:root{--surface:#e0e5ec;--surface-soft:#f0f0f3;--ink:#28313d;--muted:#657080;--accent:#a87322;--accent-strong:#7c5114;--success:#326b57;--light:#fff;--dark:#b8bec7;--line:rgba(93,104,119,.14);--raised:10px 10px 22px var(--dark),-10px -10px 22px var(--light);--raised-sm:5px 5px 11px var(--dark),-5px -5px 11px var(--light);--inset:inset 5px 5px 10px var(--dark),inset -5px -5px 10px var(--light);--radius:24px;--ease:box-shadow .25s ease,color .25s ease,background-color .25s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;overflow-x:hidden;background:var(--surface);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea,select{font:inherit;color:inherit}
.topbar{height:72px;padding:0 max(24px,calc((100vw - 1160px)/2));display:flex;align-items:center;justify-content:space-between;background:var(--surface);box-shadow:0 6px 15px rgba(118,126,139,.25);position:sticky;top:0;z-index:30}.brand,.top-links{display:flex;align-items:center}.brand{gap:13px;font-size:14px;font-weight:700;letter-spacing:.12em}.brand img{height:36px;width:auto}.top-links{gap:22px}.admin-link{color:var(--muted);font-size:14px;font-weight:700;padding:8px 4px;transition:color .2s ease}.admin-link:hover,.admin-link:focus-visible{color:var(--accent-strong)}
.hero{width:min(1160px,calc(100% - 48px));min-height:650px;margin:48px auto 72px;padding:48px 64px;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:40px;background:var(--surface);border-radius:36px;box-shadow:16px 16px 34px var(--dark),-16px -16px 34px var(--light)}.hero-copy{position:relative;z-index:2}.eyebrow{display:block;margin-bottom:14px;color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.2em}.hero h1{margin:0 0 22px;font-size:clamp(52px,6vw,78px);line-height:1.02;letter-spacing:.03em}.hero h1 strong{display:inline-block;margin-top:10px;color:var(--muted);font-size:.7em;font-weight:600;letter-spacing:.08em}.hero-copy p{margin:0 0 34px;color:var(--muted);font-size:19px;letter-spacing:.12em}.hero-product{min-height:520px;display:grid;place-items:center;border-radius:30px;background:var(--surface);box-shadow:var(--inset);overflow:hidden}.hero-product img{width:min(430px,88%);max-height:540px;object-fit:contain;filter:none}
.button,.ghost,.plan{border:0;background:var(--surface);box-shadow:var(--raised-sm);transition:var(--ease);cursor:pointer}.button{display:inline-flex;min-height:50px;align-items:center;justify-content:center;padding:13px 28px;border-radius:16px;font-weight:800;color:var(--accent-strong)}.button:hover,.ghost:hover,.plan:hover{box-shadow:3px 3px 7px var(--dark),-3px -3px 7px var(--light)}.button:active,.ghost:active,.plan:active{box-shadow:var(--inset)}.button:focus-visible,.ghost:focus-visible,.plan:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid rgba(168,115,34,.4);outline-offset:3px}.gold{background:var(--surface);color:var(--accent-strong)}.full{width:100%}
.section{width:min(1160px,100%);margin:auto;padding:76px 24px}.section h2,.scene h2{margin:0 0 18px;font-size:clamp(30px,4vw,42px);line-height:1.2}.section p{margin:0;line-height:1.85}.intro{max-width:780px;text-align:center}.muted{color:var(--muted)}.features{width:min(1112px,calc(100% - 48px));margin:0 auto 84px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.features article{min-height:230px;padding:36px 30px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--raised)}.features b{color:var(--accent);font-size:25px}.features h3{margin:19px 0 10px;font-size:21px}.features p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}
.scene{width:min(1112px,calc(100% - 48px));margin:0 auto 40px;padding:24px;display:grid;grid-template-columns:1.18fr .82fr;align-items:center;gap:36px;border-radius:32px;background:var(--surface);box-shadow:var(--raised)}.scene img{width:100%;height:520px;object-fit:cover;border-radius:22px}.scene div{padding:40px 42px 40px 18px}.scene p{color:var(--muted);line-height:1.9}
.buy{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:start}.buy>div{padding-top:28px}.order-card{padding:34px;border-radius:30px;background:var(--surface);box-shadow:14px 14px 30px var(--dark),-14px -14px 30px var(--light)}label{display:block;margin:20px 0 8px;font-size:14px;font-weight:800}input,textarea,select{width:100%;min-height:50px;margin-top:8px;padding:13px 16px;border:0;border-radius:14px;background:var(--surface);box-shadow:var(--inset);outline:0}textarea{min-height:92px;resize:vertical}.plans{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:14px;border-radius:18px;box-shadow:var(--inset)}.plan{min-height:78px;padding:15px 16px;border-radius:14px;text-align:left}.plan.active{color:var(--accent-strong);box-shadow:var(--inset)}.plan strong,.plan small{display:block}.plan small{margin-top:4px;color:var(--muted)}.price-row{display:flex;align-items:center;justify-content:space-between;margin:24px 0 4px;padding:19px 4px}.price-row strong{color:var(--accent-strong);font-size:34px}.agree{display:flex;gap:10px;align-items:center;color:var(--muted);font-weight:500}.agree input{width:22px;min-height:22px;margin:0;box-shadow:none;accent-color:var(--accent)}.form-note{margin:13px 0 0!important;text-align:center;color:var(--muted);font-size:13px}.store-banner{width:min(900px,calc(100% - 40px));margin:24px auto 0;padding:12px 20px;border-radius:16px;color:var(--accent-strong);text-align:center;box-shadow:var(--inset)}.hidden{display:none!important}
footer{margin-top:70px;padding:58px 20px calc(58px + env(safe-area-inset-bottom));background:var(--surface);color:var(--muted);text-align:center;box-shadow:0 -6px 18px rgba(118,126,139,.2)}footer img{height:46px;margin:0 auto 18px}footer p{font-size:14px}footer nav{display:flex;justify-content:center;flex-wrap:wrap;gap:22px;margin:25px 0;font-size:14px}footer a:hover{color:var(--accent-strong)}footer small{font-size:12px}.toast{position:fixed;left:50%;bottom:30px;z-index:60;max-width:calc(100% - 32px);padding:14px 22px;border-radius:16px;background:var(--surface);box-shadow:var(--raised);color:var(--ink);opacity:0;pointer-events:none;transform:translateX(-50%);transition:opacity .2s ease}.toast.show{opacity:1}.mobile-buy{display:none}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--surface)}.login-card{width:min(430px,100%);padding:38px;border-radius:28px;background:var(--surface);box-shadow:var(--raised)}.login-card img{height:52px;margin-bottom:34px}.login-card h1{margin:0 0 8px}.login-card p{color:var(--muted);font-size:14px}.admin-shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.side{height:100vh;padding:30px 20px;position:sticky;top:0;background:var(--surface);box-shadow:8px 0 18px rgba(118,126,139,.22)}.side img{width:150px;margin-bottom:40px}.side nav button{display:block;width:100%;min-height:46px;margin:8px 0;padding:12px;border:0;border-radius:14px;background:var(--surface);color:var(--muted);text-align:left;cursor:pointer}.side nav button:hover{box-shadow:var(--raised-sm)}.side nav button.active,.side nav button:active{color:var(--accent-strong);box-shadow:var(--inset)}.admin-main{padding:40px;overflow:hidden}.admin-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.admin-head h1{font-size:28px}.ghost{min-height:42px;padding:9px 15px;border-radius:13px;color:var(--ink)}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:32px}.metric,.panel{background:var(--surface);box-shadow:var(--raised);border-radius:20px}.metric{padding:23px}.metric span{color:var(--muted);font-size:13px}.metric strong{display:block;margin-top:10px;font-size:27px}.panel{padding:24px;margin-bottom:28px}.panel-head{display:flex;align-items:center;justify-content:space-between}.table-wrap{width:100%;overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:14px 11px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{color:var(--muted);font-size:12px}.badge{display:inline-block;padding:5px 10px;border-radius:20px;color:var(--success);box-shadow:var(--inset);font-size:12px}.modal{position:fixed;inset:0;z-index:70;display:grid;place-items:center;padding:20px;background:rgba(40,49,61,.36)}.modal-card{width:min(570px,100%);max-height:90vh;overflow:auto;padding:30px;border-radius:25px;background:var(--surface);box-shadow:var(--raised)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.qr-preview{text-align:center}.qr-preview img{max-width:300px;margin:auto;border-radius:18px}.credential-box{display:grid;gap:9px}.credential-box strong{padding:12px;border-radius:12px;box-shadow:var(--inset);font-size:23px;letter-spacing:.06em}
@media(max-width:760px){body{padding-bottom:calc(72px + env(safe-area-inset-bottom));font-size:16px}.topbar{height:60px;padding:0 16px}.brand img{height:30px}.brand{font-size:13px}.top-links{gap:12px}.admin-link[href="/admin.html"]{display:none}.hero{width:calc(100% - 28px);min-height:auto;margin:22px auto 54px;padding:28px 18px 24px;display:flex;flex-direction:column;gap:22px;border-radius:26px;box-shadow:9px 9px 20px var(--dark),-9px -9px 20px var(--light)}.hero-copy{text-align:center}.hero-copy .eyebrow{margin-bottom:9px;font-size:12px}.hero h1{margin-bottom:12px;font-size:42px;line-height:1.06}.hero h1 strong{font-size:28px}.hero-copy p{margin:0;font-size:16px;letter-spacing:.06em}.hero-copy .button{display:none}.hero-product{order:2;width:100%;min-height:340px;border-radius:22px}.hero-product img{width:auto;height:330px;max-width:92%}.section{padding:54px 18px}.section h2,.scene h2{font-size:29px}.intro{padding-top:0}.features{width:calc(100% - 36px);margin-bottom:62px;grid-template-columns:1fr;gap:24px}.features article{min-height:auto;padding:27px 24px;border-radius:20px;box-shadow:8px 8px 17px var(--dark),-8px -8px 17px var(--light)}.scene{width:calc(100% - 28px);margin-bottom:12px;padding:16px;display:block;border-radius:25px}.scene img{height:330px;border-radius:18px}.scene div{padding:30px 10px 16px}.buy{display:block}.buy>div{margin-bottom:26px;padding-top:0}.order-card{padding:24px 16px;border-radius:23px;box-shadow:9px 9px 20px var(--dark),-9px -9px 20px var(--light)}.plans{grid-template-columns:1fr}.plan{min-height:72px}input,textarea,select{font-size:16px;min-height:50px}.button{min-height:50px}.price-row strong{font-size:31px}.mobile-buy{display:flex;position:fixed;left:14px;right:14px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:50;height:52px;align-items:center;justify-content:center;border-radius:17px;background:var(--surface);box-shadow:7px 7px 15px #aab0b9,-7px -7px 15px var(--light);color:var(--accent-strong);font-weight:900}.mobile-buy:hover{box-shadow:4px 4px 9px #aab0b9,-4px -4px 9px var(--light)}.mobile-buy:active{box-shadow:var(--inset)}footer{margin-top:40px;padding-bottom:38px}.admin-shell{display:block}.side{height:auto;position:static;padding:20px}.side img{margin-bottom:18px}.side nav{display:flex;gap:8px;overflow:auto}.side nav button{min-width:max-content}.admin-main{padding:18px}.cards{grid-template-columns:1fr 1fr;gap:14px}.panel{padding:17px}.table-wrap{overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}.form-grid{grid-template-columns:1fr}.login-page{padding:calc(22px + env(safe-area-inset-top)) 16px calc(22px + env(safe-area-inset-bottom))}.login-card{padding:29px 20px;border-radius:22px}}
@media(max-width:390px){.hero h1{font-size:38px}.hero h1 strong{font-size:26px}.hero-product{min-height:310px}.hero-product img{height:300px}.cards{grid-template-columns:1fr}.price-row strong{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
.deposit-title,.region-limit{display:block}.deposit-title{margin:12px 0 16px;color:var(--accent-strong);font-size:24px}.region-limit,.order-region-notice{color:#8a3d2d;font-weight:900}.region-limit{margin-bottom:13px;font-size:17px}.deposit-note{color:var(--muted);font-size:14px}.order-region-notice{margin:4px 0 20px!important;padding:13px 16px;border-radius:14px;box-shadow:var(--inset);text-align:center;font-size:15px}.price-detail{margin:-7px 0 22px!important;color:var(--muted);font-size:14px;text-align:right}.plan-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.plan-head strong{font-size:16px}.plan-head b{flex:none;color:var(--accent-strong);font-size:16px}.plan em{display:block;margin-top:5px;color:var(--muted);font-size:13px;font-style:normal;line-height:1.5}.region-fieldset{margin:20px 0 8px;padding:0;border:0}.region-fieldset legend{font-size:14px;font-weight:800}.region-selects{display:grid;grid-template-columns:.82fr 1fr 1fr;gap:12px;align-items:end}.region-selects label{margin:0}.region-selects label span{display:block;margin-bottom:6px;color:var(--muted);font-size:12px}.province-fixed{min-height:50px;padding:13px 16px;border-radius:14px;box-shadow:var(--inset);font-weight:800}
@media(max-width:760px){.deposit-title{font-size:21px}.region-limit{font-size:16px}.plan-head b{font-size:15px}.price-detail{text-align:left}.region-selects{grid-template-columns:1fr 1fr}.province-fixed{grid-column:1/-1}.region-selects select{margin-top:0}.order-region-notice{line-height:1.45}}
@media(max-width:390px){.plan-head{align-items:flex-start}.plan-head strong,.plan-head b{font-size:14px}.region-selects{gap:10px}}
.product-catalog{padding-top:30px;text-align:center}.product-options{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}.product-option{display:flex;min-width:0;flex-direction:column;overflow:hidden;padding:16px;border:0;border-radius:24px;background:var(--surface);box-shadow:var(--raised-sm);color:var(--ink);text-align:left;cursor:pointer;transition:var(--ease)}.product-option:hover{transform:translateY(-2px);box-shadow:3px 3px 7px var(--dark),-3px -3px 7px var(--light)}.product-option:active,.product-option.active{transform:none;box-shadow:var(--inset)}.product-option:focus-visible{outline:3px solid rgba(168,115,34,.4);outline-offset:4px}.product-thumb{display:flex;height:210px;align-items:center;justify-content:center;overflow:hidden;border-radius:17px;background:#f0f0f3;box-shadow:var(--inset)}.product-thumb img{width:100%;height:100%;object-fit:contain}.product-option:first-child .product-thumb img{width:auto;height:88%}.product-option-copy{display:flex;min-width:0;flex:1;flex-direction:column;padding:18px 8px 7px}.product-option-copy small{color:var(--accent-strong);font-weight:900}.product-option-copy strong{margin-top:7px;font-size:18px;line-height:1.35}.product-option-copy em{margin-top:8px;color:var(--muted);font-size:13px;font-style:normal;line-height:1.55}.product-subtitle{margin:10px 0 20px!important;color:var(--muted)}
@media(max-width:760px){.product-catalog{padding:25px 18px 48px}.product-options{grid-template-columns:1fr;gap:18px;margin-top:22px}.product-option{display:grid;grid-template-columns:104px 1fr;align-items:center;padding:13px;border-radius:20px}.product-thumb{height:118px}.product-option-copy{padding:8px 8px 8px 15px}.product-option-copy strong{font-size:16px}.product-option-copy em{font-size:12px}.product-subtitle{font-size:14px}}
.product-option:nth-child(2) .product-thumb img{width:122%;height:122%;max-width:none}.region-selects{grid-template-columns:.8fr 2fr}.region-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.region-pair label{margin:0}.region-pair input,.region-pair select{margin-top:0}
@media(max-width:760px){.region-selects{grid-template-columns:1fr}.region-pair{grid-template-columns:1fr 1fr}.product-option:nth-child(2) .product-thumb img{width:132%;height:132%}}
.hero{position:relative}.hero-copy,.hero-product{transition:opacity .22s ease,transform .22s ease}.hero.is-changing .hero-copy,.hero.is-changing .hero-product{opacity:.18;transform:translateY(5px)}.hero-arrow{position:absolute;top:50%;z-index:5;width:46px;height:46px;margin-top:-23px;border:0;border-radius:50%;background:var(--surface);box-shadow:var(--raised-sm);color:var(--accent-strong);font-size:34px;line-height:1;cursor:pointer;transition:var(--ease)}.hero-arrow:hover{box-shadow:3px 3px 7px var(--dark),-3px -3px 7px var(--light)}.hero-arrow:active{box-shadow:var(--inset)}.hero-arrow:focus-visible,.hero-dot:focus-visible{outline:3px solid rgba(168,115,34,.4);outline-offset:3px}.hero-prev{left:18px}.hero-next{right:18px}.hero-dots{position:absolute;left:50%;bottom:22px;z-index:5;display:flex;gap:12px;transform:translateX(-50%)}.hero-dot{width:12px;height:12px;padding:0;border:0;border-radius:50%;background:var(--surface);box-shadow:var(--raised-sm);cursor:pointer}.hero-dot.active{background:var(--accent);box-shadow:var(--inset)}.hero-product img[src*="huawei-b535"]{width:min(560px,100%)}.hero-product img[src*="huawei-mobile-wifi-5"]{width:auto;height:470px}
@media(max-width:760px){.hero-arrow{top:auto;bottom:18px;width:40px;height:40px;margin:0;font-size:29px}.hero-prev{left:18px}.hero-next{right:18px}.hero-dots{bottom:32px}.hero-product img[src*="huawei-b535"]{width:112%;height:auto;max-width:none}.hero-product img[src*="huawei-mobile-wifi-5"]{width:auto;height:300px;max-width:92%}}