/* 主内容与卡片区域 */

/* 主内容区域样式 */
.main-content {
    max-width: var(--layout-wide-width);
    margin: var(--space-5) auto var(--space-6);
    padding: 0 var(--layout-padding);
}

.main-content [id] {
    scroll-margin-top: var(--scroll-offset);
}

/* 功能卡片样式 */
.features-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin: var(--space-2) auto var(--space-3);
    width: 100%;
}

.feature-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
        "header meta"
        "desc meta";
    align-items: start;
    padding: var(--space-2) var(--space-3);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--elevation-soft);
    cursor: pointer;
    transition: transform var(--motion-base) var(--motion-ease),
        box-shadow var(--motion-base) var(--motion-ease),
        background var(--motion-base) var(--motion-ease),
        border-color var(--motion-base) var(--motion-ease);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-border);
    min-height: 108px;
    text-align: left;
    row-gap: 6px;
    column-gap: 14px;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--elevation-card);
    background: var(--color-surface-muted);
    border-color: rgba(87, 81, 213, 0.18);
}

.feature-card:focus-visible {
    outline: 3px solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}

.feature-card.selected,
.feature-card.active {
    border-color: var(--color-brand-600);
    background-color: var(--color-brand-100);
    box-shadow: 0 10px 24px rgba(87, 81, 213, 0.16);
}

.feature-card.guide-flash {
    border-color: var(--color-brand-600) !important;
    background: var(--color-brand-100);
    box-shadow: 0 18px 42px var(--guide-flash-shadow), 0 0 0 10px rgba(111, 99, 255, 0.18);
    overflow: visible;
}

@keyframes guideFlowRegion {
    0% {
        box-shadow: 0 0 0 0 rgba(87, 81, 213, 0);
    }
    45% {
        box-shadow: 0 0 0 1px rgba(87, 81, 213, 0.2), 0 16px 26px rgba(87, 81, 213, 0.12);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(87, 81, 213, 0);
    }
}

@keyframes guideFlowCard {
    0% {
        box-shadow: 0 0 0 0 rgba(87, 81, 213, 0);
        transform: translateY(0);
    }
    45% {
        box-shadow: 0 16px 28px rgba(87, 81, 213, 0.16);
        transform: translateY(-2px);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(87, 81, 213, 0);
        transform: translateY(0);
    }
}

.guide-flow-region {
    border-radius: var(--radius-lg);
    box-shadow: 0 0 0 1px rgba(87, 81, 213, 0.18);
    animation: guideFlowRegion var(--motion-slow) var(--motion-ease) 1;
}

.feature-card.guide-flow {
    border-color: rgba(87, 81, 213, 0.36);
    box-shadow: 0 16px 28px rgba(87, 81, 213, 0.12);
    animation: guideFlowCard var(--motion-slow) var(--motion-ease) 1;
}

.feature-card.demo-showcase-highlight {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.6);
    transform: scale(1.02);
    animation: homepageDemoCardPulse 2s ease-in-out 3;
}

@keyframes homepageDemoCardPulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }

    100% {
        transform: scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .guide-flow-region,
    .feature-card.guide-flow,
    .feature-card.demo-showcase-highlight {
        animation: none;
        transform: none;
    }

    .feature-card {
        transition: none;
        transform: none;
    }
}

/* 移除复杂的装饰元素，保持简洁 */

.feature-icon {
    font-size: 18px;
    margin-bottom: 0;
    color: var(--color-brand-600);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-header {
    grid-area: header;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.feature-title {
    font-size: 17px;
    font-weight: 600;
    margin: 0;
    color: var(--color-text-primary);
    line-height: 1.18;
}

.feature-desc {
    grid-area: desc;
    color: var(--color-text-secondary);
    margin: 0;
    font-size: 12.5px;
    line-height: 1.4;
}

.feature-meta {
    grid-area: meta;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
    gap: 10px;
    min-width: max-content;
    align-self: stretch;
    padding-top: 2px;
}

.feature-price {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-brand-700);
    background-color: rgba(87, 81, 213, 0.12);
    padding: 3px 8px;
    border-radius: 999px;
    width: fit-content;
    white-space: nowrap;
    align-self: flex-end;
}

/* 矮屏桌面：压缩主功能区纵向占用，避免小分辨率需要滚动才能看到选项 */
@media (max-height: 860px) and (min-width: 769px) {
    .main-content {
        margin: var(--space-4) auto var(--space-5);
    }

    .features-container {
        gap: var(--space-2);
        margin: var(--space-2) auto var(--space-3);
    }

    .feature-card {
        min-height: 98px;
        padding: var(--space-2) var(--space-3);
        row-gap: 2px;
    }

    .feature-title {
        font-size: 16px;
    }

    .feature-desc {
        font-size: 12px;
    }

    .feature-meta {
        gap: 8px;
    }
}

.feature-check {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    border: 1.5px solid rgba(87, 81, 213, 0.25);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    background: transparent;
    transition: background 0.2s ease, border-color 0.2s ease;
    box-shadow: 0 2px 6px rgba(87, 81, 213, 0.08);
}

.feature-check i {
    font-size: 11px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.feature-card.active .feature-check,
.feature-card.selected .feature-check {
    background: var(--color-brand-600);
    border-color: var(--color-brand-600);
    box-shadow: 0 6px 14px rgba(87, 81, 213, 0.18);
}

.feature-card.active .feature-check i,
.feature-card.selected .feature-check i {
    opacity: 1;
}

/* 文本/文档处理容器 */
.processing-stack {
    width: 100%;
    max-width: var(--layout-wide-width);
    margin: var(--space-4) auto var(--space-7);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.processing-stack.is-doc-mode {
    gap: var(--space-3);
}

.processing-stack > .doc-processor-container {
    width: 100%;
    margin: 0;
}

/* 文本处理区域样式 */
.text-processing-area {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-7);
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    border: 0;
    transition: transform var(--motion-base) var(--motion-ease),
        opacity var(--motion-base) var(--motion-ease);
    width: 100%;
    margin-top: 0 !important;
    position: relative;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    --text-pane-height: clamp(240px, 32vh, 320px);
    --text-pane-padding: var(--space-4);
    --text-pane-font-size: var(--type-body);
    --text-pane-line-height: 1.6;
    --input-placeholder-font-size: 14px;
    --input-placeholder-line-height: 1.92;
    --input-placeholder-color: rgba(67, 70, 85, 0.4);
    --input-placeholder-letter-spacing: 0.008em;
    --text-panel-row-gap: var(--space-2);
    --text-panel-header-height: 44px;
    --text-panel-meta-height: 30px;
    --text-panel-actions-height: 44px;
    --text-panel-side-height: 34px;
}

@media (max-height: 900px) and (min-width: 769px) {
    .processing-stack {
        margin: var(--space-3) auto var(--space-5);
        gap: var(--space-3);
    }

    .text-processing-area {
        --text-pane-height: clamp(220px, 30vh, 282px);
        --text-pane-padding: var(--space-3);
        --text-panel-header-height: 44px;
        --text-panel-meta-height: 30px;
        --text-panel-actions-height: 44px;
        --text-panel-side-height: 34px;
        gap: var(--space-3);
    }
}

.processing-stack .text-processing-area {
    transition: opacity var(--motion-slow) var(--motion-ease),
        transform var(--motion-slow) var(--motion-ease);
}

.processing-stack.is-doc-mode .text-processing-area {
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
}

.section-title {
    font-size: var(--type-h4);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-1);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.section-title-main,
.section-title-side {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.section-title-side {
    justify-content: flex-end;
}

.section-title i,
.section-title .ui-icon {
    color: var(--color-brand-600);
    margin-right: var(--space-2);
}

.section-title-main i,
.section-title-main .ui-icon {
    margin-right: 0;
}

.history-notice {
    font-size: 0.8rem;
    font-weight: 400;
    color: #888;
    margin-left: 10px;
}

.panel-column {
    display: grid;
    grid-template-rows:
        minmax(var(--text-panel-header-height), auto)
        var(--text-pane-height)
        minmax(var(--text-panel-meta-height), auto)
        minmax(var(--text-panel-actions-height), auto);
    row-gap: var(--text-panel-row-gap);
    min-width: 0;
    align-items: stretch;
}

.panel-part {
    min-width: 0;
}

.text-processing-area .panel-part--header.section-title {
    margin: 0;
    min-height: var(--text-panel-header-height);
}

.text-processing-area .panel-part--header .section-title-main,
.text-processing-area .panel-part--header .section-title-side {
    min-height: var(--text-panel-side-height);
    min-width: 0;
}

.text-processing-area .panel-part--header .section-title-side {
    flex-shrink: 0;
}

.text-processing-area .panel-part--body {
    min-height: 0;
}

.text-processing-area .panel-part--body.input-text-shell,
.text-processing-area .panel-part--body.output-container {
    height: 100%;
}

.input-text-shell {
    position: relative;
    height: var(--text-pane-height);
    border: 1px solid rgba(87, 81, 213, 0.18);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    transition: border-color var(--motion-base) var(--motion-ease),
        box-shadow var(--motion-base) var(--motion-ease),
        background var(--motion-base) var(--motion-ease);
    box-shadow: 0 12px 24px rgba(70, 52, 142, 0.1);
    overflow: hidden;
}

.input-text-shell:focus-within {
    border-color: rgba(87, 81, 213, 0.4);
    box-shadow: 0 0 0 4px rgba(87, 81, 213, 0.14), 0 20px 40px rgba(70, 52, 142, 0.16);
}

/* 输入区真实内容 */
#input-text {
    display: block;
    height: 100%;
    width: 100%;
    padding: var(--text-pane-padding);
    border: none;
    border-radius: inherit;
    resize: none;
    font-family: inherit;
    font-size: var(--text-pane-font-size);
    line-height: var(--text-pane-line-height);
    background: transparent;
    color: var(--color-text-secondary);
    transition: color 0.3s ease;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
    overscroll-behavior: contain;
    text-align: left !important;
}

#input-text:focus {
    outline: none;
}

/* 输入区空态背景提示，不影响用户实际输入的正文样式 */
#input-text::placeholder {
    color: var(--input-placeholder-color);
    font-size: var(--input-placeholder-font-size);
    line-height: var(--input-placeholder-line-height);
    letter-spacing: var(--input-placeholder-letter-spacing);
    opacity: 1;
}


.text-count {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-2);
    font-size: 14px;
    color: #68778c;
    align-items: center;
}

.character-count {
    font-weight: 500;
    display: flex;
    align-items: center;
}

.character-count i {
    margin-right: 5px;
    color: #6366f1;
    font-size: 12px;
}

.billing-counter {
    font-weight: 600;
    color: #68778c;
    cursor: help;
    outline: none;
}

.billing-counter.is-invalid {
    color: #d64545;
}

#estimated-points {
    color: #5a87b5;
    display: flex;
    align-items: center;
}

#estimated-points i {
    margin-right: 5px;
    color: #6366f1;
    font-size: 14px;
}

#points-value {
    font-weight: 600;
    color: #6366f1;
}

.output-container {
    position: relative;
    height: var(--text-pane-height);
    padding: var(--text-pane-padding);
    border: 1px solid rgba(87, 81, 213, 0.18);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    overflow-y: auto;
    color: var(--color-text-secondary);
    font-size: var(--text-pane-font-size);
    line-height: var(--text-pane-line-height);
    box-shadow: 0 14px 28px rgba(70, 52, 142, 0.14), inset 0 1px 3px rgba(255, 255, 255, 0.65);
    transition: border-color var(--motion-base) var(--motion-ease),
        box-shadow var(--motion-base) var(--motion-ease),
        background var(--motion-base) var(--motion-ease),
        color var(--motion-base) var(--motion-ease);
    text-align: left !important;
    font-variant-numeric: normal;
}

.output-container.result-ready-sweep::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 3;
    border-radius: inherit;
    padding: 2px;
    background: conic-gradient(from 0deg, transparent 0deg 286deg, rgba(87, 81, 213, 0.05) 292deg, rgba(87, 81, 213, 0.72) 320deg, rgba(29, 151, 92, 0.68) 346deg, transparent 360deg);
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    mask-composite: exclude;
    pointer-events: none;
    animation: resultReadySweepRotate 820ms var(--motion-ease) both;
}

@keyframes resultReadySweepRotate {
    from {
        opacity: 0.18;
        transform: rotate(-28deg);
    }

    18% {
        opacity: 1;
    }

    to {
        opacity: 0;
        transform: rotate(332deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    #start-processing.processing-active::before,
    #start-processing.processing-pending::before,
    #start-processing.processing-finishing::before,
    .output-container.result-ready-sweep::after {
        animation: none;
        transition: none;
    }
}

#output-text,
.result-content,
.text-output {
    font-family: inherit;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.result-content {
    text-align: left !important;
    font-variant-numeric: normal;
}

#output-text sup,
.output-container sup,
.result-content sup {
    font-size: 0.8em;
    vertical-align: super;
    line-height: 0;
}

.reference-superscript {
    position: relative;
    top: -0.2em;
    font-size: 0.75em;
    line-height: 0;
    vertical-align: super;
    color: #333;
}

/* 处理结果空状态提示，不影响真实结果 .result-content 的排版 */
.output-placeholder {
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: #556070;
    font-size: 15px;
    line-height: 1.8;
}

.output-placeholder__body {
    width: 100%;
}

.output-placeholder__list li.output-selection-line {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 6px;
    white-space: nowrap;
    font-size: 14px;
}

.output-selection-label {
    color: #4b4f6c;
}

.output-selection-value {
    color: #2f3757;
    font-weight: 400;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.output-selection-separator {
    color: #8a93a6;
}

.output-placeholder__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #4b4f6c;
    margin-bottom: 4px;
}

.output-placeholder__label {
    color: #4b4f6c;
}

.output-placeholder__badge {
    padding: 4px 14px;
    border-radius: 12px;
    border: 1px solid rgba(87, 81, 213, 0.28);
    background: rgba(255, 255, 255, 0.92);
    color: #4c43a8;
    font-weight: 600;
}

.output-placeholder__subtitle {
    color: #787fa8;
    font-size: 14px;
}

.output-placeholder__list {
    margin: 0;
    padding: 0;
    list-style: none;
    color: #5b6475;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.output-placeholder__list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.output-placeholder__list li[hidden] {
    display: none !important;
}

.output-placeholder__list li::before {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(103, 112, 227, 0.15);
    border: 1px solid rgba(103, 112, 227, 0.35);
    margin-top: 6px;
    flex-shrink: 0;
}

@media (min-width: 769px) {
    .text-processing-area .panel-column--output .panel-part--header .privacy-note {
        max-width: min(60%, 340px);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

@media (max-width: 768px) {
    .text-processing-area {
        --input-placeholder-font-size: 13px;
        --input-placeholder-line-height: 1.84;
        --input-placeholder-color: rgba(67, 70, 85, 0.43);
        --input-placeholder-letter-spacing: 0.006em;
    }

    .output-placeholder__list li.output-selection-line {
        gap: 4px;
        font-size: 13px;
        overflow-x: auto;
    }

    .output-placeholder__list li.output-selection-line::-webkit-scrollbar {
        display: none;
    }
}

.output-container.showing-result {
    animation: fadeContentIn 0.6s ease-out forwards;
}

@keyframes fadeContentIn {
    0% {
        opacity: 0.7;
        transform: translateY(10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.output-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 14px;
    color: #68778c;
    align-items: center;
}

.output-character-count {
    font-weight: 500;
    display: flex;
    align-items: center;
}

.output-character-count i {
    margin-right: 5px;
    color: #6366f1;
    font-size: 12px;
}

#consumed-points {
    color: #5a87b5;
    display: flex;
    align-items: center;
}

#consumed-points i {
    margin-right: 5px;
    color: #6366f1;
    font-size: 14px;
}

.output-buttons {
    margin-top: auto;
    padding-top: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    min-height: 44px;
}

/* 功能分组样式 */
.button-group {
    display: flex;
    gap: 12px;
    align-items: center;
    height: 44px;
}

.button-group.tool-group {
    flex: 0 0 auto;
}

.button-group.primary-group {
    flex: 0 0 auto;
}

.button-group.export-group {
    flex: 0 0 auto;
}

/* 主按钮样式增强 */
.btn-main {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    min-width: 100px;
    height: 44px;
    box-sizing: border-box;
    line-height: 1;
}

/* 辅助按钮样式 */
.btn-secondary {
    background: #f8f9fa;
    color: #6c757d;
    border: 1px solid #e1e8ed;
    font-weight: 500;
    transition: background-color var(--motion-base) var(--motion-ease),
        border-color var(--motion-base) var(--motion-ease),
        color var(--motion-base) var(--motion-ease),
        box-shadow var(--motion-base) var(--motion-ease),
        transform var(--motion-base) var(--motion-ease);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    box-sizing: border-box;
    line-height: 1;
}

.btn-secondary:hover {
    background: #e9ecef;
    border-color: #d1d9e6;
    color: #495057;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 输入区按钮容器 */
.input-actions {
    margin-top: auto;
    padding-top: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    min-height: 44px;
}

.text-processing-area .panel-part--meta.text-count,
.text-processing-area .panel-part--meta.output-stats {
    margin-top: 0;
    min-height: var(--text-panel-meta-height);
    gap: var(--space-3);
}

.text-processing-area .panel-part--actions.input-actions,
.text-processing-area .panel-part--actions.output-buttons {
    margin-top: 0;
    padding-top: 0;
    min-height: var(--text-panel-actions-height);
}

/* 统一输入区按钮风格（设置/导入/清空） */
#open-process-settings,
#import-docx-btn,
#clear-btn {
    background: #f8f9fa;
    border: 1px solid #e1e8ed;
    color: #445366;
    border-radius: 10px;
}

#open-process-settings:hover,
#import-docx-btn:hover,
#clear-btn:hover {
    background: #eef2f7;
    border-color: #d5dde6;
}

#clear-btn i,
#clear-btn .ui-icon {
    font-size: 14px;
    margin-right: 6px;
}

#copy-btn {
    background-color: #6366f1;
    border-radius: 12px;
    padding: 12px 20px;
    transition: background-color var(--motion-base) var(--motion-ease),
        border-color var(--motion-base) var(--motion-ease),
        box-shadow var(--motion-base) var(--motion-ease),
        color var(--motion-base) var(--motion-ease),
        transform var(--motion-base) var(--motion-ease);
    position: relative;
    overflow: hidden;
    min-width: 100px;
    height: 44px;
    box-sizing: border-box;
    line-height: 1;
}

#copy-btn:hover:not(:disabled) {
    background-color: #4f46e5;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

#copy-btn:disabled {
    background-color: #d1d5db;
    color: #9ca3af;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#copy-btn:disabled i,
#copy-btn:disabled .ui-icon {
    opacity: 0.5;
}

.processing-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 60px;
    margin-top: 10px;
    width: 95%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

#start-processing {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 14px;
    background: var(--color-brand-600);
    border: 1px solid #5048ce;
    border-radius: 10px;
    box-shadow: 0 10px 16px rgba(87, 81, 213, 0.18);
    transition: transform var(--motion-base) var(--motion-ease),
        box-shadow var(--motion-base) var(--motion-ease),
        background var(--motion-base) var(--motion-ease);
    position: relative;
    overflow: hidden;
    color: white;
    letter-spacing: 0.3px;
    width: auto;
    min-width: 100px;
    height: 44px;
    box-sizing: border-box;
    line-height: 1;
}

#start-processing:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 22px rgba(87, 81, 213, 0.22);
    background: #544cd3;
}

#start-processing:active {
    transform: translateY(-1px);
    background: #4a42c6;
    box-shadow: 0 4px 10px rgba(87, 81, 213, 0.18);
}

#start-processing i,
#start-processing .ui-icon {
    font-size: 16px;
    margin-right: 6px;
    position: relative;
    transition: transform var(--motion-base) var(--motion-ease);
}

#start-processing:hover i,
#start-processing:hover .ui-icon {
    animation: none;
}

@keyframes pulse-icon {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }

    100% {
        transform: scale(1);
    }
}

#start-processing.processing-active,
#start-processing.processing-pending,
#start-processing.processing-finishing {
    --text-processing-button-progress: 0%;
    cursor: wait;
    opacity: 1;
}

#start-processing.processing-active::before,
#start-processing.processing-pending::before,
#start-processing.processing-finishing::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: var(--text-processing-button-progress, 0%);
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.1));
    pointer-events: none;
    transition: width var(--motion-base) var(--motion-ease);
    z-index: 0;
}

#start-processing.gate-blocked:not(.processing-active):not(.processing-pending):not(.processing-finishing) {
    cursor: not-allowed;
}

#start-processing .btn-progress-icon {
    width: 20px;
    height: 20px;
    margin-right: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

#start-processing .btn-progress-icon i,
#start-processing .btn-progress-icon .ui-icon {
    width: 16px;
    height: 16px;
    margin-right: 0;
    transition: opacity var(--motion-fast) var(--motion-ease),
        transform var(--motion-fast) var(--motion-ease);
}

#start-processing .btn-progress-label {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    letter-spacing: 0.02em;
    position: relative;
    z-index: 1;
}

#start-processing .btn-progress-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: auto;
    margin-left: 8px;
    padding: 0;
    background: transparent;
    color: rgba(255, 255, 255, 0.92);
    font-size: 15px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0;
    line-height: 1;
    text-shadow: 0 1px 1px rgba(37, 48, 78, 0.12);
    position: relative;
    z-index: 1;
}

#start-processing .btn-progress-step[hidden] {
    display: none;
}

#start-processing .btn-progress-icon::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: rgba(255, 255, 255, 0.95);
    opacity: 0;
    transform: scale(0.85);
}

#start-processing.processing-active .btn-progress-icon i,
#start-processing.processing-active .btn-progress-icon .ui-icon,
#start-processing.processing-pending .btn-progress-icon i,
#start-processing.processing-pending .btn-progress-icon .ui-icon,
#start-processing.processing-finishing .btn-progress-icon i,
#start-processing.processing-finishing .btn-progress-icon .ui-icon {
    opacity: 0;
}

#start-processing.processing-active .btn-progress-icon::after,
#start-processing.processing-pending .btn-progress-icon::after,
#start-processing.processing-finishing .btn-progress-icon::after {
    opacity: 1;
    animation: btn-processing-spin var(--motion-spin) linear infinite;
}

@keyframes btn-processing-spin {
    0% {
        transform: scale(0.85) rotate(0deg);
    }

    100% {
        transform: scale(0.85) rotate(360deg);
    }
}

/* One-shot start button nudge after meaningful input */
#start-processing.breathing-guide {
    position: relative;
    animation: subtle-breathing var(--motion-breath) var(--motion-ease) 1;
}

#start-processing.breathing-guide::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, rgba(87, 81, 213, 0.08) 0%, rgba(37, 43, 64, 0.08) 100%);
    border-radius: 12px;
    opacity: 0;
    animation: breathing-glow var(--motion-breath) var(--motion-ease);
    pointer-events: none;
    z-index: -1;
}

@keyframes breathing-glow {
    0% {
        opacity: 0;
        transform: scale(0.98);
    }

    50% {
        opacity: 0.22;
        transform: scale(1.005);
    }

    100% {
        opacity: 0;
        transform: scale(0.98);
    }
}

@keyframes subtle-breathing {
    0% {
        transform: scale(1);
        box-shadow: 0 12px 22px rgba(68, 76, 182, 0.16);
    }

    50% {
        transform: scale(1.008);
        box-shadow: 0 15px 26px rgba(68, 76, 182, 0.22);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 12px 22px rgba(68, 76, 182, 0.16);
    }
}

@media (prefers-reduced-motion: reduce) {
    #start-processing.breathing-guide,
    #start-processing.breathing-guide::before {
        animation: none !important;
    }
}

.processing-tip {
    margin-top: 14px;
    color: #ff7675;
    font-size: 14px;
    font-style: italic;
    display: flex;
    align-items: center;
}

.processing-tip i {
    margin-right: 5px;
    font-size: 14px;
}

/* 按钮波纹效果 */
.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple 0.8s cubic-bezier(0.33, 1, 0.68, 1);
    pointer-events: none;
}

/* 页脚样式已移至index.html内联样式中，避免与复杂布局冲突 */
/*
注意：页脚的完整样式（包括Grid三栏布局、响应式设计、SEO优化等）
现在统一在index.html的内联CSS中管理，确保样式一致性和优先级正确
*/

/* 后段信息模块：能力细节/价格与保障/FAQ/联系方式 */
.postflow-section {
    margin: var(--space-7) 0 var(--space-5);
    padding: var(--space-6);
    background: linear-gradient(180deg, rgba(255, 254, 251, 0.96) 0%, rgba(250, 247, 241, 0.98) 100%);
    border: 1px solid rgba(96, 81, 61, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 18px 34px rgba(28, 24, 20, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.postflow-section.guard-section {
    background: linear-gradient(180deg, rgba(255, 253, 250, 0.96) 0%, rgba(248, 245, 240, 0.98) 100%);
}

.section-head {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(87, 81, 213, 0.08);
    color: var(--color-brand-700);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-heading {
    margin: 0;
    font-size: var(--type-h2);
    color: var(--color-text-primary);
}

.section-desc {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.7;
    max-width: 760px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}

.detail-card,
.guard-card,
.contact-card {
    background: linear-gradient(180deg, rgba(255, 255, 253, 0.98) 0%, rgba(251, 248, 243, 0.98) 100%);
    border: 1px solid rgba(96, 81, 61, 0.08);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    box-shadow: 0 12px 22px rgba(28, 24, 20, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.84);
}

.detail-card h4,
.guard-card h4,
.contact-card h4 {
    margin: 0 0 var(--space-2);
    font-size: 16px;
    color: var(--color-text-primary);
}

.detail-card p,
.guard-card p,
.contact-card p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.guard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
}

.home-pricing-section {
    width: 100%;
    max-width: var(--layout-wide-width);
    margin: clamp(28px, 4vw, 52px) auto clamp(12px, 2.8vw, 30px);
    padding: clamp(24px, 3vw, 34px);
    border-radius: 28px;
    border: 1px solid rgba(96, 81, 61, 0.12);
    background:
        radial-gradient(circle at top right, rgba(128, 111, 255, 0.12), transparent 28%),
        linear-gradient(180deg, rgba(255, 252, 246, 0.98) 0%, rgba(248, 243, 235, 0.98) 100%);
    box-shadow: 0 22px 46px rgba(39, 31, 23, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.84);
}

.home-pricing-shell {
    display: grid;
    gap: 20px;
}

.home-pricing-intro {
    display: grid;
    gap: 8px;
}

.home-pricing-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid rgba(87, 81, 213, 0.16);
    background: rgba(87, 81, 213, 0.06);
    color: var(--color-brand-700);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.home-pricing-intro h3 {
    margin: 0;
    font-family: "Noto Serif SC", var(--font-heading);
    font-size: clamp(1.7rem, 2.4vw, 2.15rem);
    line-height: 1.14;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

.home-pricing-intro p {
    margin: 0;
    color: rgba(22, 22, 21, 0.72);
    font-size: 14px;
    line-height: 1.6;
}

.home-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.home-pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 0;
    padding: 16px;
    border-radius: 18px;
    border: 1px solid rgba(96, 81, 61, 0.1);
    background: linear-gradient(180deg, rgba(255, 255, 252, 0.98) 0%, rgba(250, 247, 241, 0.98) 100%);
    box-shadow: 0 14px 26px rgba(28, 24, 20, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.84);
    cursor: pointer;
    transition: transform var(--motion-base) var(--motion-ease),
        box-shadow var(--motion-base) var(--motion-ease),
        border-color var(--motion-base) var(--motion-ease);
}

.home-pricing-card::before {
    content: '';
    position: absolute;
    inset: 14px auto 14px 0;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(87, 81, 213, 0.82) 0%, rgba(148, 123, 88, 0.38) 100%);
    opacity: 0.46;
}

.home-pricing-card:hover {
    transform: translateY(-2px);
    border-color: rgba(87, 81, 213, 0.18);
    box-shadow: 0 18px 32px rgba(28, 24, 20, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.home-pricing-card:focus-within {
    outline: 3px solid rgba(87, 81, 213, 0.18);
    outline-offset: 3px;
}

.home-pricing-card.recommended {
    border-color: rgba(87, 81, 213, 0.24);
    background:
        radial-gradient(circle at top right, rgba(87, 81, 213, 0.1), transparent 42%),
        linear-gradient(180deg, rgba(255, 255, 252, 1) 0%, rgba(248, 246, 255, 0.98) 100%);
    box-shadow: 0 20px 36px rgba(54, 48, 146, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.94);
}

.home-pricing-card.is-selected {
    border-color: rgba(87, 81, 213, 0.42);
    background:
        radial-gradient(circle at top right, rgba(87, 81, 213, 0.14), transparent 42%),
        linear-gradient(180deg, rgba(255, 255, 252, 1) 0%, rgba(248, 246, 255, 0.99) 100%);
    box-shadow:
        0 20px 36px rgba(54, 48, 146, 0.12),
        0 0 0 3px rgba(87, 81, 213, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.94);
}

.home-pricing-card.is-selected .home-pricing-action {
    border-color: rgba(87, 81, 213, 0.44);
    background: rgba(87, 81, 213, 0.16);
    color: #312e81;
}

.home-pricing-card.is-selected::after {
    content: '';
    position: absolute;
    top: 14px;
    right: 14px;
    width: 18px;
    height: 18px;
    border-radius: 999px;
    background: var(--color-brand-600);
    box-shadow: 0 8px 18px rgba(87, 81, 213, 0.16);
}

.home-pricing-card.is-selected .home-pricing-card__head::after {
    content: '';
    position: absolute;
    top: 3px;
    right: 7px;
    width: 5px;
    height: 9px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(45deg);
    z-index: 1;
}

.home-pricing-card__head {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.home-pricing-card .package-name {
    margin: 0;
    font-size: 17px;
    line-height: 1.25;
    color: var(--color-text-primary);
}

.home-pricing-spotlight {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    padding: 0 10px;
    border-radius: 999px;
    background: rgba(87, 81, 213, 0.12);
    color: var(--color-brand-700);
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
}

.home-pricing-card .package-points {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.home-pricing-card .points-amount {
    color: rgba(39, 42, 82, 0.92);
    font-size: 14px;
    font-weight: 700;
}

.home-pricing-card .price-per-thousand,
.home-pricing-card .package-capacity {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 0 8px;
    border-radius: 999px;
    border: 1px solid rgba(96, 81, 61, 0.1);
    background: rgba(255, 252, 247, 0.92);
    color: rgba(22, 22, 21, 0.66);
    font-size: 11px;
    font-weight: 600;
}

.home-pricing-card .package-capacity {
    background: rgba(244, 240, 231, 0.92);
    color: rgba(78, 60, 36, 0.72);
}

.home-pricing-card .package-desc {
    margin: 0;
    color: rgba(22, 22, 21, 0.78);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.55;
}

.home-pricing-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.home-pricing-tag {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 0 8px;
    border-radius: 999px;
    border: 1px solid rgba(87, 81, 213, 0.12);
    background: rgba(87, 81, 213, 0.08);
    color: var(--color-brand-700);
    font-size: 11px;
    font-weight: 700;
}

.home-pricing-card__footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 10px;
    margin-top: auto;
}

.home-pricing-price {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.home-pricing-price .current-price {
    color: var(--color-text-primary);
    font-family: "Space Grotesk", var(--font-body);
    font-size: clamp(1.7rem, 2vw, 2.05rem);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.03em;
}

.home-pricing-price .original-price {
    color: rgba(22, 22, 21, 0.34);
    font-size: 13px;
    font-weight: 600;
    text-decoration: line-through;
}

.home-pricing-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(87, 81, 213, 0.18);
    background: rgba(87, 81, 213, 0.08);
    color: var(--color-brand-700);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    transition: transform var(--motion-base) var(--motion-ease),
        background var(--motion-base) var(--motion-ease),
        border-color var(--motion-base) var(--motion-ease),
        color var(--motion-base) var(--motion-ease);
}

.home-pricing-action:hover,
.home-pricing-action:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(87, 81, 213, 0.34);
    background: rgba(87, 81, 213, 0.14);
    color: #312e81;
}

.home-pricing-action[aria-busy="true"] {
    opacity: 0.72;
    pointer-events: none;
}

.guard-note {
    margin-top: var(--space-4);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: rgba(248, 245, 239, 0.82);
    border: 1px dashed rgba(117, 108, 159, 0.26);
    color: #57536a;
    font-size: 13px;
}

.guard-note a {
    color: var(--color-brand-700);
    font-weight: 600;
}

.faq-list {
    display: grid;
    gap: var(--space-3);
}

.faq-item {
    border: 1px solid rgba(96, 81, 61, 0.08);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    background: linear-gradient(180deg, rgba(255, 255, 253, 0.98) 0%, rgba(251, 248, 243, 0.98) 100%);
    box-shadow: 0 10px 18px rgba(28, 24, 20, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.82);
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.faq-item summary::after {
    content: '+';
    color: var(--color-brand-600);
    font-size: 18px;
}

.faq-item[open] summary::after {
    content: '–';
}

.faq-item p {
    margin: var(--space-2) 0 0;
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: var(--space-2);
    color: var(--color-brand-700);
    font-weight: 600;
    font-size: 14px;
}

.contact-link:hover {
    color: #312e81;
}

@media (max-width: 1024px) {
    .detail-grid,
    .guard-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .home-pricing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .home-pricing-section {
        padding: 20px 16px;
        border-radius: 24px;
    }

    .home-pricing-grid {
        grid-template-columns: 1fr;
    }

    .home-pricing-card {
        min-height: 0;
        padding: 14px;
    }

    .home-pricing-card__footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .home-pricing-action {
        width: 100%;
    }

    .postflow-section {
        padding: var(--space-5);
        margin: var(--space-6) 0 var(--space-4);
    }

    .section-heading {
        font-size: var(--type-h3);
    }
}