:root{color-scheme:dark;--bg:#08111f;--deep:#050b14;--border:rgba(148,176,216,.2);--text:#eef6ff;--muted:#9db0c9;--blue:#3b82f6;--light:#60a5fa;--green:#38d99d;--red:#ff7474;font-family:Inter,"Noto Sans SC","Microsoft YaHei","PingFang SC",system-ui,-apple-system,"Segoe UI",sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 50% -20%,rgba(37,99,235,.22),transparent 46%),linear-gradient(180deg,var(--bg),var(--deep));color:var(--text);line-height:1.55;overflow-x:hidden}button,input{font:inherit}a{color:inherit}button,label,a{-webkit-tap-highlight-color:transparent}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link{position:fixed;top:8px;left:8px;z-index:1000;padding:10px 14px;border-radius:8px;background:#fff;color:#0b1220;transform:translateY(-150%);transition:transform .15s}.skip-link:focus{transform:none}.glow{position:fixed;z-index:-1;border-radius:50%;filter:blur(110px);pointer-events:none}.glow-a{width:420px;height:420px;top:16%;left:-260px;background:rgba(59,130,246,.17)}.glow-b{width:360px;height:360px;right:-220px;top:48%;background:rgba(96,165,250,.12)}
.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--border);background:rgba(5,11,20,.82);backdrop-filter:blur(18px)}.nav-shell{width:min(1120px,calc(100% - 40px));min-height:68px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}.brand img{display:block;border-radius:10px}.brand>span{display:grid;line-height:1.15}.brand strong{font-size:1.02rem}.brand small{margin-top:3px;color:var(--muted);font-size:.68rem}.tool-nav{display:flex;gap:4px}.tool-nav a{min-height:40px;display:flex;align-items:center;padding:0 14px;border-radius:10px;color:var(--muted);font-size:.9rem;text-decoration:none;white-space:nowrap}.tool-nav a:hover{color:var(--text);background:rgba(96,165,250,.08)}.tool-nav .active{color:#dbeafe;background:rgba(59,130,246,.16)}
main{width:min(960px,calc(100% - 40px));margin:auto}.hero{padding:74px 0 38px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--light);font-size:.82rem;font-weight:700;letter-spacing:.08em}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--light);box-shadow:0 0 14px var(--light)}.hero h1{margin:0;font-size:clamp(2rem,5vw,3.6rem);line-height:1.12;letter-spacing:-.045em}.hero>p{max-width:650px;margin:18px auto 0;color:var(--muted);font-size:1.04rem}.flow{margin-top:22px;display:flex;justify-content:center;align-items:center;gap:12px;color:#c3d3e8;font-size:.86rem}.flow span{padding:6px 12px;border:1px solid var(--border);border-radius:999px;background:rgba(15,29,50,.5)}.flow b{color:var(--light);font-weight:400}
.tool-card{padding:clamp(22px,4vw,40px);border:1px solid var(--border);border-radius:24px;background:linear-gradient(145deg,rgba(16,32,55,.96),rgba(9,20,36,.96));box-shadow:0 24px 80px rgba(0,8,24,.48)}.tool-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}.tool-heading p{margin:0 0 4px;color:var(--light);font-size:.75rem;font-weight:700;letter-spacing:.08em}.tool-heading h2{margin:0;font-size:clamp(1.25rem,3vw,1.65rem)}.tool-heading>span{flex:none;padding:6px 11px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:.76rem}.field-block{margin-bottom:28px}.drop-zone{min-height:250px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px;border:1.5px dashed rgba(96,165,250,.48);border-radius:18px;background:rgba(34,80,140,.075);text-align:center;cursor:pointer;transition:.16s}.drop-zone:hover,.drop-zone.is-dragging{border-color:var(--light);background:rgba(59,130,246,.13)}.drop-zone.is-dragging{transform:scale(1.006)}.drop-zone[aria-disabled=true]{cursor:wait;opacity:.65}.upload-icon{width:64px;height:64px;display:grid;place-items:center;margin-bottom:13px;border-radius:18px;color:#bfdbfe;background:linear-gradient(145deg,rgba(59,130,246,.3),rgba(37,99,235,.12))}.drop-zone>strong{font-size:1.06rem}.drop-zone>small{margin-top:3px;color:var(--muted);font-size:.87rem}.drop-zone>em{margin-top:16px;min-height:40px;display:flex;align-items:center;padding:0 18px;border-radius:10px;background:#eaf3ff;color:#114a9f;font-size:.86rem;font-style:normal;font-weight:750}.field-help{margin:9px 2px 0;color:var(--muted);font-size:.79rem}.file-summary{margin-top:12px;min-height:72px;padding:12px 14px;display:flex;align-items:center;gap:12px;border:1px solid rgba(96,165,250,.58);border-radius:14px;background:rgba(59,130,246,.09)}.file-summary[hidden]{display:none}.pdf-mark{width:42px;height:42px;display:grid;place-items:center;flex:none;border-radius:10px;background:rgba(255,116,116,.15);color:#ff9c9c;font-size:.68rem;font-weight:800}.file-copy{min-width:0;display:grid;flex:1}.file-copy strong{overflow:hidden;font-size:.91rem;text-overflow:ellipsis;white-space:nowrap}.file-copy small{margin-top:3px;color:var(--muted);font-size:.77rem}.icon-button{width:42px;height:42px;display:grid;place-items:center;flex:none;border:0;border-radius:10px;background:transparent;color:var(--muted);cursor:pointer}.icon-button:hover{color:#fff;background:rgba(255,255,255,.06)}
.order-fieldset{min-width:0;margin:0;padding:0;border:0}.order-fieldset legend{padding:0;font-weight:700}.order-fieldset>p{margin:3px 0 13px;color:var(--muted);font-size:.82rem}.order-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.order-option{cursor:pointer}.order-option input{position:absolute;opacity:0;pointer-events:none}.option-card{min-height:94px;position:relative;display:flex;align-items:center;gap:14px;padding:15px;border:1px solid var(--border);border-radius:14px;background:rgba(5,13,24,.4)}.order-option:hover .option-card{border-color:rgba(96,165,250,.4)}.order-option input:checked+.option-card{border-color:var(--light);background:rgba(59,130,246,.1)}.order-option input:focus-visible+.option-card{outline:3px solid rgba(96,165,250,.38);outline-offset:3px}.option-card>span:nth-child(2){min-width:0;display:grid}.option-card strong{font-size:.9rem}.option-card small{margin-top:2px;color:var(--muted);font-size:.72rem}.option-card>b{position:absolute;top:9px;right:10px;width:20px;height:20px;display:none;place-items:center;border-radius:50%;background:var(--blue);font-size:.68rem}.order-option input:checked+.option-card b{display:grid}.page-preview{width:58px;height:42px;display:flex;gap:3px;padding:4px;flex:none;border-radius:7px;background:rgba(148,176,216,.13)}.page-preview i{flex:1;display:grid;place-items:center;border-radius:3px;background:#dceaff;color:#17447e;font-size:.66rem;font-style:normal;font-weight:800}
.message{margin-top:18px;padding:12px 14px;display:flex;align-items:flex-start;gap:9px;border-radius:12px;font-size:.84rem}.message[hidden]{display:none}.error-message{border:1px solid rgba(255,116,116,.33);background:rgba(255,116,116,.1);color:#ffc3c3}.error-message svg{flex:none}.submit-button{width:100%;min-height:52px;margin-top:22px;border:0;border-radius:13px;background:linear-gradient(135deg,var(--blue),#2563eb);box-shadow:0 12px 28px rgba(37,99,235,.24);color:#fff;font-weight:750;cursor:pointer}.submit-button:not(:disabled):hover{filter:brightness(1.09);transform:translateY(-1px)}.submit-button:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}.button-idle,.button-busy{align-items:center;justify-content:center;gap:9px}.button-idle{display:flex}.button-busy:not([hidden]){display:flex}.button-busy i,.status-spinner{border-radius:50%;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;animation:spin .8s linear infinite}.button-busy i{width:18px;height:18px}
.status-panel,.success-panel{margin-top:22px;padding:18px;border-radius:15px}.status-panel{display:flex;align-items:center;gap:15px;border:1px solid rgba(96,165,250,.3);background:rgba(59,130,246,.085)}.status-panel[hidden],.success-panel[hidden]{display:none}.status-spinner{width:32px;height:32px;flex:none;border-width:3px;border-color:rgba(96,165,250,.22);border-top-color:var(--light)}.status-panel strong{font-size:.9rem}.status-panel p{margin:3px 0 0;color:var(--muted);font-size:.78rem}.success-panel{display:flex;align-items:flex-start;gap:14px;border:1px solid rgba(56,217,157,.3);background:rgba(56,217,157,.075)}.success-icon{width:48px;height:48px;display:grid;place-items:center;flex:none;border-radius:14px;background:rgba(56,217,157,.13);color:var(--green)}.success-copy{min-width:0;flex:1}.success-copy h3{margin:0;font-size:1.05rem}.success-copy p{margin:4px 0 15px;color:#b7c8d7;font-size:.82rem}.success-actions{display:flex;flex-wrap:wrap;gap:9px}.download-button,.secondary-button{min-height:42px;display:flex;align-items:center;justify-content:center;padding:0 16px;border-radius:10px;font-size:.82rem;font-weight:700;text-decoration:none;cursor:pointer}.download-button{border:0;background:#dffdf1;color:#06633f}.secondary-button{border:1px solid var(--border);background:transparent;color:#dce8f5}.privacy-note{margin-top:22px;display:flex;align-items:flex-start;gap:10px;color:var(--muted)}.privacy-note svg{flex:none;color:var(--light)}.privacy-note p{margin:0;font-size:.76rem}.privacy-note strong{color:#bed1e8}
.feature-row{margin:22px 0 70px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.feature-row article{display:flex;gap:11px;padding:18px;border:1px solid var(--border);border-radius:15px;background:rgba(13,27,47,.55)}.feature-row article>span{color:var(--light);font-size:.72rem;font-weight:800}.feature-row h2{margin:0;font-size:.88rem}.feature-row p{margin:3px 0 0;color:var(--muted);font-size:.74rem}footer{width:min(1120px,calc(100% - 40px));margin:auto;padding:24px 0 32px;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--border);color:#778ca8;font-size:.75rem}footer p{margin:0}footer nav{display:flex;gap:18px}footer a{text-decoration:none}footer a:hover{color:var(--light)}:focus-visible{outline:3px solid rgba(96,165,250,.58);outline-offset:3px}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:720px){.nav-shell{width:calc(100% - 24px);min-height:auto;padding:11px 0;align-items:flex-start;flex-direction:column;gap:8px}.brand small{display:none}.tool-nav{width:100%;overflow-x:auto;scrollbar-width:none}.tool-nav::-webkit-scrollbar{display:none}.tool-nav a{min-height:38px;padding:0 12px}main{width:calc(100% - 24px)}.hero{padding:48px 0 30px}.hero>p{font-size:.94rem}.flow{gap:6px;font-size:.72rem}.flow span{padding:5px 8px}.tool-heading{align-items:flex-start;flex-direction:column;gap:10px}.drop-zone{min-height:220px;padding:22px 16px}.order-options{grid-template-columns:1fr}.feature-row{grid-template-columns:1fr;margin-bottom:48px}footer{width:calc(100% - 24px);flex-direction:column}}@media(max-width:430px){.tool-card{padding:20px 16px;border-radius:19px}.success-panel{flex-direction:column}.success-actions{flex-direction:column}.download-button,.secondary-button{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}