:root {
  --green-950: #032e25;
  --green-900: #063e32;
  --green-800: #075342;
  --green-700: #0a6a53;
  --green-100: #dce9df;
  --ivory: #f4f0e4;
  --ivory-deep: #e9e1d0;
  --red: #c83d33;
  --gold: #d0a750;
  --ink: #10251f;
  --muted: #68766f;
  --line: rgba(16, 37, 31, .14);
  --shadow: 0 25px 65px rgba(3, 46, 37, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 10% 10%, rgba(208, 167, 80, .12), transparent 24%),
    linear-gradient(rgba(255,255,255,.22), rgba(255,255,255,0));
}
a { color: inherit; text-decoration: none; }
button, video { font: inherit; }
.page-noise {
  position: fixed;
  z-index: 20;
  inset: 0;
  pointer-events: none;
  opacity: .16;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.11'/%3E%3C/svg%3E");
}

.site-header {
  width: min(1420px, calc(100% - 64px));
  height: 92px;
  margin: auto;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-seal {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  color: var(--ivory);
  background: var(--red);
  border: 2px solid var(--ivory);
  outline: 1px solid var(--red);
  font-family: "Songti SC", "SimSun", serif;
  font-size: 21px;
  font-weight: 700;
  transform: rotate(-5deg);
}
.brand-text { display: grid; gap: 2px; }
.brand-text strong { font-family: "Songti SC", "SimSun", serif; font-size: 18px; letter-spacing: .08em; }
.brand-text small { color: #7d8983; font-size: 8px; letter-spacing: .2em; }
.main-nav { gap: 40px; }
.main-nav a { position: relative; color: #43544d; font-size: 13px; }
.main-nav a::after {
  position: absolute;
  right: 100%;
  bottom: -10px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--red);
  transition: right .25s ease;
}
.main-nav a:hover::after { right: 0; }
.header-action {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 18px 12px 22px;
  color: var(--ivory);
  background: var(--green-900);
  border-radius: 4px;
  font-size: 13px;
  box-shadow: 5px 5px 0 var(--gold);
  transition: transform .2s, box-shadow .2s;
}
.header-action:hover { box-shadow: 2px 2px 0 var(--gold); transform: translate(3px, 3px); }
.menu-toggle { display: none; border: 0; background: none; }

.hero {
  position: relative;
  width: min(1420px, calc(100% - 64px));
  min-height: 740px;
  margin: auto;
  padding: 85px 0 105px;
}
.hero::before {
  position: absolute;
  z-index: -1;
  top: 42px;
  left: -120px;
  width: 400px;
  height: 400px;
  content: "";
  border: 1px solid rgba(6, 62, 50, .09);
  border-radius: 50%;
  box-shadow: 0 0 0 45px rgba(6, 62, 50, .025), 0 0 0 90px rgba(6, 62, 50, .018);
}
.hero-kicker { display: flex; align-items: center; gap: 10px; color: var(--green-700); font-size: 12px; font-weight: 700; letter-spacing: .15em; }
.red-dot { width: 8px; height: 8px; background: var(--red); border-radius: 50%; box-shadow: 0 0 0 5px rgba(200,61,51,.1); }
.hero h1 {
  margin: 27px 0 30px;
  font-family: "Songti SC", "SimSun", serif;
  font-size: clamp(68px, 7.2vw, 110px);
  font-weight: 700;
  line-height: .98;
  letter-spacing: -.07em;
}
.hero h1 span { display: block; color: var(--green-800); }
.hero-description { max-width: 590px; margin: 0; color: #596a62; font-size: 16px; line-height: 2; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 38px; }
.primary-button {
  display: inline-flex;
  min-height: 62px;
  align-items: center;
  gap: 17px;
  padding: 0 23px 0 10px;
  color: white;
  background: var(--green-900);
  border-radius: 6px;
  box-shadow: 7px 7px 0 var(--gold);
  font-size: 14px;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s;
}
.primary-button:hover { box-shadow: 3px 3px 0 var(--gold); transform: translate(4px, 4px); }
.button-tile {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  color: var(--green-700);
  background: #fffdf6;
  border-radius: 4px;
  box-shadow: inset 0 -4px 0 #d8cfbd;
  font-family: "Songti SC", serif;
  font-size: 20px;
}
.primary-button i { margin-left: 8px; font-style: normal; }
.watch-link { display: flex; align-items: center; gap: 10px; color: #3f5149; font-size: 13px; }
.watch-link span { display: grid; width: 38px; height: 38px; place-items: center; padding-left: 2px; border: 1px solid var(--line); border-radius: 50%; font-size: 9px; }
.hero-notes { display: flex; gap: 35px; margin-top: 63px; padding-top: 25px; border-top: 1px solid var(--line); }
.hero-notes div { display: grid; gap: 5px; }
.hero-notes strong { color: var(--green-800); font-family: "Songti SC", serif; font-size: 18px; }
.hero-notes span { color: #7a8781; font-size: 10px; }

.hero-table {
  position: relative;
  min-height: 570px;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(255,255,255,.08), transparent 31%),
    linear-gradient(135deg, var(--green-800), var(--green-950));
  border: 15px solid #183d32;
  border-radius: 34px;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.08), var(--shadow);
  transform: rotate(1deg);
}
.hero-table::before {
  position: absolute;
  inset: 20px;
  content: "";
  border: 1px solid rgba(244,240,228,.15);
  border-radius: 22px;
}
.hero-table::after {
  position: absolute;
  inset: 0;
  content: "";
  opacity: .2;
  background-image: radial-gradient(rgba(255,255,255,.35) .6px, transparent .6px);
  background-size: 5px 5px;
}
.table-ring {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: 235px;
  height: 235px;
  border: 1px solid rgba(208,167,80,.45);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}
.table-ring span { position: absolute; display: grid; width: 36px; height: 36px; place-items: center; color: var(--gold); background: var(--green-950); border: 1px solid rgba(208,167,80,.5); border-radius: 50%; font-family: "Songti SC", serif; transform: rotate(-45deg); }
.table-ring span:nth-child(1) { top: -18px; left: calc(50% - 18px); }
.table-ring span:nth-child(2) { top: calc(50% - 18px); right: -18px; }
.table-ring span:nth-child(3) { bottom: -18px; left: calc(50% - 18px); }
.table-ring span:nth-child(4) { top: calc(50% - 18px); left: -18px; }
.table-center {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: grid;
  width: 125px;
  height: 125px;
  place-content: center;
  color: var(--ivory);
  text-align: center;
  background: rgba(3,46,37,.8);
  border: 1px solid rgba(244,240,228,.18);
  border-radius: 18px;
  transform: translate(-50%, -50%);
}
.table-center small, .table-center span { color: #a5b9b0; font-size: 9px; letter-spacing: .1em; }
.table-center strong { color: var(--gold); font-family: "Songti SC", serif; font-size: 42px; line-height: 1.1; }
.tile-hand { position: absolute; z-index: 4; display: flex; gap: 5px; }
.tile-hand i, .tile-ribbon span {
  position: relative;
  display: grid;
  width: 43px;
  height: 59px;
  place-items: end center;
  padding-bottom: 8px;
  color: var(--green-700);
  background: #fffdf5;
  border: 1px solid #d6cfbf;
  border-radius: 5px;
  box-shadow: inset 0 -5px 0 #d7cebc, 3px 4px 8px rgba(0,0,0,.17);
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
}
.tile-hand i::before, .tile-ribbon span::before {
  position: absolute;
  top: 8px;
  left: 0;
  width: 100%;
  content: attr(data-tile);
  color: var(--green-800);
  text-align: center;
  font-family: "Songti SC", serif;
  font-size: 21px;
  font-weight: 700;
}
.tile-hand .red::before, .tile-ribbon .red::before { color: var(--red); }
.tile-hand .green::before, .tile-ribbon .green::before { color: var(--green-700); }
.tile-hand-top { top: 42px; left: 50%; transform: translateX(-50%); }
.tile-hand-bottom { bottom: 37px; left: 50%; transform: translateX(-50%); }
.tile-hand-left { top: 50%; left: 42px; transform: translateY(-50%) rotate(90deg); }
.tile-hand-right { top: 50%; right: 42px; transform: translateY(-50%) rotate(-90deg); }
.floating-chip {
  position: absolute;
  z-index: 6;
  padding: 11px 15px;
  color: #b9cbc3;
  background: rgba(3,46,37,.92);
  border: 1px solid rgba(244,240,228,.14);
  border-radius: 5px;
  box-shadow: 0 13px 25px rgba(0,0,0,.18);
  font-size: 9px;
  letter-spacing: .08em;
}
.floating-chip b { margin-left: 7px; color: var(--gold); font-size: 14px; }
.chip-one { top: 85px; right: 30px; }
.chip-two { bottom: 92px; left: 28px; }

.tile-ribbon { position: relative; z-index: 4; overflow: hidden; padding: 18px 0; background: var(--red); box-shadow: 0 8px 0 #9b2d27; transform: rotate(-1deg) scale(1.02); }
.ribbon-track { display: flex; width: max-content; gap: 9px; animation: tileScroll 28s linear infinite; }
.tile-ribbon span { width: 40px; height: 52px; flex: 0 0 40px; box-shadow: inset 0 -4px 0 #d7cebc, 2px 3px 0 rgba(0,0,0,.18); }
.tile-ribbon span::before { top: 6px; font-size: 18px; }
@keyframes tileScroll { to { transform: translateX(-50%); } }

.section { width: min(1300px, calc(100% - 64px)); margin: auto; padding: 140px 0; }
.section-title { display: flex; align-items: end; justify-content: space-between; margin-bottom: 65px; }
.section-label { display: inline-block; margin-bottom: 22px; color: var(--red); font-size: 10px; font-weight: 800; letter-spacing: .2em; }
.section-label.light { color: var(--gold); }
.section-title h2, .video-copy h2 { margin: 0; font-family: "Songti SC", "SimSun", serif; font-size: clamp(43px, 4.8vw, 68px); line-height: 1.08; letter-spacing: -.05em; }
.section-title > p { max-width: 430px; margin: 0 0 5px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.feature-card {
  position: relative;
  min-height: 325px;
  padding: 32px;
  overflow: hidden;
  background: rgba(255,255,255,.48);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: transform .25s, box-shadow .25s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.large-card { grid-row: span 2; min-height: 670px; background: var(--green-100); }
.wide-card { grid-column: span 2; min-height: 290px; }
.card-top { display: flex; align-items: center; justify-content: space-between; color: #60736a; font-size: 10px; letter-spacing: .12em; }
.card-top b { font-family: ui-monospace, monospace; font-weight: 500; }
.feature-card h3 { margin: 55px 0 15px; font-family: "Songti SC", serif; font-size: 28px; line-height: 1.35; }
.feature-card p { max-width: 440px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.record-board { position: absolute; right: 30px; bottom: 30px; left: 30px; padding: 25px; background: rgba(255,255,255,.72); border: 1px solid rgba(6,62,50,.1); border-radius: 8px; box-shadow: 0 18px 35px rgba(6,62,50,.08); }
.record-head { display: flex; justify-content: space-between; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line); font-size: 11px; font-weight: 700; }
.record-head small { color: #849189; font-size: 9px; font-weight: 400; }
.record-row { display: grid; grid-template-columns: 36px 1fr auto; gap: 12px; align-items: center; padding: 10px 0; }
.record-row > i { display: grid; width: 32px; height: 32px; place-items: center; color: var(--green-800); background: var(--ivory); border: 1px solid #d7d0c1; border-radius: 4px; font-family: "Songti SC", serif; font-style: normal; box-shadow: inset 0 -3px 0 #d6cdbc; }
.record-row > span { display: grid; gap: 3px; }
.record-row b { font-size: 11px; }
.record-row small { color: #89958f; font-size: 8px; }
.record-row em { color: var(--green-700); font-size: 9px; font-style: normal; }
.card-tile, .mini-tile {
  display: grid;
  width: 62px;
  height: 78px;
  margin-top: 50px;
  place-items: center;
  color: var(--green-800);
  background: #fffdf5;
  border: 1px solid #d6cfbf;
  border-radius: 6px;
  box-shadow: inset 0 -6px 0 #d7cebc, 5px 7px 0 rgba(6,62,50,.1);
  font-family: "Songti SC", serif;
  font-size: 28px;
  font-weight: 700;
  transform: rotate(-4deg);
}
.red-tile { color: var(--red); }
.green-tile { color: var(--green-700); }
.feature-card:not(.large-card):not(.wide-card) h3 { margin-top: 28px; font-size: 22px; }
.dark-card { color: var(--ivory); background: var(--green-900); }
.dark-card .card-top, .dark-card p { color: #a8bbb2; }
.review-circle { display: grid; width: 110px; height: 110px; margin-top: 35px; place-content: center; text-align: center; border: 7px solid rgba(255,255,255,.09); border-top-color: var(--gold); border-right-color: var(--gold); border-radius: 50%; }
.review-circle strong { color: var(--gold); font-size: 24px; }
.review-circle span { margin-top: 4px; color: #9dafaa; font-size: 8px; }
.wide-card { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: end; }
.wide-card h3 { margin-top: 45px; font-size: 25px; }
.device-list { display: flex; gap: 9px; align-self: center; }
.device-list span { display: grid; width: 58px; height: 58px; place-items: center; color: var(--green-900); background: var(--green-100); border-radius: 50%; font-size: 9px; }
.wide-card > a { position: absolute; right: 30px; bottom: 25px; display: flex; gap: 60px; align-items: center; color: var(--red); font-size: 11px; font-weight: 700; }
.wide-card > a i { font-style: normal; }

.video-section {
  position: relative;
  width: min(1420px, calc(100% - 40px));
  margin: 0 auto;
  padding: 110px max(50px, calc((100% - 1260px)/2));
  color: var(--ivory);
  background: var(--green-950);
  border-radius: 18px;
}
.video-section::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: .2;
  background-image: radial-gradient(rgba(255,255,255,.38) .6px, transparent .6px);
  background-size: 5px 5px;
  border-radius: inherit;
}
.video-copy, .video-frame { position: relative; z-index: 2; }
.video-copy p { max-width: 440px; margin: 28px 0; color: #a5b8af; font-size: 14px; line-height: 1.9; }
.video-points { display: grid; gap: 14px; color: #c4d1cb; font-size: 11px; }
.video-points span { display: flex; align-items: center; gap: 9px; }
.video-points i { display: grid; width: 20px; height: 20px; place-items: center; color: var(--green-950); background: var(--gold); border-radius: 50%; font-size: 9px; font-style: normal; }
.video-frame { padding: 15px; background: #092f27; border: 1px solid rgba(244,240,228,.17); border-radius: 8px; box-shadow: 15px 15px 0 rgba(208,167,80,.15), 0 30px 70px rgba(0,0,0,.32); }
.video-header, .video-footer { display: flex; justify-content: space-between; align-items: center; min-height: 42px; padding: 0 8px; color: #9ab0a6; font-size: 8px; letter-spacing: .13em; }
.video-header span { display: flex; align-items: center; gap: 8px; }
.video-header i { width: 7px; height: 7px; background: var(--red); border-radius: 50%; box-shadow: 0 0 8px var(--red); }
.video-header b { color: var(--gold); font-weight: 500; }
.video-shell { position: relative; overflow: hidden; background: #011a15; border: 1px solid rgba(255,255,255,.1); aspect-ratio: 16 / 9; }
.video-shell video { display: block; width: 100%; height: 100%; object-fit: contain; background: #011a15; }
.custom-play {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 12px;
  color: white;
  text-align: center;
  background: radial-gradient(circle, rgba(6,62,50,.2), rgba(3,46,37,.72));
  border: 0;
  cursor: pointer;
  transition: opacity .25s;
}
.custom-play span { display: grid; width: 68px; height: 68px; margin: auto; place-items: center; padding-left: 4px; color: var(--green-950); background: var(--gold); border: 5px solid rgba(255,255,255,.16); outline: 1px solid var(--gold); border-radius: 50%; font-size: 18px; }
.custom-play b { font-size: 11px; letter-spacing: .16em; }
.custom-play.is-hidden { opacity: 0; pointer-events: none; }

.guide-section { padding-bottom: 115px; }
.guide-card { position: relative; min-height: 340px; padding: 35px; background: rgba(255,255,255,.4); border: 1px solid var(--line); border-top: 4px solid var(--green-800); }
.guide-card:nth-child(2) { border-top-color: var(--red); }
.guide-card:nth-child(3) { border-top-color: var(--gold); }
.guide-number { position: absolute; top: 32px; right: 32px; color: #9aa49f; font-family: "Songti SC", serif; font-size: 14px; }
.guide-card .mini-tile { width: 54px; height: 68px; margin-top: 5px; font-size: 22px; }
.guide-card h3 { margin: 40px 0 13px; font-family: "Songti SC", serif; font-size: 24px; }
.guide-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

.refund-banner {
  width: min(1300px, calc(100% - 64px));
  margin: 0 auto 110px;
  padding: 56px 65px;
  color: var(--ivory);
  background: var(--red);
  border: 8px solid var(--ivory);
  outline: 1px solid var(--red);
  box-shadow: 13px 13px 0 var(--green-900);
}
.refund-seal { display: grid; width: 66px; height: 66px; place-items: center; border: 1px solid rgba(255,255,255,.65); font-family: "Songti SC", serif; font-size: 17px; transform: rotate(-4deg); }
.refund-copy span { color: #ffd1c9; font-size: 9px; letter-spacing: .18em; }
.refund-copy h2 { margin: 10px 0; font-family: "Songti SC", serif; font-size: clamp(30px, 3vw, 43px); }
.refund-copy p { max-width: 680px; margin: 0; color: #f4cbc6; font-size: 13px; line-height: 1.8; }
.refund-banner > a { display: flex; min-height: 55px; align-items: center; gap: 35px; padding: 0 25px; color: var(--ink); background: var(--ivory); border-radius: 4px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.refund-banner > a i { font-style: normal; }

.site-footer { width: min(1300px, calc(100% - 64px)); margin: auto; padding: 65px 0 28px; border-top: 1px solid var(--line); }
.footer-main p { color: var(--muted); font-size: 11px; }
.footer-nav { display: flex; gap: 35px; }
.footer-nav a { color: #617169; font-size: 11px; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 55px; padding-top: 22px; color: #8a9690; border-top: 1px solid var(--line); font-size: 9px; }

.inner-hero { position: relative; width: min(1300px, calc(100% - 64px)); min-height: 570px; margin: auto; padding: 90px 0 100px; border-bottom: 1px solid var(--line); }
.inner-hero-copy h1 { margin: 5px 0 28px; font-family: "Songti SC", "SimSun", serif; font-size: clamp(60px, 6.8vw, 96px); line-height: .98; letter-spacing: -.07em; }
.inner-hero-copy h1 em { color: var(--green-800); font-style: normal; }
.inner-hero-copy > p { max-width: 590px; margin: 0; color: var(--muted); font-size: 15px; line-height: 2; }
.inner-badges { display: flex; gap: 9px; margin-top: 32px; }
.inner-badges span { padding: 9px 13px; color: var(--green-800); background: var(--green-100); border-radius: 3px; font-size: 9px; font-weight: 700; letter-spacing: .08em; }
.download-table { position: relative; min-height: 400px; overflow: hidden; background: var(--green-900); border: 12px solid #183d32; border-radius: 25px; box-shadow: var(--shadow); transform: rotate(1.5deg); }
.download-table::before { position: absolute; inset: 18px; content: ""; border: 1px solid rgba(244,240,228,.15); border-radius: 14px; }
.download-compass { position: absolute; top: 50%; left: 50%; width: 220px; height: 220px; border: 1px solid rgba(208,167,80,.45); border-radius: 50%; transform: translate(-50%,-50%) rotate(45deg); }
.download-compass span { position: absolute; display: grid; width: 42px; height: 42px; place-items: center; color: var(--gold); background: var(--green-950); border: 1px solid var(--gold); border-radius: 50%; font-size: 11px; transform: rotate(-45deg); }
.download-compass span:nth-child(1) { top: 89px; left: -21px; }
.download-compass span:nth-child(2) { top: 89px; right: -21px; }
.download-center { position: absolute; top: 50%; left: 50%; display: grid; width: 112px; height: 112px; place-content: center; text-align: center; background: var(--green-950); border: 1px solid rgba(255,255,255,.14); border-radius: 15px; transform: translate(-50%,-50%); }
.download-center b { color: var(--gold); font-family: "Songti SC", serif; font-size: 38px; }
.download-center small { color: #94aaa0; font-size: 8px; }
.download-tile, .refund-tile { position: absolute; display: grid; width: 54px; height: 70px; place-items: center; color: var(--green-800); background: #fffdf5; border: 1px solid #d6cfbf; border-radius: 5px; box-shadow: inset 0 -5px 0 #d7cebc, 4px 6px 10px rgba(0,0,0,.2); font-family: "Songti SC", serif; font-size: 22px; font-weight: 700; }
.tile-a { top: 35px; left: 45px; transform: rotate(-8deg); }
.tile-b { right: 40px; bottom: 37px; color: var(--red); transform: rotate(7deg); }
.tile-c { right: 38px; top: 45px; transform: rotate(4deg); }
.device-section { padding-top: 120px; }
.device-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.device-card { position: relative; min-height: 530px; padding: 38px; background: rgba(255,255,255,.45); border: 1px solid var(--line); border-top: 5px solid var(--green-700); }
.device-card.red-device { border-top-color: var(--red); }
.device-card.gold-device { border-top-color: var(--gold); }
.device-card.dark-device { color: var(--ivory); background: var(--green-900); border-color: var(--green-900); border-top-color: #183d32; }
.device-card-head { display: flex; justify-content: space-between; color: #7d8983; font-size: 9px; letter-spacing: .16em; }
.dark-device .device-card-head { color: #9cb0a7; }
.device-mahjong { display: grid; width: 65px; height: 82px; margin-top: 42px; place-items: center; color: var(--green-800); background: #fffdf5; border: 1px solid #d6cfbf; border-radius: 6px; box-shadow: inset 0 -6px 0 #d7cebc, 5px 7px 0 rgba(6,62,50,.1); font-family: "Songti SC", serif; font-size: 27px; font-weight: 700; transform: rotate(-4deg); }
.device-mahjong.red-tile { color: var(--red); }
.device-card h2 { margin: 30px 0 12px; font-family: "Songti SC", serif; font-size: 28px; }
.device-card > p { max-width: 470px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.dark-device > p, .dark-device ul { color: #a9bbb3; }
.device-card ul { display: grid; gap: 9px; margin: 25px 0 80px; padding: 0; color: #697871; font-size: 10px; list-style: none; }
.device-card li::before { margin-right: 8px; color: var(--red); content: "◆"; font-size: 6px; }
.device-card > a { position: absolute; right: 38px; bottom: 35px; left: 38px; display: flex; min-height: 56px; align-items: center; justify-content: space-between; padding: 0 20px; color: white; background: var(--green-900); border-radius: 4px; font-size: 12px; font-weight: 700; }
.red-device > a { background: var(--red); }
.gold-device > a { color: var(--ink); background: var(--gold); }
.dark-device > a { color: var(--green-950); background: var(--ivory); }
.device-card > a i { font-style: normal; }
.install-section { width: min(1420px, calc(100% - 40px)); margin: 0 auto 110px; padding: 90px max(50px, calc((100% - 1260px)/2)); color: var(--ivory); background: var(--green-950); border-radius: 16px; }
.install-heading h2 { max-width: 680px; margin: 0; font-family: "Songti SC", serif; font-size: clamp(36px, 4vw, 57px); }
.install-steps { margin-top: 60px; border-top: 1px solid rgba(255,255,255,.14); }
.install-steps article { display: grid; grid-template-columns: 80px 1fr; gap: 20px; padding: 30px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.install-steps article > span { color: var(--gold); font-family: "Songti SC", serif; font-size: 20px; }
.install-steps h3 { margin: 0 0 8px; font-size: 17px; }
.install-steps p { margin: 0; color: #9eb1a8; font-size: 12px; line-height: 1.8; }
.refund-visual { position: relative; min-height: 390px; background: var(--red); border: 10px solid #9c302a; box-shadow: var(--shadow); transform: rotate(1.5deg); }
.refund-visual::before { position: absolute; inset: 20px; content: ""; border: 1px solid rgba(255,255,255,.25); }
.refund-stamp { position: absolute; z-index: 3; top: 35px; right: 35px; display: grid; width: 90px; height: 90px; place-content: center; color: #ffe2dc; text-align: center; border: 2px solid #ffe2dc; border-radius: 50%; font-family: "Songti SC", serif; font-size: 29px; line-height: .85; transform: rotate(12deg); }
.refund-stamp small { font-family: system-ui, sans-serif; font-size: 7px; letter-spacing: .15em; }
.refund-ticket { position: absolute; top: 50%; left: 50%; display: grid; width: 72%; min-height: 210px; align-content: center; padding: 35px; color: var(--ink); background: var(--ivory); box-shadow: 10px 12px 0 rgba(88,16,12,.22); transform: translate(-50%,-50%) rotate(-4deg); }
.refund-ticket::before, .refund-ticket::after { position: absolute; top: 50%; width: 24px; height: 24px; content: ""; background: var(--red); border-radius: 50%; transform: translateY(-50%); }
.refund-ticket::before { left: -12px; }
.refund-ticket::after { right: -12px; }
.refund-ticket > span { color: var(--red); font-size: 8px; letter-spacing: .18em; }
.refund-ticket strong { margin: 10px 0 22px; font-family: "Songti SC", serif; font-size: 25px; }
.refund-ticket i { display: inline-block; width: 70%; height: 1px; margin: 4px 0; background: var(--line); }
.refund-ticket small { margin-top: 17px; color: var(--muted); font-size: 9px; }
.refund-tile { right: 28px; bottom: 25px; color: var(--green-800); transform: rotate(9deg); }
.refund-content { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(340px,.8fr); gap: 55px; align-items: start; padding-top: 120px; }
.refund-form-wrap { padding: 45px; background: rgba(255,255,255,.48); border: 1px solid var(--line); }
.form-heading h2, .refund-notice h2 { margin: 0; font-family: "Songti SC", serif; font-size: 38px; }
.form-heading p { margin: 12px 0 35px; color: var(--muted); font-size: 12px; }
.refund-form { display: grid; gap: 20px; }
.refund-form label { display: grid; gap: 9px; }
.refund-form label > span { color: #52645b; font-size: 11px; font-weight: 700; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.refund-form input, .refund-form select, .refund-form textarea { width: 100%; padding: 15px 16px; color: var(--ink); background: var(--ivory); border: 1px solid #d7d0c1; border-radius: 3px; outline: none; font: inherit; font-size: 12px; transition: border-color .2s, box-shadow .2s; }
.refund-form textarea { resize: vertical; line-height: 1.7; }
.refund-form input:focus, .refund-form select:focus, .refund-form textarea:focus { border-color: var(--green-700); box-shadow: 0 0 0 3px rgba(10,106,83,.1); }
.consent-row { display: flex !important; align-items: flex-start; gap: 9px !important; }
.consent-row input { width: 15px; margin-top: 2px; }
.consent-row span { color: var(--muted) !important; font-size: 10px !important; font-weight: 400 !important; line-height: 1.6; }
.refund-submit { display: flex; min-height: 58px; align-items: center; justify-content: space-between; padding: 0 22px; color: white; background: var(--green-900); border: 0; border-radius: 3px; cursor: pointer; font-size: 12px; font-weight: 700; }
.refund-submit i { font-style: normal; }
.form-feedback { min-height: 18px; margin: 0; color: var(--green-700); font-size: 11px; }
.refund-notice { position: sticky; top: 25px; padding: 42px; color: var(--ivory); background: var(--green-900); }
.refund-notice .section-label { color: var(--gold); }
.refund-notice ol { display: grid; gap: 0; margin: 35px 0; padding: 0; list-style: none; }
.refund-notice li { display: grid; grid-template-columns: 40px 1fr; gap: 12px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.12); }
.refund-notice li:last-child { border-bottom: 1px solid rgba(255,255,255,.12); }
.refund-notice li > b { color: var(--gold); font-family: ui-monospace, monospace; font-size: 9px; }
.refund-notice strong { font-size: 13px; }
.refund-notice p { margin: 7px 0 0; color: #a9bbb3; font-size: 10px; line-height: 1.7; }
.notice-help { padding: 20px; background: rgba(0,0,0,.12); }
.notice-help > span { display: block; margin-bottom: 12px; color: #9fb2a9; font-size: 9px; }
.notice-help a { display: flex; justify-content: space-between; color: var(--gold); font-size: 11px; font-weight: 700; }
.notice-help i { font-style: normal; }

.reveal { opacity: 0; transform: translateY(25px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-header, .hero, .section, .refund-banner, .site-footer { width: min(100% - 36px, 760px); }
  .site-header { height: 78px; }
  .main-nav, .header-action { display: none; }
  .menu-toggle { display: grid; width: 42px; height: 42px; place-content: center; gap: 6px; }
  .menu-toggle span { width: 23px; height: 1px; background: var(--ink); }
  .main-nav.is-open { position: absolute; z-index: 30; top: 72px; right: 18px; left: 18px; display: grid; gap: 0; padding: 10px 22px; background: var(--ivory); border: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-nav.is-open a { padding: 15px 0; border-bottom: 1px solid var(--line); }
  .main-nav.is-open a:last-child { border: 0; }
  .hero { padding-top: 65px; }
  .hero-table { min-height: 560px; margin-top: 65px; }
  .section { padding: 105px 0; }
  .section-title { display: block; }
  .section-title > p { margin-top: 25px; }
  .large-card { grid-row: auto; grid-column: 1 / -1; min-height: 620px; }
  .wide-card { grid-column: 1 / -1; }
  .video-section { width: calc(100% - 28px); padding: 80px 30px; }
  .video-frame { margin-top: 60px; }
  .refund-banner { padding: 45px 35px; }
  .refund-banner > a { grid-column: 1 / -1; width: max-content; margin-top: 10px; }
  .inner-hero { width: min(100% - 36px, 760px); padding-top: 65px; }
  .download-table, .refund-visual { min-height: 380px; margin-top: 60px; }
  .device-grid { grid-template-columns: 1fr; }
  .install-section { width: calc(100% - 28px); padding: 75px 30px; }
  .refund-content { grid-template-columns: 1fr; }
  .refund-notice { position: static; }
}

@media (max-width: 600px) {
  .site-header, .hero, .section, .refund-banner, .site-footer { width: calc(100% - 28px); }
  .brand-text strong { font-size: 15px; }
  .hero h1 { font-size: 53px; }
  .hero-description { font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-notes { gap: 18px; justify-content: space-between; }
  .hero-table { min-height: 450px; border-width: 10px; border-radius: 22px; }
  .table-ring { width: 180px; height: 180px; }
  .table-center { width: 100px; height: 100px; }
  .tile-hand i { width: 34px; height: 48px; }
  .tile-hand i::before { font-size: 17px; }
  .tile-hand-top { top: 28px; }
  .tile-hand-bottom { bottom: 25px; }
  .tile-hand-left { left: 14px; }
  .tile-hand-right { right: 14px; }
  .floating-chip { display: none; }
  .section { padding: 85px 0; }
  .section-title h2, .video-copy h2 { font-size: 40px; }
  .feature-card { min-height: 310px; }
  .large-card { min-height: 600px; }
  .wide-card { display: block; min-height: 380px; }
  .device-list { margin-top: 40px; flex-wrap: wrap; }
  .video-section { padding: 65px 18px; border-radius: 10px; }
  .video-frame { padding: 9px; }
  .video-header, .video-footer { font-size: 7px; }
  .guide-card { min-height: 300px; }
  .refund-banner { padding: 35px 25px; }
  .refund-banner > a { width: 100%; justify-content: space-between; }
  .footer-nav { flex-wrap: wrap; margin-top: 35px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 10px; }
  .inner-hero { width: calc(100% - 28px); padding: 60px 0 75px; }
  .inner-hero-copy h1 { font-size: 52px; }
  .download-table, .refund-visual { min-height: 330px; }
  .download-compass { width: 170px; height: 170px; }
  .download-compass span:nth-child(1), .download-compass span:nth-child(2) { top: 64px; }
  .device-card { min-height: 520px; padding: 28px; }
  .device-card > a { right: 28px; bottom: 28px; left: 28px; }
  .install-section { padding: 60px 20px; }
  .install-steps article { grid-template-columns: 50px 1fr; }
  .refund-ticket { width: 82%; padding: 28px; }
  .refund-form-wrap, .refund-notice { padding: 28px 22px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}