:root{color-scheme:light;--bg:#f5f7fa;--surface:#fff;--ink:#18202d;--muted:#697385;--faint:#939cab;--line:#e3e7ed;--blue:#3868bc;--blue-soft:#edf3fd;--red:#aa4242;--shadow:0 18px 55px rgba(25,37,57,.09);--radius:18px;--ease:cubic-bezier(.2,.8,.2,1)}*{box-sizing:border-box}html{font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}body{margin:0;min-height:100vh}.portal-header{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,72px);background:rgba(245,247,250,.86);border-bottom:1px solid rgba(227,231,237,.8);backdrop-filter:blur(18px)}.portal-brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.portal-brand>span{width:32px;height:32px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:10px;font-size:14px;font-weight:700}.portal-brand strong{font-size:14px;letter-spacing:-.02em}.text-button{padding:8px 4px;color:var(--muted);background:none;border:0;cursor:pointer;font-size:13px}main{width:min(1060px,calc(100% - 32px));margin:0 auto;padding:64px 0 90px}.eyebrow{margin:0 0 12px;color:var(--blue);font-size:11px;font-weight:700;letter-spacing:.08em}.auth-shell{width:min(460px,100%);margin:5vh auto 0;padding:34px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}h1,h2,p{margin-top:0}h1{margin-bottom:12px;font-size:clamp(30px,5vw,44px);line-height:1.08;letter-spacing:-.045em;font-weight:650}h2{margin-bottom:8px;font-size:22px;letter-spacing:-.03em}.auth-shell>p:not(.eyebrow),.section-heading p,.hero-row p{color:var(--muted);font-size:13px;line-height:1.65}.auth-form{margin-top:28px;display:grid;gap:16px}.auth-form label,.device-name,.private-link{display:grid;gap:7px;color:var(--muted);font-size:11px;font-weight:620}.auth-form label small{color:var(--faint);font-size:10px;font-weight:500;line-height:1.5}input{width:100%;height:44px;padding:0 12px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:13px;outline:none;transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease)}input:focus{border-color:#8ba8d7;box-shadow:0 0 0 3px rgba(56,104,188,.09)}.primary-button,.secondary-button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border:0;border-radius:10px;cursor:pointer;font-size:13px;font-weight:650;text-decoration:none;transition:transform 160ms var(--ease),background 160ms var(--ease)}.primary-button{color:#fff;background:var(--blue)}.secondary-button{color:#315a9f;background:var(--blue-soft)}.primary-button.compact{min-width:122px}.primary-button:disabled{cursor:not-allowed;opacity:.42}.primary-button:active,.secondary-button:active{transform:scale(.98)}.notice{position:fixed;z-index:20;top:78px;left:50%;transform:translateX(-50%);max-width:calc(100% - 30px);padding:11px 15px;color:#315a9f;background:#eef4fd;border:1px solid #d2e0f4;border-radius:10px;box-shadow:0 10px 30px rgba(27,44,70,.1);font-size:12px}.notice.error{color:#8c3434;background:#fff0f0;border-color:#f0cccc}.hero-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.hero-row h1{margin-bottom:9px}.hero-row p{margin-bottom:0}.summary-grid{margin-top:34px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.summary-grid article{min-height:126px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:15px}.summary-grid span,.summary-grid small{display:block;color:var(--faint);font-size:10px}.summary-grid strong{display:block;margin:18px 0 6px;font-size:18px;font-weight:650;letter-spacing:-.025em}.section-heading{margin-top:44px;display:flex;justify-content:space-between;gap:20px}.section-heading h2{margin-bottom:5px}.section-heading p{margin-bottom:0}.device-list{margin-top:16px;display:grid;gap:10px}.device-card{min-height:94px;display:grid;grid-template-columns:46px minmax(0,1fr) auto;align-items:center;gap:15px;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:14px}.device-icon{width:44px;height:44px;display:grid;place-items:center;color:#315a9f;background:var(--blue-soft);border-radius:13px;font-size:14px;font-weight:700}.device-copy{display:grid;gap:3px}.device-copy strong{font-size:14px}.device-copy span,.device-copy small{color:var(--muted);font-size:10px}.device-copy small{color:var(--faint)}.device-actions{display:flex;align-items:center;gap:8px}.device-actions button{height:34px;padding:0 11px;color:#315a9f;background:var(--blue-soft);border:0;border-radius:8px;cursor:pointer;font-size:10px;font-weight:650}.device-actions button.quiet{color:var(--muted);background:#f3f5f8}.gated-badge{padding:7px 9px;color:#95601f;background:#fff5df;border-radius:7px;font-size:9px;font-weight:650}.empty-device{padding:45px 22px;display:grid;gap:8px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed #cfd6df;border-radius:14px}.empty-device strong{color:var(--ink);font-size:14px}.empty-device span{font-size:11px}dialog{width:min(580px,calc(100% - 28px));padding:0;color:var(--ink);background:var(--surface);border:0;border-radius:var(--radius);box-shadow:0 24px 70px rgba(22,33,50,.2)}dialog::backdrop{background:rgba(25,34,48,.36);backdrop-filter:blur(2px)}dialog form,.link-dialog-shell{position:relative;padding:30px}.close-button{position:absolute;top:17px;right:17px;width:34px;height:34px;padding:0;color:var(--muted);background:transparent;border:0;border-radius:9px;cursor:pointer;font-size:22px}fieldset{margin:22px 0 0;padding:0;border:0}fieldset:disabled{opacity:.42}legend{margin-bottom:10px;color:var(--muted);font-size:11px;font-weight:650}.choice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.choice-grid.two{grid-template-columns:repeat(2,1fr)}.choice-grid button{min-height:68px;padding:11px;color:var(--ink);background:#fafbfd;border:1px solid var(--line);border-radius:10px;cursor:pointer;font-size:12px;font-weight:650}.choice-grid button small{display:block;margin-top:5px;color:var(--faint);font-size:9px;font-weight:500}.choice-grid button.selected{color:#315a9f;background:var(--blue-soft);border-color:#91acd7;box-shadow:0 0 0 2px rgba(56,104,188,.07)}.device-name{margin-top:18px}.delivery-preview{margin:16px 0 0;padding:11px 12px;color:var(--muted);background:#f7f9fc;border-radius:9px;font-size:10px;line-height:1.55}.dialog-actions{margin-top:22px;display:flex;justify-content:flex-end;gap:8px}.private-link{margin-top:20px}.private-link input{font-size:10px}.security-note{margin:16px 0 0;color:var(--faint);font-size:9px;line-height:1.6}@media(hover:hover) and (pointer:fine){.primary-button:hover{background:#2f5da9}.device-actions button:hover,.secondary-button:hover{background:#dfeafb}.choice-grid button:hover{border-color:#a9bcdc}}@media(max-width:700px){main{padding-top:38px}.hero-row{align-items:flex-start;flex-direction:column}.hero-row .primary-button{width:100%}.summary-grid{grid-template-columns:1fr}.summary-grid article{min-height:104px}.device-card{grid-template-columns:42px 1fr}.device-actions{grid-column:1/-1;justify-content:flex-end}.choice-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:430px){.auth-shell{padding:25px 20px}.portal-header{padding:0 18px}.device-card{padding:14px}.dialog-actions{display:grid;grid-template-columns:1fr}.choice-grid.two{grid-template-columns:1fr}.link-dialog-shell,dialog form{padding:25px 20px}}@media(prefers-reduced-motion:reduce){*{transition-duration:.01ms!important}}
.hero-actions{display:flex;align-items:center;gap:8px}.secondary-button.compact{min-width:108px}.payment-form>p:not(.eyebrow){color:var(--muted);font-size:12px;line-height:1.6}.payment-product-options{margin-top:20px;display:grid;gap:9px}.payment-product-option{width:100%;min-height:70px;padding:13px 14px;display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--ink);background:#fafbfd;border:1px solid var(--line);border-radius:11px;cursor:pointer;text-align:left}.payment-product-option.selected{color:#315a9f;background:var(--blue-soft);border-color:#91acd7;box-shadow:0 0 0 2px rgba(56,104,188,.07)}.payment-product-option>span{display:grid;gap:4px}.payment-product-option strong{font-size:13px}.payment-product-option small{color:var(--faint);font-size:9px}.payment-product-option b{font-size:17px;white-space:nowrap}.payment-form .primary-button:disabled{opacity:.45}
.renewal-result{margin-top:18px;padding:16px;display:grid;grid-template-columns:156px minmax(0,1fr);align-items:center;gap:20px;background:#f7f9fc;border:1px solid var(--line);border-radius:13px}.renewal-result[hidden]{display:none}.renewal-result img{width:156px;height:156px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:10px}.renewal-result div{display:grid;gap:7px}.renewal-result span,.renewal-result small{color:var(--faint);font-size:10px}.renewal-result strong{color:#315a9f;font-size:28px;letter-spacing:-.04em}.renewal-result small{overflow-wrap:anywhere}
@media(max-width:700px){.hero-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}.hero-row .secondary-button{width:100%}}
@media(max-width:430px){.renewal-result{grid-template-columns:1fr;text-align:center}.renewal-result img{margin:auto}.renewal-result div{justify-items:center}}
.auth-alt{margin:18px 0 0!important;text-align:center}.auth-alt a{color:var(--blue);text-decoration:none;font-weight:650}.signup-shell{width:min(1100px,100%);margin:0 auto}.signup-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:30px}.signup-heading h1{font-size:clamp(32px,5vw,48px)}.signup-heading>div>p:last-child{margin:0;color:var(--muted);font-size:13px}.signup-progress{display:flex;gap:8px;flex-wrap:wrap}.signup-progress span{padding:8px 10px;color:var(--faint);background:#eceff3;border-radius:999px;font-size:10px;font-weight:650}.signup-progress .done{color:#47745b;background:#eaf5ee}.signup-progress .active{color:#315a9f;background:var(--blue-soft)}.signup-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:22px;align-items:start}.signup-options,.signup-quote{padding:25px;background:var(--surface);border:1px solid var(--line);border-radius:16px}.signup-options fieldset:first-child{margin-top:0}.signup-choice{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.signup-choice.compact{grid-template-columns:repeat(4,1fr)}.signup-choice label,.signup-chips label{cursor:pointer}.signup-choice input,.signup-chips input{position:absolute;opacity:0;pointer-events:none}.signup-choice span{min-height:70px;padding:13px;display:flex;flex-direction:column;justify-content:center;color:var(--ink);background:#fafbfd;border:1px solid var(--line);border-radius:10px}.signup-choice b{font-size:12px}.signup-choice small{margin-top:5px;color:var(--faint);font-size:9px}.signup-choice input:checked+span,.signup-chips input:checked+span{color:#315a9f;background:var(--blue-soft);border-color:#91acd7;box-shadow:0 0 0 2px rgba(56,104,188,.07)}.signup-conditional{margin-top:18px;padding:17px;background:#f7f9fc;border-radius:11px}.signup-conditional>label,.signup-sliders label{display:grid;gap:8px;color:var(--muted);font-size:11px;font-weight:650}.signup-conditional select{height:42px;padding:0 11px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:9px}.signup-chips{display:flex;gap:8px;flex-wrap:wrap}.signup-chips span{display:block;padding:8px 11px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:10px}.signup-sliders{margin-top:20px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.signup-sliders input{height:auto;padding:0}.signup-sliders b{float:right;color:var(--ink)}.signup-quote{position:sticky;top:20px}.signup-price{margin:22px 0 6px;display:flex;align-items:baseline;gap:4px;color:var(--blue)}.signup-price span{font-size:16px}.signup-price strong{font-size:48px;letter-spacing:-.05em}.signup-price small{color:var(--muted);font-size:11px}.signup-quote>p:not(.eyebrow,.signup-warning,.delivery-preview){color:var(--muted);font-size:10px}.signup-quote dl{margin:22px 0;display:grid;gap:10px}.signup-quote dl div{display:flex;justify-content:space-between;padding-bottom:10px;border-bottom:1px solid var(--line)}.signup-quote dt{color:var(--faint);font-size:10px}.signup-quote dd{margin:0;font-size:11px;font-weight:650}.signup-warning{padding:10px;color:#8c3434;background:#fff0f0;border-radius:8px;font-size:10px}.signup-payment{margin:15px 0;display:grid;justify-items:center;gap:7px}.signup-payment[hidden]{display:none}.signup-payment img{width:190px;height:190px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:11px}.signup-payment strong{font-size:26px}.signup-payment small{color:var(--faint);font-size:9px}.signup-quote>.primary-button{width:100%;margin-top:14px}
@media(max-width:820px){.signup-heading{align-items:flex-start;flex-direction:column}.signup-layout{grid-template-columns:1fr}.signup-quote{position:static}.signup-choice.compact{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.signup-options,.signup-quote{padding:19px}.signup-choice,.signup-choice.compact,.signup-sliders{grid-template-columns:1fr}.signup-progress span{font-size:9px}}
.payment-method-field{margin-top:18px}.payment-method-options{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:14px}.payment-method-options button{min-height:40px;padding:0 12px;color:var(--muted);background:#f6f8fb;border:1px solid var(--line);border-radius:9px;cursor:pointer;font-size:11px;font-weight:650}.payment-method-options button.selected{color:#315a9f;background:var(--blue-soft);border-color:#91acd7;box-shadow:0 0 0 2px rgba(56,104,188,.07)}.payment-method-options button[hidden]{display:none}.signup-heading>div:last-child{display:grid;justify-items:end;gap:12px}@media(max-width:820px){.signup-heading>div:last-child{justify-items:start}.hero-actions{grid-template-columns:1fr 1fr}.hero-actions .primary-button{grid-column:1/-1}}
.summary-grid{grid-template-columns:repeat(4,minmax(0,1fr))}dialog{max-height:calc(100dvh - 28px);overflow-y:auto}.payment-form>label,#signup-referral-balance-row{display:flex;align-items:center;gap:8px;margin-top:16px;color:var(--muted);font-size:11px;line-height:1.45}.payment-form>label input[type="checkbox"],#signup-use-referral-balance{width:16px;height:16px;flex:0 0 16px;margin:0;padding:0;border-radius:4px}.payment-form .payment-product-options{gap:7px}.payment-form .payment-product-option{min-height:58px;padding:10px 14px}@media(max-width:900px){.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.summary-grid{grid-template-columns:1fr}}
.signup-referral-preview{margin:14px 0 4px;padding:12px;background:#f7f9fc;border-radius:10px;display:grid;gap:7px}.signup-referral-preview[hidden]{display:none}.signup-referral-preview div{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:10px}.signup-referral-preview strong{color:var(--ink);font-size:11px}.signup-referral-preview .total{padding-top:8px;border-top:1px solid var(--line)}.signup-referral-preview .total strong{color:var(--blue);font-size:13px}
[hidden]{display:none!important}.account-shell{width:min(1060px,100%)}.account-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.account-heading h1{margin-bottom:9px}.account-heading>div>p:last-child{margin-bottom:0;color:var(--muted);font-size:13px;line-height:1.65}.status-badge{flex:0 0 auto;padding:8px 12px;color:#315a9f;background:var(--blue-soft);border:1px solid #d7e3f6;border-radius:999px;font-size:10px;font-weight:700}.status-badge.active{color:#35704c;background:#eaf5ee;border-color:#cfe7d6}.status-badge.pending_activation{color:#93601f;background:#fff5df;border-color:#f0ddb5}.status-badge.expired,.status-badge.suspended{color:#914040;background:#fff0f0;border-color:#f0cccc}.portal-nav{margin:30px 0 24px;padding:5px;display:flex;gap:4px;overflow-x:auto;background:#e9edf3;border-radius:12px;scrollbar-width:none}.portal-nav::-webkit-scrollbar{display:none}.portal-nav button{min-height:38px;padding:0 15px;flex:0 0 auto;color:var(--muted);background:transparent;border:0;border-radius:9px;cursor:pointer;font-size:11px;font-weight:650}.portal-nav button.active{color:var(--ink);background:var(--surface);box-shadow:0 4px 16px rgba(25,37,57,.08)}.portal-panel>.section-heading{margin-top:0}.service-status-card{min-height:168px;padding:26px;display:flex;align-items:center;justify-content:space-between;gap:28px;background:linear-gradient(135deg,#f8fbff 0%,#edf3fd 100%);border:1px solid #d9e4f5;border-radius:18px}.service-status-card.active{background:linear-gradient(135deg,#f8fcf9 0%,#edf7f0 100%);border-color:#d4e9da}.service-status-card.pending_activation{background:linear-gradient(135deg,#fffdf8 0%,#fff5df 100%);border-color:#f0ddb5}.service-status-card.expired,.service-status-card.suspended{background:linear-gradient(135deg,#fffafa 0%,#fff0f0 100%);border-color:#f0cccc}.service-status-card span,.billing-card span,.referral-card span{color:var(--faint);font-size:10px}.service-status-card h2{margin:12px 0 7px;font-size:28px}.service-status-card p{max-width:620px;margin:0;color:var(--muted);font-size:12px;line-height:1.6}.quick-grid{margin-top:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.quick-grid button{min-height:92px;padding:17px;text-align:left;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:14px;cursor:pointer}.quick-grid span,.quick-grid strong{display:block}.quick-grid span{margin-bottom:9px;color:var(--blue);font-size:10px;font-weight:700}.quick-grid strong{font-size:12px;line-height:1.45}.billing-card,.referral-card{padding:24px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--surface);border:1px solid var(--line);border-radius:16px}.billing-card>div:first-child,.referral-card>div{display:grid;gap:7px}.billing-card strong,.referral-card strong{font-size:21px}.billing-card small,.referral-card small{color:var(--muted);font-size:10px}.referral-card code{font-size:19px;font-weight:700;letter-spacing:.08em}.account-details{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}.account-details div{min-height:64px;padding:14px 18px;display:grid;grid-template-columns:160px minmax(0,1fr);align-items:center;gap:18px;border-bottom:1px solid var(--line)}.account-details div:last-child{border-bottom:0}.account-details dt{color:var(--muted);font-size:10px}.account-details dd{margin:0;font-size:12px;font-weight:650;overflow-wrap:anywhere}@media(hover:hover) and (pointer:fine){.portal-nav button:hover{color:var(--ink)}.quick-grid button:hover{border-color:#b9c9df;box-shadow:0 8px 24px rgba(25,37,57,.06)}}@media(max-width:700px){.account-heading{align-items:flex-start;flex-direction:column;gap:14px}.portal-nav{margin-top:22px}.service-status-card,.billing-card,.referral-card{align-items:flex-start;flex-direction:column}.service-status-card .primary-button,.billing-card .primary-button,.billing-card .secondary-button{width:100%}.quick-grid{grid-template-columns:1fr}.billing-card .hero-actions{width:100%;grid-template-columns:1fr 1fr}.account-details div{grid-template-columns:1fr;gap:5px}}@media(max-width:430px){.portal-nav{margin-left:-5px;margin-right:-5px}.service-status-card{padding:21px}.service-status-card h2{font-size:24px}.billing-card,.referral-card{padding:19px}.billing-card .hero-actions{grid-template-columns:1fr}.billing-card .hero-actions button{width:100%}}
.billing-order-heading{margin-top:30px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px}.billing-order-heading h3{margin:0;font-size:16px}.billing-order-heading p{margin:6px 0 0;color:var(--muted);font-size:10px}.billing-order-heading>span{color:var(--muted);font-size:10px;white-space:nowrap}.billing-order-list{margin-top:14px;display:grid;gap:10px}.billing-order-empty{margin:0;padding:20px;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:13px;font-size:11px}
.billing-order-card{padding:17px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--surface);border:1px solid var(--line);border-radius:14px}.billing-order-card.pending{border-color:#ead6ad;background:#fffdf8}.billing-order-main{min-width:0;display:grid;gap:6px}.billing-order-main>div{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.billing-order-main>div>strong{font-size:12px}.billing-order-main>span{color:var(--muted);font-size:10px}.billing-order-main small{color:var(--faint);font-size:9px;overflow-wrap:anywhere}.billing-order-status{padding:4px 7px;color:var(--muted);background:#eef1f5;border-radius:6px;font-size:8px;font-weight:700}.billing-order-status.pending{color:#805718;background:#fff0d0}.billing-order-status.paid{color:#35704c;background:#eaf5ee}.billing-order-status.cancelled,.billing-order-status.failed{color:#914040;background:#fff0f0}.billing-order-side{display:grid;justify-items:end;gap:9px}.billing-order-side>strong{font-size:16px}.billing-order-action{text-decoration:none}
.traffic-usage-card{margin-top:14px;padding:21px 22px;background:var(--surface);border:1px solid var(--line);border-radius:15px}.traffic-usage-card[hidden]{display:none}.traffic-usage-heading,.traffic-usage-meta{display:flex;align-items:flex-end;justify-content:space-between;gap:18px}.traffic-usage-heading>div{display:grid;gap:5px}.traffic-usage-heading>div:last-child{text-align:right}.traffic-usage-heading span,.traffic-usage-meta,.traffic-usage-meta small{color:var(--faint);font-size:10px}.traffic-usage-heading strong{font-size:17px;letter-spacing:-.025em}.traffic-usage-meter{height:9px;margin:18px 0 11px;overflow:hidden;background:#e8edf4;border-radius:999px}.traffic-usage-meter[hidden]{display:none}.traffic-usage-meter span{display:block;width:0;height:100%;background:linear-gradient(90deg,#5b8bca,#3868bc);border-radius:inherit;transition:width 350ms var(--ease)}.traffic-usage-meta>span:first-child{color:var(--blue);font-weight:700}.traffic-usage-meta small{margin-left:auto}.traffic-usage-card.unlimited .traffic-usage-meta{margin-top:16px;padding-top:13px;border-top:1px solid var(--line)}
@media(max-width:600px){.billing-order-heading{align-items:flex-start;flex-direction:column;gap:8px}.billing-order-card{align-items:stretch;flex-direction:column}.billing-order-side{display:flex;align-items:center;justify-content:space-between}.billing-order-main>div>strong{overflow-wrap:anywhere}}
@media(max-width:600px){.traffic-usage-card{padding:18px}.traffic-usage-heading strong{font-size:15px}.traffic-usage-meta{align-items:flex-start;display:grid;grid-template-columns:1fr auto}.traffic-usage-meta small{grid-column:1/-1;margin-left:0}.traffic-usage-meter{margin-top:16px}}

/* Portal identity and mobile plan-change refinement */
.portal-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;fill:var(--blue);filter:drop-shadow(0 6px 9px rgba(56,104,188,.18))}.portal-brand .brand-mark-cut{fill:#fff}.portal-brand strong{font-size:15px}.device-name small{margin-left:4px;color:var(--faint);font-size:9px;font-weight:500}.signup-current-plan-note{padding:12px 13px;color:#815719;background:#fff6df;border:1px solid #f0ddb5;border-radius:9px;font-size:11px;line-height:1.55}.signup-quote.current-plan{border-color:#e5c98d;box-shadow:0 14px 34px rgba(126,88,28,.09)}.signup-quote.current-plan #signup-quote-name::after{content:"当前套餐";display:inline-flex;margin-left:8px;padding:4px 7px;vertical-align:middle;color:#815719;background:#fff1cd;border-radius:6px;font-size:9px;font-weight:700;letter-spacing:0}.signup-back-float span{font-size:16px;line-height:1}
@media(max-width:820px){
  main{width:min(100% - 24px,680px);padding-top:30px}.signup-shell{padding-bottom:82px}.signup-heading{gap:18px;margin-bottom:20px}.signup-heading h1{font-size:clamp(30px,9vw,40px);line-height:1.08}.signup-heading>div>p:last-child{font-size:14px;line-height:1.65}.signup-heading>div:last-child{width:100%}.signup-back-float{position:fixed;z-index:18;right:16px;bottom:max(16px,env(safe-area-inset-bottom));min-height:46px;padding:0 17px;color:#fff;background:#315a9f;border:1px solid rgba(255,255,255,.52);border-radius:999px;box-shadow:0 12px 30px rgba(23,52,98,.26)}.signup-back-float:active{background:#294f8d}.signup-options,.signup-quote{padding:20px;border-radius:14px}.signup-options{display:grid;gap:22px}.signup-options fieldset,.signup-options fieldset:first-child,.signup-sliders{margin:0}.signup-choice.usage,.signup-choice.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.signup-choice span{min-height:76px;padding:13px 12px}.signup-choice b{font-size:14px;line-height:1.3}.signup-choice small{font-size:11px;line-height:1.35}.signup-options legend{margin-bottom:12px;font-size:13px}.signup-sliders{grid-template-columns:1fr;gap:22px}.signup-sliders label,.signup-conditional>label{font-size:13px}.signup-sliders input{min-height:28px}.signup-conditional{margin:0;padding:15px}.signup-quote{position:static}.signup-quote h2{font-size:24px}.signup-price{margin-top:16px}.signup-price strong{font-size:42px}.signup-quote>p:not(.eyebrow,.signup-warning,.delivery-preview,.signup-current-plan-note),.signup-quote dt,.signup-quote dd{font-size:12px}.signup-quote dl{margin:18px 0}.payment-method-options button{min-height:46px;font-size:13px}.signup-quote>.primary-button{min-height:48px;font-size:14px}.signup-current-plan-note{font-size:12px}
}
@media(max-width:430px){
  .portal-header{height:64px;padding:0 16px}.portal-brand{gap:9px}.portal-brand .brand-mark{width:31px;height:31px;flex-basis:31px}.portal-brand strong{font-size:14px}main{width:calc(100% - 24px);padding:26px 0 96px}.signup-heading h1{font-size:32px}.signup-options,.signup-quote{padding:16px}.signup-choice.usage,.signup-choice.compact{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.signup-choice span{min-height:72px;padding:11px 10px}.signup-choice b{font-size:13px}.signup-choice small{font-size:10px}.signup-payment img{width:min(190px,100%);height:auto}.signup-price strong{font-size:38px}.signup-referral-preview div{font-size:11px}.signup-referral-preview strong{font-size:12px}.signup-back-float{right:12px;bottom:max(12px,env(safe-area-inset-bottom));min-height:44px}.device-name input{font-size:16px}
}

/* Mobile portal navigation: fit all five tabs rather than clipping the last */
@media(max-width:520px){
  .portal-nav{margin-left:0;margin-right:0;padding:4px;gap:2px}
  .portal-nav button{flex:1 1 0;min-width:0;padding:0 6px;font-size:11px;white-space:nowrap}
}
@media(max-width:360px){
  .portal-nav button{padding:0 4px;font-size:10px}
}