:root { --navy:#061426; --navy-2:#0b2342; --paper:#f4f7fc; --red:#f4474d; --red-dark:#c72737; --gold:#ffbb42; --ink:#112b4a; --muted:#62758d; --line:#dce4ef; --font:"Manrope","Noto Sans SC",Arial,sans-serif; }
* { box-sizing:border-box; } html { scroll-behavior:smooth; } body { margin:0; color:var(--ink); background:var(--paper); font-family:var(--font); } a { color:inherit; text-decoration:none; } .skip-link { position:fixed; z-index:100; left:16px; top:12px; padding:10px 14px; color:#fff; background:#000; transform:translateY(-160%); } .skip-link:focus { transform:translateY(0); }
.site-header { position:sticky; top:0; z-index:20; height:80px; display:flex;justify-content: space-between; align-items:center; gap:3vw; padding:0 4vw; color:#fff; background:rgba(4,15,27,.94); border-bottom:1px solid rgba(255,255,255,.12); backdrop-filter:blur(18px); } .brand img { display:block; width:150px; max-height:46px; object-fit:contain; object-position:left center; } .desktop-nav { flex:1; display:flex; justify-content:center; gap:3vw; font-size:14px; font-weight:700; } .desktop-nav a { position:relative; padding:30px 0; } .desktop-nav a::after { content:""; position:absolute; left:0; right:100%; bottom:17px; height:2px; background:var(--red); transition:right .25s ease; } .desktop-nav a:hover::after,.desktop-nav .active::after { right:0; } .header-actions { display:flex; gap:13px; align-items:center; font-size:12px; } .header-register,.header-login { display:inline-grid; place-items:center; min-width:60px; height:38px; border-radius:999px; font-weight:800; } .header-register { background:var(--red); box-shadow:0 8px 22px rgba(244,71,77,.25); } .header-login { border:1px solid rgba(255,255,255,.5); }
.campaign-hero { position:relative; isolation:isolate; min-height:680px; overflow:hidden; color:#fff; background:#03090f; } .campaign-video { position:absolute; z-index:-3; inset:0; width:100%; height:100%; object-fit:cover; opacity:.34; filter:saturate(.75) contrast(1.1); } .campaign-hero::before { content:""; position:absolute; z-index:-2; inset:0; background:linear-gradient(90deg,#020812 0%,rgba(2,8,18,.95) 35%,rgba(3,12,25,.48) 76%,rgba(0,0,0,.72)),linear-gradient(0deg,rgba(2,7,15,.8),transparent 62%); } .hero-grid { position:absolute; inset:0; z-index:-1; opacity:.22; background:linear-gradient(rgba(145,184,230,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(145,184,230,.15) 1px,transparent 1px); background-size:88px 88px; mask-image:linear-gradient(90deg,#000 0 60%,transparent); } .hero-orb { position:absolute; border-radius:50%; filter:blur(2px); } .orb-one { width:450px; height:450px; right:8%; top:16%; background:radial-gradient(circle,rgba(238,63,64,.3),transparent 68%); } .orb-two { width:340px; height:340px; right:24%; bottom:-220px; background:radial-gradient(circle,rgba(255,187,66,.24),transparent 70%); } .hero-inner { width:min(1180px,90vw); min-height:680px; margin:auto; display:grid; grid-template-columns:1.15fr .85fr; align-items:center; gap:60px; padding:120px 0 70px; } .eyebrow,.section-heading>p,.final-cta>p { margin:0 0 17px; color:#8ec6ff; font-size:11px; font-weight:800; letter-spacing:2px; } .hero-copy h1 { margin:0; max-width:710px; font-size:clamp(48px,5.1vw,78px); line-height:1.04; letter-spacing:-3px; } .hero-copy h1 span { color:var(--gold); } .hero-sub { display:flex; align-items:center; gap:12px; margin:27px 0 18px; color:#c9d6e8; font-size:17px; font-weight:700; } .hero-sub i { width:4px; height:4px; border-radius:50%; background:var(--red); } .reward-badge { width:max-content; max-width:100%; margin:0 5px; padding:10px 15px; border:1px solid rgba(255,187,66,.43); border-radius:10px; color:#fff0c9; background:rgba(255,187,66,.09); font-size:14px; } .reward-badge b { color:var(--gold); font-size:17px; } .hero-actions,.inline-actions,.final-cta>div { display:flex; flex-wrap:wrap; gap:12px; } .button { min-height:51px; display:inline-flex; align-items:center; justify-content:center; gap:18px; padding:0 24px; border-radius:999px; font-size:14px; font-weight:800; transition:transform .2s ease,box-shadow .2s ease; } .button:hover { transform:translateY(-2px); } .primary { color:#fff; background:var(--red); box-shadow:0 12px 25px rgba(244,71,77,.25); } .secondary { color:#fff; border:1px solid rgba(255,255,255,.55); background:rgba(255,255,255,.06); } .secondary.dark { color:var(--ink); border-color:#9aabc0; background:#fff; } .risk-note { margin:17px 0 0; color:#9eafc3; font-size:11px; } .reward-card { position:relative; width:min(430px,100%); aspect-ratio:1.12; justify-self:end; overflow:hidden; padding:36px; display:flex; flex-direction:column; justify-content:center; align-items:center; border:1px solid rgba(255,204,103,.55); border-radius:30px; background:linear-gradient(135deg,rgba(255,255,255,.17),rgba(255,255,255,.04)); box-shadow:inset 0 1px rgba(255,255,255,.25),0 28px 55px rgba(0,0,0,.28); backdrop-filter:blur(14px); } .reward-card::before { content:""; position:absolute; inset:-40%; background:linear-gradient(120deg,transparent 40%,rgba(255,255,255,.25),transparent 60%); transform:rotate(-10deg); } .reward-card>* { position:relative; } .card-mini { color:#ffdea2; font-size:11px; letter-spacing:2px; } .reward-card strong { margin:8px 0 -5px; color:var(--gold); font-size:clamp(82px,10vw,136px); line-height:1; letter-spacing:-8px; text-shadow:0 8px 18px rgba(125,63,0,.6); } .reward-card strong em { font-size:.44em; font-style:normal; } .reward-card>b { color:#fff4dc; font-size:17px; } .card-coin { position:absolute; bottom:18px; display:grid; width:58px; height:58px; place-items:center; border:4px solid #e79719; border-radius:50%; color:#82510a; background:radial-gradient(circle at 30% 25%,#fff0a1,#eaa327 65%); font-size:28px; font-weight:800; box-shadow:0 8px 16px rgba(0,0,0,.3); } .c1 { left:34px; }.c2 { left:70px; bottom:12px; }.c3 { left:106px; bottom:5px; }
.section { padding:112px max(5vw,28px); } .section-heading h2 { margin:0; font-size:clamp(34px,4.3vw,58px); line-height:1.08; letter-spacing:-2px; } .section-heading h2 span { color:var(--red); } .section-heading>span { color:var(--muted); font-size:16px; line-height:1.8; } .centered { max-width:760px; margin:0 auto 60px; text-align:center; } .centered>p { color:var(--red); } .centered>span { display:block; margin-top:18px; } .steps { background:linear-gradient(135deg,#f7faff,#ecf2fb); } .step-list { width:min(1060px,100%); margin:0 auto 34px; padding:0; display:grid; grid-template-columns:repeat(3,1fr); list-style:none; border:1px solid var(--line); border-radius:18px; overflow:hidden; background:#fff; } .step-list li { min-height:210px; padding:32px; border-right:1px solid var(--line); } .step-list li:last-child { border:0; } .step-list span { display:inline-grid; place-items:center; width:39px; height:39px; margin-bottom:42px; border-radius:50%; color:var(--red); background:#fff1f1; font-size:12px; font-weight:800; } .step-list h3 { margin:0 0 8px; font-size:21px; } .step-list p { margin:0; color:var(--muted); line-height:1.75; } .inline-actions { justify-content:center; }.text-button { color:var(--red-dark); font-size:14px; font-weight:800; }.text-button b { margin-left:8px; }
.strength { background:#fff; }.split-heading { width:min(1180px,100%); margin:0 auto 55px; display:grid; grid-template-columns:1fr .67fr; gap:72px; align-items:end; }.split-heading>span { padding-bottom:5px; }.strength-grid { width:min(1180px,100%); margin:auto; display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }.strength-grid article { min-height:340px; padding:28px; display:flex; flex-direction:column; border:1px solid #e3e8f0; border-radius:14px; background:linear-gradient(180deg,#fff,#f6f9fd); transition:transform .25s ease,box-shadow .25s ease; }.strength-grid article:hover { transform:translateY(-5px); box-shadow:0 22px 35px rgba(17,43,74,.1); }.icon { width:52px; height:52px; margin-bottom:32px; display:grid; place-items:center; border:1px solid rgba(244,71,77,.28); border-radius:14px; color:var(--red); background:#fff4f4; font-size:30px; font-weight:800; }.card-label { margin:0 0 10px; color:#8b9ab0; font-size:10px; font-weight:800; letter-spacing:1.25px; }.strength-grid h3 { margin:0 0 6px; font-size:24px; }.strength-grid b { margin-bottom:14px; color:var(--red-dark); font-size:14px; }.strength-grid article>span { color:var(--muted); font-size:14px; line-height:1.8; }
.ib-section { position:relative; overflow:hidden; padding:116px max(5vw,28px); color:#fff; background:linear-gradient(110deg,#06182e,#0c1933 58%,#281124); }.ib-section::after { content:""; position:absolute; inset:auto -15vw -20vw auto; width:60vw; height:60vw; border:1px solid rgba(114,179,242,.16); border-radius:50%; }.ib-light { position:absolute; inset:0; opacity:.65; background:radial-gradient(circle at 78% 34%,rgba(244,71,77,.25),transparent 24%),radial-gradient(circle at 14% 110%,rgba(24,104,192,.35),transparent 37%); }.ib-inner { position:relative; z-index:1; width:min(1180px,100%); margin:auto; display:grid; grid-template-columns:.83fr 1.17fr; gap:80px; align-items:center; }.ib-copy h2 { margin:0 0 8px; font-size:clamp(38px,4.3vw,65px); line-height:1.05; letter-spacing:-2px; }.ib-copy>strong { display:block; margin-bottom:22px; color:#ffb7b9; font-size:22px; }.ib-copy>p { max-width:470px; margin:0 0 30px; color:#c5d0df; line-height:1.9; }.ib-benefits { border-top:1px solid rgba(255,255,255,.19); }.ib-benefits article { display:grid; grid-template-columns:56px 1fr; gap:18px; padding:27px 0; border-bottom:1px solid rgba(255,255,255,.19); }.ib-benefits span { color:var(--red); font-size:12px; font-weight:800; }.ib-benefits h3 { margin:0 0 8px; font-size:21px; }.ib-benefits p { margin:0; color:#b8c6d9; font-size:14px; }
.final-cta { text-align:center; color:#fff; background:radial-gradient(circle at 32% 10%,#173b6c,transparent 35%),linear-gradient(120deg,#061426,#100b19); }.final-cta>p { color:#8ec6ff; }.final-cta h2 { margin:0 0 28px; font-size:clamp(32px,4vw,54px); letter-spacing:-2px; }.final-cta>div { justify-content:center; }.sticky-offer { position:fixed; z-index:15; left:0; right:0; bottom:0; min-height:54px; padding:8px max(4vw,20px); display:flex; justify-content:center; align-items:center; gap:16px; color:#fff; background:rgba(3,14,28,.96); border-top:1px solid rgba(255,255,255,.14); backdrop-filter:blur(18px); font-size:13px; }.sticky-offer b { color:#fff0cb; }.sticky-offer a { padding:7px 14px; border-radius:999px; background:var(--red); font-weight:800; }.sticky-offer i { margin-left:8px; font-style:normal; } footer { padding:50px max(5vw,28px) 100px; color:#8494a8; background:#030b14; font-size:12px; line-height:1.8; } footer>div { width:min(1180px,100%); margin:0 auto 25px; display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid rgba(255,255,255,.11); } footer img { width:118px; margin-bottom:19px; } footer p { width:min(1180px,100%); margin:0 auto; } footer>div p { width:auto; margin-bottom:19px; } footer a { color:#fff; }
@media (max-width:840px) { .site-header { height:68px; padding:0 20px; }.brand img { width:116px; }.desktop-nav,.header-login,.header-actions>span { display:none; }.header-actions { margin-left:auto; }.campaign-hero,.hero-inner { min-height:640px; }.hero-inner { grid-template-columns:1fr; padding:110px 0 90px; }.hero-copy h1 { font-size:48px; }.reward-card { display:none; }.step-list,.strength-grid,.ib-inner,.split-heading { grid-template-columns:1fr; }.step-list li { min-height:auto; padding:24px; border-right:0; border-bottom:1px solid var(--line); }.step-list li:last-child { border-bottom:0; }.step-list span { margin-bottom:18px; }.split-heading { gap:18px; }.strength-grid { gap:12px; }.strength-grid article { min-height:0; }.ib-inner { gap:45px; }.sticky-offer { justify-content:flex-start; font-size:11px; }.sticky-offer b { display:none; } footer>div { align-items:flex-start; flex-direction:column; } }

/* 独立落地页首屏：使用用户提供的币种图，避免额外的装饰卡片遮挡主体。 */
.campaign-visual { position:absolute; z-index:-3; inset:0; width:100%; height:100%; object-fit:cover; object-position:center; filter:contrast(1.02); }
.campaign-hero::before { background:linear-gradient(90deg,rgba(0,3,9,.68) 0%,rgba(0,3,9,.34) 42%,rgba(0,3,9,.06) 70%),linear-gradient(180deg,rgba(0,0,0,.18),transparent 40%,rgba(0,0,0,.12)); }

/* Align the landing page with the LLA Markets navy / black / red identity. */
:root {
  --gold: #f4474d;
  --gold-soft: #ffe4e6;
}

.campaign-hero::before {
  background:
    linear-gradient(90deg, rgba(0, 3, 9, .68) 0%, rgba(0, 3, 9, .34) 42%, rgba(0, 3, 9, .06) 70%),
    linear-gradient(180deg, rgba(0, 0, 0, .18), transparent 40%, rgba(0, 0, 0, .12));
}

.hero-grid,
.hero-orb {
  display: none !important;
}

.hero-copy h1 span,
.reward-badge b,
.reward-card strong {
  color: var(--red);
}

.reward-badge {
  border-color: rgba(244, 71, 77, .45);
  color: #ffe7e9;
  background: rgba(244, 71, 77, .11);
}

.reward-card {
  border-color: rgba(244, 71, 77, .58);
  background: linear-gradient(135deg, rgba(14, 34, 58, .66), rgba(5, 13, 25, .52));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.14), 0 22px 52px rgba(1, 6, 14, .38);
}

.reward-card strong {
  text-shadow: 0 8px 18px rgba(120, 13, 26, .52);
}

.reward-card > b {
  color: #fff;
}

.card-mini,
.sticky-offer b {
  color: #ffb8bc;
}

.card-coin {
  border-color: #c72737;
  color: #fff0f1;
  background: radial-gradient(circle at 30% 25%, #ffb4b8, #d8323b 65%);
  box-shadow: inset 0 2px 4px rgba(255,255,255,.45), 0 10px 20px rgba(94, 7, 18, .44);
}
.campaign-hero .hero-inner { grid-template-columns:minmax(0,620px) 1fr; }
.campaign-hero .reward-card { display:none; }
@media (max-width:840px) { .campaign-visual { object-position:72% center; } }

/* 将奖励与操作入口置于首屏下方，保留首图的视觉焦点。 */
.campaign-hero,
.campaign-hero .hero-inner {
  min-height: 590px;
}

.campaign-hero .hero-inner {
  padding: 104px 0 64px;
}

/* 促销优惠子页面导航 */
.landing-promo-menu {
  position: relative;
  height: 80px;
  align-self: center;
}

.landing-promo-menu > summary {
  position: relative;
  height: 80px;
  display: flex;
  align-items: center;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  list-style: none;
  line-height: 1;
  white-space: nowrap;
}

.landing-promo-menu > summary::marker {
  content: "";
}

.landing-promo-menu > summary::-webkit-details-marker {
  display: none;
}

.landing-promo-menu > summary::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 17px;
  height: 2px;
  background: var(--red);
}

.landing-promo-submenu {
  position: absolute;
  z-index: 30;
  top: calc(100% - 1px);
  left: 50%;
  width: 220px;
  padding: 9px 0;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 0 0 12px 12px;
  background: #071728;
  box-shadow: 0 18px 42px rgba(0, 0, 0, .3);
  transform: translateX(-50%);
}

.landing-promo-submenu a {
  display: block;
  padding: 12px 18px !important;
  color: #dce7f4;
  font-size: 13px;
  font-weight: 600;
}

.landing-promo-submenu a:hover,
.landing-promo-submenu a:focus-visible,
.landing-promo-submenu a.current {
  color: #fff;
  background: #102b46;
  outline: none;
}

.landing-promo-submenu a.current {
  box-shadow: inset 3px 0 0 var(--red);
}

.landing-mobile-nav {
  display: none;
}

.hero-cta-strip {
  position: relative;
  z-index: 1;
  color: #fff;
  background: linear-gradient(90deg, #071321 0%, #0c1d31 56%, #07121f 100%);
  border-top: 1px solid rgba(152, 189, 226, .15);
  border-bottom: 1px solid rgba(152, 189, 226, .11);
}

.hero-cta-strip-inner {
  width: min(1180px, 90vw);
  min-height: 118px;
  margin: 0 auto;
  padding: 23px 0 19px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "badge actions"
    "note actions";
  column-gap: 34px;
  align-items: center;
}

.hero-cta-strip .reward-badge {
  grid-area: badge;
  margin: 0;
}

.hero-cta-strip .hero-actions {
  grid-area: actions;
  justify-self: end;
}

.hero-cta-strip .risk-note {
  grid-area: note;
  margin: 6px 0 0;
}

@media (max-width: 840px) {
  .campaign-hero,
  .campaign-hero .hero-inner {
    min-height: 510px;
  }

  .campaign-hero .hero-inner {
    padding: 96px 0 50px;
  }

  .landing-mobile-nav {
    position: relative;
    display: block;
    margin-left: 8px;
  }

  .landing-mobile-nav > summary {
    min-width: 52px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .45);
    border-radius: 999px;
    cursor: pointer;
    list-style: none;
    color: #fff;
    font-size: 12px;
    font-weight: 800;
  }

  .landing-mobile-nav > summary::-webkit-details-marker {
    display: none;
  }

  .landing-mobile-nav > nav {
    position: fixed;
    z-index: 40;
    top: 68px;
    right: 14px;
    width: min(300px, calc(100vw - 28px));
    max-height: calc(100dvh - 86px);
    overflow-y: auto;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 14px;
    background: #071728;
    box-shadow: 0 22px 54px rgba(0, 0, 0, .36);
  }

  .landing-mobile-nav nav > a,
  .landing-mobile-nav nav details > a,
  .landing-mobile-nav nav details > summary {
    display: block;
    padding: 12px 14px;
    color: #e2ebf5;
    font-size: 14px;
    font-weight: 650;
    list-style: none;
  }

  .landing-mobile-nav nav details > summary {
    cursor: pointer;
    color: #fff;
  }

  .landing-mobile-nav nav details > summary::-webkit-details-marker {
    display: none;
  }

  .landing-mobile-nav nav details > a {
    margin-left: 10px;
    color: #b9c9da;
  }

  .landing-mobile-nav nav a[aria-current="page"] {
    color: #fff;
    background: #102b46;
    border-radius: 9px;
    box-shadow: inset 3px 0 0 var(--red);
  }

  .hero-cta-strip-inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "badge"
      "actions"
      "note";
    gap: 12px;
    padding: 22px 0;
  }

  .hero-cta-strip .hero-actions {
    justify-self: start;
  }

  .hero-cta-strip .risk-note {
    margin: 0;
  }
}

/* 首充活动首屏与 100% 现金返利页共用同一促销版式节奏。 */
.site-header {
  position: fixed;
  inset: 0 0 auto;
}

.campaign-hero,
.campaign-hero .hero-inner {
  min-height: 570px;
}

.campaign-hero .hero-inner {
  width: min(1180px, 90vw);
  padding: 138px 0 68px;
  grid-template-columns: minmax(0, 540px) 1fr;
  gap: 48px;
  align-items: center;
}

.campaign-hero .hero-copy {
  width: min(540px, 100%);
}

.campaign-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  letter-spacing: .18em;
}

.campaign-hero .hero-copy h1 {
  font-size: clamp(42px, 5vw, 70px);
  line-height: 1.08;
  letter-spacing: -.04em;
  text-wrap: balance;
}

.campaign-hero .hero-sub {
  max-width: 520px;
  margin: 23px 0 32px;
  flex-wrap: wrap;
  color: #dbe6f0;
  font-size: 17px;
  line-height: 1.75;
}

.campaign-hero-cta {
  min-width: 152px;
  min-height: 48px;
}

@media (max-width: 900px) {
  .campaign-hero .hero-inner {
    padding: 125px 0 68px;
    grid-template-columns: minmax(0, 72%) 1fr;
    align-items: start;
  }
}

@media (max-width: 840px) {
  .campaign-hero,
  .campaign-hero .hero-inner {
    min-height: 570px;
  }

  .campaign-hero .hero-inner {
    padding: 125px 0 68px;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .campaign-hero .hero-copy {
    width: min(540px, 72%);
  }
}

@media (max-width: 650px) {
  .campaign-hero,
  .campaign-hero .hero-inner {
    min-height: 640px;
  }

  .campaign-hero .hero-inner {
    padding: 132px 0 70px;
  }

  .campaign-hero .hero-copy {
    width: 100%;
  }

  .campaign-hero .hero-copy h1 {
    font-size: 44px;
  }

  .campaign-hero .hero-sub {
    font-size: 15px;
  }

  .campaign-visual {
    object-position: 66% center;
  }
}