/* Inline styles for how-it-works.html — preserved from original */

.hiw-hero{background:linear-gradient(135deg,#17012C 0%,#1a1035 55%,#2d1060 100%);padding:96px 0 72px;color:#fff;position:relative;overflow:hidden}
.hiw-hero::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:60px;background:#fff;clip-path:ellipse(55% 100% at 50% 100%)}
.hiw-hero h1{font-size:clamp(26px,4vw,46px);font-weight:800;line-height:1.15;margin-bottom:16px}
.hiw-hero h1 em{font-style:normal;color:#C6F806}
.chapter-nav{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.chapter-nav a{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.8);padding:7px 14px;border-radius:20px;font-size:13px;text-decoration:none;transition:.2s}
.chapter-nav a:hover{background:rgba(198,248,6,.15);border-color:rgba(198,248,6,.4);color:#C6F806}
.hiw-section.bg-light{background:#f9f8ff}
.section-tag{font-size:11px;font-weight:800;color:#6A47ED;text-transform:uppercase;letter-spacing:.1em;display:block;margin-bottom:10px}
.section-h2{font-size:clamp(22px,3vw,32px);font-weight:800;color:#1a1035;margin-bottom:14px;line-height:1.25}
.section-intro{font-size:15.5px;color:#555;line-height:1.85;margin-bottom:28px}
.chain-steps{display:flex;align-items:flex-end;gap:0;overflow-x:auto;padding-bottom:8px;flex-wrap:wrap}
.chain-step{min-width:110px;flex:1;display:flex;flex-direction:column;align-items:center;padding:0 4px;cursor:pointer}
.chain-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:10px;border:2px solid transparent;transition:.3s}
.chain-icon:hover,.chain-icon.active{transform:scale(1.1);border-color:#6A47ED;box-shadow:0 6px 20px rgba(106,71,237,.2)}
.chain-label{font-size:11px;font-weight:700;color:#1a1035;text-align:center;margin-bottom:3px}
.chain-sub{font-size:10px;color:#888;text-align:center}
.chain-detail{background:#f9f8ff;border:1px solid #e8e4f8;border-radius:12px;padding:22px 26px;margin-top:20px;display:none}
.chain-detail.active{display:block;animation:fadeSlide .3s ease}
@keyframes fadeSlide{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.chain-detail h3{font-size:16px;font-weight:700;color:#1a1035;margin-bottom:10px}
.chain-detail p{font-size:13.5px;color:#555;line-height:1.75;margin-bottom:10px}
.chain-detail ul{font-size:13.5px;color:#555;line-height:1.75;padding-left:16px;margin:0}
.layer-card{background:#fff;border:1px solid #e8e4f8;border-radius:16px;padding:28px 30px;margin-bottom:24px;position:relative;overflow:hidden}
.layer-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(180deg,#6A47ED,#C6F806)}
.layer-num{position:absolute;top:22px;right:26px;font-size:44px;font-weight:800;color:rgba(106,71,237,.06);line-height:1}
.layer-card h2{font-size:clamp(17px,2.2vw,22px);font-weight:800;color:#1a1035;margin-bottom:10px}
.layer-card > .intro{font-size:14.5px;color:#555;line-height:1.8;margin-bottom:20px}
.code-block{background:#1a1035;color:#e8e4f8;border-radius:10px;padding:18px 20px;font-family:monospace;font-size:12.5px;line-height:1.7;overflow-x:auto;margin:14px 0;position:relative}
.code-block .cmt{color:#6A47ED}
.code-block .key{color:#C6F806}
.code-block .val{color:#4ade80}
.code-copy{position:absolute;top:8px;right:8px;background:rgba(255,255,255,.1);border:none;color:#fff;font-size:10px;padding:3px 8px;border-radius:4px;cursor:pointer}
.auth-table{width:100%;border-collapse:collapse;font-size:13px}
.auth-table thead th{background:#1a1035;color:#fff;padding:11px 14px;text-align:left;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.auth-table tbody tr:nth-child(odd){background:#f9f8ff}
.auth-table tbody td{padding:10px 14px;border-bottom:1px solid #f0f0f8;vertical-align:top}
.auth-table tbody td:first-child{font-weight:700;color:#1a1035}
.process-step{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid #f0eef8}
.process-step:last-child{border-bottom:none}
.pstep-num{width:32px;height:32px;min-width:32px;background:linear-gradient(135deg,#6A47ED,#8b6eef);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#fff;margin-top:2px}
.pstep-content h4{font-size:14px;font-weight:700;color:#1a1035;margin-bottom:5px}
.pstep-content p{font-size:13px;color:#555;line-height:1.7;margin:0}
.isp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(195px,1fr));gap:14px}
.isp-card{background:#fff;border:1px solid #e8e4f8;border-radius:12px;padding:18px;text-align:center}
.isp-icon{font-size:26px;margin-bottom:8px}
.isp-name{font-size:13px;font-weight:700;color:#1a1035;margin-bottom:6px}
.isp-metric{font-size:11px;color:#888;margin-bottom:2px}
.isp-val{font-size:13px;font-weight:700;color:#6A47ED}
.bounce-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.bounce-card{border-radius:12px;padding:18px;border:1px solid transparent}
.bounce-card.permanent{background:#fff5f5;border-color:#fecaca}
.bounce-card.transient{background:#fffbeb;border-color:#fde68a}
.bounce-card.policy{background:#f0f9ff;border-color:#bae6fd}
.bounce-card.reputation{background:#fdf4ff;border-color:#e9d5ff}
.bounce-card.content{background:#f0fdf4;border-color:#bbf7d0}
.bounce-type{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:7px}
.bounce-card.permanent .bounce-type{color:#dc2626}
.bounce-card.transient .bounce-type{color:#d97706}
.bounce-card.policy .bounce-type{color:#0284c7}
.bounce-card.reputation .bounce-type{color:#7c3aed}
.bounce-card.content .bounce-type{color:#16a34a}
.bounce-card h4{font-size:13px;font-weight:700;color:#1a1035;margin-bottom:7px}
.bounce-card p{font-size:12px;color:#555;line-height:1.6;margin-bottom:8px}
.bounce-card .examples{font-size:10.5px;color:#888;font-family:monospace;background:rgba(0,0,0,.04);padding:5px 8px;border-radius:5px}
.week-timeline{display:flex;flex-direction:column;gap:0}
.week-item{display:grid;grid-template-columns:90px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid #f0eef8;align-items:start}
.week-item:last-child{border-bottom:none}
.week-label{font-size:11px;font-weight:800;color:#6A47ED;background:#f3efff;padding:5px 8px;border-radius:7px;text-align:center}
.week-content h4{font-size:13.5px;font-weight:700;color:#1a1035;margin-bottom:4px}
.week-content p{font-size:12.5px;color:#555;line-height:1.65;margin:0}
.compare-table{width:100%;border-collapse:collapse}
.compare-table thead th{padding:11px 14px;text-align:left;font-size:13px;font-weight:700}
.compare-table thead th:first-child{background:#f9f8ff;color:#333;min-width:160px}
.compare-table thead th:nth-child(2){background:#1a1035;color:#fff}
.compare-table thead th:nth-child(3){background:#6A47ED;color:#fff}
.compare-table tbody tr{border-bottom:1px solid #f0f0f8}
.compare-table tbody tr:hover{background:#faf9ff}
.compare-table tbody td{padding:10px 14px;font-size:12.5px;color:#444;vertical-align:top}
.compare-table tbody td:first-child{font-weight:600;color:#1a1035}
.faq-item{border:1px solid #e8e4f8;border-radius:10px;margin-bottom:9px;overflow:hidden}
.faq-q{padding:15px 18px;background:#fff;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:14.5px;font-weight:600;color:#1a1035;user-select:none;transition:background .2s}
.faq-q:hover{background:#f9f8ff}
.faq-q.open{background:#f3efff;color:#6A47ED}
.faq-icon{transition:transform .3s;color:#6A47ED;font-size:12px;flex-shrink:0;margin-left:10px}
.faq-q.open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a.open{max-height:600px;padding:0 18px 16px}
.faq-a p{font-size:13.5px;color:#555;line-height:1.75;margin:0}
.faq-a p+p{margin-top:10px}
.metric-strip{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.metric-badge{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #e8e4f8;border-radius:10px;padding:11px 15px}
.mb-val{font-size:18px;font-weight:800;color:#6A47ED;line-height:1}
.mb-lbl{font-size:11px;color:#888;font-weight:600;line-height:1.3}
.hiw-sidebar{position:sticky;top:96px}
.snav{background:#fff;border:1px solid #e8e4f8;border-radius:12px;padding:16px}
.snav h4{font-size:10px;font-weight:700;color:#aaa;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}
.snav ul{list-style:none;padding:0;margin:0}
.snav ul li a{display:block;padding:6px 9px;font-size:12.5px;color:#444;text-decoration:none;border-radius:5px;border-left:2px solid transparent;transition:.2s}
.snav ul li a:hover,.snav ul li a.active{background:#f3efff;color:#6A47ED;font-weight:600;border-left-color:#6A47ED}
@media(max-width:992px){.hiw-sidebar{position:static;margin-bottom:24px}}
@media(max-width:576px){.week-item{grid-template-columns:1fr;gap:6px}.chain-step{min-width:80px}}