.double11-landing {
  --ink: #0b2d29;
  --green: #003f37;
  --green-2: #07584d;
  --cream: #f4efe4;
  --paper: #fffdf7;
  --red: #e4432e;
  --gold: #d8b467;
  --line: rgba(11, 45, 41, 0.16);
  --shadow: 0 24px 70px rgba(4, 41, 36, 0.14);
}

.double11-landing * { box-sizing: border-box; }
.double11-landing { scroll-behavior: smooth; }
.double11-landing {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  overflow-x: hidden;
}
.double11-landing a { color: inherit; }
.double11-landing img { display: block; max-width: 100%; }

.double11-landing .preview-bar {
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 20px;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  letter-spacing: .16em;
  position: relative;
  z-index: 50;
}
.double11-landing .preview-bar span { opacity: .72; }
.double11-landing .preview-bar strong { font-weight: 800; }

.double11-landing .site-header {
  height: 74px;
  padding: 0 clamp(22px, 5vw, 84px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--green);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.13);
  position: sticky;
  top: 0;
  z-index: 40;
}
.double11-landing .brand img { width: 124px; height: auto; }
.double11-landing .site-header nav { display: flex; align-items: center; gap: 34px; }
.double11-landing .site-header nav a { text-decoration: none; font-weight: 700; font-size: 14px; }
.double11-landing .nav-cta { border: 1px solid rgba(255,255,255,.72); padding: 10px 18px; border-radius: 99px; }

.double11-landing .hero {
  min-height: calc(100vh - 106px);
  padding: clamp(70px, 9vw, 130px) clamp(24px, 7vw, 120px) 110px;
  display: grid;
  grid-template-columns: minmax(0, .93fr) minmax(420px, 1.07fr);
  align-items: center;
  gap: 54px;
  background:
    radial-gradient(circle at 72% 30%, rgba(216,180,103,.18), transparent 28%),
    linear-gradient(135deg, #002d28 0%, #00463d 56%, #00352e 100%);
  color: #fff;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.double11-landing .hero-noise {
  position: absolute; inset: 0; z-index: -1; opacity: .25;
  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='.95' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.11'/%3E%3C/svg%3E");
}
.double11-landing .eleven { position: absolute; font: 900 32vw/1 Arial, sans-serif; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.08); z-index: -1; }
.double11-landing .eleven-left { left: -7vw; bottom: -11vw; }
.double11-landing .eleven-right { right: -10vw; top: -10vw; transform: rotate(12deg); }

.double11-landing .eyebrow, .double11-landing .section-kicker { display: flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 900; letter-spacing: .22em; }
.double11-landing .eyebrow { color: #e5d09b; }
.double11-landing .eyebrow span { width: 38px; height: 2px; background: var(--gold); }
.double11-landing .event-period { display: inline-flex; align-items: center; gap: 16px; margin: 20px 0 8px; padding: 16px 20px; border: 1px solid #f59162; border-radius: 6px; background: var(--red); box-shadow: 0 10px 28px rgba(0,0,0,.16); }
.double11-landing .event-period span { color: #fff; font-size: 16px; font-weight: 900; white-space: nowrap; }
.double11-landing .event-period strong { color: #fff1be; font-size: clamp(22px, 2.2vw, 32px); letter-spacing: .02em; line-height: 1.3; white-space: nowrap; }
.double11-landing .hero h1 { margin: 20px 0 28px; font-size: clamp(58px, 7.8vw, 124px); line-height: .9; letter-spacing: -.065em; }
.double11-landing .hero h1 span { display: block; color: var(--gold); font-size: .42em; letter-spacing: .08em; margin-bottom: 20px; }
.double11-landing .hero-intro { max-width: 540px; margin: 0; color: rgba(255,255,255,.75); font-size: clamp(16px, 1.4vw, 20px); line-height: 1.8; }
.double11-landing .activity-exclusion { margin: 20px 0; padding: 14px 18px; border-left: 4px solid #ff914d; border-radius: 4px; background: #fff1e2; color: #74320c; font-size: 15px; font-weight: 700; line-height: 1.8; }
.double11-landing .hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 40px; }
.double11-landing .button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px; border-radius: 4px; text-decoration: none; font-weight: 900; letter-spacing: .04em; transition: transform .25s, box-shadow .25s; }
.double11-landing .button:hover { transform: translateY(-3px); }
.double11-landing .button-primary { color: var(--ink); background: var(--gold); box-shadow: 0 14px 32px rgba(0,0,0,.18); }
.double11-landing .text-link { text-decoration: none; font-weight: 800; }
.double11-landing .text-link span { color: var(--gold); font-size: 20px; }

.double11-landing .hero-visual { min-height: 560px; position: relative; }
.double11-landing .hero-visual::before { content: ""; position: absolute; width: 72%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; left: 17%; top: 9%; }
.double11-landing .hero-visual::after { content: ""; position: absolute; width: 50%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; left: 28%; top: 20%; }
.double11-landing .product-orbit {
  position: absolute;
  background: rgba(255,255,255,.96);
  border-radius: 6px;
  padding: 16px;
  box-shadow: 0 28px 68px rgba(0,0,0,.24);
  animation: float 6s ease-in-out infinite;
  z-index: 2;
}
.double11-landing .product-orbit img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.double11-landing .orbit-one { width: 40%; height: 36%; left: 2%; top: 8%; transform: rotate(-6deg); }
.double11-landing .orbit-two { width: 43%; height: 39%; right: 6%; top: 3%; transform: rotate(4deg); animation-delay: -1.5s; }
.double11-landing .orbit-three { width: 43%; height: 35%; left: 28.5%; bottom: 4%; transform: rotate(0deg); animation-delay: -3s; }
@keyframes float { 0%,100% { margin-top: 0; } 50% { margin-top: -10px; } }
.double11-landing .hero-seal {
  position: absolute; left: 41%; top: 39%; width: 132px; height: 132px; border-radius: 50%;
  display: grid; place-content: center; text-align: center; background: var(--red); color: #fff;
  box-shadow: 0 16px 44px rgba(0,0,0,.3); z-index: 5; transform: rotate(-8deg);
}
.double11-landing .hero-seal span { font-size: 12px; font-weight: 900; letter-spacing: .14em; }
.double11-landing .hero-seal strong { font: 900 46px/1 Arial, sans-serif; margin: 3px 0; }

.double11-landing .hero-stats { position: absolute; left: clamp(24px, 7vw, 120px); bottom: 28px; display: flex; gap: 44px; }
.double11-landing .hero-stats div { display: flex; align-items: baseline; gap: 9px; }
.double11-landing .hero-stats strong { color: var(--gold); font-size: 28px; }
.double11-landing .hero-stats span { font-size: 12px; color: rgba(255,255,255,.64); }

.double11-landing .ticker { overflow: hidden; background: var(--red); color: #fff; border-block: 1px solid rgba(0,0,0,.08); }
.double11-landing .ticker-track { width: max-content; padding: 15px 0; display: flex; align-items: center; gap: 28px; animation: ticker 24s linear infinite; font-weight: 900; letter-spacing: .18em; }
.double11-landing .ticker-track i { color: #ffd9a0; }
@keyframes ticker { to { transform: translateX(-50%); } }

.double11-landing .rewards-section { padding: 120px clamp(24px, 7vw, 120px); display: grid; grid-template-columns: minmax(260px, .62fr) minmax(0, 1.38fr); gap: clamp(50px, 8vw, 120px); }
.double11-landing .section-heading { position: sticky; top: 120px; align-self: start; }
.double11-landing .section-kicker { color: var(--red); margin: 0 0 18px; }
.double11-landing .section-heading h2 { margin: 0; font-size: clamp(42px, 5vw, 76px); line-height: 1.05; letter-spacing: -.055em; }
.double11-landing .section-heading > p:last-child { max-width: 390px; margin: 26px 0 0; color: rgba(11,45,41,.68); line-height: 1.85; }

.double11-landing .tier-list { display: grid; gap: 16px; }
.double11-landing .tier-card {
  min-height: 224px; display: grid; grid-template-columns: 56px 150px minmax(150px, .8fr) minmax(210px, 1fr); align-items: center; gap: 18px;
  padding: 26px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; position: relative; overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.double11-landing .tier-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(11,45,41,.3); }
.double11-landing .tier-number { font: 800 15px/1 Arial, sans-serif; align-self: start; color: var(--red); }
.double11-landing .threshold small { display: block; font-weight: 800; color: rgba(11,45,41,.48); margin-bottom: 7px; }
.double11-landing .threshold strong { font: 900 clamp(24px, 2vw, 32px)/1.05 Arial, sans-serif; letter-spacing: -.04em; }
.double11-landing .gift-visual { height: 160px; display: flex; align-items: center; justify-content: center; position: relative; }
.double11-landing .gift-visual img { max-width: 100%; max-height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.double11-landing .gift-copy { align-self: center; }
.double11-landing .pill-count { display: inline-flex; padding: 6px 10px; border-radius: 99px; background: #e7f0ec; color: var(--green-2); font-size: 11px; font-weight: 900; }
.double11-landing .gift-copy h3 { margin: 12px 0 14px; font-size: clamp(18px, 1.7vw, 24px); line-height: 1.35; }
.double11-landing .gift-value { margin: 0 0 16px; color: var(--red); font-size: 12px; line-height: 1.6; }
.double11-landing .gift-value strong { display: block; font-size: 23px; letter-spacing: -.03em; }
.double11-landing .tier-dark .gift-value { color: var(--gold); }
.double11-landing .tier-finale .gift-value { color: #fff1be; }
.double11-landing .gift-copy > a, .double11-landing .mini-links a { color: var(--red); text-decoration: none; font-size: 13px; font-weight: 900; }
.double11-landing .tier-dark { background: var(--green); color: #fff; }
.double11-landing .tier-dark .threshold small { color: rgba(255,255,255,.55); }
.double11-landing .tier-dark .gift-visual { background: #fff; border-radius: 8px; }
.double11-landing .tier-dark .gift-visual img { padding: 10px; }
.double11-landing .tier-dark .pill-count { background: var(--gold); color: var(--ink); }
.double11-landing .double-images { gap: 3px; }
.double11-landing .double-images img { flex: 1 1 0; min-width: 0; max-width: 44%; }
.double11-landing .double-images span { font-size: 18px; font-weight: 900; color: var(--red); }
.double11-landing .mini-links { display: flex; gap: 16px; }
.double11-landing .tier-finale { background: var(--red); color: #fff; border-color: transparent; min-height: 280px; }
.double11-landing .tier-finale::before { content: "11"; position: absolute; right: -20px; bottom: -70px; font: 900 230px/1 Arial; color: rgba(255,255,255,.07); }
.double11-landing .tier-finale .threshold small { color: rgba(255,255,255,.62); }
.double11-landing .tier-finale .pill-count { background: #fff; color: var(--red); }
.double11-landing .tier-finale .gift-copy > a { color: #fff; }
.double11-landing .finale-image { background: #fff; border-radius: 8px; }
.double11-landing .finale-image img { padding: 8px; }
.double11-landing .x2 { position: absolute; right: 5px; top: 5px; width: 44px; height: 44px; display: grid; place-items: center; background: var(--ink); color: #fff; border-radius: 50%; font-weight: 900; }

.double11-landing .stacking-section { margin: 0 clamp(24px, 4vw, 64px); padding: clamp(70px, 8vw, 120px); background: var(--paper); border: 1px solid var(--line); border-radius: 18px; position: relative; overflow: hidden; }
.double11-landing .stacking-section::after { content: "＋"; position: absolute; right: -1vw; top: -9vw; font: 900 30vw/1 Arial; color: rgba(7,88,77,.06); }
.double11-landing .stacking-label { color: var(--red); font-size: 11px; font-weight: 900; letter-spacing: .22em; }
.double11-landing .stacking-copy { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin: 28px 0 68px; position: relative; z-index: 1; }
.double11-landing .stacking-copy > p { margin: 0; font-size: 18px; font-weight: 800; }
.double11-landing .stacking-copy h2 { margin: 0; font-size: clamp(55px, 8vw, 128px); line-height: .86; letter-spacing: -.07em; }
.double11-landing .stacking-copy em { color: var(--red); font-style: normal; }
.double11-landing .stacking-example { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 18px; position: relative; z-index: 1; }
.double11-landing .stack-step { min-height: 150px; padding: 24px; border: 1px solid var(--line); display: flex; flex-direction: column; justify-content: end; }
.double11-landing .stack-step span { margin-bottom: auto; color: var(--red); font: 900 12px Arial; }
.double11-landing .stack-step strong { font-size: 20px; }
.double11-landing .stack-step small { color: rgba(11,45,41,.58); margin-top: 8px; }
.double11-landing .stack-step.highlight { background: var(--green); color: #fff; }
.double11-landing .stack-step.highlight small { color: rgba(255,255,255,.62); }
.double11-landing .stack-arrow { font-size: 30px; font-weight: 900; color: var(--red); }
.double11-landing .stacking-section { scroll-margin-top: 88px; }
.double11-landing .stacking-section::after { pointer-events: none; }
.double11-landing .stack-step small { line-height: 1.6; }
.double11-landing .stack-examples { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.double11-landing .stack-examples article { padding: 24px; border-top: 3px solid var(--gold); background: var(--cream); }
.double11-landing .stack-examples p { margin: 0 0 18px; font-size: 22px; font-weight: 900; }
.double11-landing .stack-examples small { display: block; margin-top: 8px; color: #526863; font-size: 13px; }
.double11-landing .stack-examples h3 { margin: 0 0 18px; font-size: 16px; line-height: 1.8; }
.double11-landing .stack-examples article > span { color: var(--red); font-size: 14px; font-weight: 900; }
.double11-landing .stack-examples .example-value { margin: 14px 0 0; padding-top: 14px; border-top: 1px solid var(--line); font-size: 12px; font-weight: 400; }
.double11-landing .example-value strong { display: block; margin-top: 4px; color: var(--red); font-size: 24px; }
.double11-landing .calculator-section { padding: 56px clamp(24px, 7vw, 120px); scroll-margin-top: 74px; }
.double11-landing .gift-calculator { position: relative; z-index: 1; padding: clamp(20px, 3vw, 40px); background: var(--green); color: #fff; border-radius: 12px; }
.double11-landing .calculator-heading h2 { margin: 0; font-size: clamp(22px, 2.5vw, 32px); }
.double11-landing .calculator-heading .calculator-kicker { color: var(--gold); font-size: 11px; font-weight: 900; letter-spacing: .2em; margin: 0 0 14px; }
.double11-landing .calculator-heading p { margin: 10px 0 28px; color: #c5d7d1; line-height: 1.7; }
.double11-landing .gift-calculator label { display: block; margin-bottom: 10px; font-size: 14px; font-weight: 800; }
.double11-landing .calculator-input { display: flex; gap: 12px; }
.double11-landing .calculator-input input { min-width: 0; flex: 1; border: 1px solid #9fbab2; border-radius: 4px; padding: 12px 16px; color: var(--ink); background: var(--paper); font-family: inherit; font-size: 24px; line-height: 1.3; font-weight: 800; }
.double11-landing .calculator-input button { border: 0; font-family: inherit; cursor: pointer; }
.double11-landing .gift-calculator :focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.double11-landing .calculator-error { color: #ffd9a0; line-height: 1.6; }
.double11-landing .amount-presets { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 24px; }
.double11-landing .amount-presets button { color: #fff; background: transparent; border: 1px solid #5f9084; border-radius: 99px; padding: 8px 16px; font: inherit; cursor: pointer; }
.double11-landing .amount-presets button:hover { background: #1c6055; }
.double11-landing .calculator-result { border-top: 1px solid #487c70; padding-top: 22px; overflow-wrap: anywhere; }
.double11-landing .calculator-result > p { line-height: 1.7; color: #c5d7d1; }
.double11-landing .calculator-result h4 { margin: 12px 0; font-size: 22px; color: var(--gold); }
.double11-landing .calculator-result ul { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.double11-landing .calculator-result li { min-width: 0; border: 1px solid #487c70; border-radius: 8px; overflow: hidden; }
.double11-landing .calculator-result li > a { display: grid; grid-template-columns: minmax(100px, .8fr) minmax(0, 1fr); height: 100%; text-decoration: none; transition: background .2s; }
.double11-landing .calculator-result li > a:hover { background: #14594e; }
.double11-landing .result-gift-image { min-height: 150px; padding: 12px; display: grid; place-items: center; background: var(--paper); }
.double11-landing .result-gift-image img { width: 100%; height: 126px; object-fit: contain; mix-blend-mode: multiply; }
.double11-landing .result-gift-details { padding: 20px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 14px; }
.double11-landing .result-gift-name { font-size: 16px; line-height: 1.65; font-weight: 700; }
.double11-landing .calculator-result li strong { color: var(--gold); font-size: 20px; }
.double11-landing .calculator-result .result-total-value { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin: 18px 0 24px; padding: 16px 20px; border: 1px solid #a99151; background: rgba(216,180,103,.1); border-radius: 6px; color: #fff1be; }
.double11-landing .result-total-value span { font-size: 14px; }
.double11-landing .result-total-value strong { color: #ff914d; font-size: 32px; font-weight: 900; }
.double11-landing .result-gift-value { color: #e7d6ac; font-size: 13px; line-height: 1.6; }
.double11-landing .value-basis { margin: 20px 0 0; color: #c5d7d1; font-size: 12px; line-height: 1.7; }

.double11-landing .products-section { padding: 130px clamp(24px, 7vw, 120px); }
.double11-landing .section-heading.compact { position: static; text-align: center; }
.double11-landing .section-heading.compact .section-kicker { justify-content: center; }
.double11-landing .section-heading.compact p:last-child { margin-inline: auto; }
.double11-landing .product-grid { margin-top: 60px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.double11-landing .product-card { min-height: 470px; padding: 24px; display: flex; flex-direction: column; text-decoration: none; background: rgba(255,255,255,.42); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; transition: background .3s; }
.double11-landing .product-card:hover { background: var(--paper); }
.double11-landing .product-card > div { height: 240px; display: grid; place-items: center; }
.double11-landing .product-card img { width: 90%; max-height: 210px; object-fit: contain; mix-blend-mode: multiply; transition: transform .35s; }
.double11-landing .product-card:hover img { transform: scale(1.06) rotate(-2deg); }
.double11-landing .product-index { font: 800 12px Arial; color: var(--red); }
.double11-landing .product-card h3 { margin: auto 0 0; font-size: 20px; line-height: 1.45; }
.double11-landing .product-price { margin: 18px 44px 0 0; }
.double11-landing .product-price small { display: block; margin-bottom: 4px; color: #526863; font-size: 12px; }
.double11-landing .product-price strong { color: var(--red); font-size: clamp(22px, 2vw, 28px); font-weight: 900; letter-spacing: -.03em; }
.double11-landing .product-arrow { position: absolute; right: 24px; bottom: 24px; width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; }

.double11-landing .closing-banner { min-height: 620px; padding: 100px clamp(24px, 8vw, 140px); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; background: var(--red); color: #fff; position: relative; overflow: hidden; }
.double11-landing .closing-banner > *:not(.closing-eleven) { position: relative; z-index: 1; }
.double11-landing .closing-banner > p { color: #ffd9a0; letter-spacing: .22em; font-size: 12px; font-weight: 900; }
.double11-landing .closing-banner h2 { margin: 14px 0 38px; max-width: 900px; font-size: clamp(48px, 7.2vw, 108px); line-height: .98; letter-spacing: -.06em; }
.double11-landing .button-light { background: #fff; color: var(--red); }
.double11-landing .closing-eleven { position: absolute; right: -3vw; bottom: -8vw; font: 900 48vw/1 Arial; color: rgba(255,255,255,.09); letter-spacing: -.12em; }

.double11-landing footer { min-height: 120px; padding: 24px clamp(24px, 7vw, 120px); display: flex; align-items: center; gap: 28px; background: var(--green); color: #fff; border-top: 1px solid rgba(255,255,255,.13); }
.double11-landing footer img { width: 110px; }
.double11-landing footer p { color: rgba(255,255,255,.58); font-size: 13px; }
.double11-landing footer a { margin-left: auto; text-decoration: none; font-weight: 900; font-size: 12px; }

.double11-landing .reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.double11-landing .reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  .double11-landing .hero { grid-template-columns: 1fr; padding-bottom: 100px; }
  .double11-landing .hero-copy { max-width: 680px; }
  .double11-landing .hero-visual { width: min(720px, 100%); margin: 0 auto; }
  .double11-landing .hero-stats { position: static; grid-column: 1 / -1; }
  .double11-landing .rewards-section { grid-template-columns: 1fr; }
  .double11-landing .section-heading { position: static; }
  .double11-landing .tier-card { grid-template-columns: 52px 150px 180px 1fr; }
  .double11-landing .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .double11-landing .preview-bar { font-size: 9px; }
  .double11-landing .site-header { height: 64px; padding-inline: 18px; }
  .double11-landing .brand img { width: 104px; }
  .double11-landing .site-header nav > a:not(.nav-cta) { display: none; }
  .double11-landing .nav-cta { padding: 8px 14px; font-size: 12px !important; }
  .double11-landing .hero { min-height: auto; padding: 72px 20px 50px; gap: 24px; }
  .double11-landing .hero h1 { font-size: 62px; }
  .double11-landing .hero-intro { font-size: 16px; }
  .double11-landing .event-period { flex-direction: column; align-items: flex-start; gap: 6px; padding: 14px 18px; }
  .double11-landing .event-period strong { font-size: 25px; }
  .double11-landing .hero-actions { flex-direction: column; align-items: flex-start; gap: 18px; }
  .double11-landing .hero-visual { min-height: 420px; }
  .double11-landing .hero-seal { width: 96px; height: 96px; left: 39%; }
  .double11-landing .hero-seal strong { font-size: 34px; }
  .double11-landing .hero-stats { flex-wrap: wrap; gap: 18px 28px; margin-top: 20px; }
  .double11-landing .hero-stats strong { font-size: 22px; }
  .double11-landing .rewards-section { padding: 80px 16px; }
  .double11-landing .section-heading h2 { font-size: 46px; }
  .double11-landing .tier-card { min-height: 0; grid-template-columns: 42px 1fr; padding: 20px 16px; gap: 12px; }
  .double11-landing .tier-number { grid-row: 1 / 3; }
  .double11-landing .threshold { grid-column: 2; }
  .double11-landing .gift-visual { grid-column: 1 / -1; height: 180px; }
  .double11-landing .gift-copy { grid-column: 1 / -1; }
  .double11-landing .stacking-section { margin: 0 12px; padding: 56px 20px; }
  .double11-landing .stacking-copy { display: block; margin-bottom: 42px; }
  .double11-landing .stacking-copy h2 { margin-top: 24px; font-size: 64px; }
  .double11-landing .stacking-example { grid-template-columns: 1fr; }
  .double11-landing .stack-arrow { transform: rotate(90deg); text-align: center; }
  .double11-landing .stack-examples { grid-template-columns: 1fr; }
  .double11-landing .calculator-section { padding: 36px 16px; scroll-margin-top: 64px; }
  .double11-landing .calculator-input { flex-direction: column; }
  .double11-landing .calculator-result ul { grid-template-columns: 1fr; }
  .double11-landing .result-gift-details { padding: 16px; }
  .double11-landing .products-section { padding: 90px 16px; }
  .double11-landing .product-grid { grid-template-columns: 1fr; }
  .double11-landing .product-card { min-height: 380px; }
  .double11-landing .closing-banner { min-height: 520px; padding-inline: 24px; }
  .double11-landing .closing-banner h2 { font-size: 52px; }
  .double11-landing footer { flex-wrap: wrap; gap: 12px 20px; }
  .double11-landing footer p { width: 100%; order: 3; }
}

@media (prefers-reduced-motion: reduce) {
  .double11-landing *, .double11-landing *::before, .double11-landing *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .double11-landing .reveal { opacity: 1; transform: none; }
}

.double11-landing .hero-visual:has(.orbit-four) {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: center;
  gap: 12px;
}
.double11-landing .hero-visual:has(.orbit-four) .product-orbit {
  position: relative;
  inset: auto;
  width: auto;
  height: clamp(82px, 11vw, 145px);
  transform: none;
}
.double11-landing .hero-visual:has(.orbit-four) .product-orbit img { width: 100%; height: 100%; object-fit: contain; }
.double11-landing .hero-visual:has(.orbit-four) .hero-seal { display: none; }


.double11-landing {
  --campaign-header-space: 80px;
  padding-top: var(--campaign-header-space);
}

@media (min-width: 1000px) {
  .double11-landing .campaign-first-screen {
    display: grid;
    grid-template-rows: 1fr auto;
    min-height: calc(100vh - var(--campaign-header-space));
    min-height: calc(100svh - var(--campaign-header-space));
  }

  .double11-landing .hero {
    min-height: 0;
    padding: clamp(16px, 3.2svh, 44px) clamp(28px, 5vw, 110px);
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: 1fr auto;
    column-gap: clamp(24px, 4vw, 72px);
    row-gap: clamp(12px, 2.2svh, 24px);
  }

  .double11-landing .hero .eyebrow { margin: 0 0 10px; }
  .double11-landing .hero .event-period { margin: 0; padding: 8px 14px; gap: 10px; }
  .double11-landing .hero .event-period span { font-size: 12px; }
  .double11-landing .hero .event-period strong { font-size: clamp(20px, 3.1svh, 30px); }
  .double11-landing .hero h1 {
    margin: clamp(14px, 2.2svh, 24px) 0;
    font-size: clamp(48px, min(6vw, 10.5svh), 112px);
    line-height: .96;
  }
  .double11-landing .hero h1 span { margin-bottom: 10px; }
  .double11-landing .hero-intro { max-width: 60ch; font-size: clamp(15px, 2.1svh, 19px); line-height: 1.65; }
  .double11-landing .hero .activity-exclusion { margin: 12px 0 0; padding: 8px 12px; font-size: 13px; line-height: 1.5; }
  .double11-landing .hero-actions { margin-top: clamp(12px, 2.4svh, 24px); }
  .double11-landing .hero-actions .button { min-height: 42px; padding-inline: 18px; }
  .double11-landing .hero-visual { width: 100%; min-height: 0; }
  .double11-landing .hero-visual:has(.orbit-four) .product-orbit { height: clamp(90px, 18svh, 168px); animation: none; }
  .double11-landing .hero-stats { position: static; grid-column: 1 / -1; gap: clamp(18px, 3vw, 44px); }
  .double11-landing .hero-stats strong { font-size: clamp(20px, 3svh, 28px); }
  .double11-landing .ticker-track { padding-block: 8px; font-size: 14px; line-height: 20px; }
}

@media (min-width: 1000px) and (max-height: 700px) {
  .double11-landing .hero { padding-block: 14px; }
  .double11-landing .hero h1 { font-size: clamp(44px, 9svh, 64px); margin-block: 10px; }
  .double11-landing .hero h1 span { margin-bottom: 6px; }
  .double11-landing .hero-intro { line-height: 1.55; }
}

@media (min-width: 1000px) and (max-height: 560px) {
  .double11-landing .hero { padding-block: 10px; row-gap: 8px; }
  .double11-landing .hero h1 { font-size: clamp(36px, 7.5svh, 42px); }
  .double11-landing .hero h1 br { display: none; }
  .double11-landing .hero .event-period { padding-block: 6px; }
  .double11-landing .hero-intro { font-size: 14px; }
  .double11-landing .hero-actions .button { min-height: 38px; }
  .double11-landing .ticker-track { padding-block: 6px; }
}