*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --tn-base: #16233a;
    --tn-tint: #3d5b86;
    --tn-flare: #f0a022;
    --tn-text: #141b26;
    --tn-soft: #5a6678;
    --tn-edge: #dfe4ec;
    --tn-sheet: #fafbfe;
    --tn-fill: #eef1f7;
    --tn-panel: #ffffff;
    --tn-dark: #0f1726;
    --tn-sans: "Segoe UI", Tahoma, Arial, sans-serif;
    --tn-head: Georgia, "Times New Roman", serif;
    --tn-r1: 8px;
    --tn-r2: 14px;
    --tn-r3: 22px;
    --tn-d1: 0 6px 18px rgba(20, 27, 38, .07);
    --tn-d2: 0 14px 38px rgba(20, 27, 38, .11);
    --tn-d3: 0 24px 58px rgba(20, 27, 38, .16);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--tn-head);
    background:
        radial-gradient(circle at 20% 0%, rgba(61, 91, 134, .12), transparent 34%),
        linear-gradient(180deg, #fafbfe 0%, #eef1f7 100%);
    color: var(--tn-text);
    line-height: 1.74;
    font-size: 16px;
}

a {
    color: var(--tn-base);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover { color: var(--tn-tint); }

.headRail_tn4 {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 18px 20px;
    background: rgba(250, 251, 254, .9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(22, 35, 58, .14);
}
.headRail_tn4__inner {
    max-width: 1160px;
    margin: 0 auto;
    text-align: center;
}
.headRail_tn4__brand {
    font-family: var(--tn-sans);
    font-size: 21px;
    letter-spacing: .22em;
    text-transform: uppercase;
    font-weight: 900;
    color: var(--tn-base);
}

.pageLead_tn4 {
    padding: 76px 20px 50px;
    text-align: center;
    color: var(--tn-text);
}
.pageLead_tn4__chip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 7px 16px;
    border-radius: var(--tn-r1);
    border: 1px solid rgba(22, 35, 58, .16);
    background: rgba(255, 255, 255, .78);
    box-shadow: var(--tn-d1);
    font-family: var(--tn-sans);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--tn-tint);
    margin-bottom: 18px;
}
.pageLead_tn4__head {
    max-width: 820px;
    margin: 0 auto 14px;
    font-size: clamp(30px, 5vw, 52px);
    line-height: 1.1;
    color: var(--tn-base);
}
.pageLead_tn4__note {
    max-width: 660px;
    margin: 0 auto;
    color: var(--tn-soft);
    font-size: 17px;
    line-height: 1.78;
}

.docHold_tn4 {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px 88px;
}
.docCard_tn4 {
    background: linear-gradient(180deg, rgba(255, 255, 255, .96) 0%, rgba(250, 251, 254, .98) 100%);
    border: 1px solid rgba(22, 35, 58, .11);
    border-radius: var(--tn-r3);
    box-shadow: var(--tn-d2);
    padding: 52px 56px;
}
@media (max-width: 740px) {
    .docCard_tn4 { padding: 30px 22px; border-radius: 16px; }
    .pageLead_tn4 { padding-top: 58px; }
}

.docCard_tn4 h2 {
    font-size: clamp(22px, 3vw, 31px);
    line-height: 1.2;
    color: var(--tn-base);
    margin: 34px 0 14px;
}
.docCard_tn4 h2:first-child { margin-top: 0; }
.docCard_tn4 h3 {
    font-size: 19px;
    line-height: 1.3;
    color: var(--tn-text);
    margin: 24px 0 10px;
}
.docCard_tn4 p {
    color: var(--tn-soft);
    margin-bottom: 15px;
}
.docCard_tn4 ul,
.docCard_tn4 ol {
    padding-left: 20px;
    margin: 0 0 16px;
    color: var(--tn-soft);
}
.docCard_tn4 li { margin-bottom: 7px; }
.docCard_tn4 strong { color: var(--tn-text); }

.claimGrid_tn4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 18px;
    margin: 26px 0;
}
.claimTile_tn4 {
    background: linear-gradient(180deg, rgba(255, 255, 255, .95), rgba(238, 241, 247, .98));
    border: 1px solid rgba(22, 35, 58, .1);
    border-radius: var(--tn-r2);
    padding: 24px 20px;
    box-shadow: var(--tn-d1);
}
.claimTile_tn4__head {
    font-family: var(--tn-sans);
    font-size: 15px;
    font-weight: 900;
    color: var(--tn-base);
    margin-bottom: 6px;
}
.claimTile_tn4__text {
    font-size: 14px;
    line-height: 1.68;
    color: var(--tn-soft);
}

.flagNote_tn4 {
    margin: 26px 0;
    padding: 22px 24px;
    border-radius: var(--tn-r2);
    border-left: 4px solid var(--tn-flare);
    background: linear-gradient(135deg, rgba(240, 160, 34, .16), rgba(255, 255, 255, .96));
    border-top: 1px solid rgba(240, 160, 34, .3);
    border-right: 1px solid rgba(240, 160, 34, .3);
    border-bottom: 1px solid rgba(240, 160, 34, .3);
    box-shadow: var(--tn-d1);
}
.flagNote_tn4 p { margin: 0; color: var(--tn-text); }

.factTable_tn4 {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0 26px;
    overflow: hidden;
    border-radius: var(--tn-r2);
    box-shadow: var(--tn-d1);
    background: var(--tn-panel);
}
.factTable_tn4 th {
    background: linear-gradient(135deg, var(--tn-base), var(--tn-tint));
    color: #fff;
    text-align: left;
    padding: 14px 16px;
    font-family: var(--tn-sans);
    font-size: 14px;
    letter-spacing: .02em;
}
.factTable_tn4 td {
    padding: 13px 16px;
    border-bottom: 1px solid rgba(22, 35, 58, .09);
    color: var(--tn-soft);
    background: rgba(255, 255, 255, .9);
}
.factTable_tn4 tr:nth-child(even) td { background: rgba(238, 241, 247, .82); }
.factTable_tn4 tr:last-child td { border-bottom: none; }

.routeList_tn4 {
    margin: 28px 0;
    display: grid;
    gap: 18px;
}
.routeItem_tn4 {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 16px;
    align-items: start;
    padding: 20px 20px 18px;
    background: rgba(255, 255, 255, .86);
    border: 1px solid rgba(22, 35, 58, .09);
    border-radius: var(--tn-r2);
    box-shadow: var(--tn-d1);
}
.routeItem_tn4__num {
    width: 50px;
    height: 50px;
    border-radius: var(--tn-r1);
    display: grid;
    place-items: center;
    font-family: var(--tn-sans);
    font-size: 18px;
    font-weight: 900;
    color: #fff;
    background: linear-gradient(135deg, var(--tn-base), var(--tn-tint));
}
.routeItem_tn4__head {
    font-family: var(--tn-sans);
    font-size: 15px;
    font-weight: 900;
    color: var(--tn-text);
    margin-bottom: 4px;
}
.routeItem_tn4__text {
    font-size: 15px;
    color: var(--tn-soft);
}

.footZone_tn4 {
    margin-top: 40px;
    background: #f5f5f7;
    color: #9a9a9a;
    padding: 20px 20px 16px;
    font-family: var(--tn-sans);
    text-align: center;
    border-top: 1px solid #e8e8e8;
}
.footZone_tn4__inner {
    max-width: 900px;
    margin: 0 auto;
}
.footZone_tn4__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 20px;
    margin-bottom: 10px;
}
.footZone_tn4__links a {
    color: #b0b0b0;
    font-size: 11px;
    text-decoration: none;
}
.footZone_tn4__links a:hover { color: #666; }
.footZone_tn4__note {
    font-size: 11px;
    color: #b8b8b8;
}