56px); }
  .hero-lead { font-size: 14px; }
  .remind-list li { grid-template-columns: 52px minmax(0, 1fr) 22px; gap: 9px; }
  .timeline { grid-template-columns: 1fr; gap: 8px; }
  .timeline li { padding-top: 12px; }
  .timeline li::before { top: -4px; }
  .brand { font-size: 16px; gap: 7px; }
  .brand img { width: 32px; height: 32px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 8px; }
  .nav-download { min-height: 36px; padding: 0 10px; font-size: 11.5px; gap: 5px; }
  .nav-download svg { width: 14px; height: 14px; }
  .menu-toggle { width: 36px; height: 36px; }
  .feature-card { padding: 20px 18px 18px; }
  .feature-no { position: static; display: block; margin-bottom: 6px; font-size: 13px; letter-spacing: 1.6px; }
  .step-list { padding-left: 26px; }
  .step-list li::before { left: -22px; }
  .step-list li { gap: 10px; padding: 14px 16px; }
  .step-list span { font-size: 20px; }
  .download-inner { padding: 36px 20px 32px; }
  .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}