:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#17211d;--muted:#61706b;--line:#d7e0db;--surface:#fff;--soft:#f4f8f6;--accent:#0f7b68;--accent-strong:#07594b;--warn:#9f3f1d}*{box-sizing:border-box}body{color:var(--ink);background:linear-gradient(#f6faf8 0%,#eef5f2 100%);margin:0;font-family:Arial,Microsoft YaHei,sans-serif}button,input,select,textarea{font:inherit}.page-shell{min-height:100vh;position:relative}.language-switcher{z-index:5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0a2d278a;border:1px solid #ffffff5c;border-radius:8px;gap:6px;padding:5px;display:flex;position:absolute;top:18px;right:clamp(16px,4vw,48px)}.language-switcher button{color:#fff;cursor:pointer;background:0 0;border:0;border-radius:6px;min-width:42px;min-height:34px;font-weight:700}.language-switcher button.active{color:var(--accent-strong);background:#fff}.hero{color:#fff;background:linear-gradient(90deg,#082e28eb,#082e288c),url(https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1800&q=80) 50%/cover;align-items:end;min-height:330px;padding:56px clamp(20px,6vw,76px) 42px;display:flex}.hero>div{max-width:820px}.eyebrow{color:#bbe7dc;letter-spacing:0;text-transform:uppercase;margin:0 0 14px;font-size:.86rem;font-weight:700}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;margin-bottom:18px;font-size:clamp(2rem,4vw,4.6rem);line-height:1.04}.heroLogoWrap{background:#fffffff0;border-radius:22px;width:100%;max-width:1120px;margin-bottom:22px;padding:18px 22px;display:inline-block;box-shadow:0 12px 30px #0000002e}.heroLogo{width:100%;height:auto;display:block}.hero-copy{color:#e8f6f2;max-width:700px;margin-bottom:0;font-size:1.15rem;line-height:1.7}.hero-flow{color:#e8f6f2;gap:10px;max-width:860px;display:grid}.hero-flow-title{color:#bbe7dc;margin-bottom:0;font-size:.98rem;font-weight:800}.hero-flow-steps{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.hero-flow-step{color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ffffff1a;border:1px solid #bbe7dc57;border-radius:999px;align-items:center;gap:8px;padding:8px 12px;font-size:clamp(1rem,2vw,1.22rem);font-weight:800;line-height:1.35;display:inline-flex}.hero-flow-step b{color:#bbe7dc;font-size:1rem}.hero-flow-helper{color:#e8f6f2;max-width:680px;margin-bottom:0;font-size:1rem;line-height:1.65}.workspace{grid-template-columns:minmax(0,1.25fr) minmax(360px,.75fr);gap:24px;width:min(1440px,100%);margin:0 auto;padding:28px clamp(16px,4vw,48px) 48px;display:grid}.workspace.single-column{grid-template-columns:minmax(0,960px);justify-content:center}.panel{border:1px solid var(--line);background:var(--surface);border-radius:8px;box-shadow:0 18px 55px #102d2414}.form-panel,.result-panel{padding:clamp(18px,3vw,30px)}.result-panel{align-self:start;position:sticky;top:18px}.section-heading{border-bottom:1px solid var(--line);justify-content:space-between;gap:20px;margin-bottom:22px;padding-bottom:16px;display:flex}.section-heading h2{margin-bottom:0;font-size:1.35rem}.section-heading p{color:var(--muted);text-align:right;margin-bottom:0;font-size:.94rem}.subsection{border-top:1px solid var(--line);margin-top:28px;padding-top:22px}.subsection h3{margin-bottom:18px;font-size:1.05rem}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.form-grid-top{margin-top:18px}.form-split{grid-template-columns:minmax(280px,.38fr) minmax(0,.62fr);align-items:start;gap:clamp(16px,3vw,28px);display:grid}.form-split-left,.form-split-right{gap:14px;display:grid}.service-card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.service-card{border:1px solid var(--line);min-height:66px;color:var(--ink);cursor:pointer;text-align:center;background:#fff;border-radius:8px;padding:14px;font-weight:700;transition:transform .16s,border-color .16s,box-shadow .16s,background .16s}.service-card:hover{border-color:#0f7b6873;transform:translateY(-1px);box-shadow:0 10px 28px #102d2414}.service-card.active{border-color:var(--accent);color:var(--accent-strong);background:#e6f5f0;box-shadow:inset 0 0 0 1px #0f7b6859}.usage-card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.usage-card-grid.compact{grid-template-columns:1fr}.usage-card{border:1px solid var(--line);color:var(--ink);text-align:left;cursor:pointer;background:#fff;border-radius:8px;padding:12px;transition:transform .16s,border-color .16s,box-shadow .16s,background .16s}.usage-card strong{margin-bottom:6px;font-size:.96rem;display:block}.usage-card span{color:var(--muted);font-size:.86rem;line-height:1.45;display:block}.usage-card:hover{border-color:#0f7b6873;transform:translateY(-1px);box-shadow:0 10px 28px #102d2414}.usage-card.active{border-color:var(--accent);background:#e6f5f0;box-shadow:inset 0 0 0 1px #0f7b6859}.field{color:var(--muted);gap:8px;font-size:.9rem;display:grid}.field-full{margin-top:16px}input,select,textarea{width:100%;min-height:46px;color:var(--ink);background:#fff;border:1px solid #c9d6d0;border-radius:8px;outline:none;padding:10px 12px}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0f7b6824}.chip-grid{flex-wrap:wrap;gap:8px;display:flex}.chip,.action-row button{border:1px solid var(--line);background:var(--soft);min-height:38px;color:var(--ink);cursor:pointer;border-radius:8px;padding:8px 12px}.chip.active{border-color:var(--accent);color:var(--accent-strong);background:#dff2ed;font-weight:700}.submit-button{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:8px;width:100%;min-height:52px;margin-top:28px;font-weight:700}.submit-button:disabled{cursor:not-allowed;opacity:.55}.loading,.empty-state,.error,.success{border-radius:8px;margin-bottom:12px;padding:18px;line-height:1.7}.loading,.empty-state{background:var(--soft);color:var(--muted)}.error{color:var(--warn);background:#fff0eb}.success{color:#17644f;background:#e8f7f0}.report{white-space:pre-wrap;max-height:650px;color:var(--ink);background:#f7fbf9;border-radius:8px;padding:18px;font-family:Arial,Microsoft YaHei,sans-serif;line-height:1.78;overflow:auto}.result-stack{gap:20px;display:grid}.score-summary{border:1px solid var(--line);background:linear-gradient(#fff,#f6faf8);border-radius:8px;gap:12px;padding:clamp(16px,3vw,24px);display:grid}.score-summary-row{background:#fff;border-radius:8px;grid-template-columns:minmax(0,1fr) clamp(280px,30vw,340px);align-items:center;gap:clamp(24px,4vw,56px);padding:18px clamp(48px,6vw,72px) 18px 18px;display:grid}.summary-copy{align-items:center;gap:14px;display:flex}.summary-icon{width:38px;height:38px;color:var(--accent-strong);background:#e6f5f0;border-radius:50%;flex:none;place-items:center;font-weight:800;display:grid}.summary-copy h3{margin-bottom:4px;font-size:1.02rem}.summary-copy p{color:var(--muted);margin-bottom:0;line-height:1.5}.summary-value{width:100%;min-width:0;color:var(--accent-strong);text-align:center;justify-content:center;justify-self:stretch;align-items:center;font-size:clamp(2.1rem,6vw,3.4rem);line-height:1;display:flex}.savings-value{font-size:clamp(1.3rem,3vw,2rem)}.score-summary.excellent{background:linear-gradient(#fff,#eef8f3);border-color:#0f7b6847}.score-summary.excellent .summary-icon{color:#0f7b68;background:#dff4eb}.score-summary.excellent .summary-value{color:#0f7b68}.score-summary.healthy{background:linear-gradient(#fff,#f3faf6);border-color:#2a9a7838}.score-summary.healthy .summary-icon{color:#287b5c;background:#e9f6ef}.score-summary.healthy .summary-value{color:#287b5c}.score-summary.medium{background:linear-gradient(#fff,#fff8ed);border-color:#d9952452}.score-summary.medium .summary-icon{color:#a8650d;background:#fff0d8}.score-summary.medium .summary-value{color:#a8650d}.score-summary.alert{background:linear-gradient(#fff,#fff1ec);border-color:#d65a3257}.score-summary.alert .summary-icon{color:#9f3f1d;background:#ffe1d6}.score-summary.alert .summary-value{color:#9f3f1d}.score-box{color:#fff;border-radius:8px;padding:22px}.score-box.healthy{background:linear-gradient(135deg,#0f7b68,#2a9a78)}.score-box.medium{background:linear-gradient(135deg,#a8650d,#d99524)}.score-box.alert{background:linear-gradient(135deg,#9f3f1d,#d65a32)}.score-box div{justify-content:space-between;align-items:end;gap:16px;display:flex}.score-box .savings-line{border-top:1px solid #ffffff40;align-items:center;margin-top:18px;padding-top:16px}.score-box .savings-line strong{font-size:clamp(1.4rem,4vw,2.2rem);line-height:1.1}.score-box span{font-size:.98rem;font-weight:700}.score-box strong{font-size:clamp(2.6rem,6vw,4.4rem);line-height:.95}.score-box p{color:#ffffffe6;margin:14px 0 0;line-height:1.65}.plan-list{gap:14px;display:grid}.plan-card{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;padding:18px}.plan-card p{color:var(--muted);margin-bottom:10px;line-height:1.6}.plan-card p:last-child{margin-bottom:0}.plan-card b{color:var(--ink)}.price-with-badges{flex-wrap:wrap;align-items:center;gap:8px 12px;margin-bottom:10px;display:flex}.price-with-badges p{margin-bottom:0}.badge-row{flex-wrap:wrap;gap:8px;display:flex}.badge-row span{color:var(--accent-strong);background:#eef8f4;border:1px solid #c6e3d9;border-radius:999px;padding:4px 9px;font-size:.78rem;font-weight:700;line-height:1.25}.premium-cta-wrap{gap:8px;margin-top:16px;display:grid}.premium-cta{color:#fff;cursor:pointer;background:linear-gradient(135deg,#0f7b68,#e0a93f);border:0;border-radius:999px;justify-self:start;min-height:44px;padding:10px 18px;font-weight:800;transition:transform .16s,box-shadow .16s,filter .16s;box-shadow:0 12px 26px #0f7b683d}.premium-cta:hover{filter:saturate(1.08);transform:translateY(-2px);box-shadow:0 16px 34px #0f7b6852}.premium-cta:active{transform:translateY(0);box-shadow:0 8px 18px #0f7b6833}.premium-cta-wrap small{color:var(--muted);line-height:1.5}.caution-box{background:#fff8ed;border:1px solid #efd3a2;border-radius:8px;padding:18px}.caution-box h3{margin-bottom:12px}.caution-box ul{color:var(--muted);margin:0;padding-left:20px;line-height:1.7}.disclaimer{color:var(--muted);margin:20px 0;font-size:.9rem;line-height:1.6}.action-row{grid-template-columns:1fr 1fr;gap:10px;display:grid}.action-row button{background:#fff;font-weight:700}.modal-backdrop{z-index:20;background:#0c1c187a;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.modal{width:min(760px,100%);max-height:min(760px,100vh - 36px);padding:clamp(18px,3vw,30px);overflow:auto}.result-modal{width:min(980px,100%)}.lead-modal{max-height:min(680px,100vh - 28px);padding:clamp(16px,2.4vw,24px)}.lead-modal .section-heading{margin-bottom:14px;padding-bottom:12px}.lead-modal .grid{gap:10px 14px}.lead-modal .field{margin-top:8px}.lead-modal .grid .field:last-child{grid-column:1/-1}.lead-modal .submit-button,.modal .field{margin-top:16px}.modal-close{border:1px solid var(--line);width:38px;height:38px;color:var(--ink);cursor:pointer;background:#fff;border-radius:8px;flex:none;font-size:1.35rem;line-height:1}.trust-box{background:#f0faf6;border:1px solid #c9e4dc;border-radius:8px;margin-bottom:12px;padding:12px 14px}.trust-box strong{color:var(--accent-strong);margin-bottom:6px;font-size:.94rem;display:block}.trust-box ol{color:var(--muted);margin:0;padding-left:20px;font-size:.88rem;line-height:1.45}.trust-box li+li{margin-top:3px}.trust-box p{color:var(--muted);margin-bottom:0;line-height:1.7}.success-modal{text-align:center;width:min(430px,100%);padding:26px}.success-icon{width:52px;height:52px;color:var(--accent-strong);background:#e6f5f0;border-radius:50%;place-items:center;margin:0 auto 14px;font-size:1.6rem;font-weight:900;display:grid}.success-modal h2{margin-bottom:10px}.success-modal p{color:var(--ink);line-height:1.65}.success-modal small{color:var(--muted);line-height:1.55;display:block}.group-section{text-align:center;width:min(860px,100% - 32px);margin:0 auto 42px;padding:26px clamp(18px,4vw,42px)}.group-section.in-modal{border:1px solid var(--line);background:#fbfdfc;border-radius:8px;width:100%;margin:0}.group-section h2{margin-bottom:12px;font-size:clamp(1.4rem,3vw,2rem)}.group-section p{color:var(--muted);line-height:1.8}.qr-placeholder{aspect-ratio:1;width:min(240px,80vw);color:var(--muted);background:linear-gradient(45deg,#0f7b680f 25%,#0000 25%),linear-gradient(-45deg,#0f7b680f 25%,#0000 25%),#fff;border:2px dashed #b7c7c1;border-radius:8px;place-items:center;margin:22px auto 0;font-weight:700;display:grid}.site-footer{width:min(1440px,100%);color:var(--muted);margin:0 auto;padding:0 clamp(16px,4vw,48px) 42px;font-size:.9rem;line-height:1.7}@media (max-width:980px){.workspace{grid-template-columns:1fr}.result-panel{position:static}.form-split{grid-template-columns:1fr}}@media (max-width:768px){.heroLogoWrap{border-radius:16px;margin-bottom:16px;padding:12px 14px}}@media (max-width:640px){.language-switcher{top:12px;right:12px}.language-switcher button{min-width:36px}.hero{min-height:360px;padding-top:42px}.grid,.action-row,.service-card-grid,.usage-card-grid,.score-summary-row{grid-template-columns:1fr}.score-summary-row{gap:16px;padding:18px}.section-heading{display:block}.section-heading p{text-align:left;margin-top:8px}}