@charset "UTF-8";

:root {
  --paper: #f3efe4;
  --paper-deep: #e6dfcd;
  --ink: #15171d;
  --night: #101218;
  --muted: #6c675b;
  --line: #d5cdb9;
  --accent: #ef9f1c;
  --accent-deep: #b97406;
  --steel: #2b4a63;
  --ok: #4fae7c;
  --white: #fffdf6;
  --shell: 1220px;
  --header-height: 74px;
}

* { 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(--paper);
  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; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
svg { display: block; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 15px;
  color: var(--accent-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.6px;
  line-height: 1.4;
}
.eyebrow::before { width: 22px; height: 1px; content: ""; background: currentColor; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(243, 239, 228, .95);
  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: 26px;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 10px; font-size: 21px; font-weight: 900; letter-spacing: -.6px; }
.brand img { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 4px; object-fit: contain; background: #fff; }
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(17px, 2.4vw, 33px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { position: relative; display: block; padding: 8px 0; font-size: 13px; font-weight: 700; }
.primary-nav a::after { position: absolute; right: 0; bottom: 2px; left: 0; height: 2px; content: ""; background: var(--accent-deep); transform: scaleX(0); transform-origin: left; transition: transform .18s ease; }
.primary-nav a:hover::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; flex: none; gap: 12px; }
.nav-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  gap: 8px;
  padding: 0 17px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  transition: background .18s ease, border-color .18s ease;
}
.nav-download:hover { border-color: var(--accent-deep); background: var(--accent-deep); }
.nav-download svg, .button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 1px solid var(--ink); border-radius: 3px; 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 { position: relative; overflow: hidden; padding: 58px 0 74px; background: var(--night); color: var(--white); }
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}
.hero::after {
  position: absolute;
  top: -170px;
  right: -140px;
  width: 430px;
  height: 430px;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239, 159, 28, .28), transparent 66%);
  pointer-events: none;
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, .82fr) minmax(510px, 1.18fr); align-items: center; gap: clamp(34px, 5vw, 66px); }
.hero-copy { position: relative; }
.hero .eyebrow { color: var(--accent); }
.hero h1 { margin: 0; font-size: clamp(58px, 6.6vw, 90px); font-weight: 900; letter-spacing: -2.5px; line-height: .98; }
.hero-subtitle { margin: 20px 0 16px; color: var(--white); font-size: clamp(22px, 2.4vw, 30px); font-weight: 900; letter-spacing: -.4px; line-height: 1.35; }
.hero-subtitle::after { display: block; width: 58px; height: 4px; margin-top: 15px; content: ""; background: var(--accent); }
.hero-summary { max-width: 480px; margin: 0 0 30px; color: #b7b2a4; font-size: 15px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; gap: 20px; padding: 0 24px; border: 1px solid transparent; border-radius: 3px; font-size: 14px; font-weight: 900; transition: transform .18s ease, background .18s ease, color .18s ease; }
.button-primary { border-color: var(--accent); background: var(--accent); color: var(--night); box-shadow: 5px 5px 0 rgba(255, 253, 246, .92); }
.button-primary:hover { background: #ffb52f; transform: translate(-2px, -2px); }
.text-link { border-bottom: 1px solid rgba(255, 253, 246, .55); font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 6px; color: var(--accent); }
.hero-notes { display: flex; flex-wrap: wrap; gap: 10px 24px; padding: 0; margin: 30px 0 0; color: #9c978a; font-size: 12px; list-style: none; }
.hero-notes li { display: flex; align-items: center; gap: 7px; }
.hero-notes li::before { width: 4px; height: 4px; content: ""; border-radius: 50%; background: var(--accent); }

.board-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.34fr) minmax(0, .66fr);
  overflow: hidden;
  border: 1px solid var(--white);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 13px 13px 0 var(--accent);
}
.board-main { padding: 20px 20px 16px; }
.board-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 12px; border-bottom: 2px solid var(--ink); }
.board-top b { font-size: 16px; font-weight: 900; letter-spacing: .5px; }
.board-chip { padding: 3px 9px; border-radius: 2px; background: var(--ink); color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .5px; }
.board-tabs { display: flex; gap: 6px; margin: 13px 0 8px; }
.board-tabs span { padding: 4px 13px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); font-size: 11px; font-weight: 700; }
.board-tabs .is-on { border-color: var(--ink); background: var(--ink); color: var(--white); }
.day-list { padding: 0; margin: 0; list-style: none; }
.day-row { display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: 11px; padding: 9px 6px; border-bottom: 1px dashed var(--line); }
.day-row:last-child { border-bottom: 0; }
.day-row > span { color: var(--muted); font-size: 12px; font-weight: 700; }
.day-row > i { display: block; height: 5px; overflow: hidden; background: var(--paper-deep); }
.day-row > i > em { display: block; width: 58%; height: 100%; background: var(--steel); }
.day-row:nth-child(2) > i > em { width: 68%; }
.day-row:nth-child(3) > i > em { width: 52%; }
.day-row:nth-child(4) > i > em { width: 78%; }
.day-row:nth-child(5) > i > em { width: 88%; }
.day-row:nth-child(6) > i > em { width: 100%; }
.day-row:nth-child(7) > i > em { width: 62%; }
.day-row > b { color: var(--ink); font-family: Consolas, monospace; font-size: 11px; }
.day-row.is-today { background: #fbf0d8; }
.day-row.is-today > span { color: var(--accent-deep); }
.day-row.is-today > i > em { background: var(--accent-deep); }
.board-side { display: flex; flex-direction: column; padding: 18px 16px; background: var(--ink); color: var(--white); }
.board-shot { margin: 0; }
.board-shot img { width: 100%; height: 232px; border: 1px solid #3a3d45; object-fit: cover; object-position: top; }
.board-shot figcaption { padding: 6px 1px 0; color: #8b8779; font-family: Consolas, monospace; font-size: 9px; letter-spacing: 1.4px; }
.board-badge { margin: 16px 0 8px; padding: 7px 9px; border: 1px solid rgba(239, 159, 28, .55); color: var(--accent); font-family: Consolas, monospace; font-size: 13px; font-weight: 700; text-align: center; }
.board-cap { margin: 0; color: #9a968a; font-size: 11px; line-height: 1.6; }

.waves { padding: 78px 0 84px; background: var(--paper); }
.section-heading { margin-bottom: 34px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(29px, 3.4vw, 43px); font-weight: 900; letter-spacing: -1px; line-height: 1.22; }
.section-heading > p:last-child { max-width: 660px; margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 400px); align-items: end; gap: 30px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.wave-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; }
.wave-item { position: relative; padding: 24px 22px 26px; border: 1px solid var(--line); background: var(--white); }
.wave-item::before { position: absolute; top: 0; left: 0; width: 100%; height: 3px; content: ""; background: var(--steel); }
.wave-item:nth-child(4)::before { background: var(--accent); }
.wave-time { display: block; margin-bottom: 14px; color: var(--steel); font-family: Consolas, monospace; font-size: 21px; font-weight: 700; letter-spacing: -.5px; }
.wave-item:nth-child(4) .wave-time { color: var(--accent-deep); }
.wave-item h3 { margin: 0 0 8px; font-size: 16px; }
.wave-item p { margin: 0; color: var(--muted); font-size: 13px; }

.shots { padding: 78px 0 70px; background: var(--white); }
.shot-track { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.shot-card { min-width: 0; margin: 0; }
.shot-frame { overflow: hidden; aspect-ratio: 9 / 14; border: 1px solid var(--line); background: var(--paper-deep); }
.shot-frame img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform .35s ease; }
.shot-card:hover img { transform: scale(1.02); }
.shot-card figcaption { display: flex; align-items: flex-start; gap: 10px; padding: 14px 2px 0; }
.shot-card figcaption b { padding-top: 3px; color: var(--accent-deep); font-family: Consolas, monospace; font-size: 11px; }
.shot-card figcaption span { font-size: 14px; font-weight: 900; }
.shot-card figcaption small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; font-weight: 400; }
.swipe-hint { display: none; margin: 20px 0 0; color: var(--muted); font-size: 11px; text-align: center; }
.swipe-hint span { color: var(--accent-deep); }

.faq { padding: 80px 0; border-top: 1px solid var(--line); background: var(--paper); }
.faq-layout { display: grid; grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr); align-items: start; gap: clamp(40px, 7vw, 90px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 26px); margin-bottom: 0; }
.faq-note { display: inline-block; margin-top: 22px; padding: 5px 10px; border: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 21px 0; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list h3 { margin: 0; font-size: 16px; line-height: 1.5; }
.faq-list summary > span { position: relative; flex: 0 0 auto; width: 20px; height: 20px; border: 1px solid var(--ink); }
.faq-list summary > span::before, .faq-list summary > span::after { position: absolute; top: 9px; left: 5px; width: 8px; height: 1px; content: ""; background: var(--ink); }
.faq-list summary > span::after { transform: rotate(90deg); transition: transform .18s ease; }
.faq-list details[open] summary > span { border-color: var(--accent-deep); background: var(--accent-deep); }
.faq-list details[open] summary > span::before, .faq-list details[open] summary > span::after { background: #fff; }
.faq-list details[open] summary > span::after { transform: rotate(0); }
.faq-list details > p { margin: -4px 40px 18px 0; color: var(--muted); font-size: 13px; }
.official-link { display: inline-flex; gap: 8px; margin: 0 0 22px; border-bottom: 1px solid var(--accent-deep); color: var(--accent-deep); font-size: 12px; font-weight: 800; }

.reviews { padding: 78px 0 84px; background: #e8e2d2; }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.review-card { display: flex; flex-direction: column; min-height: 206px; padding: 22px; border: 1px solid #cfc6b1; background: var(--white); }
.review-top { display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 10px; }
.avatar { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--ink); border-radius: 50%; background: var(--paper); font-size: 13px; font-weight: 900; }
.review-top strong { display: block; font-size: 13px; line-height: 1.3; }
.review-top time { color: var(--muted); font-family: Consolas, monospace; font-size: 10px; }
.review-card > p { margin: 22px 0 0; color: #4b4942; font-size: 13px; }
.review-card > p a { color: var(--accent-deep); font-weight: 800; overflow-wrap: anywhere; }

.steps { padding: 80px 0 86px; background: var(--white); }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; }
.step-list li { padding: 28px 26px 30px; border: 1px solid var(--line); border-top: 3px solid var(--ink); background: var(--white); }
.step-no { display: block; margin-bottom: 18px; color: var(--accent-deep); font-family: Impact, sans-serif; font-size: 34px; line-height: 1; }
.step-list h3 { margin: 0 0 9px; font-size: 17px; }
.step-list p { margin: 0; color: var(--muted); font-size: 13px; }

.download { position: relative; overflow: hidden; padding: 64px 0; background: var(--steel); color: #fff; }
.download-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 45px; }
.download-copy { position: relative; z-index: 2; max-width: 740px; }
.download .eyebrow { color: #a9c6d8; }
.download h2 { font-size: clamp(31px, 3.8vw, 48px); }
.download-copy > p:last-child { margin: 15px 0 0; color: #c3d6e2; font-size: 14px; }
.button-light { position: relative; z-index: 2; flex: none; border-color: var(--ink); background: var(--ink); color: #fff; box-shadow: 5px 5px 0 rgba(255, 255, 255, .82); }
.button-light:hover { background: var(--accent); color: var(--night); transform: translate(-2px, -2px); }
.download-mark { position: absolute; right: 176px; bottom: -62px; color: rgba(255, 255, 255, .09); font-family: Impact, sans-serif; font-size: 148px; line-height: .72; pointer-events: none; }

.site-footer { padding: 42px 0 34px; border-top: 1px solid #33363d; background: var(--night); color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; align-items: start; gap: 26px 45px; }
.footer-brand strong { font-size: 21px; letter-spacing: -.5px; }
.footer-brand p { margin: 4px 0 0; color: #96938a; font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 24px; font-size: 12px; }
.footer-nav a:hover { color: var(--accent); }
.footer-meta { display: flex; align-items: center; gap: 18px; color: #85827a; font-size: 11px; }
.footer-meta p { margin: 0; }
.footer-meta a:hover { color: #fff; }
.disclaimer { grid-column: 1 / -1; padding-top: 20px; margin: 0; border-top: 1px solid #32353b; color: #85827a; font-size: 11px; }
#interaction-complaint-button { background: var(--accent-deep) !important; box-shadow: 0 8px 22px rgba(120, 70, 0, .26) !important; }
#interaction-complaint-button:hover { background: var(--ink) !important; }
#interaction-complaint-button .interaction-complaint-icon { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

@media (max-width: 1080px) {
  .primary-nav ul { gap: 15px; }
  .primary-nav a { font-size: 12px; }
  .hero-grid { grid-template-columns: minmax(0, .8fr) minmax(460px, 1.2fr); gap: 30px; }
  .board-panel { grid-template-columns: minmax(0, 1.28fr) minmax(0, .72fr); }
  .review-top { grid-template-columns: 38px 1fr; }
  .review-top time { grid-column: 2; margin-top: -6px; }
}

@media (max-width: 900px) {
  :root { --header-height: 66px; }
  .menu-toggle { display: block; }
  .primary-nav { position: absolute; top: 100%; right: 0; left: 0; display: none; margin: 0; border-bottom: 1px solid var(--ink); background: var(--paper); }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { display: grid; grid-template-columns: repeat(5, 1fr); width: min(calc(100% - 40px), var(--shell)); margin: 0 auto; gap: 0; }
  .primary-nav a { padding: 16px 5px; text-align: center; }
  .hero { padding-top: 42px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy { max-width: 640px; }
  .hero h1 { font-size: 74px; }
  .board-panel { width: min(100%, 620px); margin: 0 auto 12px; }
  .board-shot img { height: 268px; }
  .wave-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shot-track { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 16px; }
  .faq-layout { grid-template-columns: 1fr; gap: 30px; }
  .faq-heading { position: static; }
  .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step-list { grid-template-columns: 1fr; }
  .download-inner { align-items: flex-start; flex-direction: column; gap: 28px; }
  .download-mark { right: 8px; }
}

@media (max-width: 640px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .nav-shell { gap: 8px; }
  .brand { gap: 7px; font-size: 17px; }
  .brand img { width: 34px; height: 34px; }
  .nav-actions { gap: 8px; }
  .nav-download { min-height: 38px; padding: 0 10px; font-size: 11px; }
  .nav-download svg { display: none; }
  .menu-toggle { width: 38px; height: 38px; }
  .primary-nav ul { grid-template-columns: repeat(3, 1fr); width: calc(100% - 24px); }
  .primary-nav a { font-size: 12px; }
  .hero { padding: 32px 0 50px; }
  .hero h1 { font-size: clamp(46px, 15vw, 64px); letter-spacing: -1.5px; }
  .hero-subtitle { margin: 15px 0 12px; font-size: 22px; }
  .hero-summary { font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 17px; }
  .button { min-height: 50px; }
  .hero-notes { gap: 8px 16px; margin-top: 25px; }
  .board-panel { grid-template-columns: 1fr; box-shadow: 8px 8px 0 var(--accent); }
  .board-main { padding: 16px 15px 12px; }
  .board-top b { font-size: 14px; }
  .day-row { grid-template-columns: 36px 1fr auto; padding: 8px 4px; }
  .board-side { align-items: center; flex-direction: row; padding: 14px; gap: 12px; }
  .board-shot { flex: 0 0 96px; }
  .board-shot img { height: 150px; }
  .board-badge { margin: 0; padding: 6px 7px; font-size: 11px; }
  .board-cap { display: none; }
  .waves, .shots, .faq, .reviews, .steps { padding: 56px 0; }
  .section-heading { margin-bottom: 26px; }
  .section-heading h2, .download h2 { font-size: 28px; letter-spacing: -.6px; }
  .section-heading-split { grid-template-columns: 1fr; gap: 12px; }
  .wave-list { grid-template-columns: 1fr; gap: 10px; }
  .wave-item { padding: 20px 18px 22px; }
  .wave-time { margin-bottom: 10px; font-size: 18px; }
  .shot-track { display: grid; grid-auto-flow: column; grid-template-columns: none; grid-auto-columns: min(73vw, 280px); gap: 13px; overflow-x: auto; padding-bottom: 12px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
  .shot-card { scroll-snap-align: start; }
  .swipe-hint { display: block; }
  .faq-list h3 { font-size: 15px; }
  .faq-list details > p { margin-right: 0; font-size: 13px; }
  .review-grid { grid-template-columns: 1fr; }
  .review-card { min-height: 0; }
  .review-top { grid-template-columns: 38px 1fr auto; }
  .review-top time { grid-column: auto; margin-top: 0; }
  .step-list li { padding: 24px 22px 26px; }
  .step-no { margin-bottom: 13px; font-size: 28px; }
  .download { padding: 52px 0 58px; }
  .download-inner { gap: 24px; }
  .download-copy > p:last-child { font-size: 13px; }
  .button-light { width: 100%; }
  .download-mark { right: -10px; bottom: -44px; font-size: 104px; }
  .footer-grid { grid-template-columns: 1fr; gap: 21px; }
  .footer-nav { justify-content: flex-start; gap: 10px 19px; }
  .footer-meta { align-items: flex-start; flex-direction: column; gap: 5px; }
  .disclaimer { grid-column: auto; }
}

@media (max-width: 380px) {
  .day-row > span { font-size: 11px; }
  .board-shot { flex-basis: 78px; }
  .board-shot img { height: 124px; }
  .board-badge { font-size: 10px; }
}