/* Blacksea 4.7: only two pre-existing blog posts. All rules scoped. */
.bsseo-guide{--bsg-navy:#092a4f;--bsg-blue:#0ca9e7;--bsg-ink:#10335e;--bsg-mute:#536e8a;--bsg-border:#cfe3f3;--bsg-radius:22px;box-sizing:border-box;color:var(--bsg-ink);font-size:16px;line-height:1.62;width:100%;max-width:1200px;margin:22px auto 45px;font-family:inherit}
.bsseo-guide *, .bsseo-guide *:before, .bsseo-guide *:after{box-sizing:border-box}
.bsseo-guide h2,.bsseo-guide h3,.bsseo-guide p,.bsseo-guide ul,.bsseo-guide ol{margin-top:0}
.bsseo-guide h2{color:#0b315b;font-size:clamp(25px,3vw,39px);line-height:1.18;letter-spacing:-.025em;margin-bottom:14px;font-weight:800}
.bsseo-guide h3{font-size:20px;line-height:1.24;font-weight:750;color:#11375f;margin-bottom:12px}
.bsseo-guide p{font-size:16px;line-height:1.7;color:var(--bsg-mute);margin-bottom:15px}
.bsseo-guide button,.bsseo-guide input{font:inherit}
.bsseo-guide button{cursor:pointer}
.bsseo-guide a{transition:opacity .15s,box-shadow .18s,transform .18s;text-decoration:none!important}
.bsseo-guide a:focus-visible,.bsseo-guide button:focus-visible,.bsseo-guide input:focus-visible,.bsseo-guide summary:focus-visible{outline:3px solid #ffb233;outline-offset:3px}
.bsseo-guide [hidden]{display:none!important}
.bsg-hero{position:relative;overflow:hidden;isolation:isolate;border-radius:27px;padding:clamp(26px,4vw,54px);background:radial-gradient(circle at 86% 18%,#2055b9 0%,transparent 37%),radial-gradient(circle at 15% 98%,#215c9c 0%,transparent 49%),linear-gradient(125deg,#071d37,#0a3262 74%,#042b50);color:#fff;display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,.88fr);gap:22px;box-shadow:0 18px 38px rgba(2,35,70,.18)}
.bsg-hero::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:32px 32px}
.bsg-hero-copy{position:relative;z-index:2;min-width:0}
.bsg-eyebrow,.bsg-kicker{font-size:12px;letter-spacing:1.4px;text-transform:uppercase;font-weight:800;color:#12bdf8;display:inline-block;margin-bottom:14px}
.bsg-eyebrow{color:#69e3ff;background:rgba(13,145,213,.13);border:1px solid rgba(87,196,252,.36);border-radius:24px;padding:7px 14px}
.bsseo-guide .bsg-hero h2{color:#fff;font-size:clamp(32px,4.6vw,56px);line-height:1.08;letter-spacing:-.038em;max-width:590px;margin:12px 0 19px}
.bsseo-guide .bsg-hero p{font-size:17px;color:#d2e9ff;max-width:580px;margin-bottom:24px}
.bsg-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:11px;margin:15px 0 24px}
.bsseo-guide .bsg-btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:46px;border-radius:12px;padding:11px 20px;font-size:15px;font-weight:750;text-decoration:none!important;border:1px solid transparent;text-align:center;white-space:normal;line-height:1.3}
.bsseo-guide .bsg-btn:hover{opacity:.92;transform:translateY(-2px)}
.bsseo-guide .bsg-btn-primary{background:linear-gradient(130deg,#06b3ed,#1278ed);color:#fff;border-color:rgba(255,255,255,.25);box-shadow:0 10px 24px rgba(0,129,247,.23)}
.bsseo-guide .bsg-btn-ghost{border-color:#78b9ed;color:#fff;background:rgba(5,40,77,.24)}
.bsseo-guide .bsg-btn-white{background:#fff;color:#0a528e;width:100%;margin-top:18px}
.bsg-hero-tags{display:flex;flex-wrap:wrap;gap:7px}
.bsg-hero-tags span{display:inline-block;border:1px solid rgba(149,218,255,.2);border-radius:9px;background:rgba(255,255,255,.07);padding:6px 11px;color:#d5edff;font-size:12px;font-weight:700}
.bsg-hero-art{position:relative;height:290px;align-self:center;min-width:0}
.bsg-orbit{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border:1px solid rgba(63,195,255,.31);border-radius:50%;box-shadow:0 0 45px rgba(35,162,241,.12)}
.bsg-orbit-one{width:245px;height:245px}.bsg-orbit-two{width:330px;height:330px;border-style:dashed;opacity:.65}
.bsg-network-core,.bsg-network-node{position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.12;font-size:38px;color:#a7e6ff;background:linear-gradient(135deg,#092c59,#0e4d89);border:1px solid #399fe0;border-radius:19px;box-shadow:0 0 27px rgba(1,158,251,.25)}
.bsg-network-core small,.bsg-network-node small{font-size:10px;font-weight:800;letter-spacing:1px;color:#c5eaff;margin-top:6px}
.bsg-network-core{width:150px;height:150px;left:calc(50% - 75px);top:calc(50% - 75px);font-size:74px;color:#4ce0ff}
.bsg-network-node{width:86px;height:86px;font-size:32px}.bsg-network-node.node-a{top:7px;left:5%}.bsg-network-node.node-b{right:0;top:28px}.bsg-network-node.node-c{bottom:0;right:9%}
.bsg-hero-checklist{position:relative;z-index:2;grid-column:1/-1;border-radius:17px;background:rgba(7,39,76,.6);border:1px solid rgba(155,213,251,.22);padding:16px 21px}
.bsg-hero-checklist strong{display:block;font-size:15px;margin-bottom:6px;color:#fff}
.bsg-hero-checklist ol{display:grid;grid-template-columns:1fr 1fr;gap:4px 20px;list-style:none;counter-reset:step;margin:0;padding:0}
.bsg-hero-checklist li{font-size:13px;color:#cfecff;padding:2px 0;counter-increment:step}
.bsg-hero-checklist li:before{content:counter(step) ".";color:#5bdaff;font-weight:900;margin-right:9px}
.bsg-pills{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:19px 0 38px}
.bsg-pills span{background:#e8f7fd;border-radius:30px;padding:7px 14px;color:#2672a5;font-size:13px;font-weight:650}
.bsg-section{margin:46px 0 56px;scroll-margin-top:90px;clear:both}
.bsg-section-heading{max-width:850px;margin-bottom:24px}
.bsg-section-heading p{font-size:16px;max-width:850px}
.bsg-profiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}
.bsseo-guide .bsg-profile{appearance:none;border:1.5px solid var(--bsg-border);border-radius:17px;padding:19px 13px;background:#fff;color:var(--bsg-ink);text-align:left;min-height:130px;display:flex;flex-direction:column;align-items:flex-start;gap:3px;line-height:1.35;box-shadow:none}
.bsseo-guide .bsg-profile:hover{transform:translateY(-2px);border-color:#2fb5ec}
.bsseo-guide .bsg-profile.is-active{border-color:#05a8ed;background:linear-gradient(150deg,#ecfaff,#dff3ff);box-shadow:0 7px 18px rgba(15,144,217,.13)}
.bsg-profile-icon{font-size:29px;color:#0aa7df;margin-bottom:4px}.bsseo-guide .bsg-profile strong{font-size:15px;font-weight:800}.bsseo-guide .bsg-profile small{font-size:12px;color:#66829b;line-height:1.5}
.bsg-picker-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(235px,.85fr);gap:17px}
.bsg-picker-inputs,.bsg-picker-result,.bsg-tech-card,.bsg-location-card,.bsg-backup-controls,.bsg-backup-answer{border-radius:var(--bsg-radius);border:1px solid var(--bsg-border)}
.bsg-picker-inputs{padding:clamp(18px,3vw,30px);background:#f6fbfe}
.bsg-range-row{margin:0 0 23px}.bsg-range-row label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:15px;color:#103a65;font-weight:750;margin-bottom:10px}.bsg-range-row output{display:inline-block;min-width:45px;text-align:right;white-space:nowrap;color:#067fc4;font-weight:850}
.bsseo-guide input[type=range]{appearance:none;width:100%;display:block;height:8px;cursor:pointer;background:linear-gradient(90deg,#18aee8,#b3e3f6);border-radius:50px;border:0;margin:12px 0}
.bsseo-guide input[type=range]::-webkit-slider-thumb{appearance:none;width:21px;height:21px;border-radius:50%;background:#057fcd;border:3px solid white;box-shadow:0 1px 5px #568ca8}
.bsseo-guide input[type=range]::-moz-range-thumb{width:17px;height:17px;border-radius:50%;background:#057fcd;border:3px solid #fff;box-shadow:0 1px 5px #568ca8}
.bsg-checkbox{display:flex;gap:10px;align-items:center;cursor:pointer;font-size:14px;font-weight:700;color:#173f68;margin:8px 0 14px}.bsseo-guide .bsg-checkbox input{width:19px;height:19px;accent-color:#028bdb;flex:none}
.bsseo-guide .bsg-help{font-size:13px;color:#6e879b;line-height:1.65;margin:8px 0 0}
.bsg-picker-result{padding:clamp(21px,3vw,33px);background:linear-gradient(150deg,#084a91,#071f44);color:#fff;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.bsg-picker-result small{color:#afe9ff;font-size:13px}.bsg-result-speed{display:flex;align-items:baseline;gap:8px;margin:6px 0 11px;white-space:nowrap}.bsg-result-speed strong{font-size:clamp(54px,7vw,80px);font-weight:850;line-height:1.1}.bsg-result-speed span{font-size:20px;font-weight:800;color:#74e4ff}
.bsg-speed-meter{height:9px;overflow:hidden;width:100%;border-radius:20px;background:rgba(255,255,255,.18);margin:14px 0 13px}.bsg-speed-meter span{display:block;height:100%;background:linear-gradient(90deg,#42e2e6,#99ffcb);border-radius:inherit;transition:width .3s}
.bsseo-guide .bsg-picker-result p{color:#e0f1ff;line-height:1.62;font-size:15px;margin-bottom:12px}.bsseo-guide .bsg-picker-result .bsg-result-caution{color:#9acbec}
.bsg-tech-card{background:#f7fbff;padding:24px 24px 28px}.bsg-tabs{display:flex;gap:8px;margin-bottom:21px;flex-wrap:wrap}.bsseo-guide .bsg-tabs button{background:#fff;border:1px solid #bad6e8;border-radius:12px;color:#154671;padding:11px 22px;font-weight:800}.bsseo-guide .bsg-tabs button.is-active{background:#0b76b6;border-color:#0b76b6;color:white}
.bsg-tech-content{display:grid;grid-template-columns:90px 1fr;gap:16px;align-items:start}.bsg-tech-icon{width:77px;height:77px;border-radius:21px;background:linear-gradient(140deg,#c1f1ff,#e0f3ff);display:flex;align-items:center;justify-content:center;color:#027ec2;font-size:41px}.bsg-tech-content ul{margin:8px 0 0 0;padding:0;list-style:none}.bsg-tech-content li{position:relative;padding:4px 0 4px 27px;color:#285478;font-size:14px}.bsg-tech-content li:before{content:"✓";position:absolute;left:0;color:#0095ce;font-weight:900}
.bsg-location-card{margin-top:19px;padding:24px;background:#fff}.bsg-location-card>div:first-child{margin-bottom:16px}
.bsg-location-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.bsseo-guide .bsg-location-links a{display:grid;grid-template-columns:26px 1fr 14px;grid-template-rows:auto auto;gap:0 8px;align-items:center;padding:15px 12px;border-radius:14px;border:1px solid #d8e9f5;color:#14517d;background:#f7fbff}.bsseo-guide .bsg-location-links a:hover{border-color:#049ce2;background:#effbff;transform:translateY(-2px)}.bsg-location-links a>span:first-child{grid-row:1/3;align-self:center;color:#058bd1;font-size:25px}.bsg-location-links a strong{font-size:13px;line-height:1.4}.bsg-location-links a small{font-size:11px;color:#7790a6}.bsg-location-links .bsg-loc-arrow{grid-column:3;grid-row:1/3;color:#0589c9}
.bsg-wifi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.bsg-wifi-card{position:relative;padding:25px 22px;background:#f5faff;border:1px solid var(--bsg-border);border-radius:20px;overflow:hidden}.bsg-wifi-featured{border-color:#06a0d6;background:linear-gradient(160deg,#eafaff,#eef7ff)}.bsg-wifi-number{font-size:54px;line-height:1;letter-spacing:-4px;color:#9ac9e4;font-weight:900;display:block;margin-bottom:18px}.bsg-wifi-featured .bsg-wifi-number{color:#07a7df}.bsg-wifi-card h3{font-size:18px}.bsg-wifi-card p{font-size:14px;line-height:1.65}
.bsg-ipv6{display:flex;gap:20px;align-items:center;margin-top:16px;border-radius:20px;padding:24px;background:#0b305e;color:#fff}.bsg-ipv6-symbol{display:flex;align-items:center;justify-content:center;flex:none;width:79px;height:79px;border-radius:21px;background:#08a9ea;color:white;font-size:54px;line-height:1;font-weight:900}.bsg-ipv6-badge{display:inline-block;background:#155a8c;color:#adf7ff;font-size:11px;font-weight:800;padding:4px 10px;border-radius:9px;margin-bottom:8px}.bsseo-guide .bsg-ipv6 h3{color:#fff}.bsseo-guide .bsg-ipv6 p{color:#d0e5f9;margin:0;font-size:14px}
.bsg-backup-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}.bsg-backup-controls{padding:26px;background:#f6fbff}.bsg-backup-answer{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;padding:28px;text-align:center;background:linear-gradient(150deg,#024575,#0078c2);color:#fff}.bsg-backup-answer span{color:#c4efff;font-size:13px}.bsg-backup-answer strong{font-size:clamp(25px,3vw,40px);line-height:1.2;color:#fff;white-space:nowrap}.bsg-battery{font-size:25px;color:#56fae0;letter-spacing:3px}
.bsg-faq{display:grid;grid-template-columns:1fr 1fr;gap:11px}.bsg-faq details{background:#f8fbfe;border:1px solid var(--bsg-border);border-radius:15px;padding:0 17px;align-self:start}.bsg-faq summary{cursor:pointer;display:block;position:relative;padding:16px 30px 16px 0;font-size:15px;font-weight:800;line-height:1.42;color:#163b61;list-style:none}.bsg-faq summary::-webkit-details-marker{display:none}.bsg-faq summary:after{content:"+";position:absolute;right:1px;top:11px;font-weight:400;font-size:26px;color:#1a9ed5}.bsg-faq details[open] summary:after{content:"−"}.bsg-faq details p{font-size:14px;color:#456885;padding:0 0 12px;margin:0}
.bsg-final{border-radius:25px;background:linear-gradient(110deg,#061e38,#12518f);padding:clamp(26px,4vw,48px);margin-top:24px;color:white}.bsseo-guide .bsg-final h2{color:#fff}.bsseo-guide .bsg-final p{color:#d1e8f9;max-width:780px;font-size:16px}.bsg-final .bsg-hero-actions{margin:20px 0 0}
.bsg-related{margin:24px 0 9px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px}.bsg-related strong{color:#345678;margin-right:6px}.bsseo-guide .bsg-related a{display:inline-block;color:#077bb9;font-weight:700;background:#e8f6fd;padding:6px 11px;border-radius:20px}.bsseo-guide .bsg-related a:hover{background:#cbecfc}
.bsseo-guide .bsg-disclaimer{font-size:12px;color:#7690a4}
@media(max-width:860px){.bsg-hero{grid-template-columns:1fr}.bsg-hero-art{height:200px;opacity:.65;position:absolute;right:-30px;top:20px;width:260px;z-index:0;pointer-events:none}.bsg-hero-copy{max-width:560px}.bsg-hero-checklist{z-index:2}.bsg-orbit-one{width:150px;height:150px}.bsg-orbit-two{width:215px;height:215px}.bsg-network-core{width:110px;height:110px;left:calc(50% - 55px);top:calc(50% - 55px);font-size:45px}.bsg-network-node{width:50px;height:50px;font-size:20px}.bsg-network-node small{font-size:7px}.bsg-profiles{grid-template-columns:1fr 1fr}.bsg-wifi-grid{grid-template-columns:1fr}.bsg-wifi-card{padding:18px}.bsg-wifi-number{font-size:37px;margin-bottom:8px}.bsg-location-links{grid-template-columns:1fr}}
@media(max-width:610px){.bsseo-guide{font-size:15px;margin:10px auto 26px}.bsg-hero{padding:22px;border-radius:18px}.bsg-hero-art{opacity:.19}.bsseo-guide .bsg-hero h2{font-size:34px}.bsg-hero-checklist ol{grid-template-columns:1fr}.bsg-section{margin:30px 0 40px}.bsg-picker-grid,.bsg-backup-grid{grid-template-columns:1fr}.bsg-profiles{gap:8px}.bsseo-guide .bsg-profile{min-height:110px;padding:12px}.bsg-profile-icon{font-size:22px}.bsseo-guide .bsg-profile strong{font-size:13px}.bsseo-guide .bsg-profile small{font-size:11px}.bsg-tech-content{grid-template-columns:1fr}.bsg-tech-icon{width:60px;height:60px}.bsg-ipv6{align-items:flex-start;padding:17px;gap:12px}.bsg-ipv6-symbol{width:54px;height:54px;font-size:37px}.bsg-faq{grid-template-columns:1fr}.bsg-hero-actions .bsg-btn{flex:1 1 auto}.bsg-picker-inputs,.bsg-backup-controls,.bsg-backup-answer{padding:19px}.bsg-result-speed strong{font-size:56px}}
@media(prefers-reduced-motion:reduce){.bsseo-guide *{scroll-behavior:auto!important;transition:none!important}}

@media(max-width:610px){.bsseo-guide .bsg-hero-art{display:none!important}}