:root { color-scheme: dark; scroll-behavior: smooth; font-family: "Inter", "Noto Sans SC", "Microsoft YaHei", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; background: #0c1424; color: #f4f8ff; font-size: 16px; }
button,input { font: inherit; }
button { cursor: pointer; }
a { text-decoration: none; color: inherit; }
.shell { width: min(1190px, calc(100% - 48px)); margin-inline: auto; }
.announcement { display: flex; justify-content: center; align-items: center; gap: 9px; min-height: 35px; padding: 6px 14px; background: #182642; border-bottom: 1px solid #29405e; color: #d9e8f4; font-size: .78rem; text-align: center; }
.status-dot { background: #87ead1; width: 7px; height: 7px; border-radius: 50%; box-shadow: 0 0 10px #87ead1; flex: none; }
.header { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; letter-spacing: -.04em; white-space: nowrap; }
.brand small { display: block; color: #7894ad; font-size: .58rem; letter-spacing: .15em; margin-top: 1px; }
.brand-icon { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 9px; color: #123547; background: #a6f3df; }
.header nav { display: flex; gap: 34px; color: #becde0; font-size: .88rem; font-weight: 650; }
.header nav a:hover, .footer a:hover { color: #a6f3df; }
.header-link { display: flex; align-items: center; gap: 8px; padding: 10px 16px; border: 1px solid #445772; border-radius: 8px; font-size: .83rem; font-weight: 700; }
.header-link:hover { border-color: #a6f3df; }
.hero { min-height: 438px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: center; padding: 18px 0 54px; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow,.section-number { display: block; color: #81e4d0; font-size: .75rem; font-weight: 800; letter-spacing: .13em; }
h1,h2,h3,p { margin-top: 0; }
h1 { font-size: clamp(3rem,5.5vw,5rem); letter-spacing: -.065em; line-height: 1.12; margin: 20px 0; }
h1 em { font-style: normal; color: #9ff0de; }
.hero-copy > p { max-width: 530px; color: #b0c0d2; line-height: 1.8; font-size: .97rem; }
.primary-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 36px; margin-top: 14px; padding: 14px 15px 14px 23px; background: #a5f2df; color: #173346; border-radius: 9px; font-weight: 800; box-shadow: 0 12px 38px #49d5bd30; }
.primary-button:hover { background: #c8fff1; }
.hero-note { color: #8399b0; display: flex; align-items: center; gap: 8px; margin-top: 27px; font-size: .78rem; }
.hero-graphic { height: 340px; position: relative; display: grid; place-items: center; overflow: hidden; isolation: isolate; }
.hero-graphic::before { content: ""; position: absolute; width: 275px; height: 275px; border-radius: 50%; background: #66c9bf; filter: blur(85px); opacity: .48; }
.orb { position: absolute; border-radius: 50%; }
.orb-a { width: 240px; height: 240px; background: radial-gradient(circle at 35% 35%,#c8fff2,#62bbbd 40%,#1b6686 75%); box-shadow: inset -23px -23px 40px #12416e,0 20px 55px #4dc9b54b; }
.orb-b { width: 165px; height: 165px; right: 30px; top: 27px; z-index: -1; background: radial-gradient(circle,#9c9adc,#433c75); filter: blur(3px); opacity: .55; }
.graphic-ring { position: absolute; width: 430px; height: 230px; border: 1px solid #b9f9e3ad; border-radius: 50%; transform: rotate(-28deg); }
.graphic-word { position: absolute; left: 10px; bottom: 35px; line-height: .85; font-weight: 900; letter-spacing: -.07em; font-size: clamp(3.5rem,6vw,6rem); color: #edfaff; text-shadow: 0 8px 30px #082e3f90; }
.graphic-word span { display: block; margin-left: 69px; color: #9ee8db; }
.graphic-cross { position: absolute; right: 30px; bottom: 10px; font-size: 2rem; color: #aaf2e0; }
.catalog { background: #f5f8fc; color: #172940; padding: 72px 0 80px; }
.catalog .section-number,.steps .section-number,.faq .section-number { color: #138f86; }
.section-heading { display: flex; align-items: end; justify-content: space-between; margin: 12px 0 27px; gap: 15px; }
h2 { font-size: clamp(1.9rem,3vw,2.55rem); letter-spacing: -.05em; margin-bottom: 9px; }
.section-heading p,.faq-layout > div > p { color: #6e8196; font-size: .88rem; line-height: 1.7; margin-bottom: 0; }
.muted-count { color: #8393a8; font-size: .8rem; white-space: nowrap; }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 22px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter { border: 1px solid #dbe3ed; background: #fff; color: #607087; border-radius: 8px; padding: 9px 14px; font-size: .81rem; font-weight: 700; }
.filter.active { color: white; background: #183047; border-color: #183047; }
.search { display: flex; align-items: center; gap: 7px; width: 205px; background: white; color: #8193a8; border: 1px solid #dbe3ed; border-radius: 8px; padding: 9px 11px; }
.search input { outline: 0; border: 0; background: transparent; width: 100%; color: #183047; font-size: .82rem; }
.product-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.product-card { border: 1px solid #dfe6ee; background: #fff; border-radius: 13px; overflow: hidden; box-shadow: 0 12px 30px #213a620a; }
.product-image { height: 165px; display: grid; place-items: center; color: #fff; position: relative; overflow: hidden; }
.image-code { background: linear-gradient(135deg,#11455b,#16897f); }
.image-content { background: linear-gradient(135deg,#283e6a,#5e65aa); }
.image-service { background: linear-gradient(135deg,#513d70,#a96493); }
.image-outline { position: absolute; width: 230px; height: 230px; border: 1px solid #ffffff55; border-radius: 50%; transform: scaleY(.55) rotate(-27deg); }
.product-image svg { position: relative; z-index: 1; }
.product-symbol { position: relative; z-index: 1; font-size: 4rem; font-weight: 200; line-height: 1; }
.product-card[hidden], .empty[hidden] { display: none; }
.product-bottom .price { color: #142d40; font-size: 1.35rem; font-weight: 850; letter-spacing: -.04em; }
.product-bottom .listing-status { color: #7892a2; font-weight: 700; }
.filters { max-width: calc(100% - 220px); }
.sample { white-space: nowrap; }
@media (max-width: 680px) { .filters { max-width: 100%; } }
.payment-preview { padding: 76px 0 86px; background: #eef4f8; color: #172940; }
.payment-preview h2 { margin: 14px 0 8px; }
.payment-preview .section-number { color: #138f86; }
.payment-preview .section-intro { color: #657b91; max-width: 690px; line-height: 1.7; }
.payment-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; margin-top: 29px; }
.payment-card { background: #fff; border: 1px solid #dce7ee; border-radius: 15px; padding: 20px; min-width: 0; box-shadow: 0 12px 30px #213a6209; }
.payment-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 15px; }
.payment-card-head h3 { margin: 0 0 2px; font-size: 1.08rem; }
.payment-card-head p { margin: 0; font-size: .8rem; color: #7b8fa0; }
.payment-icon { display: grid; place-items: center; width: 37px; height: 37px; flex: none; border-radius: 9px; color: #fff; font-size: 1.05rem; font-weight: 850; }
.wechat-icon { background: #09bd66; }
.alipay-icon { background: #1478f5; }
.payment-card > a { display: block; border: 1px solid #e3eaf0; border-radius: 11px; background: #f9fbfd; padding: 12px; text-align: center; }
.payment-card img { display: block; max-width: 100%; width: auto; height: min(49vw,360px); object-fit: contain; margin-inline: auto; }
.payment-note { margin: 11px 0 0; text-align: center; font-size: .78rem; color: #8498a9; }
.checkout-dialog { width: min(480px,calc(100% - 28px)); border: 1px solid #d9e7ed; border-radius: 16px; padding: 26px; background: #fff; color: #172940; box-shadow: 0 28px 90px #07132478; }
.checkout-dialog::backdrop { background: #071323ae; }
.checkout-dialog h2 { margin: 12px 0 4px; font-size: 1.7rem; }
.dialog-close { float: right; border: 0; background: transparent; color: #6c8091; font-size: 1.8rem; line-height: 1; }
.checkout-price { margin: 0; color: #0b8c7e; font-size: 1.6rem; font-weight: 850; }
.checkout-tip { margin: 16px 0; color: #63788e; font-size: .85rem; line-height: 1.65; }
.checkout-dialog form > label { display: grid; gap: 8px; font-size: .85rem; font-weight: 750; }
.checkout-dialog form > label > input { width: 100%; border: 1px solid #cbd9e3; border-radius: 8px; padding: 11px; color: #172940; background: #fff; }
.checkout-dialog fieldset { display: flex; gap: 18px; border: 0; padding: 16px 0 0; margin: 0; color: #334b60; }
.checkout-dialog fieldset legend { font-size: .85rem; font-weight: 750; }
.checkout-dialog fieldset label { display: flex; align-items: center; gap: 5px; white-space: nowrap; font-size: .84rem; }
.checkout-submit { margin-top: 22px; width: 100%; border: 0; justify-content: center; }
.form-error { color: #b23b41; font-size: .83rem; margin: 12px 0 0; }
.buy-button { border: 0; border-radius: 7px; padding: 8px 12px; background: #0e887b; color: #fff; font-size: .78rem; font-weight: 800; }
.buy-button:hover { background: #056d64; }
.buy-button:disabled { background: #edf2f5; color: #8190a0; cursor: default; }
@media (max-width: 680px) { .payment-preview { padding-block: 62px; } .payment-grid { grid-template-columns: 1fr; } .payment-card img { height: 350px; max-height: 60vh; } }
.order-main,.admin-main { padding-top: 55px; padding-bottom: 90px; min-height: 75vh; }
.order-main h1,.admin-main h1 { font-size: clamp(2.3rem,4vw,3.4rem); margin: 12px 0 9px; }
.order-intro { max-width: 730px; color: #9bb0c5; line-height: 1.7; }
.order-panel,.admin-card { margin-top: 27px; background: #f8fbfd; border: 1px solid #d9e5ec; border-radius: 16px; padding: 26px; color: #162b42; }
.order-panel > p { color: #60758b; }
.order-summary { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.order-summary > div { display: grid; gap: 4px; }
.order-summary small { color: #71889a; }
.order-summary strong { overflow-wrap: anywhere; }
.order-divider { height: 1px; background: #dae6eb; margin: 24px 0; }
.order-panel h2 { font-size: 1.45rem; }
.order-panel p { color: #62788e; line-height: 1.7; }
.order-qr { display: block; max-width: min(100%,440px); max-height: 520px; object-fit: contain; margin: 22px auto; border-radius: 10px; }
.support-line { font-size: 1rem; }
.support-line strong { color: #0b8177; }
.order-panel .order-small { font-size: .8rem; color: #8b6972; }
.delivered-code { border: 1px solid #b3d8d2; background: #e7f9f4; border-radius: 10px; padding: 17px; margin: 20px 0; font-weight: 800; color: #123b38; overflow-wrap: anywhere; }
.admin-main { max-width: 1000px; }
.admin-card h2 { font-size: 1.45rem; margin: 0 0 20px; }
.inventory-list { max-height: 280px; overflow: auto; }
.inventory-list > div { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid #e2ebf0; padding: 10px 0; font-size: .85rem; }
.inventory-list strong { white-space: nowrap; color: #0b8177; }
.admin-card form { display: grid; gap: 17px; }
.admin-card form label { display: grid; gap: 7px; font-size: .85rem; font-weight: 750; }
.admin-card select,.admin-card textarea { width: 100%; padding: 11px; border: 1px solid #c9d9e2; border-radius: 8px; background: #fff; color: #172940; }
.admin-card textarea { resize: vertical; }
.admin-card form .primary-button { width: fit-content; border: 0; margin: 0; }
.form-feedback,.admin-empty { color: #657c90; font-size: .84rem; }
.admin-title-row { display: flex; justify-content: space-between; align-items: center; }
.pending-order { border-top: 1px solid #e0e9ef; padding: 15px 0; }
.pending-order > strong { display: block; overflow-wrap: anywhere; }
.pending-order p { margin: 7px 0; color: #5b7184; font-size: .84rem; }
.pending-order small { display: block; color: #8da0b0; margin-bottom: 12px; }
@media (max-width: 680px) { .order-main,.admin-main { padding-top: 40px; padding-bottom: 65px; } .order-panel,.admin-card { padding: 18px; } .order-summary { grid-template-columns: 1fr; gap: 14px; } .order-qr { max-height: 420px; } }
.product-content { padding: 20px; }
.product-labels { display: flex; justify-content: space-between; align-items: center; color: #138f86; font-size: .72rem; font-weight: 800; }
.sample { background: #f0f3f7; padding: 5px 8px; border-radius: 5px; color: #8c99aa; font-weight: 600; }
.product-content h3 { margin: 14px 0 7px; font-size: 1.16rem; }
.product-content p { color: #73849b; font-size: .83rem; line-height: 1.65; min-height: 44px; }
.product-bottom { border-top: 1px solid #e8edf3; display: flex; align-items: center; justify-content: space-between; padding-top: 15px; font-size: .81rem; }
.product-bottom strong { color: #8796a8; font-weight: 600; }
.product-bottom span { display: inline-flex; align-items: center; gap: 4px; color: #138f86; font-weight: 800; }
.empty { border: 1px dashed #c5d4e2; border-radius: 12px; padding: 36px; color: #6e8196; text-align: center; }
.steps { padding-top: 75px; padding-bottom: 85px; }
.steps h2 { margin-top: 15px; }
.section-intro { color: #95a9bf; font-size: .87rem; }
.step-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 31px; }
.step-grid > div { padding: 26px; border: 1px solid #2a3e58; background: #15223a; border-radius: 12px; }
.step-grid span { color: #81e4d0; font-weight: 800; font-size: .74rem; }
.step-grid h3 { font-size: 1.17rem; margin: 24px 0 8px; }
.step-grid p { color: #9aacc0; line-height: 1.7; font-size: .83rem; margin: 0; }
.faq { background: #f5f8fc; color: #172940; padding: 75px 0 84px; }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 60px; }
.faq h2 { margin-top: 15px; }
.faq-items { border-top: 1px solid #dce5ec; }
.faq details { border-bottom: 1px solid #dce5ec; }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 21px 0; font-size: .89rem; font-weight: 750; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { font-size: 1.4rem; color: #72869b; font-weight: 300; }
.faq details[open] summary span { transform: rotate(45deg); }
.faq details p { color: #6b7e92; font-size: .83rem; line-height: 1.7; padding-right: 25px; }
.footer { padding: 28px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; font-size: .78rem; color: #899db2; }
.footer .brand { color: #f4f8ff; font-size: 1rem; }
.footer .brand-icon { width: 32px; height: 32px; }
@media (max-width: 850px) { .hero { gap: 15px; } .header nav { gap: 16px; } .product-grid { gap: 10px; } }
@media (max-width: 680px) { .shell { width: min(100% - 32px,1190px); } .header { height: 68px; } .header nav,.header-link { display: none; } .hero { grid-template-columns: 1fr; padding-top: 38px; padding-bottom: 44px; gap: 0; } .hero h1 { font-size: 3rem; } .hero-graphic { height: 220px; margin-top: 13px; } .orb-a { width: 170px; height: 170px; } .orb-b { width: 120px; height: 120px; } .graphic-ring { width: 300px; height: 170px; } .graphic-word { font-size: 3.6rem; bottom: 12px; } .graphic-word span { margin-left: 48px; } .catalog,.faq { padding-block: 60px; } .muted-count { display: none; } .toolbar { align-items: stretch; flex-direction: column-reverse; } .search { width: 100%; } .product-grid,.step-grid,.faq-layout { grid-template-columns: 1fr; } .steps { padding-block: 64px; } .step-grid { gap: 12px; } .step-grid h3 { margin-top: 13px; } .faq-layout { gap: 28px; } .footer-inner { align-items: start; flex-direction: column; } }