/* 传奇海报设计页 — 朱红印色 + 金属金，区别于建站/视频页 */
.nab-poster-page {
    max-width: 100%;
}

.nab-poster {
    --poster-bg: #090b10;
    --poster-panel: #12161f;
    --poster-ink: #e23b4a;
    --poster-ink-soft: rgba(226, 59, 74, 0.18);
    --poster-gold: #e8c96a;
    --poster-gold-bright: #f7e5a3;
    --poster-text: rgba(245, 236, 220, 0.94);
    --poster-muted: rgba(180, 190, 210, 0.68);
    color: var(--poster-text);
}

.nab-poster-hero {
    position: relative;
    margin: 0 0 28px;
    padding: 36px 28px 28px;
    border-radius: 14px;
    overflow: hidden;
    min-height: clamp(440px, 50vw, 520px);
    background:
        radial-gradient(ellipse 55% 70% at 85% 40%, rgba(226, 59, 74, 0.22), transparent 60%),
        radial-gradient(ellipse 40% 50% at 10% 80%, rgba(232, 201, 106, 0.1), transparent 55%),
        linear-gradient(160deg, #0c1018 0%, #151a24 55%, #0a0d14 100%);
    border: 1px solid rgba(226, 59, 74, 0.28);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}

.nab-poster-hero-shade {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background:
        linear-gradient(
            100deg,
            rgba(8, 10, 14, 0.88) 0%,
            rgba(8, 10, 14, 0.55) 36%,
            rgba(8, 10, 14, 0.08) 52%,
            transparent 68%
        );
}

.nab-poster-hero-glow {
    position: absolute;
    inset: -20% -10% auto auto;
    width: 55%;
    height: 80%;
    z-index: 1;
    background: radial-gradient(circle, rgba(226, 59, 74, 0.2), transparent 70%);
    pointer-events: none;
    filter: blur(20px);
    animation: nab-poster-hero-glow 7s ease-in-out infinite;
}

@keyframes nab-poster-hero-glow {
    0%, 100% {
        opacity: 0.85;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.06);
    }
}

.nab-poster-hero-body {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: minmax(280px, 1fr) 1fr;
    align-items: center;
    min-height: 400px;
}

.nab-poster-hero-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 480px;
    animation: nab-poster-hero-in 0.65s ease both;
}

/* Hero 叠层区：全宽承载，扇形中心落在文案右侧 */
.nab-poster-hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    z-index: 1;
    pointer-events: none;
    user-select: none;
}

.nab-poster-kicker {
    margin: 0 0 12px;
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--poster-gold);
    font-weight: 700;
}

.nab-poster-title {
    margin: 0 0 14px;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.18;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: #fff;
}

.nab-poster-title em {
    font-style: normal;
    background: linear-gradient(180deg, #f7e5a3 0%, #e8c96a 45%, #c19549 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nab-poster-lead {
    margin: 0 0 22px;
    max-width: 34em;
    font-size: 15px;
    line-height: 1.7;
    color: var(--poster-muted);
}

.nab-poster-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 22px;
}

.nab-poster-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none !important;
    cursor: pointer;
    border: 1px solid transparent;
    transition: filter 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.nab-poster-btn-primary {
    background: var(--nab-gold-gradient, linear-gradient(180deg, #f7e5a3 0%, #e8c96a 42%, #c19549 100%));
    color: #1a1408 !important;
    box-shadow: 0 6px 18px rgba(193, 149, 73, 0.28);
}

.nab-poster-btn-primary:hover {
    filter: brightness(1.06);
    color: #1a1408 !important;
}

.nab-poster-btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(232, 201, 106, 0.35);
    color: var(--poster-gold-bright) !important;
}

.nab-poster-btn-ghost:hover {
    background: rgba(232, 201, 106, 0.12);
    border-color: rgba(232, 201, 106, 0.65);
}

.nab-poster-consult {
    position: relative;
    display: inline-flex;
    z-index: 40;
}

.nab-poster-wx {
    display: block;
    position: absolute;
    left: 0;
    bottom: calc(100% + 10px);
    z-index: 20;
    width: 200px;
    padding: 14px;
    border-radius: 10px;
    background: #161b26;
    border: 1px solid rgba(232, 201, 106, 0.35);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
}

.nab-poster-wx::after {
    content: '';
    position: absolute;
    left: 28px;
    bottom: -6px;
    width: 10px;
    height: 10px;
    background: #161b26;
    border-right: 1px solid rgba(232, 201, 106, 0.35);
    border-bottom: 1px solid rgba(232, 201, 106, 0.35);
    transform: rotate(45deg);
}

.nab-poster-consult:hover .nab-poster-wx,
.nab-poster-consult:focus-within .nab-poster-wx,
.nab-poster-consult.is-open .nab-poster-wx {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
}

.nab-poster-wx img {
    display: block;
    width: 160px;
    height: 160px;
    margin: 0 auto 8px;
    border-radius: 6px;
    background: #fff;
}

.nab-poster-wx p {
    margin: 0;
    font-size: 12px;
    color: var(--poster-muted);
}

.nab-poster-badges {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px 16px;
    max-width: 360px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nab-poster-badges li {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 88px;
}

.nab-poster-badges b {
    font-size: 16px;
    color: var(--poster-gold-bright);
}

.nab-poster-badges span {
    font-size: 12px;
    color: var(--poster-muted);
}

/* 叠层海报：6 张对称扇形，贴右并向左展开 */
.nab-poster-stack {
    --stack-w: min(252px, 29vw);
    --stack-h: calc(var(--stack-w) * 1.78);
    --stack-spread: calc(var(--stack-w) * 0.78);
    --fan-outer: 1.08;
    --fan-mid: 0.62;
    --fan-inner: 0.28;
    --fan-inset-r: clamp(12px, 2vw, 28px);
    --fan-axis-y: 48%;
    --fan-lift: 18px;
    --fan-span: calc(var(--stack-w) + var(--stack-spread) * var(--fan-outer) * 2);
    position: absolute;
    right: var(--fan-inset-r);
    left: auto;
    top: var(--fan-axis-y);
    width: var(--fan-span);
    height: var(--stack-h);
    margin-top: calc(var(--stack-h) / -2 - var(--fan-lift));
    perspective: 960px;
    pointer-events: none;
    animation: nab-poster-fan-in 0.8s ease 0.1s both;
}

@keyframes nab-poster-stack-breathe {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-6px) rotate(-0.5deg);
    }
}

.nab-poster-stack::before,
.nab-poster-stack::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(0.5px);
    animation: nab-poster-ember 5.5s ease-in-out infinite;
}

.nab-poster-stack::before {
    top: 18%;
    right: 22%;
    width: 5px;
    height: 5px;
    background: rgba(247, 229, 163, 0.75);
    box-shadow: 0 0 12px rgba(232, 201, 106, 0.45);
    animation-delay: 0.4s;
}

.nab-poster-stack::after {
    top: 36%;
    right: 8%;
    width: 4px;
    height: 4px;
    background: rgba(226, 59, 74, 0.65);
    box-shadow: 0 0 10px rgba(226, 59, 74, 0.35);
    animation-delay: 1.6s;
}

@keyframes nab-poster-ember {
    0%, 100% {
        opacity: 0.25;
        transform: translateY(0) scale(0.85);
    }
    50% {
        opacity: 1;
        transform: translateY(-18px) scale(1.15);
    }
}

@keyframes nab-poster-fan-in {
    from {
        opacity: 0;
        filter: blur(6px);
    }
    to {
        opacity: 1;
        filter: none;
    }
}

.nab-poster-stack-card {
    position: absolute;
    left: 50%;
    bottom: 0;
    top: auto;
    width: var(--stack-w);
    aspect-ratio: 562 / 1000;
    margin: 0 0 0 calc(var(--stack-w) / -2);
    padding: 0;
    border: 1px solid rgba(232, 201, 106, 0.22);
    border-radius: 12px;
    overflow: hidden;
    background: #0e1118;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.48);
    transform-origin: 50% 100%;
    pointer-events: none;
}

.nab-poster-stack-inner {
    display: block;
    width: 100%;
    height: 100%;
    transform-origin: 50% 100%;
    will-change: transform;
    animation: nab-poster-inner-live var(--fan-dur, 4.2s) ease-in-out var(--fan-delay, 0s) infinite;
}

.nab-poster-stack-inner img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    pointer-events: none;
    will-change: transform;
    animation: nab-poster-img-drift 6s ease-in-out infinite alternate;
}

.nab-poster-stack-card:nth-child(1) .nab-poster-stack-inner {
    --fan-drift-y: -22px;
    --fan-sway: -2.5deg;
    --fan-dur: 4.6s;
}

.nab-poster-stack-card:nth-child(1) {
    --fan-delay: 0s;
    transform: rotate(-14deg) translateX(calc(var(--stack-spread) * var(--fan-outer) * -1)) scale(0.91);
    z-index: 1;
    opacity: 0.9;
}

.nab-poster-stack-card:nth-child(2) .nab-poster-stack-inner {
    --fan-drift-y: -26px;
    --fan-sway: -2deg;
    --fan-dur: 4.1s;
}

.nab-poster-stack-card:nth-child(2) {
    --fan-delay: 0.18s;
    transform: rotate(-8deg) translateX(calc(var(--stack-spread) * var(--fan-mid) * -1)) scale(0.95);
    z-index: 2;
    opacity: 0.94;
}

.nab-poster-stack-card:nth-child(3) .nab-poster-stack-inner {
    --fan-drift-y: -32px;
    --fan-sway: -1.2deg;
    --fan-dur: 3.8s;
}

.nab-poster-stack-card:nth-child(3) {
    --fan-delay: 0.36s;
    transform: rotate(-4deg) translateX(calc(var(--stack-spread) * var(--fan-inner) * -1)) scale(0.98);
    z-index: 4;
    opacity: 0.98;
}

.nab-poster-stack-card:nth-child(4) .nab-poster-stack-inner {
    --fan-drift-y: -32px;
    --fan-sway: 1.2deg;
    --fan-dur: 3.9s;
}

.nab-poster-stack-card:nth-child(4) {
    --fan-delay: 0.54s;
    transform: rotate(4deg) translateX(calc(var(--stack-spread) * var(--fan-inner))) scale(0.98);
    z-index: 4;
    opacity: 0.98;
}

.nab-poster-stack-card:nth-child(5) .nab-poster-stack-inner {
    --fan-drift-y: -26px;
    --fan-sway: 2deg;
    --fan-dur: 4.2s;
}

.nab-poster-stack-card:nth-child(5) {
    --fan-delay: 0.72s;
    transform: rotate(8deg) translateX(calc(var(--stack-spread) * var(--fan-mid))) scale(0.95);
    z-index: 2;
    opacity: 0.94;
}

.nab-poster-stack-card:nth-child(6) .nab-poster-stack-inner {
    --fan-drift-y: -22px;
    --fan-sway: 2.5deg;
    --fan-dur: 4.7s;
}

.nab-poster-stack-card:nth-child(6) {
    --fan-delay: 0.9s;
    transform: rotate(14deg) translateX(calc(var(--stack-spread) * var(--fan-outer))) scale(0.91);
    z-index: 1;
    opacity: 0.9;
}

.nab-poster-stack-card {
    animation: nab-poster-card-glow 5s ease-in-out calc(var(--fan-delay, 0s) + 0.4s) infinite;
}

.nab-poster-stack-card.is-front .nab-poster-stack-inner {
    --fan-drift-y: -38px;
    --fan-sway: 1.5deg;
    --fan-dur: 3.6s;
}

.nab-poster-stack-card.is-front {
    border-color: rgba(232, 201, 106, 0.38);
    z-index: 5;
    animation: nab-poster-front-glow 4.5s ease-in-out infinite;
}

.nab-poster-stack.is-js-motion,
.nab-poster-stack.is-js-motion .nab-poster-stack-inner,
.nab-poster-stack.is-js-motion .nab-poster-stack-inner img,
.nab-poster-stack.is-js-motion::before,
.nab-poster-stack.is-js-motion::after {
    animation: none !important;
}

.nab-poster-hero.is-js-motion .nab-poster-hero-glow {
    animation: none !important;
}

@keyframes nab-poster-inner-live {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(var(--fan-drift-y, -14px)) rotate(var(--fan-sway, 1deg));
    }
}

@keyframes nab-poster-card-glow {
    0%, 100% {
        box-shadow: 0 18px 42px rgba(0, 0, 0, 0.48);
    }
    50% {
        box-shadow: 0 24px 50px rgba(0, 0, 0, 0.56);
    }
}

@keyframes nab-poster-front-glow {
    0%, 100% {
        border-color: rgba(232, 201, 106, 0.32);
        box-shadow: 0 22px 48px rgba(0, 0, 0, 0.52);
    }
    50% {
        border-color: rgba(232, 201, 106, 0.58);
        box-shadow:
            0 28px 58px rgba(0, 0, 0, 0.58),
            0 0 28px rgba(232, 201, 106, 0.16);
    }
}

@keyframes nab-poster-img-drift {
    0% {
        transform: scale(1) translateY(0);
    }
    100% {
        transform: scale(1.08) translateY(-3%);
    }
}

.nab-poster-stack-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 58%, rgba(8, 10, 14, 0.38));
    pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
    .nab-poster-stack,
    .nab-poster-stack::before,
    .nab-poster-stack::after,
    .nab-poster-stack-inner,
    .nab-poster-stack-inner img,
    .nab-poster-stack-card,
    .nab-poster-hero-glow {
        animation: none !important;
    }
}

@keyframes nab-poster-hero-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.nab-poster-block {
    margin: 0 0 28px;
    padding: 28px 24px;
    border-radius: 14px;
    background: var(--poster-panel);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.nab-poster-head {
    margin: 0 0 22px;
    text-align: center;
}

.nab-poster-eyebrow {
    margin: 0 0 8px;
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--poster-ink);
    font-weight: 700;
}

.nab-poster-head h2 {
    margin: 0 0 8px;
    font-size: clamp(22px, 3vw, 30px);
    color: #fff;
}

.nab-poster-head p {
    margin: 0 auto;
    max-width: 36em;
    font-size: 14px;
    line-height: 1.65;
    color: var(--poster-muted);
}

.nab-poster-types {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.nab-poster-type {
    padding: 20px 16px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.nab-poster-type:hover {
    border-color: rgba(226, 59, 74, 0.45);
    background: var(--poster-ink-soft);
    transform: translateY(-2px);
}

.nab-poster-type-no {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--poster-gold);
}

.nab-poster-type h3 {
    margin: 0 0 8px;
    font-size: 16px;
    color: #fff;
}

.nab-poster-type p {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--poster-muted);
}

.nab-poster-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: poster-step;
}

.nab-poster-steps li {
    position: relative;
    padding: 20px 16px 18px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    counter-increment: poster-step;
}

.nab-poster-steps li::before {
    content: counter(poster-step, decimal-leading-zero);
    display: block;
    margin-bottom: 10px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--poster-ink);
}

.nab-poster-steps strong {
    display: block;
    margin-bottom: 6px;
    font-size: 15px;
    color: #fff;
}

.nab-poster-steps span {
    font-size: 13px;
    line-height: 1.55;
    color: var(--poster-muted);
}

.nab-poster-fit-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nab-poster-fit-list li {
    position: relative;
    padding: 14px 16px 14px 36px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 14px;
    line-height: 1.5;
}

.nab-poster-fit-list li::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 1.15em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--poster-gold);
    box-shadow: 0 0 0 3px var(--poster-ink-soft);
}

.nab-poster-contact {
    background:
        radial-gradient(ellipse 60% 80% at 80% 20%, rgba(226, 59, 74, 0.16), transparent 55%),
        var(--poster-panel);
}

.nab-poster-contact-panel {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.nab-poster-contact-panel h2 {
    margin: 0 0 10px;
    font-size: clamp(22px, 3vw, 30px);
    color: #fff;
}

.nab-poster-contact-panel .nab-poster-lead {
    margin-left: auto;
    margin-right: auto;
}

.nab-poster-contact-panel .nab-poster-cta {
    justify-content: center;
    margin-bottom: 0;
}

[data-poster-reveal] {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-poster-reveal].is-in {
    opacity: 1;
    transform: none;
}

@media (max-width: 1100px) {
    .nab-poster-types,
    .nab-poster-steps {
        grid-template-columns: 1fr 1fr;
    }

    .nab-poster-stack {
        --stack-w: min(215px, 27vw);
        --stack-spread: calc(var(--stack-w) * 0.72);
        --fan-inset-r: clamp(10px, 1.8vw, 22px);
        --fan-axis-y: 47%;
        --fan-lift: 14px;
    }
}

@media (max-width: 860px) {
    .nab-poster-hero {
        padding: 0 20px 24px;
        min-height: 0;
    }

    .nab-poster-hero-bg {
        position: relative;
        inset: auto;
        height: 380px;
        margin: 0 -20px 8px;
    }

    .nab-poster-stack {
        --stack-w: min(190px, 35vw);
        --stack-spread: calc(var(--stack-w) * 0.74);
        --fan-outer: 1.05;
        --fan-mid: 0.6;
        --fan-inner: 0.26;
        --fan-inset-r: 8px;
        --fan-axis-y: 46%;
        --fan-lift: 12px;
        position: absolute;
        right: var(--fan-inset-r);
        left: auto;
        top: var(--fan-axis-y);
        margin-top: calc(var(--stack-h) / -2 - var(--fan-lift));
    }

    .nab-poster-hero-body {
        grid-template-columns: 1fr;
        min-height: 0;
    }

    .nab-poster-hero-copy {
        max-width: none;
        padding-top: 8px;
    }

    .nab-poster-hero-shade {
        background:
            linear-gradient(180deg, rgba(8, 10, 14, 0.05) 0%, rgba(8, 10, 14, 0.72) 42%, rgba(8, 10, 14, 0.88) 100%);
    }
}

@media (max-width: 640px) {
    .nab-poster-block {
        padding: 20px 16px;
    }

    .nab-poster-types,
    .nab-poster-steps,
    .nab-poster-fit-list {
        grid-template-columns: 1fr;
    }

    .nab-poster-hero {
        min-height: 240px;
    }

    .nab-poster-stack {
        --stack-w: min(160px, 38vw);
        --stack-spread: calc(var(--stack-w) * 0.7);
        --fan-inset-r: 6px;
        --fan-axis-y: 45%;
        --fan-lift: 10px;
    }
}