* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
    -webkit-touch-callout: inherit;
    -webkit-user-select: auto;
}
html, body {
    width: 100vw;
    height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    background: #0A0A0A;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134-7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134-7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343-3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343-3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343-3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343-3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79-4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79-4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24-5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79-4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24-5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24-5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24-5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895-2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895-2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895-2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895-2 2 2z' fill='%231A1A1A' fill-opacity='0.5' fill-rule='evenodd'/%3E%3C/svg%3E");
    background-size: cover;
    background-attachment: fixed;
    position: relative;
}
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}
body::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, rgba(255,215,0,0.03), rgba(255,215,0,0.08), rgba(255,215,0,0.03));
    background-size: 200% 200%;
    animation: bgFlow 25s linear infinite;
    z-index: 1;
    pointer-events: none;
}
@keyframes bgFlow {
    0% {background-position: 0% 0%;}
    50% {background-position: 100% 100%;}
    100% {background-position: 0% 0%;}
}
.back-btn {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 999999;
    background: #0A0A0A;
    color: #FFD700;
    border: 2px solid #FFD700;
    padding: 8px 11px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    font-weight: 700;
    box-shadow: 0 0 15px rgba(255,215,0,0.1);
    transition: all 0.3s ease;
    pointer-events:auto;
}
.back-btn:hover {
    background: #121212;
    color: #FFE477;
    border-color: #FFE477;
    box-shadow: 0 0 20px rgba(255,215,0,0.2);
}
.page {
    width: 92%;
    max-width: 600px;
    min-height: auto;
    padding: 15px 20px 40px 20px;
    display: none;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    text-align: center;
    z-index: 2;
    position: relative;
    margin: 80px auto 0;
}
.page.active {
    display: flex;
    animation: pageShow 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes pageShow {
    0% {opacity: 0;transform: scale(0.96) translateY(10px);}
    100% {opacity: 1;transform: scale(1) translateY(0);}
}
.top-text {
    font-size: 19px;
    color: #D4AF37;
    margin: 0 0 15px 0;
    font-weight: 600;
    letter-spacing: 1.2px;
    line-height: 2;
}
.main-title {
    font-size: 24px;
    font-weight: 800;
    margin: 0 0 25px 0;
    line-height: 1.8;
    letter-spacing: 1.5px;
    background: linear-gradient(90deg, #FFC107, #FFD700, #FFE477);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 8px rgba(255,215,0,0.2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}
.sub-title {
    font-size: 19px;
    color: #D4AF37;
    margin: 0 0 30px 0;
    font-weight: 600;
    letter-spacing: 1px;
    line-height: 1.8;
}
.btn-group {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-bottom: 25px;
}
.order-btn {
    width: 100%;
    height: 60px;
    font-size: 19px;
    font-weight: 700;
    color: #FFD700;
    background: #0F0F0F;
    border: 2px solid #FFD700;
    border-radius: 12px;
    cursor: pointer;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    transition: all 0.3s ease;
}
.order-btn::before {
    content: '';
    position: absolute;
	top: 0;
	left: -150%;
	width: 50%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(255,215,0,0.6), transparent);
	transform: skewX(-25deg);
	animation: goldSweep 2s ease-in-out infinite;
	z-index: 1;
}
@keyframes goldSweep {
    0% {left: -150%;}
    100% {left: 150%;}
}
.order-btn:hover {
    background: #121212;
    border-color: #FFE477;
    color: #FFE477;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5),0 0 15px rgba(255,215,0,0.15);
}
.disabled-btn {
    background: #151515;
    border-color: #665522;
    color: #887744;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.disabled-btn::before {
    background: linear-gradient(90deg, transparent, rgba(136,119,68,0.2), transparent);
    animation: goldSweep 3s ease-in-out infinite;
}
.disabled-btn:hover {
    background: #151515;
    border-color: #665522;
    color: #887744;
}
.copy-btn {
    width: 100%;
    height: 60px;
    font-size: 19px;
    font-weight: 700;
    color: #FFD700;
    background: #0F0F0F;
    border: 2px solid #FFD700;
	border-radius: 12px;
    margin: 25px 0;
    cursor: pointer;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    transition: all 0.3s ease;
}
.copy-btn::after {
    content: '';
    position: absolute;
	top: 0;
	left: -150%;
	width: 50%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(255,215,0,0.6), transparent);
	transform: skewX(-25deg);
	animation: goldSweep 2.5s ease-in-out infinite;
	z-index: 1;
}
.copy-btn:hover {
    background: #121212;
    border-color: #FFE477;
    color: #FFE477;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.tips-text {
    font-size: 17px;
    color: #C4B898;
    margin-bottom: 20px;
    font-weight: 500;
    letter-spacing: 1px;
    line-height: 1.8;
}
.warn-text {
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 1.2px;
    background: linear-gradient(90deg, #FFC107, #FFD700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 6px rgba(255,215,0,0.15);
    line-height: 2;
}
h2 {
    font-size: 22px;
    margin: 0 0 20px 0;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(90deg, #FFC107, #FFD700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 8px rgba(255,215,0,0.15);
    line-height: 1.8;
}
.page-desc {
    font-size: 17px;
    color: #B4A888;
    line-height: 2;
    margin-bottom: 15px;
    max-width: 100%;
    font-weight: 500;
    letter-spacing: 0.8px;
}
.img-box {
    margin-top: 20px;
    margin-bottom: 0;
    padding: 18px;
    background: #121212;
    border-radius: 12px;
    border:1px solid rgba(255,215,0,0.1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    transition: all 0.3s ease;
    position: relative;
}
.img-box:hover {
    border-color: rgba(255,215,0,0.2);
    box-shadow: 0 6px 15px rgba(0,0,0,0.5);
}
.page-img,.kefu-img {
    width: 280px;
    height: auto;
    display: block;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    -webkit-touch-callout: default;
    pointer-events: auto;
    cursor: pointer;
}
.page-img:hover,.kefu-img:hover {
    transform: scale(1.03);
    filter: brightness(1.05);
}
.kefu-img-box {
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
    margin-bottom: 15px;
    padding: 0;
}
.kefu-img {
    width: 140px;
    max-width: 150px;
}
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    padding: 14px 26px;
    background: #0F0F0F;
    color: #FFD700;
    border: 2px solid #FFD700;
	border-radius: 10px;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.8px;
    box-shadow: 0 0 25px rgba(0,0,0,0.5),0 0 10px rgba(255,215,0,0.1);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999999;
}
.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}
@media (max-width: 375px) {
    .top-text {font-size:17px;letter-spacing:1px;}
    .main-title {font-size:20px;letter-spacing:1px;margin:0 0 20px 0;}
    .sub-title {font-size:17px;margin:0 0 25px 0;}
    .order-btn {height:54px;font-size:18px;border-radius:10px;}
    .copy-btn {height:54px;font-size:18px;margin:20px 0;}
    .page-img {width:240px;}
    .kefu-img {width:120px;}
    .page {padding:10px 15px 35px 15px;width:95%;margin:70px auto 0;}
    .tips-text {font-size:15px;}
    .warn-text {font-size:14px;}
    .toast {font-size:15px;padding:12px 22px;}
}