:root{--svc-ink:#14213d;--svc-muted:#53667b;--svc-line:#dce7ef;--svc-soft:#f4f9fc;--svc-accent:#087f8c;--svc-blue:#0b6aa2;--svc-white:#fff;--svc-shadow:0 18px 48px rgba(15,35,58,.08)}
.service-page{min-height:70vh;padding-bottom:72px;background:linear-gradient(180deg,#eef8fb 0,#f8fbfd 250px,#fff 680px);color:var(--svc-ink)}
.service-page *{box-sizing:border-box}.service-page .wrap{width:100%;max-width:1170px;margin:0 auto;padding-left:15px;padding-right:15px}
.service-hero{padding:44px 0 36px;background:radial-gradient(circle at 12% 0,rgba(20,184,166,.13),transparent 32%),radial-gradient(circle at 86% 10%,rgba(14,116,144,.12),transparent 30%)}
.service-hero-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(250px,.8fr);gap:32px;align-items:center}.service-kicker{display:inline-block;color:var(--svc-accent);font-size:.77rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase}
.service-hero h1{margin:.55rem 0 .7rem;line-height:1.08;letter-spacing:-.035em}.service-lead{max-width:780px;margin:0;color:#506278;font-size:1.06rem;line-height:1.75}
.service-photo-placeholder{display:flex;min-height:170px;padding:25px;flex-direction:column;justify-content:center;border:1px solid rgba(8,127,140,.18);border-radius:24px;background:linear-gradient(135deg,#fff,#e8f7f8);box-shadow:var(--svc-shadow)}
.service-photo-placeholder strong{font-size:1.45rem}.service-photo-placeholder span{margin-top:6px;color:var(--svc-muted)}.service-photo-placeholder .btn{margin-top:20px;align-self:flex-start}.service-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.service-page .btn{display:inline-flex;min-height:43px;padding:10px 18px;align-items:center;justify-content:center;border:1px solid transparent;border-radius:12px;font-weight:800;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}.service-page .btn:hover{transform:translateY(-1px)}
.service-page .btn-primary{background:linear-gradient(135deg,var(--svc-accent),var(--svc-blue));color:#fff;box-shadow:0 9px 20px rgba(8,127,140,.18)}.service-page .btn-ghost{border-color:#b9cbd6;background:#fff;color:var(--svc-blue)}.service-page .btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.service-category-sections,.service-page>.wrap{padding-top:30px}.service-section-head{margin-bottom:18px}.service-section-head h2,.tools-result-head h2{margin:0 0 7px;line-height:1.25}.service-section-head p,.tools-result-head p{margin:0;color:var(--svc-muted);line-height:1.65}
.service-category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.service-category-card,.tools-form-shell,.tools-result-card{border:1px solid var(--svc-line);border-radius:24px;background:#fff;box-shadow:var(--svc-shadow)}
.service-category-card{position:relative;padding:24px;transition:transform .18s,border-color .18s}.service-category-card:hover{transform:translateY(-3px);border-color:#83c5cb}.service-category-card h4{margin:0 0 10px;font-size:1.1rem}.service-category-card p{margin:0;color:var(--svc-muted);line-height:1.65}.inline-dashed-link{color:var(--svc-ink);text-decoration:none;border-bottom:1px dashed #75aeb5}.inline-dashed-link:hover{color:var(--svc-accent)}
.tools-card-badge{display:inline-block;margin-bottom:10px;padding:4px 9px;border-radius:999px;background:#fff4d8;color:#865b00;font-size:.72rem;font-weight:800}.tools-form-shell,.tools-result-card{padding:26px 28px}.tools-result-card{margin-top:24px}.tools-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:end}.tools-field{display:flex;min-width:0;flex-direction:column;gap:7px;color:var(--svc-ink);font-weight:700}.tools-field input,.tools-field select,.tools-field textarea,.tools-select{width:100%;min-height:46px;padding:10px 12px;border:1px solid var(--svc-line);border-radius:12px;background:var(--svc-soft);color:var(--svc-ink);font:inherit;outline:none}.tools-field textarea{min-height:120px;resize:vertical}.tools-field input:focus,.tools-field select:focus,.tools-field textarea:focus{border-color:#5bb6c0;box-shadow:0 0 0 3px rgba(8,127,140,.1)}.tools-form-actions{display:flex;flex-wrap:wrap;gap:10px}
.service-subcategory-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}.service-subcategory-empty{padding:18px 20px;border:1px solid var(--svc-line);border-radius:15px;background:#f8fbfd;min-width:0}.service-subcategory-empty strong{color:var(--svc-ink)}.service-subcategory-empty p{margin:.5rem 0 0;color:var(--svc-muted);line-height:1.65;word-break:break-word}.tools-result-head{margin-bottom:17px}.tools-result-output{max-height:460px;overflow:auto;padding:18px;border-radius:14px;background:#112238;color:#d9f5f1;white-space:pre-wrap;word-break:break-word}
.tool-alert{margin:0 0 18px;padding:13px 16px;border:1px solid #9fcad0;border-radius:12px;background:#eff9f9;color:#245766}.tool-alert-error{border-color:#efb7b7;background:#fff5f5;color:#913d3d}.tool-alert-warning{border-color:#ead59c;background:#fff9e8;color:#765a13}.tool-alert-info{border-color:#a9cbe4;background:#f0f7fc;color:#245678}
.bandwidth-controls{display:flex;gap:10px;margin-bottom:18px}.bandwidth-progress{height:12px;margin:16px 0 7px;overflow:hidden;border-radius:999px;background:#e4edf2}.bandwidth-progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--svc-accent),var(--svc-blue));transition:width .2s}.bandwidth-progress-meta,.bandwidth-comparison-row{display:flex;justify-content:space-between;gap:16px;color:var(--svc-muted)}.bandwidth-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:20px}.bandwidth-stat-card{padding:18px;border:1px solid var(--svc-line);border-radius:16px;background:#f8fbfd}.bandwidth-stat-label,.bandwidth-stat-note,.bandwidth-stat-subnote{color:var(--svc-muted);font-size:.8rem}.bandwidth-stat-value{margin:8px 0;color:var(--svc-ink);font-size:1.7rem;font-weight:800}.bandwidth-comparison{display:grid;gap:10px}.bandwidth-comparison-row{padding:10px 12px;border-radius:10px;background:#f4f8fa}.bandwidth-comparison-row-user{background:#e8f7f8;color:var(--svc-ink);font-weight:800}.bandwidth-breakdown{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}
@media(max-width:780px){.service-hero{padding:30px 0 25px}.service-hero-grid{grid-template-columns:1fr}.service-photo-slot{display:none}.tools-form{grid-template-columns:1fr!important}.bandwidth-stats-grid{grid-template-columns:repeat(2,1fr)}.bandwidth-breakdown{grid-template-columns:1fr}.tools-form-shell,.tools-result-card{padding:20px;border-radius:18px}.service-page>.wrap{padding-top:20px}}
@media(max-width:480px){.bandwidth-stats-grid{grid-template-columns:1fr}.service-category-grid,.service-subcategory-list{grid-template-columns:1fr}.service-page .btn{width:100%}}